.gitignore

@@ -1,35 +1,15 @@
-# ---> Android
-# Gradle files
-.gradle/
-build/
-
-# Local configuration file (sdk path, etc)
-local.properties
-
-# Log/OS Files
-*.log
-
-# Android Studio generated files and folders
-captures/
-.externalNativeBuild/
-.cxx/
-*.apk
-output.json
-
-# IntelliJ
 *.iml
-.idea/
+.gradle
-misc.xml
+/local.properties
-deploymentTargetDropDown.xml
+/.idea/caches
-render.experimental.xml
+/.idea/libraries
-
+/.idea/modules.xml
-# Keystore files
+/.idea/workspace.xml
-*.jks
+/.idea/navEditor.xml
-*.keystore
+/.idea/assetWizardSettings.xml
-
+.DS_Store
-# Google Services (e.g. APIs or Firebase)
+/build
-google-services.json
+/captures
-
+.externalNativeBuild
-# Android Profiling
+.cxx
-*.hprof
+local.properties
-

.idea/.gitignore

@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml

.idea/compiler.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="17" />
+  </component>
+</project>

.idea/gradle.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="testRunner" value="GRADLE" />
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="jbr-17" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>

.idea/inspectionProfiles/Project_Default.xml

@@ -0,0 +1,41 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="PreviewAnnotationInFunctionWithParameters" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewApiLevelMustBeValid" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewFontScaleMustBeGreaterThanZero" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewMultipleParameterProviders" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewPickerAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+  </profile>
+</component>

.idea/kotlinc.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="KotlinJpsPluginSettings">
+    <option name="version" value="1.8.10" />
+  </component>
+</project>

.idea/misc.xml

@@ -0,0 +1,9 @@
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

README.md

@@ -1,2 +0,0 @@
-# Minhasapov_PMD
-

app/.gitignore

@@ -0,0 +1 @@
+/build

app/build.gradle.kts

@@ -0,0 +1,98 @@
+plugins {
+    id("com.android.application")
+    id("org.jetbrains.kotlin.android")
+    id ("kotlin-kapt")
+    id("com.google.dagger.hilt.android")
+    id("org.jetbrains.kotlin.plugin.serialization")
+}
+
+android {
+    namespace = "com.example.mobileapp"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "com.example.mobileapp"
+        minSdk = 24
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary = true
+        }
+        kapt {
+            arguments {arg("room.schemaLocation", "$projectDir/schemas")}
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+    buildFeatures {
+        compose = true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.4.3"
+    }
+    packaging {
+        resources {
+            excludes += "/META-INF/{AL2.0,LGPL2.1}"
+        }
+    }
+}
+
+dependencies {
+
+    implementation("androidx.core:core-ktx:1.9.0")
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.2")
+    implementation("androidx.activity:activity-compose:1.8.0")
+    implementation(platform("androidx.compose:compose-bom:2023.03.00"))
+    implementation("androidx.compose.ui:ui")
+    implementation("androidx.compose.ui:ui-graphics")
+    implementation("androidx.compose.ui:ui-tooling-preview")
+    implementation("androidx.compose.material3:material3")
+    testImplementation("junit:junit:4.13.2")
+    androidTestImplementation("androidx.test.ext:junit:1.1.5")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+    androidTestImplementation(platform("androidx.compose:compose-bom:2023.03.00"))
+    androidTestImplementation("androidx.compose.ui:ui-test-junit4")
+    debugImplementation("androidx.compose.ui:ui-tooling")
+    debugImplementation("androidx.compose.ui:ui-test-manifest")
+
+    implementation("androidx.navigation:navigation-compose:2.7.3")
+
+    implementation ("androidx.room:room-runtime:2.5.0") // Библиотека "Room"
+    kapt ("androidx.room:room-compiler:2.5.0") // Кодогенератор
+    implementation ("androidx.room:room-ktx:2.5.0")
+
+    // lab4
+    implementation ("com.google.dagger:hilt-android:2.44")
+    kapt ("com.google.dagger:hilt-android-compiler:2.44")
+    implementation("androidx.hilt:hilt-navigation-compose:1.0.0")
+    implementation ("androidx.compose.runtime:runtime-livedata:1.0.0-beta01")
+    implementation ("androidx.datastore:datastore-preferences:1.0.0")
+
+    implementation ("androidx.paging:paging-runtime-ktx:3.2.1")
+    implementation ("androidx.paging:paging-compose:3.2.1")
+    implementation("androidx.room:room-paging:2.5.0")
+
+    // lab5
+    implementation("com.squareup.retrofit2:retrofit:2.9.0")
+    implementation("com.squareup.okhttp3:logging-interceptor:4.11.0")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.5.1")
+    implementation("com.jakewharton.retrofit:retrofit2-kotlinx-serialization-converter:1.0.0")
+}

app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/com/example/mobileapp/ExampleInstrumentedTest.kt

@@ -0,0 +1,24 @@
+package com.example.mobileapp
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.example.mobileapp", appContext.packageName)
+    }
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+
+    <application
+        android:name=".MobileApp"
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.MobileApp"
+        android:usesCleartextTraffic="true"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.MobileApp">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/example/mobileapp/AppModule.kt

@@ -0,0 +1,95 @@
+package com.example.mobileapp
+
+import android.app.Application
+import androidx.room.*
+import com.example.mobileapp.data.api.MyServerService
+import com.example.mobileapp.data.api.repositories.RestCategoryRepository
+import com.example.mobileapp.data.api.repositories.RestOrderProductRepository
+import com.example.mobileapp.data.api.repositories.RestOrderRepository
+import com.example.mobileapp.data.api.repositories.RestProductRepository
+import com.example.mobileapp.data.api.repositories.RestRoleRepository
+import com.example.mobileapp.data.api.repositories.RestStatusRepository
+import com.example.mobileapp.data.api.repositories.RestUserRepository
+import com.example.mobileapp.data.db.AppDatabase
+import com.example.mobileapp.data.repositories.CategoryRepository
+import com.example.mobileapp.data.repositories.OrderProductRepository
+import com.example.mobileapp.data.repositories.OrderRepository
+import com.example.mobileapp.data.repositories.ProductRepository
+import com.example.mobileapp.data.repositories.RoleRepository
+import com.example.mobileapp.data.repositories.StatusRepository
+import com.example.mobileapp.data.repositories.UserRepository
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object AppModule {
+    @Provides
+    @Singleton
+    fun provideDatabase(app: Application) : AppDatabase {
+        return Room.databaseBuilder(
+            app,
+            AppDatabase::class.java,
+            AppDatabase.DB_NAME
+        )
+            .fallbackToDestructiveMigration()
+            .build()
+    }
+
+    @Provides
+    @Singleton
+    fun provideServerService() : MyServerService {
+        return MyServerService.getInstance()
+    }
+
+    @Provides
+    @Singleton
+    fun provideRestUserRepository(service: MyServerService) : RestUserRepository {
+        return RestUserRepository(service)
+    }
+
+    @Provides
+    @Singleton
+    fun provideCategoryRepository(db: AppDatabase, restCategoryRepository: RestCategoryRepository) : CategoryRepository {
+        return CategoryRepository(db.categoryDao(), db, restCategoryRepository)
+    }
+
+    @Provides
+    @Singleton
+    fun provideOrderProductRepository(db: AppDatabase, restOrderProductRepository: RestOrderProductRepository) : OrderProductRepository {
+        return OrderProductRepository(db.orderProductDao(), restOrderProductRepository)
+    }
+
+    @Provides
+    @Singleton
+    fun provideOrderRepository(db: AppDatabase, restOrderRepository: RestOrderRepository) : OrderRepository {
+        return OrderRepository(db, db.orderDao(), db.orderProductDao(), restOrderRepository)
+    }
+
+    @Provides
+    @Singleton
+    fun provideProductRepository(db: AppDatabase, restProductRepository: RestProductRepository) : ProductRepository {
+        return ProductRepository(db.productDao(), db.orderProductDao(), restProductRepository)
+    }
+
+    @Provides
+    @Singleton
+    fun provideRoleRepository(db: AppDatabase, restRoleRepository: RestRoleRepository) : RoleRepository {
+        return RoleRepository(db.roleDao(), restRoleRepository)
+    }
+
+    @Provides
+    @Singleton
+    fun provideStatusRepository(db: AppDatabase, restStatusRepository: RestStatusRepository) : StatusRepository {
+        return StatusRepository(db.statusDao(), restStatusRepository)
+    }
+
+    @Provides
+    @Singleton
+    fun provideUserRepository(db: AppDatabase, restUserRepository: RestUserRepository) : UserRepository {
+        return UserRepository(db.userDao(), db, restUserRepository)
+    }
+}

app/src/main/java/com/example/mobileapp/MainActivity.kt

@@ -0,0 +1,18 @@
+package com.example.mobileapp
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import com.example.mobileapp.ui.navigation.AppNavigation
+import dagger.hilt.android.AndroidEntryPoint
+
+@AndroidEntryPoint
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContent {
+            AppNavigation()
+        }
+    }
+}
+

app/src/main/java/com/example/mobileapp/MobileApp.kt

@@ -0,0 +1,11 @@
+package com.example.mobileapp
+
+import android.app.Application
+import dagger.hilt.android.HiltAndroidApp
+
+@HiltAndroidApp
+class MobileApp : Application() {
+    override fun onCreate() {
+        super.onCreate()
+    }
+}

app/src/main/java/com/example/mobileapp/data/api/MyServerService.kt

@@ -0,0 +1,199 @@
+package com.example.mobileapp.data.api
+
+import com.example.mobileapp.data.api.models.CategoryListResponse
+import com.example.mobileapp.data.api.models.CategoryRemote
+import com.example.mobileapp.data.api.models.OrderListResponse
+import com.example.mobileapp.data.api.models.OrderProductRemote
+import com.example.mobileapp.data.api.models.OrderRemote
+import com.example.mobileapp.data.api.models.ProductRemote
+import com.example.mobileapp.data.api.models.RoleRemote
+import com.example.mobileapp.data.api.models.StatusRemote
+import com.example.mobileapp.data.api.models.TokenRemote
+import com.example.mobileapp.data.api.models.UserListResponse
+import com.example.mobileapp.data.api.models.UserRemote
+import com.jakewharton.retrofit2.converter.kotlinx.serialization.asConverterFactory
+import kotlinx.serialization.json.Json
+import okhttp3.MediaType.Companion.toMediaType
+import okhttp3.logging.HttpLoggingInterceptor
+import retrofit2.Retrofit
+import retrofit2.http.Body
+import retrofit2.http.DELETE
+import retrofit2.http.GET
+import retrofit2.http.Header
+import retrofit2.http.POST
+import retrofit2.http.PUT
+import retrofit2.http.Path
+
+interface MyServerService {
+    // User
+    @POST("register")
+    suspend fun createUser(
+        @Body user: UserRemote,
+    ): UserRemote
+
+    @POST("auth")
+    suspend fun getToken(
+        @Body user: UserRemote
+    ) : TokenRemote
+
+    @POST("check/login")
+    suspend fun checkLogin(
+        @Body user: UserRemote
+    ) : UserRemote?
+
+    @GET("users/{after}")
+    suspend fun getUsersList(
+        @Path("after") after: Int,
+        @Header("Authorization") token: String
+    ) : UserListResponse
+
+    @PUT("user/update")
+    suspend fun updateUser(
+        @Body user: UserRemote,
+        @Header("Authorization") token: String
+    ): UserRemote
+
+    @DELETE("user/delete/{id}")
+    suspend fun deleteUser(
+        @Path("id") id: Int,
+        @Header("Authorization") token: String
+    )
+
+    // Product
+    @POST("product")
+    suspend fun insertProduct(
+        @Body product: ProductRemote,
+        @Header("Authorization") token: String
+    ) : ProductRemote
+
+    @PUT("product")
+    suspend fun updateProduct(
+        @Body product: ProductRemote,
+        @Header("Authorization") token: String
+    ): ProductRemote
+
+    @DELETE("product/{id}")
+    suspend fun deleteProduct(
+        @Path("id") id: Int,
+        @Header("Authorization") token: String
+    )
+
+    @GET("product/{id}")
+    suspend fun getProductById(
+        @Path("id") id: Int,
+        @Header("Authorization") token: String
+    ): ProductRemote
+
+    @GET("products/{category_id}")
+    suspend fun getProductsByCategoryId(
+        @Path("category_id") category_id: Int,
+        @Header("Authorization") token: String
+    ): List<ProductRemote>
+
+    // Role
+    @POST("role")
+    suspend fun getRole(
+        @Body role: RoleRemote,
+    ) : RoleRemote?
+
+    @GET("roles")
+    suspend fun getRoles() : List<RoleRemote>
+
+    // Category
+    @POST("category")
+    suspend fun getCategory(
+        @Body category: CategoryRemote,
+    ) : CategoryRemote?
+
+    @GET("categories")
+    suspend fun getCategories() : List<CategoryRemote>
+
+    @GET("categories/{after}")
+    suspend fun getCategoriesList(
+        @Path("after") after: Int,
+        @Header("Authorization") token: String
+    ) : CategoryListResponse
+
+    // Status
+    @POST("status")
+    suspend fun getStatus(
+        @Body status: StatusRemote,
+    ) : StatusRemote?
+
+    // Order
+    @GET("order/cart")
+    suspend fun getCartByUser(
+        @Header("Authorization") token: String
+    ) : OrderRemote
+
+    @GET("order/to_worker/{after}")
+    suspend fun getOrdersToWorkList(
+        @Path("after") after: Int,
+        @Header("Authorization") token: String
+    ) : OrderListResponse
+
+    @GET("order/to_user/{after}")
+    suspend fun getOrdersByUserList(
+        @Path("after") after: Int,
+        @Header("Authorization") token: String
+    ) : OrderListResponse
+
+    @POST("order")
+    suspend fun insertOrder(
+        @Body order: OrderRemote,
+        @Header("Authorization") token: String
+    ) : OrderRemote?
+
+    @PUT("order")
+    suspend fun updateOrder(
+        @Body order: OrderRemote,
+        @Header("Authorization") token: String
+    ) : OrderRemote?
+
+    @DELETE("order/{id}")
+    suspend fun deleteOrder(
+        @Path("id") id: Int,
+        @Header("Authorization") token: String
+    )
+
+    // Order_Product
+    @POST("order/product")
+    suspend fun insertOrderProduct(
+        @Body orderProduct: OrderProductRemote,
+        @Header("Authorization") token: String
+    )
+
+    @PUT("order/product")
+    suspend fun updateOrderProduct(
+        @Body orderProduct: OrderProductRemote,
+        @Header("Authorization") token: String
+    )
+
+    @POST("order/product/delete")
+    suspend fun deleteOrderProduct(
+        @Body orderProduct: OrderProductRemote,
+        @Header("Authorization") token: String
+    )
+
+    companion object {
+        private const val BASE_URL ="http://10.0.2.2:8000/api/"
+
+        @Volatile
+        private var INSTANCE: MyServerService? = null
+
+        fun getInstance(): MyServerService {
+            return INSTANCE ?: synchronized(this) {
+                val logger = HttpLoggingInterceptor()
+                logger.level = HttpLoggingInterceptor.Level.BASIC
+                val client = UnsafeOkHttpClient.getUnsafeOkHttpClient()
+                return Retrofit.Builder()
+                    .baseUrl(BASE_URL)
+                    .client(client)
+                    .addConverterFactory(Json.asConverterFactory("application/json".toMediaType()))
+                    .build()
+                    .create(MyServerService::class.java)
+                    .also { INSTANCE = it }
+            }
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/data/api/UnsafeOkHttpClient.java

@@ -0,0 +1,55 @@
+package com.example.mobileapp.data.api;
+
+import java.security.cert.CertificateException;
+import javax.net.ssl.HostnameVerifier;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLSession;
+import javax.net.ssl.SSLSocketFactory;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
+import okhttp3.OkHttpClient;
+
+public class UnsafeOkHttpClient {
+    public static OkHttpClient getUnsafeOkHttpClient() {
+        try {
+            // Create a trust manager that does not validate certificate chains
+            final TrustManager[] trustAllCerts = new TrustManager[] {
+                    new X509TrustManager() {
+                        @Override
+                        public void checkClientTrusted(java.security.cert.X509Certificate[] chain, String authType) throws CertificateException {
+                        }
+
+                        @Override
+                        public void checkServerTrusted(java.security.cert.X509Certificate[] chain, String authType) throws CertificateException {
+                        }
+
+                        @Override
+                        public java.security.cert.X509Certificate[] getAcceptedIssuers() {
+                            return new java.security.cert.X509Certificate[]{};
+                        }
+                    }
+            };
+
+            // Install the all-trusting trust manager
+            final SSLContext sslContext = SSLContext.getInstance("SSL");
+            sslContext.init(null, trustAllCerts, new java.security.SecureRandom());
+
+            // Create an ssl socket factory with our all-trusting manager
+            final SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
+
+            OkHttpClient.Builder builder = new OkHttpClient.Builder();
+            builder.sslSocketFactory(sslSocketFactory, (X509TrustManager)trustAllCerts[0]);
+            builder.hostnameVerifier(new HostnameVerifier() {
+                @Override
+                public boolean verify(String hostname, SSLSession session) {
+                    return true;
+                }
+            });
+
+            OkHttpClient okHttpClient = builder.build();
+            return okHttpClient;
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/data/api/mediators/CategoryRemoteMediator.kt

@@ -0,0 +1,60 @@
+package com.example.mobileapp.data.api.mediators
+
+import androidx.paging.ExperimentalPagingApi
+import androidx.paging.LoadType
+import androidx.paging.PagingState
+import androidx.paging.RemoteMediator
+import androidx.room.withTransaction
+import com.example.mobileapp.data.api.MyServerService
+import com.example.mobileapp.data.api.models.CategoryListResponse
+import com.example.mobileapp.data.api.models.toCategory
+import com.example.mobileapp.data.db.AppDatabase
+import com.example.mobileapp.data.db.models.Category
+import java.io.IOException
+
+@OptIn(ExperimentalPagingApi::class)
+class CategoryRemoteMediator (
+    private val database: AppDatabase,
+    private val serverService: MyServerService,
+    private val token: String
+) : RemoteMediator<Int, Category>(){
+
+    private val categoryDao = database.categoryDao()
+
+    override suspend fun load(
+        loadType: LoadType,
+        state: PagingState<Int, Category>
+    ): MediatorResult {
+        return try {
+            var loadKey = when (loadType) {
+                LoadType.REFRESH -> null
+                LoadType.PREPEND -> return MediatorResult.Success(endOfPaginationReached = true)
+                LoadType.APPEND -> {
+                    val lastItem = state.lastItemOrNull()
+                        ?: return MediatorResult.Success(endOfPaginationReached = true)
+                    lastItem.id
+                }
+            }
+
+            if (loadKey == null) {
+                loadKey = 0
+            }
+            val response: CategoryListResponse = serverService.getCategoriesList(after = loadKey, token = token)
+
+            database.withTransaction {
+
+                if (loadType == LoadType.REFRESH) {
+                    categoryDao.deleteAll()
+                }
+
+                for (category in response.categories) {
+                    categoryDao.insert(category.toCategory())
+                }
+            }
+
+            MediatorResult.Success(endOfPaginationReached = response.nextKey == -1)
+        } catch (e: IOException) {
+            MediatorResult.Error(e)
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/data/api/mediators/OrderRemoteMediator.kt

