Ну вроде лаба 3 есть. Цена вопроса - 3 энергетика и упаковка хотстеров от горячей штучки. Хочу ли я жить после такого? Думайте сами

app/build.gradle

@@ -1,6 +1,8 @@
 plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
+    //lab 3
+    id 'kotlin-kapt'
 }
 
 android {
@@ -18,6 +20,10 @@ android {
         vectorDrawables {
             useSupportLibrary true
         }
+
+        kapt {
+            arguments {arg("room.schemaLocation", "$projectDir/schemas")}
+        }
     }
 
     buildTypes {
@@ -62,4 +68,9 @@ dependencies {
     androidTestImplementation "androidx.compose.ui:ui-test-junit4:$compose_ui_version"
     debugImplementation "androidx.compose.ui:ui-tooling:$compose_ui_version"
     debugImplementation "androidx.compose.ui:ui-test-manifest:$compose_ui_version"
+
+    // lab 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' // Дополнительно для Kotlin Coroutines, Kotlin Flows
 }

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

@@ -0,0 +1,30 @@
+package com.example.shawarma.data.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import androidx.room.Update
+import com.example.shawarma.data.models.OrderModel
+import com.example.shawarma.data.models.OrderWithProducts
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface OrderDao {
+    @Insert
+    suspend fun insert(order: OrderModel)
+
+    @Update
+    suspend fun update(order: OrderModel)
+
+    @Delete
+    suspend fun delete(order: OrderModel)
+
+    @Query("select * from orders where orders.user_id is not null")
+    fun getAll() : Flow<List<OrderWithProducts>>
+    @Query("select * from orders where orders.id =:id")
+    fun getById(id: Int): Flow<List<OrderWithProducts>>
+    @Query("select * from orders where orders.user_id =:userId")
+    fun getByUserId(userId: Int): Flow<List<OrderWithProducts>>
+
+}

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

@@ -0,0 +1,11 @@
+package com.example.shawarma.data.dao
+
+import androidx.room.Dao
+import androidx.room.Insert
+import com.example.shawarma.data.models.OrderProductModel
+
+@Dao
+interface OrderProductDao {
+    @Insert
+    suspend fun insert(order: OrderProductModel)
+}

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

@@ -0,0 +1,30 @@
+package com.example.shawarma.data.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import androidx.room.Update
+import com.example.shawarma.data.models.ProductModel
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface ProductDao {
+    @Insert
+    suspend fun insert(product: ProductModel)
+
+    @Update
+    suspend fun update(product: ProductModel)
+
+    @Delete
+    suspend fun delete(product: ProductModel)
+
+    @Query("select * from products where products.product_old_price is null")
+    fun getAll() : Flow<List<ProductModel>>
+
+    @Query("select * from products where products.product_old_price is not null")
+    fun getDiscounts() : Flow<List<ProductModel>>
+
+    @Query("select * from products where products.id = :id")
+    fun getById(id: Int): ProductModel
+}

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

@@ -0,0 +1,27 @@
+package com.example.shawarma.data.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import androidx.room.Update
+import com.example.shawarma.data.models.UserModel
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface UserDao {
+    @Insert
+    suspend fun insert(user: UserModel)
+
+    @Update
+    suspend fun update(user: UserModel)
+
+    @Delete
+    suspend fun delete(user: UserModel)
+
+    @Query("select * from users order by user_login collate nocase asc")
+    fun getAll() : Flow<List<UserModel>>
+
+    @Query("select * from users where users.id = :id")
+    fun getById(id: Int): UserModel
+}