@@ -0,0 +1,63 @@
+package com.example.mobileapp.data.api.mediators
+
+import androidx.paging.ExperimentalPagingApi
+import androidx.paging.LoadType
+import androidx.paging.PagingState
+import androidx.paging.RemoteMediator
+import androidx.room.withTransaction
+import com.example.mobileapp.data.api.MyServerService
+import com.example.mobileapp.data.api.models.OrderListResponse
+import com.example.mobileapp.data.api.models.toOrder
+import com.example.mobileapp.data.db.AppDatabase
+import com.example.mobileapp.data.db.models.OrderWithProducts
+import java.io.IOException
+
+@OptIn(ExperimentalPagingApi::class)
+class OrderRemoteMediator (
+    private val database: AppDatabase,
+    private val serverService: MyServerService,
+    private val query: String,
+    private val token: String
+) : RemoteMediator<Int, OrderWithProducts>(){
+
+    private val orderDao = database.orderDao()
+
+    override suspend fun load(
+        loadType: LoadType,
+        state: PagingState<Int, OrderWithProducts>
+    ): MediatorResult {
+        return try {
+            var loadKey = when (loadType) {
+                LoadType.REFRESH -> null
+                LoadType.PREPEND -> return MediatorResult.Success(endOfPaginationReached = true)
+                LoadType.APPEND -> {
+                    val lastItem = state.lastItemOrNull()
+                        ?: return MediatorResult.Success(endOfPaginationReached = true)
+                    lastItem.order.id
+                }
+            }
+
+            if (loadKey == null) {
+                loadKey = 0
+            }
+
+            val response: OrderListResponse = if (query.isEmpty()) {
+                serverService.getOrdersToWorkList (after = loadKey, token = token)
+            } else {serverService.getOrdersByUserList(after = loadKey, token = token)}
+
+            database.withTransaction {
+                if (loadType == LoadType.REFRESH) {
+                    orderDao.deleteByQuery(query)
+                }
+
+                for (order in response.orders) {
+                    orderDao.insert(order.toOrder())
+                }
+            }
+
+            MediatorResult.Success(endOfPaginationReached = response.nextKey == -1)
+        } catch (e: IOException) {
+            MediatorResult.Error(e)
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/data/api/mediators/UserRemoteMediator.kt

@@ -0,0 +1,60 @@
+package com.example.mobileapp.data.api.mediators
+
+import androidx.paging.ExperimentalPagingApi
+import androidx.paging.LoadType
+import androidx.paging.PagingState
+import androidx.paging.RemoteMediator
+import androidx.room.withTransaction
+import com.example.mobileapp.data.api.MyServerService
+import com.example.mobileapp.data.api.models.UserListResponse
+import com.example.mobileapp.data.api.models.toUser
+import com.example.mobileapp.data.db.AppDatabase
+import com.example.mobileapp.data.db.models.User
+import java.io.IOException
+
+@OptIn(ExperimentalPagingApi::class)
+class UserRemoteMediator (
+    private val database: AppDatabase,
+    private val serverService: MyServerService,
+    private val token: String
+) : RemoteMediator<Int, User>(){
+
+    private val userDao = database.userDao()
+
+    override suspend fun load(
+        loadType: LoadType,
+        state: PagingState<Int, User>
+    ): MediatorResult {
+        return try {
+            var loadKey = when (loadType) {
+                LoadType.REFRESH -> null
+                LoadType.PREPEND -> return MediatorResult.Success(endOfPaginationReached = true)
+                LoadType.APPEND -> {
+                    val lastItem = state.lastItemOrNull()
+                        ?: return MediatorResult.Success(endOfPaginationReached = true)
+                    lastItem.id
+                }
+            }
+
+            if (loadKey == null) {
+                loadKey = 0
+            }
+            val response: UserListResponse = serverService.getUsersList(after = loadKey, token = token)
+
+            database.withTransaction {
+
+                if (loadType == LoadType.REFRESH) {
+                    userDao.deleteAll()
+                }
+
+                for (user in response.users) {
+                    userDao.insert(user.toUser())
+                }
+            }
+
+            MediatorResult.Success(endOfPaginationReached = response.nextKey == -1)
+        } catch (e: IOException) {
+            MediatorResult.Error(e)
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/data/api/models/CategoryRemote.kt

@@ -0,0 +1,24 @@
+package com.example.mobileapp.data.api.models
+
+import com.example.mobileapp.data.db.models.Category
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class CategoryRemote(
+    val id: Int? = 0,
+    val name: String = ""
+)
+
+@Serializable
+data class CategoryListResponse(
+    val categories: List<CategoryRemote> = listOf(),
+    val nextKey: Int? = null
+)
+
+fun CategoryRemote.toCategory(): Category = Category(
+    id, name
+)
+
+fun Category.toCategoryRemote(): CategoryRemote = CategoryRemote(
+    id = id, name = name
+)

app/src/main/java/com/example/mobileapp/data/api/models/OrderRemote.kt

@@ -0,0 +1,48 @@
+package com.example.mobileapp.data.api.models
+
+import com.example.mobileapp.data.db.models.Order
+import com.example.mobileapp.data.db.models.OrderProduct
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class OrderRemote(
+    val id: Int? = null,
+    val user_id: Int? = -1,
+    val price: Int = -1,
+    val status_id: Int? = -1,
+
+    val order_products: List<OrderProductRemote> = listOf()
+)
+
+@Serializable
+data class OrderListResponse(
+    val orders: List<OrderRemote> = listOf(),
+    val nextKey: Int? = null
+)
+
+fun OrderRemote.toOrder() : Order = Order(
+    id= id, userId = user_id, price= price, statusId = status_id
+)
+
+fun Order.toOrderRemote() : OrderRemote = OrderRemote(
+    id= id, user_id= userId, price= price, status_id = statusId
+)
+
+@Serializable
+data class OrderProductRemote(
+    val id: Int? = null,
+    val order_id: Int = -1,
+    val product_id: Int = -1,
+    val amount: Int = 0,
+
+    val order: OrderRemote? = null,
+    val product: ProductRemote? = null
+)
+
+fun OrderProductRemote.toOrderProduct() : OrderProduct = OrderProduct(
+    order_id, product_id, amount
+)
+
+fun OrderProduct.toOrderProductRemote() : OrderProductRemote = OrderProductRemote(
+    order_id = orderId, product_id = productId, amount = amount
+)

app/src/main/java/com/example/mobileapp/data/api/models/ProductRemote.kt

@@ -0,0 +1,20 @@
+package com.example.mobileapp.data.api.models
+
+import com.example.mobileapp.data.db.models.Product
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class ProductRemote(
+    val id: Int? = null,
+    val name: String = "",
+    val category_id: Int = 0,
+    val price: Int = 0,
+)
+
+fun ProductRemote.toProduct(): Product = Product(
+    id, name, category_id, price
+)
+
+fun Product.toProductRemote(): ProductRemote = ProductRemote(
+    id = id, name = name, category_id = categoryId, price = price
+)

app/src/main/java/com/example/mobileapp/data/api/models/RoleRemote.kt

@@ -0,0 +1,18 @@
+package com.example.mobileapp.data.api.models
+
+import com.example.mobileapp.data.db.models.Role
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class RoleRemote(
+    val id: Int? = 0,
+    val name: String = ""
+)
+
+fun RoleRemote.toRole(): Role = Role(
+    id, name
+)
+
+fun Role.toRoleRemote(): RoleRemote = RoleRemote(
+    id = id, name = name
+)

app/src/main/java/com/example/mobileapp/data/api/models/StatusRemote.kt

@@ -0,0 +1,18 @@
+package com.example.mobileapp.data.api.models
+
+import com.example.mobileapp.data.db.models.Status
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class StatusRemote(
+    val id: Int? = 0,
+    val name: String = ""
+)
+
+fun StatusRemote.toStatus(): Status = Status(
+    id, name
+)
+
+fun Status.toStatusRemote(): StatusRemote = StatusRemote(
+    id = id, name = name
+)

app/src/main/java/com/example/mobileapp/data/api/models/UserRemote.kt

@@ -0,0 +1,31 @@
+package com.example.mobileapp.data.api.models
+
+import com.example.mobileapp.data.db.models.User
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class TokenRemote(
+    val access_token: String = ""
+)
+
+@Serializable
+data class UserRemote(
+    val id: Int? = 0,
+    val login: String = "",
+    val password:String = "",
+    val role_id:Int = -1
+)
+
+@Serializable
+data class UserListResponse(
+    val users: List<UserRemote> = listOf(),
+    val nextKey: Int? = null
+)
+
+fun UserRemote.toUser(): User = User(
+    id, login, password, role_id
+)
+
+fun User.toUserRemote(): UserRemote = UserRemote(
+    id = id, login = login, password = password, role_id = roleId
+)

app/src/main/java/com/example/mobileapp/data/api/repositories/RestCategoryRepository.kt

@@ -0,0 +1,13 @@
+package com.example.mobileapp.data.api.repositories
+
+import com.example.mobileapp.data.api.MyServerService
+import com.example.mobileapp.data.api.models.CategoryRemote
+import javax.inject.Inject
+
+class RestCategoryRepository @Inject constructor(
+    private val service: MyServerService
+) {
+    suspend fun getCategories() : List<CategoryRemote> {
+        return service.getCategories()
+    }
+}

app/src/main/java/com/example/mobileapp/data/api/repositories/RestOrderProductRepository.kt

@@ -0,0 +1,21 @@
+package com.example.mobileapp.data.api.repositories
+
+import com.example.mobileapp.data.api.MyServerService
+import com.example.mobileapp.data.api.models.OrderProductRemote
+import javax.inject.Inject
+
+class RestOrderProductRepository @Inject constructor(
+    private val service: MyServerService
+) {
+    suspend fun insertOrderProduct(token: String, orderProduct: OrderProductRemote) {
+        service.insertOrderProduct(orderProduct, token)
+    }
+
+    suspend fun updateOrderProduct(token: String, orderProduct: OrderProductRemote) {
+        service.updateOrderProduct(orderProduct, token)
+    }
+
+    suspend fun deleteOrderProduct(token: String, orderProduct: OrderProductRemote) {
+        service.deleteOrderProduct(orderProduct, token)
+    }
+}

app/src/main/java/com/example/mobileapp/data/api/repositories/RestOrderRepository.kt

@@ -0,0 +1,25 @@
+package com.example.mobileapp.data.api.repositories
+
+import com.example.mobileapp.data.api.MyServerService
+import com.example.mobileapp.data.api.models.OrderRemote
+import javax.inject.Inject
+
+class RestOrderRepository @Inject constructor(
+    private val service: MyServerService
+) {
+    suspend fun getCartByUser(token:String) : OrderRemote {
+        return service.getCartByUser(token)
+    }
+
+    suspend fun insertOrder(token: String, order: OrderRemote): OrderRemote? {
+        return service.insertOrder(order, token)
+    }
+
+    suspend fun updateOrder(token: String, order: OrderRemote): OrderRemote? {
+        return service.updateOrder(order, token)
+    }
+
+    suspend fun deleteOrder(token: String, orderId: Int) {
+        service.deleteOrder(orderId, token)
+    }
+}

app/src/main/java/com/example/mobileapp/data/api/repositories/RestProductRepository.kt

@@ -0,0 +1,32 @@
+package com.example.mobileapp.data.api.repositories
+
+import com.example.mobileapp.data.api.MyServerService
+import com.example.mobileapp.data.api.models.ProductRemote
+import com.example.mobileapp.data.api.models.toProduct
+import com.example.mobileapp.data.api.models.toProductRemote
+import com.example.mobileapp.data.db.models.Product
+import javax.inject.Inject
+
+class RestProductRepository @Inject constructor(
+    private val service: MyServerService
+) {
+    suspend fun insert(product: Product, token: String) {
+        service.insertProduct(product.toProductRemote(), token)
+    }
+
+    suspend fun update(product: Product, token: String) {
+        service.updateProduct((product.toProductRemote()), token)
+    }
+
+    suspend fun delete(id: Int, token: String) {
+        service.deleteProduct(id, token)
+    }
+
+    suspend fun getProductById(id: Int, token: String) : Product {
+        return service.getProductById(id, token).toProduct()
+    }
+
+    suspend fun getProductsByCategoryId(categoryId: Int, token: String) : List<ProductRemote> {
+        return service.getProductsByCategoryId(categoryId, token)
+    }
+}

app/src/main/java/com/example/mobileapp/data/api/repositories/RestRoleRepository.kt

@@ -0,0 +1,19 @@
+package com.example.mobileapp.data.api.repositories
+
+import com.example.mobileapp.data.api.MyServerService
+import com.example.mobileapp.data.api.models.RoleRemote
+import com.example.mobileapp.data.api.models.toRoleRemote
+import com.example.mobileapp.data.db.models.Role
+import javax.inject.Inject
+
+class RestRoleRepository @Inject constructor(
+    private val service: MyServerService
+) {
+    suspend fun getRole(role: Role): RoleRemote? {
+        return service.getRole(role.toRoleRemote())
+    }
+
+    suspend fun getRoles() : List<RoleRemote> {
+        return service.getRoles()
+    }
+}

app/src/main/java/com/example/mobileapp/data/api/repositories/RestStatusRepository.kt

@@ -0,0 +1,15 @@
+package com.example.mobileapp.data.api.repositories
+
+import com.example.mobileapp.data.api.MyServerService
+import com.example.mobileapp.data.api.models.StatusRemote
+import com.example.mobileapp.data.api.models.toStatusRemote
+import com.example.mobileapp.data.db.models.Status
+import javax.inject.Inject
+
+class RestStatusRepository @Inject constructor(
+    private val service: MyServerService
+) {
+    suspend fun getStatus(status: Status): StatusRemote? {
+        return service.getStatus(status.toStatusRemote())
+    }
+}

app/src/main/java/com/example/mobileapp/data/api/repositories/RestUserRepository.kt

@@ -0,0 +1,32 @@
+package com.example.mobileapp.data.api.repositories
+
+import com.example.mobileapp.data.api.MyServerService
+import com.example.mobileapp.data.api.models.TokenRemote
+import com.example.mobileapp.data.api.models.UserRemote
+import com.example.mobileapp.data.api.models.toUserRemote
+import com.example.mobileapp.data.db.models.User
+import javax.inject.Inject
+
+class RestUserRepository @Inject constructor(
+    private val service: MyServerService
+) {
+    suspend fun insert(user: User) {
+        service.createUser(user.toUserRemote())
+    }
+
+    suspend fun update(user: User, token: String) {
+        service.updateUser((user.toUserRemote()), token)
+    }
+
+    suspend fun delete(id: Int, token: String) {
+        service.deleteUser(id, token)
+    }
+
+    suspend fun getToken(user: User): TokenRemote {
+        return service.getToken(user.toUserRemote())
+    }
+
+    suspend fun checkLogin(user: User): UserRemote? {
+        return service.checkLogin(user.toUserRemote())
+    }
+}

app/src/main/java/com/example/mobileapp/data/db/AppDatabase.kt

@@ -0,0 +1,32 @@
+package com.example.mobileapp.data.db
+import androidx.room.*
+import com.example.mobileapp.data.db.dao.*
+import com.example.mobileapp.data.db.models.*
+
+@Database(
+    entities =
+    [
+        Role::class,
+        Status::class,
+        Category::class,
+        User::class,
+        Order::class,
+        Product::class,
+        OrderProduct::class,
+    ],
+    version = 5,
+    exportSchema = false
+)
+abstract class AppDatabase : RoomDatabase() {
+    abstract fun roleDao() : RoleDao
+    abstract fun statusDao() : StatusDao
+    abstract fun categoryDao() : CategoryDao
+    abstract fun userDao() : UserDao
+    abstract fun productDao() : ProductDao
+    abstract fun orderDao() : OrderDao
+    abstract fun orderProductDao() : OrderProductDao
+
+    companion object {
+        const val DB_NAME: String = "mobileapp-db"
+    }
+}

app/src/main/java/com/example/mobileapp/data/db/dao/CategoryDao.kt

@@ -0,0 +1,19 @@
+package com.example.mobileapp.data.db.dao
+import androidx.room.*
+import com.example.mobileapp.data.db.models.*
+import androidx.paging.PagingSource
+import com.example.mobileapp.data.db.models.Category
+
+@Dao
+interface CategoryDao {
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insert(category: Category)
+    @Update
+    suspend fun update(category: Category)
+    @Delete
+    suspend fun delete(category: Category)
+    @Query("delete from category")
+    fun deleteAll()
+    @Query("select * from category")
+    fun getPaged() : PagingSource<Int, Category>
+}

app/src/main/java/com/example/mobileapp/data/db/dao/OrderDao.kt

@@ -0,0 +1,41 @@
+package com.example.mobileapp.data.db.dao
+import androidx.paging.PagingSource
+import androidx.room.*
+import com.example.mobileapp.data.db.models.Order
+import com.example.mobileapp.data.db.models.OrderWithProducts
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface OrderDao {
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insert(order: Order)
+    @Update
+    suspend fun update(order: Order)
+    @Delete
+    suspend fun delete(order: Order)
+
+    @Query("select * from `order` where `order`.`id` =:id")
+    fun getById(id: Int): Flow<OrderWithProducts>
+
+    @Query("select * from `order` where `order`.`user_id` =:userId and `order`.`status_id` = 1")
+    fun getCartByUser(userId: Int): Flow<OrderWithProducts?>
+
+    @Query("select * from `order` where `order`.`status_id` != 1 and `order`.`status_id` != 4")
+    fun getOrdersToWork(): PagingSource<Int, OrderWithProducts>
+    @Query("select * from `order` where (`order`.`user_id` =:userId and `order`.`status_id` != 1 and `order`.`status_id` != 4)")
+    fun getOrdersByUser(userId: Int): PagingSource<Int, OrderWithProducts>
+
+    @Query("delete from `order` where `order`.`status_id` != 1 and `order`.`status_id` != 4")
+    fun deleteOrdersToWork()
+    @Query("delete from `order` where (`order`.`user_id` =:userId and `order`.`status_id` != 1 and `order`.`status_id` != 4)")
+    fun deleteOrdersByUser(userId: Int)
+
+    fun deleteByQuery(query: String) {
+        if (query.isEmpty()) {
+            deleteOrdersToWork()
+        }
+        else {
+            deleteOrdersByUser(query.toInt())
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/data/db/dao/OrderProductDao.kt

@@ -0,0 +1,17 @@
+package com.example.mobileapp.data.db.dao
+import androidx.room.*
+import com.example.mobileapp.data.db.models.OrderProduct
+
+@Dao
+interface OrderProductDao {
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insert(orderProduct: OrderProduct)
+    @Update
+    suspend fun update(orderProduct: OrderProduct)
+    @Delete
+    suspend fun delete(orderProduct: OrderProduct)
+    @Query("delete from order_product WHERE order_id = :orderId")
+    suspend fun deleteByOrderId(orderId: Int)
+    @Query("delete from order_product WHERE product_id = :productId")
+    suspend fun deleteByProductId(productId: Int)
+}

app/src/main/java/com/example/mobileapp/data/db/dao/ProductDao.kt

@@ -0,0 +1,13 @@
+package com.example.mobileapp.data.db.dao
+import androidx.room.*
+import com.example.mobileapp.data.db.models.Product
+
+@Dao
+interface ProductDao {
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insert(product: Product)
+    @Update
+    suspend fun update(product: Product)
+    @Delete
+    suspend fun delete(product: Product)
+}

app/src/main/java/com/example/mobileapp/data/db/dao/RoleDao.kt

@@ -0,0 +1,17 @@
+package com.example.mobileapp.data.db.dao
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Update
+import com.example.mobileapp.data.db.models.Role
+
+@Dao
+interface RoleDao {
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insert(role: Role)
+    @Update
+    suspend fun update(role: Role)
+    @Delete
+    suspend fun delete(role: Role)
+}

app/src/main/java/com/example/mobileapp/data/db/dao/StatusDao.kt

@@ -0,0 +1,17 @@
+package com.example.mobileapp.data.db.dao
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Update
+import com.example.mobileapp.data.db.models.Status
+
+@Dao
+interface StatusDao {
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insert(status: Status)
+    @Update
+    suspend fun update(status: Status)
+    @Delete
+    suspend fun delete(status: Status)
+}

app/src/main/java/com/example/mobileapp/data/db/dao/UserDao.kt

@@ -0,0 +1,18 @@
+package com.example.mobileapp.data.db.dao
+import androidx.paging.PagingSource
+import androidx.room.*
+import com.example.mobileapp.data.db.models.User
+
+@Dao
+interface UserDao {
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insert(user: User)
+    @Update
+    suspend fun update(user: User)
+    @Delete
+    suspend fun delete(user: User)
+    @Query("delete from user")
+    fun deleteAll()
+    @Query("select * from user")
+    fun getPaged() : PagingSource<Int, User>
+}

app/src/main/java/com/example/mobileapp/data/db/models/Category.kt

@@ -0,0 +1,23 @@
+package com.example.mobileapp.data.db.models
+
+import androidx.room.*
+
+@Entity(tableName = "category")
+data class Category(
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = "id")
+    val id: Int?,
+    @ColumnInfo(name = "name")
+    val name: String
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+        other as Category
+        return id == other.id
+    }
+
+    override fun hashCode(): Int {
+        return id ?: -1
+    }
+}

app/src/main/java/com/example/mobileapp/data/db/models/Order.kt

@@ -0,0 +1,28 @@
+package com.example.mobileapp.data.db.models
+import androidx.room.*
+
+@Entity(
+    tableName = "order"
+)
+data class Order(
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = "id")
+    val id: Int?,
+    @ColumnInfo(name = "user_id")
+    val userId: Int?,
+    @ColumnInfo(name = "price")
+    var price: Int,
+    @ColumnInfo(name = "status_id")
+    var statusId: Int?,
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+        other as Order
+        return id == other.id
+    }
+
+    override fun hashCode(): Int {
+        return id ?: -1
+    }
+}

app/src/main/java/com/example/mobileapp/data/db/models/OrderProduct.kt

@@ -0,0 +1,12 @@
+package com.example.mobileapp.data.db.models
+import androidx.room.*
+
+@Entity(tableName = "order_product", primaryKeys = ["order_id", "product_id"])
+data class OrderProduct(
+    @ColumnInfo(name = "order_id", index = true)
+    var orderId: Int,
+    @ColumnInfo(name = "product_id", index = true)
+    var productId: Int,
+    @ColumnInfo(name = "amount")
+    var amount: Int
+)

app/src/main/java/com/example/mobileapp/data/db/models/OrderProductWithProduct.kt

@@ -0,0 +1,9 @@
+package com.example.mobileapp.data.db.models
+import androidx.room.*
+
+data class OrderProductWithProduct(
+    @Embedded
+    val orderProduct: OrderProduct,
+    @Relation(entity = Product::class, parentColumn = "product_id", entityColumn = "id")
+    val product: Product
+)

app/src/main/java/com/example/mobileapp/data/db/models/OrderWithProducts.kt

@@ -0,0 +1,9 @@
+package com.example.mobileapp.data.db.models
+import androidx.room.*
+
+data class OrderWithProducts(
+    @Embedded
+    val order: Order,
+    @Relation(entity = OrderProduct::class, parentColumn = "id", entityColumn = "order_id")
+    val orderWithProducts: List<OrderProductWithProduct>
+)

app/src/main/java/com/example/mobileapp/data/db/models/Product.kt

@@ -0,0 +1,26 @@
+package com.example.mobileapp.data.db.models
+import androidx.room.*
+
+@Entity(tableName = "product")
+data class Product(
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = "id")
+    val id: Int?,
+    @ColumnInfo(name = "name")
+    val name: String,
+    @ColumnInfo(name = "category_id")
+    val categoryId: Int,
+    @ColumnInfo(name = "price")
+    val price: Int
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+        other as Product
+        return id == other.id
+    }
+
+    override fun hashCode(): Int {
+        return id ?: -1
+    }
+}

app/src/main/java/com/example/mobileapp/data/db/models/Role.kt

@@ -0,0 +1,22 @@
+package com.example.mobileapp.data.db.models
+import androidx.room.*
+
+@Entity(tableName = "role")
+data class Role(
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = "id")
+    val id: Int?,
+    @ColumnInfo(name = "name")
+    val name: String
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+        other as Role
+        return id == other.id
+    }
+
+    override fun hashCode(): Int {
+        return id ?: -1
+    }
+}

app/src/main/java/com/example/mobileapp/data/db/models/Status.kt

@@ -0,0 +1,22 @@
+package com.example.mobileapp.data.db.models
+import androidx.room.*
+
+@Entity(tableName = "status")
+data class Status(
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = "id")
+    val id: Int?,
+    @ColumnInfo(name = "name")
+    val name: String
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+        other as Status
+        return id == other.id
+    }
+
+    override fun hashCode(): Int {
+        return id ?: -1
+    }
+}

app/src/main/java/com/example/mobileapp/data/db/models/User.kt

@@ -0,0 +1,26 @@
+package com.example.mobileapp.data.db.models
+import androidx.room.*
+
+@Entity(tableName = "user")
+data class User(
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = "id")
+    val id: Int?,
+    @ColumnInfo(name = "login")
+    val login: String,
+    @ColumnInfo(name = "password")
+    val password: String,
+    @ColumnInfo(name = "role_id")
+    var roleId: Int
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+        other as User
+        return id == other.id
+    }
+
+    override fun hashCode(): Int {
+        return id ?: -1
+    }
+}

app/src/main/java/com/example/mobileapp/data/repositories/CategoryRepository.kt

@@ -0,0 +1,35 @@
+package com.example.mobileapp.data.repositories
+
+import androidx.paging.ExperimentalPagingApi
+import androidx.paging.Pager
+import androidx.paging.PagingConfig
+import androidx.paging.PagingData
+import com.example.mobileapp.data.api.MyServerService
+import com.example.mobileapp.data.api.mediators.CategoryRemoteMediator
+import com.example.mobileapp.data.api.models.CategoryRemote
+import com.example.mobileapp.data.api.repositories.RestCategoryRepository
+import com.example.mobileapp.data.db.dao.CategoryDao
+import com.example.mobileapp.data.db.AppDatabase
+import com.example.mobileapp.data.db.models.Category
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Inject
+
+class CategoryRepository @Inject constructor(
+    private val categoryDao: CategoryDao,
+    private val database: AppDatabase,
+    private val restRepository: RestCategoryRepository
+){
+    @OptIn(ExperimentalPagingApi::class)
+    fun getAllPaged(token: String): Flow<PagingData<Category>> = Pager(
+        config = PagingConfig(
+            pageSize = 20,
+            enablePlaceholders = false
+        ),
+        pagingSourceFactory = categoryDao::getPaged,
+        remoteMediator = CategoryRemoteMediator(database = database, serverService = MyServerService.getInstance(), token = token)
+    ).flow
+
+    suspend fun getCategories() : List<CategoryRemote> {
+        return restRepository.getCategories()
+    }
+}

app/src/main/java/com/example/mobileapp/data/repositories/OrderProductRepository.kt

@@ -0,0 +1,25 @@
+package com.example.mobileapp.data.repositories
+
+import com.example.mobileapp.data.api.models.toOrderProductRemote
+import com.example.mobileapp.data.api.repositories.RestOrderProductRepository
+import com.example.mobileapp.data.db.dao.OrderProductDao
+import com.example.mobileapp.data.db.models.OrderProduct
+import javax.inject.Inject
+
+class OrderProductRepository @Inject constructor(
+    private val orderProductDao: OrderProductDao,
+    private val restOrderProductRepository: RestOrderProductRepository
+){
+    suspend fun insert(token: String, orderProduct: OrderProduct) {
+        orderProductDao.insert(orderProduct)
+        return restOrderProductRepository.insertOrderProduct(token, orderProduct.toOrderProductRemote())
+    }
+    suspend fun update(token: String, orderProduct: OrderProduct) {
+        orderProductDao.update(orderProduct)
+        return restOrderProductRepository.updateOrderProduct(token, orderProduct.toOrderProductRemote())
+    }
+    suspend fun delete(token: String, orderProduct: OrderProduct) {
+        orderProductDao.delete(orderProduct)
+        restOrderProductRepository.deleteOrderProduct(token, orderProduct.toOrderProductRemote())
+    }
+}

app/src/main/java/com/example/mobileapp/data/repositories/OrderRepository.kt

@@ -0,0 +1,75 @@
+package com.example.mobileapp.data.repositories
+
+import com.example.mobileapp.data.db.dao.OrderDao
+import androidx.paging.*
+import com.example.mobileapp.data.api.MyServerService
+import com.example.mobileapp.data.api.models.toOrder
+import com.example.mobileapp.data.api.models.toOrderProduct
+import com.example.mobileapp.data.api.models.toOrderRemote
+import com.example.mobileapp.data.api.repositories.RestOrderRepository
+import com.example.mobileapp.data.db.dao.OrderProductDao
+import com.example.mobileapp.data.db.AppDatabase
+import com.example.mobileapp.data.db.models.Order
+import com.example.mobileapp.data.api.mediators.OrderRemoteMediator
+import com.example.mobileapp.data.db.models.OrderWithProducts
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.first
+import javax.inject.Inject
+
+class OrderRepository @Inject constructor(
+    private val database: AppDatabase,
+    private val orderDao: OrderDao,
+    private val orderProductDao: OrderProductDao,
+    private val restRepository: RestOrderRepository
+){
+    suspend fun insert(token: String, order: Order): Order? {
+        orderDao.insert(order)
+        val result =  restRepository.insertOrder(token, order.toOrderRemote())
+        if (result == null) {
+            return result
+        }
+        return result.toOrder()
+    }
+    suspend fun update(token: String, order: Order) {
+        orderDao.update(order)
+        restRepository.updateOrder(token, order.toOrderRemote())
+    }
+    suspend fun delete(token: String, order: Order) {
+        orderProductDao.deleteByOrderId(order.id!!)
+        orderDao.delete(order)
+        restRepository.deleteOrder(token, order.id)
+    }
+    fun getById(id: Int) = orderDao.getById(id)
+
+    suspend fun getCartByUser(token: String) : OrderWithProducts? {
+        val order = restRepository.getCartByUser(token)
+        if (order.id != null) {
+            orderDao.insert(order.toOrder())
+            for (product in order.order_products) {
+                orderProductDao.insert(product.toOrderProduct())
+            }
+            return orderDao.getCartByUser(order.user_id!!).first()
+        }
+        return null
+    }
+
+    @OptIn(ExperimentalPagingApi::class)
+    fun getOrdersToWorkPaged(token: String): Flow<PagingData<OrderWithProducts>> = Pager(
+        config = PagingConfig(
+            pageSize = 6,
+            enablePlaceholders = false
+        ),
+        pagingSourceFactory = orderDao::getOrdersToWork,
+        remoteMediator = OrderRemoteMediator(database = database, serverService = MyServerService.getInstance(), query = "", token = token)
+    ).flow
+
+    @OptIn(ExperimentalPagingApi::class)
+    fun getOrdersByUserPaged(token: String, userId: Int): Flow<PagingData<OrderWithProducts>> = Pager(
+        config = PagingConfig(
+            pageSize = 6,
+            enablePlaceholders = false
+        ),
+        pagingSourceFactory = {orderDao.getOrdersByUser(userId)},
+        remoteMediator = OrderRemoteMediator(database = database, serverService = MyServerService.getInstance(), query = userId.toString(), token = token)
+    ).flow
+}

app/src/main/java/com/example/mobileapp/data/repositories/ProductRepository.kt

@@ -0,0 +1,43 @@
+package com.example.mobileapp.data.repositories
+
+import com.example.mobileapp.data.api.models.ProductRemote
+import com.example.mobileapp.data.api.models.toProduct
+import com.example.mobileapp.data.api.repositories.RestProductRepository
+import com.example.mobileapp.data.db.dao.OrderProductDao
+import com.example.mobileapp.data.db.dao.ProductDao
+import com.example.mobileapp.data.db.models.Product
+import javax.inject.Inject
+
+class ProductRepository @Inject constructor(
+    private val productDao: ProductDao,
+    private val orderProductDao: OrderProductDao,
+    private val restRepository: RestProductRepository
+){
+    suspend fun insert(product: Product, token: String) {
+        productDao.insert(product)
+        return restRepository.insert(product, token)
+    }
+    suspend fun update(product: Product, token: String) {
+        productDao.update(product)
+        return restRepository.update(product, token)
+    }
+    suspend fun delete(product: Product, token: String) {
+        productDao.delete(product)
+        product.id?.let { orderProductDao.deleteByProductId(it) }
+        return restRepository.delete(product.id!!, token)
+    }
+
+    suspend fun getProductById(id: Int, token: String) : Product {
+        val product = restRepository.getProductById(id, token)
+        productDao.insert(product)
+        return product
+    }
+
+    suspend fun getProductsByCategoryId(categoryId: Int, token: String) : List<ProductRemote> {
+        val products = restRepository.getProductsByCategoryId(categoryId, token)
+        products.forEach{ productRemote ->
+            productDao.insert(productRemote.toProduct())
+        }
+        return products
+    }
+}

app/src/main/java/com/example/mobileapp/data/repositories/RoleRepository.kt

@@ -0,0 +1,24 @@
+package com.example.mobileapp.data.repositories
+
+import com.example.mobileapp.data.api.models.RoleRemote
+import com.example.mobileapp.data.api.repositories.RestRoleRepository
+import com.example.mobileapp.data.db.dao.RoleDao
+import com.example.mobileapp.data.db.models.Role
+import javax.inject.Inject
+
+class RoleRepository @Inject constructor(
+    private val roleDao: RoleDao,
+    private val restRepository: RestRoleRepository
+){
+    suspend fun insert(role: Role) = roleDao.insert(role)
+    suspend fun update(role: Role) = roleDao.update(role)
+    suspend fun delete(role: Role) = roleDao.delete(role)
+
+    suspend fun getRole(role: Role): RoleRemote? {
+        return restRepository.getRole(role)
+    }
+
+    suspend fun getRoles() : List<RoleRemote> {
+        return restRepository.getRoles()
+    }
+}

app/src/main/java/com/example/mobileapp/data/repositories/StatusRepository.kt

@@ -0,0 +1,24 @@
+package com.example.mobileapp.data.repositories
+
+import com.example.mobileapp.data.api.models.StatusRemote
+import com.example.mobileapp.data.api.models.toStatus
+import com.example.mobileapp.data.api.repositories.RestStatusRepository
+import com.example.mobileapp.data.db.dao.StatusDao
+import com.example.mobileapp.data.db.models.Status
+import javax.inject.Inject
+
+class StatusRepository @Inject constructor(
+    private val statusDao: StatusDao,
+    private val restRepository: RestStatusRepository
+){
+    suspend fun insert(status: Status) = statusDao.insert(status)
+    suspend fun update(status: Status) = statusDao.update(status)
+    suspend fun delete(status: Status) = statusDao.delete(status)
+    suspend fun getStatus(status: Status): StatusRemote? {
+        val statusModel = restRepository.getStatus(status)
+        if (statusModel != null){
+            statusDao.insert(statusModel.toStatus())
+        }
+        return statusModel
+    }
+}