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

@@ -0,0 +1,107 @@
+package com.example.shawarma.data.db
+
+import android.content.Context
+import androidx.room.Database
+import androidx.room.Room
+import androidx.room.RoomDatabase
+import androidx.room.TypeConverters
+import androidx.sqlite.db.SupportSQLiteDatabase
+import com.example.shawarma.data.dao.OrderDao
+import com.example.shawarma.data.dao.OrderProductDao
+import com.example.shawarma.data.dao.ProductDao
+import com.example.shawarma.data.dao.UserDao
+import com.example.shawarma.data.models.OrderModel
+import com.example.shawarma.data.models.OrderProductModel
+import com.example.shawarma.data.models.OrderStatus
+import com.example.shawarma.data.models.ProductModel
+import com.example.shawarma.data.models.UserModel
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import java.util.Date
+
+@Database(
+    entities =
+    [
+        UserModel::class,
+        OrderModel::class,
+        ProductModel::class,
+        OrderProductModel::class,
+    ],
+    version = 1,
+    exportSchema = false
+)
+@TypeConverters(Converter::class)
+abstract class AppDatabase : RoomDatabase() {
+    abstract fun userDao() : UserDao
+    abstract fun productDao() : ProductDao
+    abstract fun orderDao() : OrderDao
+    abstract fun orderProductDao() : OrderProductDao
+
+    companion object {
+        private const val DB_NAME: String = "shawarma-db"
+
+        @Volatile
+        private var INSTANCE: AppDatabase? = null
+
+        private suspend fun populateDatabase() {
+            INSTANCE?.let { database ->
+                // Users
+                val userDao = database.userDao()
+                val user1 = UserModel(1, "danya", "password", "ADMIN")
+                userDao.insert(user1)
+                // Products
+                val productDao = database.productDao()
+                val product1 = ProductModel(1, "Классик", 100, null)
+                val product2 = ProductModel(2, "Сырная", 120, null)
+                val discount1 = ProductModel(3, "Выгода", 80, 100)
+                val discount2 = ProductModel(4, "Кола", 50, 75)
+                productDao.insert(product1)
+                productDao.insert(product2)
+                productDao.insert(discount1)
+                productDao.insert(discount2)
+                // Orders
+                val orderDao = database.orderDao()
+                val order1 = OrderModel(1, OrderStatus.Готовится.toString(), 1, Date())
+                val order2 = OrderModel(2, OrderStatus.Неоплачено.toString(), 1, Date())
+                val order3 = OrderModel(3, OrderStatus.Готово.toString(), 1, Date())
+                val order4 = OrderModel(4, OrderStatus.Выдано.toString(), 1, Date())
+                orderDao.insert(order1)
+                orderDao.insert(order2)
+                orderDao.insert(order3)
+                orderDao.insert(order4)
+                // OrderProducts
+                val orderProductDao = database.orderProductDao()
+                val op1 = OrderProductModel(1, 1, 2, 200)
+                val op2 = OrderProductModel(2, 4, 3, 150)
+                val op3 = OrderProductModel(3, 3, 1, 80)
+                val op4 = OrderProductModel(4, 2, 1, 120)
+                orderProductDao.insert(op1)
+                orderProductDao.insert(op2)
+                orderProductDao.insert(op3)
+                orderProductDao.insert(op4)
+            }
+        }
+
+        fun getInstance(appContext: Context): AppDatabase {
+            return INSTANCE ?: synchronized(this) {
+                Room.databaseBuilder(
+                    appContext,
+                    AppDatabase::class.java,
+                    DB_NAME
+                )
+                    .addCallback(object : Callback() {
+                        override fun onCreate(db: SupportSQLiteDatabase) {
+                            super.onCreate(db)
+                            CoroutineScope(Dispatchers.IO).launch {
+                                populateDatabase()
+                            }
+                        }
+                    })
+                    .build()
+                    .also { INSTANCE = it }
+            }
+        }
+    }
+
+}

app/src/main/java/com/example/shawarma/data/db/Converter.kt

@@ -0,0 +1,16 @@
+package com.example.shawarma.data.db
+
+import androidx.room.TypeConverter
+import java.util.Date
+
+class Converter {
+    @TypeConverter
+    fun fromTimestamp(value: Long?): Date? {
+        return value?.let { Date(it) }
+    }
+
+    @TypeConverter
+    fun dateToTimestamp(date: Date?): Long? {
+        return date?.time?.toLong()
+    }
+}