app/src/main/java/com/example/mobileapp/data/repositories/UserRepository.kt

@@ -0,0 +1,51 @@
+package com.example.mobileapp.data.repositories
+
+import androidx.paging.ExperimentalPagingApi
+import androidx.paging.Pager
+import androidx.paging.PagingConfig
+import androidx.paging.PagingData
+import com.example.mobileapp.data.api.MyServerService
+import com.example.mobileapp.data.api.mediators.UserRemoteMediator
+import com.example.mobileapp.data.api.models.TokenRemote
+import com.example.mobileapp.data.api.models.UserRemote
+import com.example.mobileapp.data.api.repositories.RestUserRepository
+import com.example.mobileapp.data.db.dao.UserDao
+import com.example.mobileapp.data.db.AppDatabase
+import com.example.mobileapp.data.db.models.User
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Inject
+
+class UserRepository @Inject constructor(
+    private val userDao: UserDao,
+    private val database: AppDatabase,
+    private val restRepository: RestUserRepository
+){
+    suspend fun insert(user: User){
+        userDao.insert(user)
+        restRepository.insert(user)
+    }
+    suspend fun update(user: User, token: String) {
+        return restRepository.update(user, token)
+    }
+    suspend fun delete(user: User, token: String) {
+        userDao.delete(user)
+        return restRepository.delete(user.id!!, token)
+    }
+    @OptIn(ExperimentalPagingApi::class)
+    fun getAllPaged(token: String): Flow<PagingData<User>> = Pager(
+        config = PagingConfig(
+            pageSize = 6,
+            enablePlaceholders = false
+        ),
+        pagingSourceFactory = userDao::getPaged,
+        remoteMediator = UserRemoteMediator(database = database, serverService = MyServerService.getInstance(), token = token)
+    ).flow
+
+    suspend fun getToken(user: User): TokenRemote {
+        return restRepository.getToken(user)
+    }
+
+    suspend fun checkLogin(user: User): UserRemote? {
+        return restRepository.checkLogin(user)
+    }
+}

app/src/main/java/com/example/mobileapp/data/sharedpref/PreferencesManager.kt

@@ -0,0 +1,23 @@
+package com.example.mobileapp.data.sharedpref
+
+import android.content.Context
+import android.content.SharedPreferences
+
+class PreferencesManager(context: Context) {
+    private val sharedPreferences: SharedPreferences =
+        context.getSharedPreferences("MyPrefs", Context.MODE_PRIVATE)
+
+    fun saveData(key: String, value: String) {
+        val editor = sharedPreferences.edit()
+        editor.putString(key, value)
+        editor.apply()
+    }
+
+    fun getData(key: String, defaultValue: String): String {
+        return sharedPreferences.getString(key, defaultValue) ?: defaultValue
+    }
+
+    fun deleteData(key: String) {
+        sharedPreferences.edit().remove(key).apply()
+    }
+}

app/src/main/java/com/example/mobileapp/ui/navigation/AppNavigation.kt

@@ -0,0 +1,135 @@
+package com.example.mobileapp.ui.navigation
+
+import android.annotation.SuppressLint
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.Scaffold
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.unit.dp
+import androidx.navigation.NavController
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.currentBackStackEntryAsState
+import androidx.navigation.compose.rememberNavController
+import com.example.mobileapp.data.sharedpref.PreferencesManager
+import com.example.mobileapp.ui.screens.AuthorizationScreen
+import com.example.mobileapp.ui.screens.CartScreen
+import com.example.mobileapp.ui.screens.CreateProductScreen
+import com.example.mobileapp.ui.screens.EditMenuScreen
+import com.example.mobileapp.ui.screens.EditProductScreen
+import com.example.mobileapp.ui.screens.ManagmentScreen
+import com.example.mobileapp.ui.screens.MenuScreen
+import com.example.mobileapp.ui.screens.OrderScreen
+import com.example.mobileapp.ui.screens.ProfileScreen
+import com.example.mobileapp.ui.screens.RegistrationScreen
+import com.example.mobileapp.ui.screens.UsersScreen
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun AppNavigation(){
+    val navController = rememberNavController()
+    Scaffold(
+        bottomBar = {
+            val navBackStackEntry by navController.currentBackStackEntryAsState()
+            val currentRoute = navBackStackEntry?.destination?.route
+            if (currentRoute != Screens.AuthorizationScreen.name && currentRoute != Screens.RegistrationScreen.name) {
+                CustomNavigationBar(navController)
+            }
+        }
+    ){
+        paddingValues ->
+        NavHost(
+            navController = navController,
+            startDestination = Screens.AuthorizationScreen.name,
+            modifier = Modifier.padding(paddingValues)
+        ){
+            composable(route = Screens.MenuScreen.name){ MenuScreen() }
+            composable(route = Screens.ProfileScreen.name){ ProfileScreen(navController) }
+            composable(route = Screens.CartScreen.name){ CartScreen() }
+            composable(route = Screens.ManagmentScreen.name){ ManagmentScreen(navController) }
+            composable(route = Screens.OrderScreen.name){ OrderScreen() }
+
+            composable(route = Screens.AuthorizationScreen.name){ AuthorizationScreen(navController) }
+            composable(route = Screens.CreateProductScreen.name){ CreateProductScreen(navController) }
+            composable(route = Screens.EditMenuScreen.name){ EditMenuScreen(navController) }
+            composable(route = Screens.RegistrationScreen.name){ RegistrationScreen(navController) }
+            composable(route = Screens.UsersScreen.name){ UsersScreen() }
+            composable(route = Screens.EditProductScreen.name + "/{productId}"){ backStackEntry ->
+                val productId = backStackEntry.arguments?.getString("productId")
+                EditProductScreen(navController, productId.toString().toInt())
+            }
+        }
+    }
+}
+
+@SuppressLint("CoroutineCreationDuringComposition")
+@Composable
+fun CustomNavigationBar(navController: NavController) {
+    val sharedPref = PreferencesManager(LocalContext.current)
+    val user_role = sharedPref.getData("userRole", "user")
+    val listOfNavItems = remember { mutableStateListOf<NavItem>() }
+    when (user_role) {
+        "admin" -> {
+            listOfNavItems.clear()
+            listOfNavItems.addAll(listOfAdminNavItems)
+        }
+        "worker" -> {
+            listOfNavItems.clear()
+            listOfNavItems.addAll(listOfWorkerNavItems)
+        }
+        "user" -> {
+            listOfNavItems.clear()
+            listOfNavItems.addAll(listOfUserNavItems)
+        }
+    }
+
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .fillMaxHeight(0.1f)
+            .background(Color(212, 206, 203))
+    ) {
+        listOfNavItems.forEachIndexed { index, navItem ->
+            OutlinedButton(
+                modifier = Modifier
+                    .fillMaxHeight()
+                    .weight(1f),
+                onClick = {
+                    navController.navigate(navItem.route) {
+                        popUpTo(navController.graph.startDestinationId)
+                        launchSingleTop = true
+                    }
+                },
+                border = BorderStroke(4.dp, Color(222,161,69)),
+                shape = RoundedCornerShape(
+                    topStart = if (index == 0) 30.dp else 0.dp,
+                    topEnd = if (index == listOfNavItems.size - 1) 30.dp else 0.dp
+                ),
+                colors = ButtonDefaults.outlinedButtonColors(Color(255,186,83)),
+
+                ){
+                Icon(
+                    painterResource(id = navItem.icon),
+                    contentDescription = null,
+                    tint = Color.Black
+                )
+            }
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/ui/navigation/NavItems.kt

@@ -0,0 +1,78 @@
+package com.example.mobileapp.ui.navigation
+
+import com.example.mobileapp.R
+
+data class NavItem(
+    val label: String,
+    val icon: Int,
+    val route: String
+)
+
+val listOfAdminNavItems = listOf(
+    NavItem(
+        label = "Order",
+        icon = R.drawable.icon_order,
+        route = Screens.OrderScreen.name
+    ),
+    NavItem(
+        label = "Profile",
+        icon = R.drawable.icon_profile,
+        route = Screens.ProfileScreen.name
+    ),
+    NavItem(
+        label = "Menu",
+        icon = R.drawable.icon_menu,
+        route = Screens.MenuScreen.name
+    ),
+    NavItem(
+        label = "Cart",
+        icon = R.drawable.icon_cart,
+        route = Screens.CartScreen.name
+    ),
+    NavItem(
+        label = "Managment",
+        icon = R.drawable.icon_managment,
+        route = Screens.ManagmentScreen.name
+    ),
+)
+
+val listOfUserNavItems = listOf(
+    NavItem(
+        label = "Profile",
+        icon = R.drawable.icon_profile,
+        route = Screens.ProfileScreen.name
+    ),
+    NavItem(
+        label = "Menu",
+        icon = R.drawable.icon_menu,
+        route = Screens.MenuScreen.name
+    ),
+    NavItem(
+        label = "Cart",
+        icon = R.drawable.icon_cart,
+        route = Screens.CartScreen.name
+    ),
+)
+
+val listOfWorkerNavItems = listOf(
+    NavItem(
+        label = "Order",
+        icon = R.drawable.icon_order,
+        route = Screens.OrderScreen.name
+    ),
+    NavItem(
+        label = "Profile",
+        icon = R.drawable.icon_profile,
+        route = Screens.ProfileScreen.name
+    ),
+    NavItem(
+        label = "Menu",
+        icon = R.drawable.icon_menu,
+        route = Screens.MenuScreen.name
+    ),
+    NavItem(
+        label = "Cart",
+        icon = R.drawable.icon_cart,
+        route = Screens.CartScreen.name
+    ),
+)

app/src/main/java/com/example/mobileapp/ui/navigation/Screens.kt

@@ -0,0 +1,15 @@
+package com.example.mobileapp.ui.navigation
+
+enum class Screens {
+    CartScreen,
+    ManagmentScreen,
+    MenuScreen,
+    OrderScreen,
+    ProfileScreen,
+    AuthorizationScreen,
+    CreateProductScreen,
+    EditMenuScreen,
+    EditProductScreen,
+    RegistrationScreen,
+    UsersScreen,
+}

app/src/main/java/com/example/mobileapp/ui/screens/AuthorizationScreen.kt

@@ -0,0 +1,211 @@
+package com.example.mobileapp.ui.screens
+
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.material3.TextFieldDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.livedata.observeAsState
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.Font
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.input.TextFieldValue
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import com.example.mobileapp.data.sharedpref.PreferencesManager
+import com.example.mobileapp.R
+import com.example.mobileapp.ui.navigation.Screens
+import com.example.mobileapp.viewmodels.AuthorizationViewModel
+import com.example.mobileapp.ui.widgets.Header
+
+@Composable
+fun AuthorizationScreen(navController: NavController) {
+    Column (
+        modifier = Modifier.fillMaxSize(),
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        Header(Color.White)
+        AuthorizationCard(navController)
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun AuthorizationCard(navController: NavController){
+    val sharedPref = PreferencesManager(LocalContext.current)
+    val login = remember { mutableStateOf(TextFieldValue("")) }
+    val password = remember { mutableStateOf(TextFieldValue("")) }
+    val viewModel = hiltViewModel<AuthorizationViewModel>()
+    val success = viewModel.successState.observeAsState().value
+    if (success == true) {
+        navController.navigate(Screens.MenuScreen.name)
+    }
+
+    if (success == false) {
+        AlertDialog(
+            title = {
+                Text(
+                    text = "Ошибка авторизации",
+                    fontWeight = FontWeight.Bold,
+                    fontSize = 20.sp
+                )
+            },
+            text = {
+                Text(
+                    text = "Неверный логин или пароль",
+                    fontWeight = FontWeight.Normal,
+                    fontSize = 16.sp
+                )
+            },
+            onDismissRequest = {
+                viewModel.calmSuccessState()
+            },
+            confirmButton = {
+                TextButton(
+                    onClick = {
+                        viewModel.calmSuccessState()
+                    }
+                ) {
+                    Text("ОК")
+                }
+
+            }
+        )
+    }
+
+    Column(
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        Card(
+            shape = RoundedCornerShape(30.dp),
+            modifier = Modifier.padding(top = 30.dp)
+        ) {
+
+            Column (
+                horizontalAlignment = Alignment.CenterHorizontally,
+                modifier = Modifier
+                    .background(Color(212, 206, 203))
+                    .fillMaxWidth(0.9f)
+            ) {
+                Card(
+                    shape = RoundedCornerShape(90.dp, 90.dp, 30.dp, 30.dp),
+                    border = BorderStroke(4.dp, Color(222,161,69)),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(top = 30.dp, start = 20.dp, end = 20.dp)
+                ){
+                    Text(
+                        text = "Авторизация",
+                        color = Color.White,
+                        fontFamily = FontFamily(Font(R.font.nunito_bold)),
+                        fontSize = 30.sp,
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .background(Color(255, 186, 83))
+                            .padding(top = 20.dp, bottom = 20.dp),
+                        textAlign = TextAlign.Center,
+                    )
+                }
+
+                OutlinedTextField(
+                    value = login.value,
+                    onValueChange = {login.value = it},
+                    placeholder = { Text(text = "Логин", fontSize = 20.sp, color = Color.LightGray) },
+                    singleLine = true,
+
+                    shape = RoundedCornerShape(30.dp, 30.dp, 30.dp, 30.dp),
+                    textStyle = TextStyle(fontSize = 20.sp),
+                    colors = TextFieldDefaults.outlinedTextFieldColors(
+                        textColor = Color.Black,
+                        disabledTextColor = Color.Transparent,
+                        containerColor = Color.White,
+                        focusedBorderColor = Color.Yellow,
+                        unfocusedBorderColor = Color.Yellow,
+                    ),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(top = 20.dp, start = 20.dp, end = 20.dp),
+                )
+
+                OutlinedTextField(
+                    value = password.value,
+                    onValueChange = {password.value = it},
+                    placeholder = { Text(text = "Пароль", fontSize = 20.sp, color = Color.LightGray) },
+                    singleLine = true,
+                    shape = RoundedCornerShape(30.dp, 30.dp, 30.dp, 30.dp),
+                    textStyle = TextStyle(fontSize = 20.sp),
+                    colors = TextFieldDefaults.outlinedTextFieldColors(
+                        textColor = Color.Black,
+                        disabledTextColor = Color.Transparent,
+                        containerColor = Color.White,
+                        focusedBorderColor = Color(183,97,48),
+                        unfocusedBorderColor = Color(183,97,48),
+                    ),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(top = 20.dp, start = 20.dp, end = 20.dp),
+                )
+
+                Button(
+                    onClick = {
+                        viewModel.login(sharedPref, login.value.text, password.value.text)
+                    },
+                    colors = ButtonDefaults.buttonColors(Color(255,186,83), Color.White),
+                    shape = RoundedCornerShape(30.dp, 30.dp, 30.dp, 30.dp),
+                    border = BorderStroke(4.dp, Color(222,161,69)),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(top = 20.dp, start = 20.dp, end = 20.dp)
+                ) {
+                    Text(
+                        text = "Войти",
+                        color = Color.White,
+                        fontFamily = FontFamily(Font(R.font.nunito_bold)),
+                        fontSize = 30.sp,
+                        textAlign = TextAlign.Center,
+                    )
+                }
+
+                Button(
+                    onClick = {
+                        navController.navigate(Screens.RegistrationScreen.name)
+                    },
+                    colors = ButtonDefaults.buttonColors(Color(212,206,203)),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(top = 10.dp, start = 20.dp, end = 20.dp)
+                ) {
+                    Text(
+                        text = "Создать аккаунт",
+                        color = Color.White,
+                        fontFamily = FontFamily(Font(R.font.nunito_bold)),
+                        fontSize = 20.sp,
+                        textAlign = TextAlign.Center,
+                    )
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/ui/screens/CartScreen.kt

@@ -0,0 +1,279 @@
+package com.example.mobileapp.ui.screens
+
+import android.annotation.SuppressLint
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.livedata.observeAsState
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.font.Font
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
+import com.example.mobileapp.data.sharedpref.PreferencesManager
+import com.example.mobileapp.R
+import com.example.mobileapp.data.db.models.OrderProductWithProduct
+import com.example.mobileapp.data.db.models.OrderWithProducts
+import com.example.mobileapp.viewmodels.CartViewModel
+import com.example.mobileapp.ui.widgets.Header
+
+@Composable
+fun CartScreen(){
+    Column (
+        modifier = Modifier.fillMaxSize(),
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        Header(Color(212, 206, 203))
+        CartCard()
+    }
+}
+
+@SuppressLint("CoroutineCreationDuringComposition")
+@Composable
+fun CartCard(){
+    val sharedPref = PreferencesManager(LocalContext.current)
+    val searchToken = sharedPref.getData("token", "")
+    val cartViewModel: CartViewModel = hiltViewModel<CartViewModel>()
+    cartViewModel.getCart(searchToken)
+    val cart: OrderWithProducts? = cartViewModel.cart.observeAsState().value
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(Color(212, 206, 203)),
+        horizontalAlignment = Alignment.CenterHorizontally,
+        ) {
+        Column(
+            modifier = Modifier
+                .fillMaxHeight()
+                .fillMaxWidth(0.9f)
+                .background(Color.White),
+            horizontalAlignment = Alignment.CenterHorizontally,
+        ) {
+            Text(
+                text = "Корзина",
+                color = Color.Black,
+                fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                fontSize = 34.sp,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(top = 10.dp),
+                textAlign = TextAlign.Center,
+            )
+
+            if (cart != null && cart.orderWithProducts.size != 0) {
+                LazyColumn(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                ){
+                    items(cart.orderWithProducts.size) { index ->
+                        CartProductCard(cartViewModel, cart.orderWithProducts[index])
+                    }
+                }
+                Card(
+                    shape = RoundedCornerShape(20.dp),
+                    border = BorderStroke(3.dp, Color(222,161,69)),
+                    modifier = Modifier
+                        .padding(top = 15.dp, start = 5.dp, end = 5.dp)
+                ){
+                    Row(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .background(Color.White),
+                        horizontalArrangement = Arrangement.SpaceBetween,
+                        verticalAlignment = Alignment.CenterVertically,
+                    ){
+                        Text(
+                            text = "Итого: " + cart.order.price.toString() + " р.",
+                            color = Color.Black,
+                            fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                            fontSize = 20.sp,
+                            textAlign = TextAlign.Center,
+                            modifier = Modifier.padding(start = 5.dp),
+                        )
+
+                        OutlinedButton(
+                            onClick = {
+                                cartViewModel.makeOrder(searchToken)
+                            },
+                            border = BorderStroke(4.dp, Color(222,161,69)),
+                            shape = RoundedCornerShape(20.dp),
+                            colors = ButtonDefaults.outlinedButtonColors(Color(255,186,83)),
+                            modifier = Modifier.padding(5.dp)
+                        ) {
+                            Text(text = "Заказать", fontSize = 20.sp, color = Color.White)
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun CartProductCard(
+    cartViewModel: CartViewModel,
+    product: OrderProductWithProduct
+){
+    val sharedPref = PreferencesManager(LocalContext.current)
+    val searchToken = sharedPref.getData("token", "")
+    var amountProduct by remember { mutableStateOf(product.orderProduct.amount)}
+
+    Card(
+        shape = RoundedCornerShape(20.dp),
+        border = BorderStroke(3.dp, Color(222,161,69)),
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(top = 15.dp, start = 5.dp, end = 5.dp)
+    ){
+        Row(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(Color.White),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.SpaceEvenly,
+        ){
+            CartProductImageCard(product.product.categoryId)
+
+            Column (
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.SpaceAround
+            ) {
+                Text(
+                    text = product.product.name,
+                    color = Color.Black,
+                    fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                    fontSize = 17.sp,
+                    textAlign = TextAlign.Center,
+                )
+                Text(
+                    text = product.product.price.toString() + " р.",
+                    color = Color.Black,
+                    fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                    fontSize = 17.sp,
+                    textAlign = TextAlign.Center,
+                )
+                Row(
+                    verticalAlignment = Alignment.CenterVertically,
+                    horizontalArrangement = Arrangement.Center,
+                    modifier = Modifier
+                        .fillMaxWidth(0.8f)
+                ){
+                    OutlinedButton(
+                        modifier = Modifier
+                            .fillMaxHeight(),
+                        onClick = {
+                            cartViewModel.removeProductFromOrder(searchToken, product.product.id!!)
+                            amountProduct -= 1
+                        },
+                        border = BorderStroke(4.dp, Color(222,161,69)),
+                        shape = RoundedCornerShape(topStart = 30.dp, bottomStart = 30.dp),
+                        colors = ButtonDefaults.outlinedButtonColors(Color(255,186,83)),
+                    ) {
+                        Text(text = "-", fontSize = 20.sp, color = Color.Black)
+                    }
+
+                    Card(
+                        modifier = Modifier
+                            .fillMaxHeight(),
+                        border = BorderStroke(3.dp, Color(222,161,69)),
+                        shape = RoundedCornerShape(0.dp),
+                    ){
+                        Text(
+                            modifier = Modifier
+                                .background(Color.White)
+                                .fillMaxHeight()
+                                .padding(
+                                    start = 20.dp,
+                                    end = 20.dp,
+                                    top = 7.dp,
+                                    bottom = 7.dp
+                                ),
+                            text = amountProduct.toString(),
+                            color = Color.Black,
+                            fontFamily = FontFamily(Font(R.font.nunito_bold)),
+                            fontSize = 20.sp,
+                            textAlign = TextAlign.Center,
+                        )
+                    }
+
+                    OutlinedButton(
+                        modifier = Modifier
+                            .fillMaxHeight(),
+                        onClick = {
+                            cartViewModel.addProductToOrder(searchToken, product.product.id!!)
+                            amountProduct += 1
+                        },
+                        border = BorderStroke(4.dp, Color(222,161,69)),
+                        shape = RoundedCornerShape(topEnd = 30.dp, bottomEnd = 30.dp),
+                        colors = ButtonDefaults.outlinedButtonColors(Color(255,186,83)),
+                    ) {
+                        Text(text = "+", fontSize = 20.sp, color = Color.Black)
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun CartProductImageCard(categoryId : Int){
+    if (categoryId == 1){
+        Image(
+            painterResource(
+                id = R.drawable.burger
+            ),
+            contentDescription = null,
+            modifier = Modifier
+                .size(100.dp, 100.dp)
+                .padding(5.dp),
+        )
+    }
+    if (categoryId == 2){
+        Image(
+            painterResource(
+                id = R.drawable.potato
+            ),
+            contentDescription = null,
+            modifier = Modifier
+                .size(100.dp, 100.dp)
+                .padding(5.dp),
+        )
+    }
+    if (categoryId == 3){
+        Image(
+            painterResource(
+                id = R.drawable.pepsi
+            ),
+            contentDescription = null,
+            modifier = Modifier
+                .size(100.dp, 100.dp)
+                .padding(5.dp),
+        )
+    }
+}

app/src/main/java/com/example/mobileapp/ui/screens/CreateProductScreen.kt

@@ -0,0 +1,218 @@
+package com.example.mobileapp.ui.screens
+
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExposedDropdownMenuBox
+import androidx.compose.material3.ExposedDropdownMenuDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.material3.TextFieldDefaults
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.livedata.observeAsState
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.Font
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.input.TextFieldValue
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import com.example.mobileapp.data.sharedpref.PreferencesManager
+import com.example.mobileapp.R
+import com.example.mobileapp.ui.navigation.Screens
+import com.example.mobileapp.viewmodels.ProductViewModel
+import com.example.mobileapp.ui.widgets.Header
+
+@Composable
+fun CreateProductScreen(navController: NavController){
+    Column (
+        modifier = Modifier.fillMaxSize(),
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        Header(Color(212, 206, 203))
+        CreateProductCard(navController)
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CreateProductCard(navController: NavController){
+    val sharedPref = PreferencesManager(LocalContext.current)
+    val searchToken = sharedPref.getData("token", "")
+    val productViewModel: ProductViewModel = hiltViewModel<ProductViewModel>()
+    val title = remember { mutableStateOf(TextFieldValue("")) }
+    val price = remember { mutableStateOf(TextFieldValue("")) }
+    val categoryList = remember { mutableStateListOf(productViewModel.categories) }
+    var selectedCategory by remember { mutableStateOf("") }
+    var expanded by remember { mutableStateOf(false) }
+    val success = productViewModel.successState.observeAsState().value
+
+    if (success == true) {
+        navController.navigate(Screens.ManagmentScreen.name)
+    }
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(Color(212, 206, 203)),
+        horizontalAlignment = Alignment.CenterHorizontally,
+        ) {
+        Column(
+            modifier = Modifier
+                .fillMaxHeight()
+                .fillMaxWidth(0.9f)
+                .background(Color.White),
+            horizontalAlignment = Alignment.CenterHorizontally,
+        ) {
+            Text(
+                text = "Создание блюда",
+                color = Color.Black,
+                fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                fontSize = 34.sp,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(top = 10.dp),
+                textAlign = TextAlign.Center,
+            )
+            Card(
+                shape = RoundedCornerShape(20.dp),
+                border = BorderStroke(3.dp, Color(222,161,69)),
+                modifier = Modifier
+                    .padding(top = 15.dp, start = 5.dp, end = 5.dp)
+            ){
+                Column (
+                    modifier = Modifier.background(Color.White)
+                ) {
+                    OutlinedTextField(
+                        value = title.value,
+                        onValueChange = {title.value = it},
+                        placeholder = { Text(text = "Название", fontSize = 20.sp, color = Color.LightGray) },
+                        singleLine = true,
+
+                        shape = RoundedCornerShape(20.dp),
+                        textStyle = TextStyle(fontSize = 20.sp),
+                        colors = TextFieldDefaults.outlinedTextFieldColors(
+                            textColor = Color.Black,
+                            disabledTextColor = Color.Transparent,
+                            containerColor = Color.White,
+                            focusedBorderColor = Color(222,161,69),
+                            unfocusedBorderColor = Color(222,161,69),
+                        ),
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(top = 20.dp, start = 20.dp, end = 20.dp),
+                    )
+                    Card(
+                        shape = RoundedCornerShape(20.dp),
+                        border = BorderStroke(1.dp, Color(222,161,69)),
+                        modifier = Modifier.fillMaxWidth().padding(top = 20.dp, start = 20.dp, end = 20.dp),
+                    ){
+                        MaterialTheme(
+                            colorScheme = lightColorScheme(
+                                surfaceVariant= Color.White,
+                                surface = Color.White,
+                                onSurface = Color.Gray
+                            )
+                        ){
+                            ExposedDropdownMenuBox(
+                                expanded = expanded,
+                                onExpandedChange = {
+                                    expanded = !expanded
+                                },
+                            ) {
+                                TextField(
+                                    modifier = Modifier
+                                        .menuAnchor().fillMaxWidth(),
+                                    readOnly = true,
+                                    value = selectedCategory,
+                                    onValueChange = {},
+                                    label = { Text("Категория") },
+                                    trailingIcon = { ExposedDropdownMenuDefaults.TrailingIcon(expanded = expanded) },
+                                )
+
+                                ExposedDropdownMenu(
+                                    expanded = expanded,
+                                    onDismissRequest = {
+                                        expanded = false
+                                    },
+                                ) {
+                                    categoryList.first().forEach { selectionOption ->
+                                        DropdownMenuItem(
+                                            text = { Text(selectionOption.name) },
+                                            onClick = {
+                                                selectedCategory = selectionOption.name
+                                                expanded = false
+                                            },
+                                            contentPadding = ExposedDropdownMenuDefaults.ItemContentPadding,
+                                        )
+                                    }
+                                }
+                            }
+                        }
+                    }
+                    OutlinedTextField(
+                        value = price.value,
+                        onValueChange = {price.value = it},
+                        placeholder = { Text(text = "Цена", fontSize = 20.sp, color = Color.LightGray) },
+                        singleLine = true,
+
+                        shape = RoundedCornerShape(20.dp),
+                        textStyle = TextStyle(fontSize = 20.sp),
+                        colors = TextFieldDefaults.outlinedTextFieldColors(
+                            textColor = Color.Black,
+                            disabledTextColor = Color.Transparent,
+                            containerColor = Color.White,
+                            focusedBorderColor = Color(222,161,69),
+                            unfocusedBorderColor = Color(222,161,69),
+                        ),
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(top = 20.dp, start = 20.dp, end = 20.dp),
+                    )
+                    OutlinedButton(
+                        onClick = {
+                            productViewModel.addProduct(title.value.text, selectedCategory, price.value.text, searchToken)
+                        },
+                        border = BorderStroke(4.dp, Color(222,161,69)),
+                        shape = RoundedCornerShape(20.dp),
+                        colors = ButtonDefaults.outlinedButtonColors(Color(255,186,83)),
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(20.dp),
+                    ) {
+                        Text(
+                            text = "Сохранить",
+                            fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                            fontSize = 30.sp,
+                            color = Color.White
+                        )
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/ui/screens/EditMenuScreen.kt

@@ -0,0 +1,240 @@
+package com.example.mobileapp.ui.screens
+
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.Icon
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.font.Font
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import androidx.paging.compose.collectAsLazyPagingItems
+import androidx.paging.compose.itemKey
+import com.example.mobileapp.data.sharedpref.PreferencesManager
+import com.example.mobileapp.R
+import com.example.mobileapp.data.db.models.Category
+import com.example.mobileapp.data.db.models.Product
+import com.example.mobileapp.ui.navigation.Screens
+import com.example.mobileapp.viewmodels.MenuViewModel
+import com.example.mobileapp.ui.widgets.Header
+
+@Composable
+fun EditMenuScreen(navController: NavController){
+    Column (
+        modifier = Modifier.fillMaxSize(),
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        Header(Color(212, 206, 203))
+        EditMenuCard(navController)
+    }
+}
+
+@Composable
+fun EditMenuCard(navController: NavController){
+    val sharedPref = PreferencesManager(LocalContext.current)
+    val searchToken = sharedPref.getData("token", "")
+    val menuViewModel: MenuViewModel = hiltViewModel<MenuViewModel>()
+    val categoryListUi = menuViewModel.getCategoriesList(searchToken).collectAsLazyPagingItems()
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(Color(212, 206, 203)),
+        horizontalAlignment = Alignment.CenterHorizontally,
+
+        ) {
+        Column(
+            modifier = Modifier
+                .fillMaxHeight()
+                .fillMaxWidth(0.9f)
+                .background(Color.White),
+
+            horizontalAlignment = Alignment.CenterHorizontally,
+        ) {
+            LazyColumn() {
+                items(
+                    count = categoryListUi.itemCount,
+                    key = categoryListUi.itemKey()
+                ){ index ->
+                    EditMenuCategoryProductsCard(navController, menuViewModel, categoryListUi[index]!!, searchToken)
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun EditMenuCategoryProductsCard(
+    navController: NavController,
+    menuViewModel: MenuViewModel,
+    category: Category,
+    searchToken: String
+){
+    val productListUiState = menuViewModel.getProductsByCategoryId(category.id!!, searchToken).collectAsState(initial = listOf())
+
+    if (productListUiState.value!= null){
+        Text(
+            text = category.name,
+            color = Color.Black,
+            fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+            fontSize = 34.sp,
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(top = 10.dp),
+            textAlign = TextAlign.Center,
+        )
+
+        Column {
+            productListUiState.value!!.forEach{product ->
+                EditMenuProductsCard(navController, menuViewModel, product, category, searchToken)
+            }
+        }
+    }
+}
+
+@Composable
+fun EditMenuProductsCard(
+    navController: NavController,
+    menuViewModel: MenuViewModel,
+    product: Product,
+    category: Category,
+    searchToken: String
+){
+    Card(
+        shape = RoundedCornerShape(20.dp),
+        border = BorderStroke(3.dp, Color(222,161,69)),
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(top = 15.dp, start = 5.dp, end = 5.dp)
+    ){
+        Row(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(Color.White),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.SpaceEvenly,
+        ){
+            EditMenuProductImageCard(category.name)
+
+            Column (
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.SpaceAround
+            ) {
+                Text(
+                    text = product.name,
+                    color = Color.Black,
+                    fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                    fontSize = 17.sp,
+                    textAlign = TextAlign.Center,
+                )
+                Row(
+                    verticalAlignment = Alignment.CenterVertically,
+                    horizontalArrangement = Arrangement.spacedBy(10.dp),
+                ){
+                    Text(
+                        text = product.price.toString() + " р.",
+                        color = Color.Black,
+                        fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                        fontSize = 17.sp,
+                        textAlign = TextAlign.Center,
+                    )
+                    OutlinedButton(
+                        onClick = {
+                            navController.navigate(Screens.EditProductScreen.name + "/${product.id}")
+                        },
+                        border = BorderStroke(4.dp, Color(222,161,69)),
+                        shape = RoundedCornerShape(10.dp),
+                        colors = ButtonDefaults.outlinedButtonColors(Color(255,186,83)),
+
+                        ){
+                        Icon(
+                            painterResource(id = R.drawable.icon_settings),
+                            contentDescription = null,
+                            Modifier.size(30.dp),
+                            tint = Color.Black
+                        )
+                    }
+
+                    OutlinedButton(
+                        onClick = {
+                            menuViewModel.deleteProduct(product, searchToken)
+                            navController.navigate(Screens.EditMenuScreen.name)
+                        },
+                        border = BorderStroke(4.dp, Color(222,161,69)),
+                        shape = RoundedCornerShape(10.dp),
+                        colors = ButtonDefaults.outlinedButtonColors(Color(255,186,83)),
+
+                        ){
+                        Icon(
+                            painterResource(id = R.drawable.icon_trash),
+                            contentDescription = null,
+                            Modifier.size(30.dp),
+                            tint = Color.Black
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun EditMenuProductImageCard(categoryName : String){
+    if (categoryName == "Бургеры"){
+        Image(
+            painterResource(
+                id = R.drawable.burger
+            ),
+            contentDescription = null,
+            modifier = Modifier
+                .size(100.dp, 100.dp)
+                .padding(5.dp),
+        )
+    }
+    if (categoryName == "Картошка"){
+        Image(
+            painterResource(
+                id = R.drawable.potato
+            ),
+            contentDescription = null,
+            modifier = Modifier
+                .size(100.dp, 100.dp)
+                .padding(5.dp),
+        )
+    }
+    if (categoryName == "Напитки"){
+        Image(
+            painterResource(
+                id = R.drawable.pepsi
+            ),
+            contentDescription = null,
+            modifier = Modifier
+                .size(100.dp, 100.dp)
+                .padding(5.dp),
+        )
+    }
+}