app/src/main/java/com/example/shawarma/data/models/OrderModel.kt

@@ -0,0 +1,39 @@
+package com.example.shawarma.data.models
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import androidx.room.PrimaryKey
+import java.util.Date
+
+@Entity(
+    tableName = "orders",
+    foreignKeys = [
+        ForeignKey(
+            entity = UserModel::class,
+            parentColumns = ["id"],
+            childColumns = ["user_id"],
+        )
+    ]
+)
+data class OrderModel(
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = "id")
+    val id: Int?,
+    @ColumnInfo(name = "order_status")
+    val status: String,
+    @ColumnInfo(name = "user_id", index = true)
+    val userId: Int?,
+    @ColumnInfo(name = "date")
+    val date: Date
+)
+
+fun getOrdersByUserId() : List<OrderModel> {
+    return listOf(
+    )
+}
+
+fun getAllOrders() : List<OrderModel> {
+    return listOf(
+    )
+}

app/src/main/java/com/example/shawarma/data/models/OrderProductModel.kt

@@ -0,0 +1,16 @@
+package com.example.shawarma.data.models
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+
+@Entity(tableName = "order_product", primaryKeys = ["order_id", "product_id"])
+data class OrderProductModel(
+    @ColumnInfo(name = "order_id", index = true)
+    var orderId: Int,
+    @ColumnInfo(name = "product_id", index = true)
+    var productId: Int,
+    @ColumnInfo(name = "quantity")
+    val quantity: Int,
+    @ColumnInfo(name = "total_price")
+    val totalPrice: Int
+)

app/src/main/java/com/example/shawarma/data/models/OrderProductModelWithProduct.kt

@@ -0,0 +1,11 @@
+package com.example.shawarma.data.models
+
+import androidx.room.Embedded
+import androidx.room.Relation
+
+data class OrderProductModelWithProduct(
+    @Embedded
+    val orderProductModel: OrderProductModel,
+    @Relation(entity = ProductModel::class, parentColumn = "product_id", entityColumn = "id")
+    val productList: List<ProductModel>
+)

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

@@ -0,0 +1,11 @@
+package com.example.shawarma.data.models
+
+import androidx.room.Embedded
+import androidx.room.Relation
+
+data class OrderWithProducts(
+    @Embedded
+    val order: OrderModel,
+    @Relation(entity = OrderProductModel::class, parentColumn = "id", entityColumn = "order_id")
+    val orderWithProducts: List<OrderProductModelWithProduct>
+)

app/src/main/java/com/example/shawarma/data/models/ProductModel.kt

@@ -0,0 +1,36 @@
+package com.example.shawarma.data.models
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "products")
+data class ProductModel(
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = "id")
+    val id: Int?,
+    @ColumnInfo(name = "product_title")
+    val title: String,
+    @ColumnInfo(name = "product_price")
+    val price: Int,
+    @ColumnInfo(name = "product_old_price")
+    val oldPrice: Int?,
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+        other as ProductModel
+        if (id != other.id) return false
+        return true
+    }
+
+    override fun hashCode(): Int {
+        return id ?: -1
+    }
+}
+
+fun getProducts() :List<ProductModel> {
+    return listOf(
+    )
+
+}

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

@@ -0,0 +1,5 @@
+package com.example.shawarma.data.models
+
+enum class OrderStatus {
+    Неоплачено, Готовится, Готово, Выдано
+}

app/src/main/java/com/example/shawarma/data/models/UserModel.kt

@@ -0,0 +1,30 @@
+package com.example.shawarma.data.models
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "users")
+data class UserModel(
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = "id")
+    val id: Int?,
+    @ColumnInfo(name = "user_login")
+    val login: String,
+    @ColumnInfo(name = "user_password")
+    val password: String,
+    @ColumnInfo(name = "user_role")
+    val role: String
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+        other as UserModel
+        if (id != other.id) return false
+        return true
+    }
+
+    override fun hashCode(): Int {
+        return id ?: -1
+    }
+}

app/src/main/java/com/example/shawarma/models/DiscountProductModel.kt

@@ -1,15 +0,0 @@
-package com.example.shawarma.models
-
-data class DiscountProductModel(
-    val id: Int,
-    val title: String,
-    val oldPrice: Int,
-    val newPrice: Int
-)
-
-fun getAllDiscountProducts() : List<DiscountProductModel> {
-    return listOf(
-        DiscountProductModel(1, "Шаурма", 150, 120),
-        DiscountProductModel(1, "Шаурма", 150, 120)
-    )
-}

app/src/main/java/com/example/shawarma/models/OrderModel.kt

@@ -1,34 +0,0 @@
-package com.example.shawarma.models
-
-import java.util.Date
-
-
-data class OrderModel(
-    val id: Int,
-    val status: OrderStatus,
-    val productsId: HashMap<Int, Int>,
-    val userId: Int,
-    val date: Date
-)
-
-fun getOrdersByUserId() : List<OrderModel> {
-    val map1 = HashMap<Int, Int>()
-    map1[1] = 2
-
-    val map2 = HashMap<Int, Int>()
-    map2[1] = 2
-    return listOf(
-        OrderModel(1, OrderStatus.Unpaid, map1, 1, Date()),
-        OrderModel(2, OrderStatus.Preparing, map2 , 1, Date())
-    )
-}
-
-fun getAllOrders() : List<OrderModel> {
-    val map1 = HashMap<Int, Int>()
-    map1[1] = 2
-    return listOf(
-        OrderModel(1, OrderStatus.Prepared, map1, 1, Date()),
-        OrderModel(2, OrderStatus.Preparing, map1 , 1, Date()),
-        OrderModel(3, OrderStatus.Processed, map1 , 1, Date())
-    )
-}

app/src/main/java/com/example/shawarma/models/ProductModel.kt

@@ -1,19 +0,0 @@
-package com.example.shawarma.models
-
-data class ProductModel(
-    val id: Int,
-    val title: String,
-    val price: Int
-)
-
-fun getProducts() :List<ProductModel> {
-    return listOf(
-        ProductModel(1, "Классика", 150),
-        ProductModel(1, "Классика", 150),
-        ProductModel(1, "Классика", 150),
-        ProductModel(1, "Классика", 150),
-        ProductModel(1, "Классика", 150),
-        ProductModel(1, "Классика", 150),
-    )
-
-}

app/src/main/java/com/example/shawarma/models/Status.kt

@@ -1,5 +0,0 @@
-package com.example.shawarma.models
-
-enum class OrderStatus {
-    Unpaid, Preparing, Prepared, Processed
-}

app/src/main/java/com/example/shawarma/models/UserModel.kt

@@ -1,8 +0,0 @@
-package com.example.shawarma.models
-
-data class UserModel(
-    val id: Int,
-    val login: String,
-    val password: String,
-    val role: String
-)

app/src/main/java/com/example/shawarma/screens/cart/CartScreen.kt

@@ -2,14 +2,11 @@ package com.example.shawarma.screens.cart
 
 import androidx.compose.foundation.BorderStroke
 import androidx.compose.foundation.background
-import androidx.compose.foundation.gestures.Orientation
-import androidx.compose.foundation.gestures.scrollable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
@@ -26,27 +23,31 @@ import androidx.compose.material.Card
 import androidx.compose.material.Icon
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 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.font.FontWeight
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.compose.ui.zIndex
 import com.example.shawarma.R
-import com.example.shawarma.models.OrderModel
-import com.example.shawarma.models.OrderStatus
-import com.example.shawarma.models.getOrdersByUserId
+import com.example.shawarma.data.db.AppDatabase
+import com.example.shawarma.data.models.OrderStatus
+import com.example.shawarma.data.models.OrderWithProducts
 import com.example.shawarma.ui.theme.MarckFamily
 import com.example.shawarma.ui.theme.MyLightRed
 import com.example.shawarma.ui.theme.MyMainBackground
 import com.example.shawarma.ui.theme.MyOrange
 import com.example.shawarma.ui.theme.NunitoFamily
 import com.example.shawarma.widgets.ShawarmaLogo2
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 
 @Composable
 fun CartScreen() {
@@ -61,15 +62,25 @@ fun CartScreen() {
 @Composable
 fun CartWidget(){
 