app/src/main/java/com/example/mobileapp/ui/screens/EditProductScreen.kt

@@ -0,0 +1,240 @@
+package com.example.mobileapp.ui.screens
+
+import android.annotation.SuppressLint
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExposedDropdownMenuBox
+import androidx.compose.material3.ExposedDropdownMenuDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.material3.TextFieldDefaults
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.livedata.observeAsState
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.Font
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.input.TextFieldValue
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import com.example.mobileapp.data.sharedpref.PreferencesManager
+import com.example.mobileapp.R
+import com.example.mobileapp.data.db.models.Product
+import com.example.mobileapp.ui.navigation.Screens
+import com.example.mobileapp.viewmodels.ProductViewModel
+import com.example.mobileapp.ui.widgets.Header
+
+@Composable
+fun EditProductScreen(navController: NavController, id: Int){
+    Column (
+        modifier = Modifier.fillMaxSize(),
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        Header(Color(212, 206, 203))
+        EditProductCard(navController, id)
+    }
+}
+
+@SuppressLint("CoroutineCreationDuringComposition")
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun EditProductCard(navController: NavController, productId : Int){
+    val sharedPref = PreferencesManager(LocalContext.current)
+    val searchToken = sharedPref.getData("token", "")
+    val productViewModel: ProductViewModel = hiltViewModel<ProductViewModel>()
+    productViewModel.getProduct(productId, searchToken)
+    val currentProduct = remember { mutableStateOf<Product?>(null) }
+    val title = remember { mutableStateOf(TextFieldValue("")) }
+    val price = remember { mutableStateOf(TextFieldValue("")) }
+    val categoryList = remember { mutableStateListOf(productViewModel.categories) }
+    var selectedCategory by remember { mutableStateOf("") }
+    var expanded by remember { mutableStateOf(false) }
+    val success = productViewModel.successState.observeAsState().value
+
+    if (productViewModel.product.value != null){
+        currentProduct.value = productViewModel.product.value!!
+        title.value = TextFieldValue(productViewModel.product.value!!.name)
+        price.value = TextFieldValue(productViewModel.product.value!!.price.toString())
+        selectedCategory = productViewModel.getProductCategory(productViewModel.product.value!!.categoryId)
+    }
+
+    if (success == true) {
+        navController.navigate(Screens.EditMenuScreen.name)
+    }
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(Color(212, 206, 203)),
+        horizontalAlignment = Alignment.CenterHorizontally,
+
+        ) {
+        Column(
+            modifier = Modifier
+                .fillMaxHeight()
+                .fillMaxWidth(0.9f)
+                .background(Color.White),
+
+            horizontalAlignment = Alignment.CenterHorizontally,
+        ) {
+            Text(
+                text = "Редактирование блюда",
+                color = Color.Black,
+                fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                fontSize = 34.sp,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(top = 10.dp),
+                textAlign = TextAlign.Center,
+            )
+            Card(
+                shape = RoundedCornerShape(20.dp),
+                border = BorderStroke(3.dp, Color(222,161,69)),
+                modifier = Modifier
+                    .padding(top = 15.dp, start = 5.dp, end = 5.dp)
+            ){
+                Column (
+                    modifier = Modifier.background(Color.White)
+                ) {
+                    OutlinedTextField(
+                        value = title.value,
+                        onValueChange = {title.value = it},
+                        placeholder = { Text(text = "Название", fontSize = 20.sp, color = Color.LightGray) },
+                        singleLine = true,
+
+                        shape = RoundedCornerShape(20.dp),
+                        textStyle = TextStyle(fontSize = 20.sp),
+                        colors = TextFieldDefaults.outlinedTextFieldColors(
+                            textColor = Color.Black,
+                            disabledTextColor = Color.Transparent,
+                            containerColor = Color.White,
+                            focusedBorderColor = Color(222,161,69),
+                            unfocusedBorderColor = Color(222,161,69),
+                        ),
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(top = 20.dp, start = 20.dp, end = 20.dp),
+                    )
+                    Card(
+                        shape = RoundedCornerShape(20.dp),
+                        border = BorderStroke(1.dp, Color(222,161,69)),
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(top = 20.dp, start = 20.dp, end = 20.dp),
+                    ){
+                        MaterialTheme(
+                            colorScheme = lightColorScheme(
+                                surfaceVariant= Color.White,
+                                surface = Color.White,
+                                onSurface = Color.Gray
+                            )
+                        ){
+                            ExposedDropdownMenuBox(
+                                expanded = expanded,
+                                onExpandedChange = {
+                                    expanded = !expanded
+                                },
+                            ) {
+                                TextField(
+                                    modifier = Modifier
+                                        .menuAnchor()
+                                        .fillMaxWidth(),
+                                    readOnly = true,
+                                    value = selectedCategory,
+                                    onValueChange = {},
+                                    label = { Text("Категория") },
+                                    trailingIcon = { ExposedDropdownMenuDefaults.TrailingIcon(expanded = expanded) },
+                                )
+
+                                ExposedDropdownMenu(
+                                    expanded = expanded,
+                                    onDismissRequest = {
+                                        expanded = false
+                                    },
+                                ) {
+                                    categoryList.first().forEach { selectionOption ->
+                                        DropdownMenuItem(
+                                            text = { Text(selectionOption.name) },
+                                            onClick = {
+                                                selectedCategory = selectionOption.name
+                                                expanded = false
+                                            },
+                                            contentPadding = ExposedDropdownMenuDefaults.ItemContentPadding,
+                                        )
+                                    }
+                                }
+                            }
+                        }
+                    }
+                    OutlinedTextField(
+                        value = price.value,
+                        onValueChange = {price.value = it},
+                        placeholder = { Text(text = "Цена", fontSize = 20.sp, color = Color.LightGray) },
+                        singleLine = true,
+                        shape = RoundedCornerShape(20.dp),
+                        textStyle = TextStyle(fontSize = 20.sp),
+                        colors = TextFieldDefaults.outlinedTextFieldColors(
+                            textColor = Color.Black,
+                            disabledTextColor = Color.Transparent,
+                            containerColor = Color.White,
+                            focusedBorderColor = Color(222,161,69),
+                            unfocusedBorderColor = Color(222,161,69),
+                        ),
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(top = 20.dp, start = 20.dp, end = 20.dp),
+                    )
+
+                    OutlinedButton(
+                        onClick = {
+                            productViewModel.updateProduct(
+                                currentProduct.value?.id!!,
+                                title.value.text,
+                                selectedCategory,
+                                price.value.text,
+                                searchToken)
+                        },
+                        border = BorderStroke(4.dp, Color(222,161,69)),
+                        shape = RoundedCornerShape(20.dp),
+                        colors = ButtonDefaults.outlinedButtonColors(Color(255,186,83)),
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(20.dp),
+                    ) {
+                        Text(
+                            text = "Сохранить",
+                            fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                            fontSize = 30.sp,
+                            color = Color.White
+                        )
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/ui/screens/ManagmentScreen.kt

@@ -0,0 +1,148 @@
+package com.example.mobileapp.ui.screens
+
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Icon
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.font.Font
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.navigation.NavController
+import com.example.mobileapp.R
+import com.example.mobileapp.ui.navigation.Screens
+import com.example.mobileapp.ui.widgets.Header
+
+@Composable
+fun ManagmentScreen(navController: NavController){
+    Column (
+        modifier = Modifier.fillMaxSize(),
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        Header(Color(212, 206, 203))
+        ManagmentCard(navController)
+    }
+}
+
+@Composable
+fun ManagmentCard(navController: NavController){
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(Color(212, 206, 203)),
+        horizontalAlignment = Alignment.CenterHorizontally,
+
+    ) {
+        Column(
+            modifier = Modifier
+                .fillMaxHeight()
+                .fillMaxWidth(0.9f)
+                .background(Color.White),
+            horizontalAlignment = Alignment.CenterHorizontally,
+        ) {
+            Text(
+                text = "Блюда",
+                color = Color.Black,
+                fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                fontSize = 34.sp,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(top = 10.dp),
+                textAlign = TextAlign.Center,
+            )
+            Row(
+                horizontalArrangement = Arrangement.spacedBy(5.dp),
+                modifier = Modifier.padding(top = 10.dp),
+            ){
+                OutlinedButton(
+                    onClick = {
+                        navController.navigate(Screens.CreateProductScreen.name)
+                    },
+                    border = BorderStroke(4.dp, Color(222,161,69)),
+                    shape = RoundedCornerShape(20.dp),
+                    colors = ButtonDefaults.outlinedButtonColors(Color(255,186,83)),
+
+                    ){
+                    Icon(
+                        painterResource(id = R.drawable.icon_add),
+                        contentDescription = null,
+                        Modifier.size(50.dp),
+                        tint = Color.Black
+                    )
+                }
+
+                OutlinedButton(
+                    onClick = {
+                        navController.navigate(Screens.EditMenuScreen.name)
+                    },
+                    border = BorderStroke(4.dp, Color(222,161,69)),
+                    shape = RoundedCornerShape(20.dp),
+                    colors = ButtonDefaults.outlinedButtonColors(Color(255,186,83)),
+
+                    ){
+                    Icon(
+                        painterResource(id = R.drawable.icon_settings),
+                        contentDescription = null,
+                        Modifier.size(50.dp),
+                        tint = Color.Black
+                    )
+                }
+            }
+            Text(
+                text = "Пользователи",
+                color = Color.Black,
+                fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                fontSize = 34.sp,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(top = 10.dp),
+                textAlign = TextAlign.Center,
+            )
+            OutlinedButton(
+                onClick = {
+                    navController.navigate(Screens.UsersScreen.name)
+                },
+                border = BorderStroke(4.dp, Color(222,161,69)),
+                shape = RoundedCornerShape(20.dp),
+                colors = ButtonDefaults.outlinedButtonColors(Color(255,186,83)),
+                modifier = Modifier.padding(top = 10.dp)
+                ){
+                Icon(
+                    painterResource(id = R.drawable.icon_profile),
+                    contentDescription = null,
+                    Modifier.size(50.dp),
+                    tint = Color.Black
+                )
+                Icon(
+                    painterResource(id = R.drawable.icon_order),
+                    contentDescription = null,
+                    Modifier.size(50.dp),
+                    tint = Color.Black
+                )
+                Icon(
+                    painterResource(id = R.drawable.icon_managment),
+                    contentDescription = null,
+                    Modifier.size(50.dp),
+                    tint = Color.Black
+                )
+            }
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/ui/screens/MenuScreen.kt

@@ -0,0 +1,213 @@
+package com.example.mobileapp.ui.screens
+
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.font.Font
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.paging.compose.collectAsLazyPagingItems
+import androidx.paging.compose.itemKey
+import com.example.mobileapp.data.sharedpref.PreferencesManager
+import com.example.mobileapp.R
+import com.example.mobileapp.data.db.models.Category
+import com.example.mobileapp.data.db.models.Product
+import com.example.mobileapp.viewmodels.MenuViewModel
+import com.example.mobileapp.ui.widgets.Header
+
+@Composable
+fun MenuScreen(){
+    Column (
+        modifier = Modifier.fillMaxSize(),
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        Header(Color(212, 206, 203))
+        MenuCard()
+    }
+}
+
+@Composable
+fun MenuCard(){
+    val sharedPref = PreferencesManager(LocalContext.current)
+    val searchToken = sharedPref.getData("token", "")
+    val menuViewModel: MenuViewModel = hiltViewModel<MenuViewModel>()
+    val categoryListUi = menuViewModel.getCategoriesList(searchToken).collectAsLazyPagingItems()
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(Color(212, 206, 203)),
+        horizontalAlignment = Alignment.CenterHorizontally,
+
+        ) {
+        Column(
+            modifier = Modifier
+                .fillMaxHeight()
+                .fillMaxWidth(0.9f)
+                .background(Color.White),
+
+            horizontalAlignment = Alignment.CenterHorizontally,
+        ) {
+            LazyColumn() {
+                items(
+                    count = categoryListUi.itemCount,
+                    key = categoryListUi.itemKey()
+                ){ index ->
+                    MenuCategoryProductsCard(menuViewModel, categoryListUi[index]!!, searchToken)
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun MenuCategoryProductsCard(
+    menuViewModel: MenuViewModel,
+    category: Category,
+    searchToken: String
+){
+    val productListUiState = menuViewModel.getProductsByCategoryId(category.id!!, searchToken).collectAsState(initial = listOf())
+
+    if (productListUiState.value != null){
+        Text(
+            text = category.name,
+            color = Color.Black,
+            fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+            fontSize = 34.sp,
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(top = 10.dp),
+            textAlign = TextAlign.Center,
+        )
+
+        Column {
+            productListUiState.value!!.forEach{product ->
+                MenuProductsCard(menuViewModel, product, category, searchToken)
+            }
+        }
+    }
+}
+
+@Composable
+fun MenuProductsCard(
+    menuViewModel: MenuViewModel,
+    product: Product,
+    category: Category,
+    searchToken: String
+){
+    val sharedPref = PreferencesManager(LocalContext.current)
+    val userId = sharedPref.getData("userId", "").toInt()
+    Card(
+        shape = RoundedCornerShape(20.dp),
+        border = BorderStroke(3.dp, Color(222,161,69)),
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(top = 15.dp, start = 5.dp, end = 5.dp)
+    ){
+        Row(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(Color.White),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.SpaceEvenly,
+        ){
+            MenuProductImageCard(category.name)
+
+            Column (
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.SpaceAround
+            ) {
+                Text(
+                    text = product.name,
+                    color = Color.Black,
+                    fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                    fontSize = 17.sp,
+                    textAlign = TextAlign.Center,
+                )
+                Row(
+                    verticalAlignment = Alignment.CenterVertically,
+                    horizontalArrangement = Arrangement.spacedBy(10.dp),
+                ){
+                    Text(
+                        text = product.price.toString() + " р.",
+                        color = Color.Black,
+                        fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                        fontSize = 17.sp,
+                        textAlign = TextAlign.Center,
+                    )
+                    OutlinedButton(
+                        onClick = {
+                            menuViewModel.addProductToCart(product.id!!, userId, searchToken)
+                        },
+                        border = BorderStroke(4.dp, Color(222,161,69)),
+                        shape = RoundedCornerShape(30.dp),
+                        colors = ButtonDefaults.outlinedButtonColors(Color(255,186,83)),
+                    ) {
+                        Text(text = "+", fontSize = 20.sp, color = Color.Black)
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun MenuProductImageCard(categoryName : String){
+    if (categoryName == "Бургеры"){
+        Image(
+            painterResource(
+                id = R.drawable.burger
+            ),
+            contentDescription = null,
+            modifier = Modifier
+                .size(100.dp, 100.dp)
+                .padding(5.dp),
+        )
+    }
+    if (categoryName == "Картошка"){
+        Image(
+            painterResource(
+                id = R.drawable.potato
+            ),
+            contentDescription = null,
+            modifier = Modifier
+                .size(100.dp, 100.dp)
+                .padding(5.dp),
+        )
+    }
+    if (categoryName == "Напитки"){
+        Image(
+            painterResource(
+                id = R.drawable.pepsi
+            ),
+            contentDescription = null,
+            modifier = Modifier
+                .size(100.dp, 100.dp)
+                .padding(5.dp),
+        )
+    }
+}

app/src/main/java/com/example/mobileapp/ui/screens/OrderScreen.kt

@@ -0,0 +1,204 @@
+package com.example.mobileapp.ui.screens
+
+import android.annotation.SuppressLint
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.Font
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.paging.compose.collectAsLazyPagingItems
+import androidx.paging.compose.itemKey
+import com.example.mobileapp.data.sharedpref.PreferencesManager
+import com.example.mobileapp.R
+import com.example.mobileapp.data.db.models.OrderWithProducts
+import com.example.mobileapp.viewmodels.OrderViewModel
+import com.example.mobileapp.ui.widgets.Header
+import kotlinx.coroutines.launch
+
+@Composable
+fun OrderScreen(){
+    Column (
+        modifier = Modifier.fillMaxSize(),
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        Header(Color(212, 206, 203))
+        OrdersCard()
+    }
+}
+
+@SuppressLint("CoroutineCreationDuringComposition")
+@Composable
+fun OrdersCard(){
+    val sharedPref = PreferencesManager(LocalContext.current)
+    val searchToken = sharedPref.getData("token", "")
+    val orderViewModel: OrderViewModel = hiltViewModel<OrderViewModel>()
+    val orderListUiState = orderViewModel.getOrdersList(searchToken).collectAsLazyPagingItems()
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(Color(212, 206, 203)),
+        horizontalAlignment = Alignment.CenterHorizontally,
+
+        ) {
+        Column(
+            modifier = Modifier
+                .fillMaxHeight()
+                .fillMaxWidth(0.9f)
+                .background(Color.White),
+
+            horizontalAlignment = Alignment.CenterHorizontally,
+        ) {
+            Text(
+                text = "Заказы",
+                color = Color.Black,
+                fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                fontSize = 34.sp,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(top = 10.dp),
+                textAlign = TextAlign.Center,
+            )
+            if (orderListUiState != null){
+                LazyColumn(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                ) {
+                    items(
+                        count = orderListUiState.itemCount,
+                        key = orderListUiState.itemKey()
+                    ){ index ->
+                        if (orderListUiState[index] != null){
+                            OrderCard(orderListUiState[index]!!, orderViewModel)
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+@SuppressLint("CoroutineCreationDuringComposition")
+@Composable
+fun OrderCard(
+    order: OrderWithProducts,
+    orderViewModel: OrderViewModel
+){
+    val sharedPref = PreferencesManager(LocalContext.current)
+    val searchToken = sharedPref.getData("token", "")
+    val scope = rememberCoroutineScope()
+    var status by remember { mutableStateOf("")}
+    scope.launch {
+        status = orderViewModel.getOrderStatus(order.order.statusId!!)
+    }
+    Card(
+        shape = RoundedCornerShape(20.dp),
+        border = BorderStroke(3.dp, Color(222,161,69)),
+        modifier = Modifier
+            .padding(top = 15.dp, start = 5.dp, end = 5.dp)
+    ){
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .background(Color.White),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.SpaceEvenly,
+        ){
+            Text(
+                text = "№" + order.order.id,
+                color = Color.Black,
+                fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                fontSize = 34.sp,
+                textAlign = TextAlign.Center,
+            )
+            Text(
+                text = "Статус: " + status,
+                color = Color.Black,
+                fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                fontSize = 20.sp,
+                textAlign = TextAlign.Center,
+            )
+        }
+
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .background(Color.White),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.SpaceAround,
+        ){
+            Column {
+                if (order.orderWithProducts.size != 0){
+                    order.orderWithProducts.forEach{ orderProduct ->
+                        Row(
+                            modifier = Modifier
+                                .background(Color.White),
+                            verticalAlignment = Alignment.CenterVertically,
+                            horizontalArrangement = Arrangement.Center,
+                        ){
+                            Text(
+                                text = orderProduct.product.name + " x" + orderProduct.orderProduct.amount.toString(),
+                                color = Color.Gray,
+                                fontFamily = FontFamily(Font(R.font.nunito_bold)),
+                                fontSize = 20.sp,
+                                textAlign = TextAlign.Center,
+                            )
+                        }
+                    }
+                }
+            }
+            OutlinedButton(
+                onClick = {
+                    orderViewModel.changeOrderStatus(searchToken, order.order.id!!)
+                    when(status){
+                        "Принят" -> {status = "Готов"}
+                        "Готов" -> {status = "Выдан"}
+                        "Выдан" -> {status = "..."}
+                    }
+                },
+                border = BorderStroke(4.dp, Color(222,161,69)),
+                shape = RoundedCornerShape(20.dp),
+                colors = ButtonDefaults.outlinedButtonColors(Color(255,186,83)),
+                modifier = Modifier.padding(bottom = 10.dp)
+            ) {
+                Text(
+                    text = when(status){
+                        "Принят" -> {"Готов"}
+                        "Готов" -> {"Выдать"}
+                        "Выдан" -> {"..."}
+                        else -> {""}
+                    },
+                    fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                    fontSize = 30.sp,
+                    color = Color.White
+                )
+            }
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/ui/screens/ProfileScreen.kt

@@ -0,0 +1,195 @@
+package com.example.mobileapp.ui.screens
+
+import android.annotation.SuppressLint
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.Font
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import androidx.paging.compose.collectAsLazyPagingItems
+import androidx.paging.compose.itemKey
+import com.example.mobileapp.data.sharedpref.PreferencesManager
+import com.example.mobileapp.R
+import com.example.mobileapp.data.db.models.OrderWithProducts
+import com.example.mobileapp.ui.navigation.Screens
+import com.example.mobileapp.viewmodels.ProfileViewModel
+import com.example.mobileapp.ui.widgets.Header
+import kotlinx.coroutines.launch
+
+@Composable
+fun ProfileScreen(navController: NavController){
+    Column (
+        modifier = Modifier.fillMaxSize(),
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        Header(Color(212, 206, 203))
+        ProfileCard(navController)
+    }
+}
+
+@SuppressLint("CoroutineCreationDuringComposition")
+@Composable
+fun ProfileCard(navController: NavController){
+    val sharedPref = PreferencesManager(LocalContext.current)
+    val searchToken = sharedPref.getData("token", "")
+    val profileViewModel: ProfileViewModel = hiltViewModel<ProfileViewModel>()
+    val activeOrdersListUiState = profileViewModel.getActiveOrders(searchToken, sharedPref.getData("userId", "-1").toInt())?.collectAsLazyPagingItems()
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(Color(212, 206, 203)),
+        horizontalAlignment = Alignment.CenterHorizontally,
+        ) {
+        Column(
+            modifier = Modifier
+                .fillMaxHeight()
+                .fillMaxWidth(0.9f)
+                .background(Color.White),
+            horizontalAlignment = Alignment.CenterHorizontally,
+        ) {
+            OutlinedButton(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(top = 15.dp, start = 5.dp, end = 5.dp),
+                onClick = {
+                    navController.navigate(Screens.AuthorizationScreen.name)
+                    profileViewModel.logout(sharedPref)
+                },
+                border = BorderStroke(4.dp, Color(255,86,86)),
+                shape = RoundedCornerShape(20.dp),
+                colors = ButtonDefaults.outlinedButtonColors(Color(255,86,86)),
+            ) {
+                Text(
+                    text = "Выйти из аккаунта",
+                    fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                    fontSize = 30.sp,
+                    color = Color.White
+                )
+            }
+
+            Text(
+                text = "Активные заказы",
+                color = Color.Black,
+                fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                fontSize = 34.sp,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(top = 10.dp),
+                textAlign = TextAlign.Center,
+            )
+
+
+            if (activeOrdersListUiState != null){
+                LazyColumn(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                ) {
+                    items(
+                        count = activeOrdersListUiState.itemCount,
+                        key = activeOrdersListUiState.itemKey()
+                    ){ index ->
+                        ActiveOrderCard(activeOrdersListUiState[index]!!, profileViewModel)
+                    }
+                }
+            }
+        }
+    }
+}
+
+@SuppressLint("CoroutineCreationDuringComposition")
+@Composable
+fun ActiveOrderCard(order: OrderWithProducts, profileViewModel: ProfileViewModel) {
+    val scope = rememberCoroutineScope()
+    val status = remember { mutableStateOf("")}
+    scope.launch {
+        status.value = profileViewModel.getOrderStatus(order.order.statusId!!)
+    }
+    Card(
+        shape = RoundedCornerShape(20.dp),
+        border = BorderStroke(3.dp, Color(222,161,69)),
+        modifier = Modifier
+            .padding(top = 15.dp, start = 5.dp, end = 5.dp)
+    ) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .background(Color.White),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.SpaceEvenly,
+        ) {
+            Text(
+                text = "№" + order.order.id.toString(),
+                color = Color.Black,
+                fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                fontSize = 34.sp,
+                textAlign = TextAlign.Center,
+            )
+            Text(
+                text = "Статус: " + status.value,
+                color = Color.Black,
+                fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                fontSize = 20.sp,
+                textAlign = TextAlign.Center,
+            )
+        }
+        order.orderWithProducts.forEach { orderProduct ->
+            Row(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .background(Color.White),
+                verticalAlignment = Alignment.CenterVertically,
+                horizontalArrangement = Arrangement.Center,
+            ) {
+                Text(
+                    text = orderProduct.product.name + " " + orderProduct.product.price.toString() + "р. x" + orderProduct.orderProduct.amount.toString(),
+                    color = Color.Gray,
+                    fontFamily = FontFamily(Font(R.font.nunito_bold)),
+                    fontSize = 20.sp,
+                    textAlign = TextAlign.Center,
+                )
+            }
+        }
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .background(Color.White),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.Start,
+        ) {
+            Text(
+                text = "К оплате: " + order.order.price.toString() + " р.",
+                modifier = Modifier.padding(start = 20.dp),
+                color = Color.Black,
+                fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                fontSize = 20.sp,
+                textAlign = TextAlign.Center,
+            )
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/ui/screens/RegistrationScreen.kt

@@ -0,0 +1,230 @@
+package com.example.mobileapp.ui.screens
+
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.material3.TextFieldDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.livedata.observeAsState
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.Font
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.input.TextFieldValue
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import com.example.mobileapp.R
+import com.example.mobileapp.ui.navigation.Screens
+import com.example.mobileapp.viewmodels.RegistrationViewModel
+import com.example.mobileapp.ui.widgets.Header
+
+@Composable
+fun RegistrationScreen(navController: NavController) {
+    Column (
+        modifier = Modifier.fillMaxSize(),
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        Header(Color.White)
+        RegistrationCard(navController)
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun RegistrationCard(navController: NavController){
+    val login = remember { mutableStateOf(TextFieldValue("")) }
+    val password = remember { mutableStateOf(TextFieldValue("")) }
+    val passwordRepeat = remember { mutableStateOf(TextFieldValue("")) }
+    val viewModel = hiltViewModel<RegistrationViewModel>()
+    val success = viewModel.successState.observeAsState().value
+
+    if (success == true) {
+        navController.navigate(Screens.AuthorizationScreen.name)
+    }
+
+    if (success == false) {
+        AlertDialog(
+            title = {
+                Text(
+                    text = "Ошибка регистрации",
+                    fontWeight = FontWeight.Bold,
+                    fontSize = 20.sp
+                )
+            },
+            text = {
+                Text(
+                    text = "Проверьте корректность введенных данных",
+                    fontWeight = FontWeight.Normal,
+                    fontSize = 16.sp
+                )
+            },
+            onDismissRequest = {
+                viewModel.calmSuccessState()
+            },
+            confirmButton = {
+                TextButton(
+                    onClick = {
+                        viewModel.calmSuccessState()
+                    }
+                ) {
+                    Text("ОК")
+                }
+            }
+        )
+    }
+
+    Column(
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        Card(
+            shape = RoundedCornerShape(30.dp),
+            modifier = Modifier.padding(top = 30.dp)
+        ) {
+
+            Column (
+                horizontalAlignment = Alignment.CenterHorizontally,
+                modifier = Modifier
+                    .background(Color(212, 206, 203))
+                    .fillMaxWidth(0.9f)
+            ) {
+                Card(
+                    shape = RoundedCornerShape(90.dp, 90.dp, 30.dp, 30.dp),
+                    border = BorderStroke(4.dp, Color(222,161,69)),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(top = 30.dp, start = 20.dp, end = 20.dp)
+                ){
+                    Text(
+                        text = "Регистрация",
+                        color = Color.White,
+                        fontFamily = FontFamily(Font(R.font.nunito_bold)),
+                        fontSize = 30.sp,
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .background(Color(255, 186, 83))
+                            .padding(top = 20.dp, bottom = 20.dp),
+                        textAlign = TextAlign.Center,
+                    )
+                }
+
+                OutlinedTextField(
+                    value = login.value,
+                    onValueChange = {login.value = it},
+                    placeholder = { Text(text = "Логин", fontSize = 20.sp, color = Color.LightGray) },
+                    singleLine = true,
+
+                    shape = RoundedCornerShape(30.dp, 30.dp, 30.dp, 30.dp),
+                    textStyle = TextStyle(fontSize = 20.sp),
+                    colors = TextFieldDefaults.outlinedTextFieldColors(
+                        textColor = Color.Black,
+                        disabledTextColor = Color.Transparent,
+                        containerColor = Color.White,
+                        focusedBorderColor = Color.Yellow,
+                        unfocusedBorderColor = Color.Yellow,
+                    ),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(top = 20.dp, start = 20.dp, end = 20.dp),
+                )
+
+                OutlinedTextField(
+                    value = password.value,
+                    onValueChange = {password.value = it},
+                    placeholder = { Text(text = "Пароль", fontSize = 20.sp, color = Color.LightGray) },
+                    singleLine = true,
+
+                    shape = RoundedCornerShape(30.dp, 30.dp, 30.dp, 30.dp),
+                    textStyle = TextStyle(fontSize = 20.sp),
+                    colors = TextFieldDefaults.outlinedTextFieldColors(
+                        textColor = Color.Black,
+                        disabledTextColor = Color.Transparent,
+                        containerColor = Color.White,
+                        focusedBorderColor = Color(183,97,48),
+                        unfocusedBorderColor = Color(183,97,48),
+                    ),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(top = 20.dp, start = 20.dp, end = 20.dp),
+                )
+
+                OutlinedTextField(
+                    value = passwordRepeat.value,
+                    onValueChange = {passwordRepeat.value = it},
+                    placeholder = { Text(text = "Логин повторно", fontSize = 20.sp, color = Color.LightGray) },
+                    singleLine = true,
+
+                    shape = RoundedCornerShape(30.dp, 30.dp, 30.dp, 30.dp),
+                    textStyle = TextStyle(fontSize = 20.sp),
+                    colors = TextFieldDefaults.outlinedTextFieldColors(
+                        textColor = Color.Black,
+                        disabledTextColor = Color.Transparent,
+                        containerColor = Color.White,
+                        focusedBorderColor = Color.Red,
+                        unfocusedBorderColor = Color.Red,
+                    ),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(top = 20.dp, start = 20.dp, end = 20.dp),
+                )
+
+                Button(
+                    onClick = {
+                        viewModel.registration(login.value.text, password.value.text, passwordRepeat.value.text)
+                    },
+                    colors = ButtonDefaults.buttonColors(Color(255,186,83), Color.White),
+                    shape = RoundedCornerShape(30.dp, 30.dp, 30.dp, 30.dp),
+                    border = BorderStroke(4.dp, Color(222,161,69)),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(top = 20.dp, start = 20.dp, end = 20.dp)
+                ) {
+                    Text(
+                        text = "Продолжить",
+                        color = Color.White,
+                        fontFamily = FontFamily(Font(R.font.nunito_bold)),
+                        fontSize = 30.sp,
+                        textAlign = TextAlign.Center,
+                    )
+                }
+
+                Button(
+                    onClick = {
+                        navController.navigate(Screens.AuthorizationScreen.name)
+                    },
+                    colors = ButtonDefaults.buttonColors(Color(212,206,203)),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(top = 10.dp, start = 20.dp, end = 20.dp)
+                ) {
+                    Text(
+                        text = "Есть аккаунт",
+                        color = Color.White,
+                        fontFamily = FontFamily(Font(R.font.nunito_bold)),
+                        fontSize = 20.sp,
+                        textAlign = TextAlign.Center,
+                    )
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/ui/screens/UsersScreen.kt

@@ -0,0 +1,239 @@
+package com.example.mobileapp.ui.screens
+
+import android.annotation.SuppressLint
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExposedDropdownMenuBox
+import androidx.compose.material3.ExposedDropdownMenuDefaults
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.font.Font
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.paging.compose.collectAsLazyPagingItems
+import androidx.paging.compose.itemKey
+import com.example.mobileapp.data.sharedpref.PreferencesManager
+import com.example.mobileapp.R
+import com.example.mobileapp.data.db.models.User
+import com.example.mobileapp.viewmodels.UsersViewModel
+import com.example.mobileapp.ui.widgets.Header
+
+@Composable
+fun UsersScreen() {
+    Column (
+        modifier = Modifier.fillMaxSize(),
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        Header(Color(212, 206, 203))
+        UsersCard()
+    }
+}
+
+@SuppressLint("CoroutineCreationDuringComposition")
+@Composable
+fun UsersCard(){
+    val sharedPref = PreferencesManager(LocalContext.current)
+    val usersViewModel: UsersViewModel = hiltViewModel<UsersViewModel>()
+    val searchToken = sharedPref.getData("token", "")
+    val userListUiState = usersViewModel.getUsersList(searchToken).collectAsLazyPagingItems()
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(Color(212, 206, 203)),
+        horizontalAlignment = Alignment.CenterHorizontally,
+
+        ) {
+        Column(
+            modifier = Modifier
+                .fillMaxHeight()
+                .fillMaxWidth(0.9f)
+                .background(Color.White),
+
+            horizontalAlignment = Alignment.CenterHorizontally,
+        ) {
+            Text(
+                text = "Редактирование пользователей",
+                color = Color.Black,
+                fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                fontSize = 34.sp,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(top = 10.dp),
+                textAlign = TextAlign.Center,
+            )
+            if (userListUiState != null && usersViewModel.allRoles.size != 0){
+                LazyColumn(
+                    modifier = Modifier
+                        .fillMaxSize()
+                ) {
+                    items(
+                        count = userListUiState.itemCount,
+                        key = userListUiState.itemKey()
+                    ){ index ->
+                        if (userListUiState[index]!!.id != sharedPref.getData("userId", "-1").toInt()){
+                            UserCard(userListUiState[index]!!, usersViewModel)
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+@SuppressLint("CoroutineCreationDuringComposition")
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun UserCard (user: User, usersViewModel: UsersViewModel){
+    val sharedPref = PreferencesManager(LocalContext.current)
+    val searchToken = sharedPref.getData("token", "")
+    val roleList = remember { mutableStateListOf(usersViewModel.allRoles)}
+    var selectedRole by remember { mutableStateOf(usersViewModel.getUserRole(user.roleId))}
+    var expanded by remember { mutableStateOf(false) }
+
+    Card(
+        shape = RoundedCornerShape(20.dp),
+        border = BorderStroke(3.dp, Color(222,161,69)),
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(top = 15.dp, start = 5.dp, end = 5.dp)
+    ){
+        Row(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(Color.White),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.SpaceEvenly,
+        ){
+            Column (
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.SpaceAround,
+                modifier = Modifier.fillMaxWidth(0.4f)
+            ) {
+                Text(
+                    text = "Логин: " + user.login,
+                    color = Color.Black,
+                    fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                    fontSize = 17.sp,
+                    textAlign = TextAlign.Center,
+                    modifier = Modifier.padding(top = 5.dp)
+                )
+                Card(
+                    shape = RoundedCornerShape(20.dp),
+                    border = BorderStroke(1.dp, Color(222,161,69)),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(bottom = 10.dp),
+                ){
+                    MaterialTheme(
+                        colorScheme = lightColorScheme(
+                            surfaceVariant= Color.White,
+                            surface = Color.White,
+                            onSurface = Color.Gray
+                        )
+                    ){
+                        ExposedDropdownMenuBox(
+                            expanded = expanded,
+                            onExpandedChange = {
+                                expanded = !expanded
+                            },
+                        ) {
+                            TextField(
+                                modifier = Modifier
+                                    .menuAnchor()
+                                    .fillMaxWidth(),
+                                readOnly = true,
+                                value = selectedRole,
+                                onValueChange = {},
+                                trailingIcon = { ExposedDropdownMenuDefaults.TrailingIcon(expanded = expanded) },
+                            )
+
+                            ExposedDropdownMenu(
+                                expanded = expanded,
+                                onDismissRequest = {
+                                    expanded = false
+                                },
+                            ) {
+                                roleList.first().forEach {selectionOption ->
+                                    DropdownMenuItem(
+
+                                        text = { Text(selectionOption.name) },
+                                        onClick = {
+                                            selectedRole = selectionOption.name
+                                            expanded = false
+                                        },
+                                        contentPadding = ExposedDropdownMenuDefaults.ItemContentPadding,
+                                    )
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            OutlinedButton(
+                onClick = {
+                    usersViewModel.changeUserRole(user.id!!, selectedRole, searchToken)
+                },
+                border = BorderStroke(4.dp, Color(222,161,69)),
+                shape = RoundedCornerShape(10.dp),
+                colors = ButtonDefaults.outlinedButtonColors(Color(255,186,83)),
+
+                ){
+                Icon(
+                    painterResource(id = R.drawable.icon_settings),
+                    contentDescription = null,
+                    Modifier.size(30.dp),
+                    tint = Color.Black
+                )
+            }
+            OutlinedButton(
+                onClick = {
+                    usersViewModel.deleteUser(user.id!!, searchToken)
+                },
+                border = BorderStroke(4.dp, Color(222,161,69)),
+                shape = RoundedCornerShape(10.dp),
+                colors = ButtonDefaults.outlinedButtonColors(Color(255,186,83)),
+
+                ){
+                Icon(
+                    painterResource(id = R.drawable.icon_trash),
+                    contentDescription = null,
+                    Modifier.size(30.dp),
+                    tint = Color.Black
+                )
+            }
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/ui/theme/Color.kt

@@ -0,0 +1,11 @@
+package com.example.mobileapp.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Purple80 = Color(0xFFD0BCFF)
+val PurpleGrey80 = Color(0xFFCCC2DC)
+val Pink80 = Color(0xFFEFB8C8)
+
+val Purple40 = Color(0xFF6650a4)
+val PurpleGrey40 = Color(0xFF625b71)
+val Pink40 = Color(0xFF7D5260)

app/src/main/java/com/example/mobileapp/ui/theme/Theme.kt

@@ -0,0 +1,70 @@
+package com.example.mobileapp.ui.theme
+
+import android.app.Activity
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.dynamicDarkColorScheme
+import androidx.compose.material3.dynamicLightColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.SideEffect
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalView
+import androidx.core.view.WindowCompat
+
+private val DarkColorScheme = darkColorScheme(
+    primary = Purple80,
+    secondary = PurpleGrey80,
+    tertiary = Pink80
+)
+
+private val LightColorScheme = lightColorScheme(
+    primary = Purple40,
+    secondary = PurpleGrey40,
+    tertiary = Pink40
+
+    /* Other default colors to override
+    background = Color(0xFFFFFBFE),
+    surface = Color(0xFFFFFBFE),
+    onPrimary = Color.White,
+    onSecondary = Color.White,
+    onTertiary = Color.White,
+    onBackground = Color(0xFF1C1B1F),
+    onSurface = Color(0xFF1C1B1F),
+    */
+)
+
+@Composable
+fun MobileAppTheme(
+    darkTheme: Boolean = isSystemInDarkTheme(),
+    // Dynamic color is available on Android 12+
+    dynamicColor: Boolean = true,
+    content: @Composable () -> Unit
+) {
+    val colorScheme = when {
+        dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+            val context = LocalContext.current
+            if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+        }
+
+        darkTheme -> DarkColorScheme
+        else -> LightColorScheme
+    }
+    val view = LocalView.current
+    if (!view.isInEditMode) {
+        SideEffect {
+            val window = (view.context as Activity).window
+            window.statusBarColor = colorScheme.primary.toArgb()
+            WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme
+        }
+    }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}

app/src/main/java/com/example/mobileapp/ui/theme/Type.kt

@@ -0,0 +1,34 @@
+package com.example.mobileapp.ui.theme
+
+import androidx.compose.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+// Set of Material typography styles to start with
+val Typography = Typography(
+    bodyLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 16.sp,
+        lineHeight = 24.sp,
+        letterSpacing = 0.5.sp
+    )
+    /* Other default text styles to override
+    titleLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 22.sp,
+        lineHeight = 28.sp,
+        letterSpacing = 0.sp
+    ),
+    labelSmall = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Medium,
+        fontSize = 11.sp,
+        lineHeight = 16.sp,
+        letterSpacing = 0.5.sp
+    )
+    */
+)

app/src/main/java/com/example/mobileapp/ui/widgets/header.kt

@@ -0,0 +1,76 @@
+package com.example.mobileapp.ui.widgets
+
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.font.Font
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import com.example.mobileapp.R
+
+@Composable
+fun Header(backColor: Color){
+    Column {
+        Card(
+            shape = RoundedCornerShape(bottomStart = 30.dp, bottomEnd = 30.dp),
+            border = BorderStroke(4.dp, Color(222,161,69)),
+            modifier = Modifier
+                .fillMaxWidth()
+                .background(backColor),
+            colors = CardDefaults.cardColors(
+                containerColor = Color(255, 186, 83)
+            )
+        ) {
+            Row (
+                verticalAlignment = Alignment.CenterVertically,
+                modifier = Modifier
+                    .fillMaxWidth(),
+                horizontalArrangement = Arrangement.Center,
+            ) {
+                Text(
+                    text = "Вкусно",
+                    color = Color.Black,
+                    fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                    fontSize = 34.sp,
+                    modifier = Modifier
+                        .padding(top = 20.dp, bottom = 20.dp),
+                    textAlign = TextAlign.Center,
+                )
+                Image(
+                    painterResource(
+                        id = R.drawable.icon
+                    ),
+                    contentDescription = "Logo",
+                    modifier = Modifier
+                        .size(60.dp, 60.dp),
+                )
+                Text(
+                    text = "ладно",
+                    color = Color.Black,
+                    fontFamily = FontFamily(Font(R.font.nunito_extrabold_italic)),
+                    fontSize = 34.sp,
+                    modifier = Modifier
+                        .padding(top = 20.dp, bottom = 20.dp),
+                    textAlign = TextAlign.Center,
+                )
+            }
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/viewmodels/AuthorizationViewModel.kt

@@ -0,0 +1,50 @@
+package com.example.mobileapp.viewmodels
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.example.mobileapp.data.sharedpref.PreferencesManager
+import com.example.mobileapp.data.db.models.Role
+import com.example.mobileapp.data.db.models.User
+import com.example.mobileapp.data.repositories.RoleRepository
+import com.example.mobileapp.data.repositories.UserRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@HiltViewModel
+class AuthorizationViewModel @Inject constructor(
+    private val userRepository: UserRepository,
+    private val roleRepository: RoleRepository
+) : ViewModel() {
+    private val _successState = MutableLiveData<Boolean?>()
+    val successState: LiveData<Boolean?>
+        get() = _successState
+
+    fun calmSuccessState() {
+        _successState.postValue(null)
+    }
+
+    fun login(sharedPref: PreferencesManager, login: String, password: String) {
+        viewModelScope.launch {
+            val token_response = userRepository.getToken(User(null, login, password,-1))
+            if (token_response.access_token.isNotEmpty()) {
+                val user = userRepository.checkLogin(User(null, login, password, -1))
+                if (user != null){
+                    val role = roleRepository.getRole(Role(user.role_id, ""))
+                    if (role != null){
+                        sharedPref.saveData("userId", user.id.toString())
+                        sharedPref.saveData("userRole", role.name)
+                        sharedPref.saveData("token", token_response.access_token)
+                        _successState.postValue(true)
+                        println(token_response.access_token)
+                    }
+                }
+            }
+            else {
+                _successState.postValue(false)
+            }
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/viewmodels/CartViewModel.kt

@@ -0,0 +1,89 @@
+package com.example.mobileapp.viewmodels
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.example.mobileapp.data.db.models.OrderProduct
+import com.example.mobileapp.data.db.models.OrderWithProducts
+import com.example.mobileapp.data.repositories.OrderProductRepository
+import com.example.mobileapp.data.repositories.OrderRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@HiltViewModel
+class CartViewModel @Inject constructor(
+    private val orderRepository: OrderRepository,
+    private val orderProductRepository: OrderProductRepository
+) : ViewModel() {
+    private val _cart = MutableLiveData<OrderWithProducts?>()
+    val cart: LiveData<OrderWithProducts?>
+        get() = _cart
+
+    fun getCart(token: String) {
+        viewModelScope.launch {
+            _cart.postValue(orderRepository.getCartByUser(token))
+        }
+    }
+
+    fun makeOrder(token: String) {
+        if (cart.value == null){
+            return
+        }
+        val model = cart.value!!.order
+        model.statusId = 2
+        viewModelScope.launch {
+            orderRepository.update(token, model)
+        }
+        _cart.postValue(null)
+    }
+
+    fun removeProductFromOrder(token: String, productId: Int) {
+        val orderModel = cart.value!!.order
+        var productModel : OrderProduct? = null
+
+        cart.value!!.orderWithProducts.map {
+            if (it.orderProduct.productId == productId){
+                productModel = it.orderProduct
+                orderModel.price -= it.product.price
+            }
+        }
+
+        if(productModel!!.amount == 1) {
+            // delete
+            viewModelScope.launch {
+                orderRepository.update(token, orderModel)
+                orderProductRepository.delete(token, productModel!!)
+                getCart(token)
+            }
+        }
+        else{
+            // update
+            productModel!!.amount -= 1
+            viewModelScope.launch {
+                orderRepository.update(token, orderModel)
+                orderProductRepository.update(token, productModel!!)
+                getCart(token)
+            }
+        }
+    }
+    fun addProductToOrder(token: String, productId: Int) {
+        val orderModel = cart.value!!.order
+        var productModel : OrderProduct? = null
+        cart.value!!.orderWithProducts.map {
+            if (it.orderProduct.productId == productId){
+                productModel = it.orderProduct
+                orderModel.price += it.product.price
+            }
+        }
+        // update
+        productModel!!.amount += 1
+        viewModelScope.launch {
+            orderRepository.update(token, orderModel)
+            orderProductRepository.update(token, productModel!!)
+            getCart(token)
+        }
+
+    }
+}

app/src/main/java/com/example/mobileapp/viewmodels/MenuViewModel.kt

@@ -0,0 +1,80 @@
+package com.example.mobileapp.viewmodels
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import androidx.paging.PagingData
+import com.example.mobileapp.data.api.models.ProductRemote
+import com.example.mobileapp.data.api.models.toProduct
+import com.example.mobileapp.data.db.models.Category
+import com.example.mobileapp.data.db.models.Order
+import com.example.mobileapp.data.db.models.OrderProduct
+import com.example.mobileapp.data.db.models.Product
+import com.example.mobileapp.data.repositories.CategoryRepository
+import com.example.mobileapp.data.repositories.OrderProductRepository
+import com.example.mobileapp.data.repositories.OrderRepository
+import com.example.mobileapp.data.repositories.ProductRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flow
+import java.util.stream.Collectors
+import javax.inject.Inject
+
+@HiltViewModel
+class MenuViewModel @Inject constructor(
+    private val categoryRepository: CategoryRepository,
+    private val orderRepository: OrderRepository,
+    private val orderProductRepository: OrderProductRepository,
+    private val productRepository: ProductRepository
+) : ViewModel() {
+    fun getCategoriesList(token: String) : Flow<PagingData<Category>> {
+        return categoryRepository.getAllPaged(token)
+    }
+
+    fun getProductsByCategoryId(categoryId: Int, token: String): Flow<MutableList<Product>?> {
+        return flow{ emit(productRepository.getProductsByCategoryId(categoryId, token).stream().map(
+            ProductRemote::toProduct).collect(Collectors.toList())) }
+    }
+
+    fun deleteProduct(product : Product, token: String) {
+        viewModelScope.launch {
+            productRepository.delete(product, token)
+        }
+    }
+
+    fun addProductToCart(productId: Int, userId: Int, token: String) {
+        viewModelScope.launch {
+            val product = productRepository.getProductById(productId, token)
+            val order = orderRepository.getCartByUser(token)
+
+            if (order == null) {
+                val newOrder = orderRepository.insert(token, Order(null, userId, product.price, 1 ))
+                if (newOrder != null) {
+                    orderProductRepository.insert(token, OrderProduct(newOrder.id!!, productId, 1))
+                }
+            }
+            else {
+                var isAlreadyAdded = false
+                for (prod in order.orderWithProducts) {
+                    if (prod.product != null) {
+                        if (prod.product.id == productId) {
+                            val newOrderProduct = prod.orderProduct
+                            newOrderProduct.amount += 1
+                            val newOrder = order.order
+                            newOrder.price += prod.product.price
+                            orderProductRepository.update(token, newOrderProduct)
+                            orderRepository.update(token, newOrder)
+                            isAlreadyAdded = true
+                        }
+                    }
+                }
+                if (!isAlreadyAdded) {
+                    orderProductRepository.insert(token, OrderProduct(order.order.id!!, productId, 1))
+                    val newOrder = order.order
+                    newOrder.price += product.price
+                    orderRepository.update(token, newOrder)
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/viewmodels/OrderViewModel.kt

@@ -0,0 +1,48 @@
+package com.example.mobileapp.viewmodels
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import androidx.paging.PagingData
+import com.example.mobileapp.data.db.models.OrderWithProducts
+import com.example.mobileapp.data.db.models.Status
+import com.example.mobileapp.data.repositories.OrderRepository
+import com.example.mobileapp.data.repositories.StatusRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@HiltViewModel
+class OrderViewModel @Inject constructor(
+    private val statusRepository: StatusRepository,
+    private val orderRepository: OrderRepository
+) : ViewModel() {
+
+    fun getOrdersList(token: String) : Flow<PagingData<OrderWithProducts>> {
+        return orderRepository.getOrdersToWorkPaged(token)
+    }
+
+    suspend fun getOrderStatus(statusId: Int) : String{
+        return statusRepository.getStatus(Status(statusId, ""))!!.name
+    }
+
+    fun changeOrderStatus(token: String, orderId: Int) {
+        viewModelScope.launch {
+            val order = orderRepository.getById(orderId).first()
+
+            when(statusRepository.getStatus(Status(order.order.statusId, ""))!!.name){
+                "Принят" -> {
+                    val newOrder = order.order
+                    newOrder.statusId = statusRepository.getStatus(Status(null, "Готов"))!!.id!!
+                    orderRepository.update(token, newOrder)
+                }
+                "Готов" -> {
+                    val newOrder = order.order
+                    newOrder.statusId = statusRepository.getStatus(Status(null, "Выдан"))!!.id!!
+                    orderRepository.update(token, newOrder)
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/viewmodels/ProductViewModel.kt

@@ -0,0 +1,108 @@
+package com.example.mobileapp.viewmodels
+
+import androidx.compose.runtime.mutableStateListOf
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.example.mobileapp.data.api.models.CategoryRemote
+import com.example.mobileapp.data.api.models.toCategory
+import com.example.mobileapp.data.db.models.Category
+import com.example.mobileapp.data.db.models.Product
+import com.example.mobileapp.data.repositories.CategoryRepository
+import com.example.mobileapp.data.repositories.ProductRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.launch
+import java.util.stream.Collectors
+import javax.inject.Inject
+
+@HiltViewModel
+class ProductViewModel @Inject constructor(
+    private val productRepository: ProductRepository,
+    private val categoryRepository: CategoryRepository,
+) : ViewModel() {
+    private val _successState = MutableLiveData<Boolean?>()
+    private val _categories = mutableStateListOf<Category>()
+    val categories: List<Category>
+        get() = _categories
+    val successState: LiveData<Boolean?>
+        get() = _successState
+
+    private val _product = MutableLiveData<Product?>()
+    val product: LiveData<Product?>
+        get() = _product
+
+    fun getProduct(productId: Int, token: String) {
+        viewModelScope.launch {
+            _product.postValue(productRepository.getProductById(productId, token))
+        }
+    }
+
+    init {
+        if (categories.size == 0){
+            viewModelScope.launch {
+                _categories.addAll(categoryRepository.getCategories().stream().map(CategoryRemote::toCategory).collect(Collectors.toList()))
+            }
+        }
+    }
+
+    fun getProductCategory(categoryId : Int) : String{
+        return categories.find { it.id == categoryId }?.name ?: ""
+    }
+
+    fun addProduct(name: String, categoryName: String, price: String, token: String) {
+        if (name.isEmpty() || name.length > 10 || name.length < 3){
+            _successState.postValue(false)
+            return
+        }
+        if (categoryName.isEmpty()){
+            _successState.postValue(false)
+            return
+        }
+        if (price.isEmpty() || price.toIntOrNull() == null || price.toInt() <= 0){
+            _successState.postValue(false)
+            return
+        }
+
+        viewModelScope.launch {
+            productRepository.insert(
+                Product(
+                    null,
+                    name,
+                    categories.find { it.name == categoryName }!!.id!!,
+                    price.toInt()
+                ),
+                token
+            )
+            _successState.postValue(true)
+        }
+    }
+
+    fun updateProduct(id: Int, name: String, categoryName: String, price: String, token: String) {
+        if (name.isEmpty() || name.length > 10 || name.length < 3){
+            _successState.postValue(false)
+            return
+        }
+        if (categoryName.isEmpty()){
+            _successState.postValue(false)
+            return
+        }
+        if (price.isEmpty() || price.toIntOrNull() == null || price.toInt() <= 0){
+            _successState.postValue(false)
+            return
+        }
+
+        viewModelScope.launch {
+            productRepository.update(
+                Product(
+                    id,
+                    name,
+                    categories.find {it.name == categoryName}!!.id!!,
+                    price.toInt()
+                ),
+                token
+            )
+            _successState.postValue(true)
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/viewmodels/ProfileViewModel.kt

@@ -0,0 +1,35 @@
+package com.example.mobileapp.viewmodels
+
+import androidx.lifecycle.ViewModel
+import androidx.paging.PagingData
+import com.example.mobileapp.data.sharedpref.PreferencesManager
+import com.example.mobileapp.data.db.models.OrderWithProducts
+import com.example.mobileapp.data.db.models.Status
+import com.example.mobileapp.data.repositories.OrderRepository
+import com.example.mobileapp.data.repositories.StatusRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Inject
+
+@HiltViewModel
+class ProfileViewModel @Inject constructor(
+    private val orderRepository: OrderRepository,
+    private val statusRepository: StatusRepository
+) : ViewModel() {
+    fun getActiveOrders(token: String, userId: Int) : Flow<PagingData<OrderWithProducts>>? {
+        if (token.isNotEmpty() && userId.toString().isNotEmpty()){
+            return orderRepository.getOrdersByUserPaged(token, userId)
+        }
+        return null
+    }
+
+    suspend fun getOrderStatus(statusId: Int) : String{
+        return statusRepository.getStatus(Status(statusId, ""))!!.name
+    }
+
+    fun logout(sharedPref: PreferencesManager) {
+        sharedPref.deleteData("userId")
+        sharedPref.deleteData("userRole")
+        sharedPref.deleteData("token")
+    }
+}

app/src/main/java/com/example/mobileapp/viewmodels/RegistrationViewModel.kt

@@ -0,0 +1,60 @@
+package com.example.mobileapp.viewmodels
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.example.mobileapp.data.db.models.User
+import com.example.mobileapp.data.repositories.UserRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@HiltViewModel
+class RegistrationViewModel @Inject constructor(
+    private val userRepository: UserRepository
+) : ViewModel() {
+    private val _successState = MutableLiveData<Boolean?>()
+    val successState: LiveData<Boolean?>
+        get() = _successState
+
+    fun calmSuccessState() {
+        _successState.postValue(null)
+    }
+
+    fun registration(login: String, password: String, confirmPassword: String) {
+        if (login.length < 3 || login.length > 20) {
+            _successState.postValue(false)
+            return
+        }
+
+        if (password.length < 3 || password.length > 20) {
+            _successState.postValue(false)
+            return
+        }
+
+        if (password != confirmPassword) {
+            _successState.postValue(false)
+            return
+        }
+
+        viewModelScope.launch {
+            val user_response = userRepository.checkLogin(User(null, login, password, -1))
+            if (user_response != null) {
+                if (user_response.login.isNullOrEmpty()) {
+                    if (login == "admin" && password == "admin") {
+                        userRepository.insert(User(null, login, password, 1))
+                        _successState.postValue(true)
+                    }
+                    else {
+                        userRepository.insert(User(null, login, password, 3))
+                        _successState.postValue(true)
+                    }
+                }
+                else {
+                    _successState.postValue(false)
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/example/mobileapp/viewmodels/UsersViewModel.kt

@@ -0,0 +1,58 @@
+package com.example.mobileapp.viewmodels
+
+import androidx.compose.runtime.mutableStateListOf
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import androidx.paging.PagingData
+import com.example.mobileapp.data.api.models.RoleRemote
+import com.example.mobileapp.data.api.models.toRole
+import com.example.mobileapp.data.db.models.Role
+import com.example.mobileapp.data.db.models.User
+import com.example.mobileapp.data.repositories.RoleRepository
+import com.example.mobileapp.data.repositories.UserRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.launch
+import java.util.stream.Collectors
+import javax.inject.Inject
+
+@HiltViewModel
+class UsersViewModel @Inject constructor(
+    private val userRepository: UserRepository,
+    private val roleRepository: RoleRepository
+) : ViewModel() {
+    private val _allRoles = mutableStateListOf<Role>()
+    val allRoles: List<Role>
+        get() = _allRoles
+
+    init {
+        viewModelScope.launch {
+            _allRoles.addAll(roleRepository.getRoles().stream().map(RoleRemote::toRole).collect(Collectors.toList()))
+        }
+    }
+
+    fun getUsersList(token: String) : Flow<PagingData<User>> {
+        return userRepository.getAllPaged(token)
+    }
+
+    fun getUserRole(roleId: Int) : String {
+        return allRoles.find { it.id == roleId }?.name ?: ""
+    }
+
+    fun changeUserRole(userId: Int, roleName: String, token: String) {
+        viewModelScope.launch {
+            userRepository.update(
+                User(
+                    userId, "","",
+                    allRoles.find { it.name == roleName }!!.id!!),
+                token
+            )
+        }
+    }
+
+    fun deleteUser(userId: Int, token: String){
+        viewModelScope.launch{
+            userRepository.delete(User(userId, "","",-1),token)
+        }
+    }
+}

app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
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