-    val orders = getOrdersByUserId()
-    val unpaidOrders = mutableListOf<OrderModel>()
-    val preparingOrders = mutableListOf<OrderModel>()
+    val context = LocalContext.current
+    val orders = remember { mutableStateListOf<OrderWithProducts>() }
+    LaunchedEffect(Unit) {
+        withContext(Dispatchers.IO) {
+            AppDatabase.getInstance(context).orderDao().getByUserId(1).collect { data ->
+                orders.clear()
+                orders.addAll(data)
+            }
+        }
+    }
+
+    val unpaidOrders = mutableListOf<OrderWithProducts>()
+    val preparingOrders = mutableListOf<OrderWithProducts>()
 
     for(order in orders) {
-        if (order.status == OrderStatus.Unpaid) {
+        if (order.order.status == OrderStatus.Неоплачено.toString()) {
             unpaidOrders.add(order)
         }
-        if (order.status == OrderStatus.Preparing) {
+        if (order.order.status == OrderStatus.Готовится.toString() || order.order.status == OrderStatus.Готово.toString()) {
             preparingOrders.add(order)
         }
     }
@@ -110,8 +121,8 @@ fun CartWidget(){
                     .width(340.dp)
                     .height(200.dp)
             ) {
-                items(preparingOrders.size * 2) {
-                        PaidItem(preparingOrders[0])
+                items(preparingOrders.size) { index ->
+                        PaidItem(preparingOrders[index])
                 }
             }
             Text(
@@ -126,8 +137,8 @@ fun CartWidget(){
                     .width(340.dp)
                     .height(200.dp)
             ) {
-                items(unpaidOrders.size * 2) {
-                    PaidItem(unpaidOrders[0])
+                items(unpaidOrders.size) {index ->
+                    CartItem(unpaidOrders[index])
                 }
             }
 
@@ -158,7 +169,7 @@ fun CartWidget(){
 }
 
 @Composable
-fun PaidItem(order : OrderModel) {
+fun PaidItem(order : OrderWithProducts) {
     Card(
         border = BorderStroke(width = 2.dp, color = MyOrange),
         shape = RoundedCornerShape(size = 20.dp),
@@ -173,21 +184,21 @@ fun PaidItem(order : OrderModel) {
                     .padding(horizontal = 20.dp)
             ){
                 Text(
-                    text = "Классика",
+                    text = order.orderWithProducts[0].productList[0].title,
                     fontFamily = NunitoFamily,
                     fontSize = 20.sp,
                     modifier = Modifier.padding(top = 15.dp),
                     fontWeight = FontWeight.Bold
                 )
                 Text(
-                    text = "x" + order.productsId.values.first().toString(),
+                    text = "x" + order.orderWithProducts[0].orderProductModel.quantity,
                     fontFamily = NunitoFamily,
                     fontSize = 20.sp,
                     modifier = Modifier.padding(top = 15.dp),
                     fontWeight = FontWeight.Bold
                 )
                 Text(
-                    text = "150 руб.",
+                    text = order.orderWithProducts[0].orderProductModel.totalPrice.toString() + " руб.",
                     fontFamily = NunitoFamily,
                     fontSize = 20.sp,
                     modifier = Modifier.padding(top = 15.dp),
@@ -210,7 +221,7 @@ fun PaidItem(order : OrderModel) {
                     color = Color.Gray
                 )
                 Text(
-                    text = "Готовится",
+                    text = order.order.status,
                     fontFamily = NunitoFamily,
                     fontSize = 20.sp,
                     modifier = Modifier.padding(top = 15.dp),
@@ -224,7 +235,7 @@ fun PaidItem(order : OrderModel) {
 }
 
 @Composable
-fun CartItem(order : OrderModel) {
+fun CartItem(order : OrderWithProducts) {
     Card(
         border = BorderStroke(width = 2.dp, color = MyOrange),
         shape = RoundedCornerShape(size = 20.dp),
@@ -245,20 +256,20 @@ fun CartItem(order : OrderModel) {
                     modifier = Modifier.fillMaxWidth()
                 ){
                     Text(
-                        text = "Классика",
+                        text = order.orderWithProducts[0].productList[0].title,
                         fontFamily = NunitoFamily,
                         fontSize = 20.sp,
                         fontWeight = FontWeight.Bold
                     )
                     Text(
-                        text = "x" + order.productsId.values.first().toString(),
+                        text = "x" + order.orderWithProducts[0].orderProductModel.quantity,
                         fontFamily = NunitoFamily,
                         fontSize = 20.sp,
                         fontWeight = FontWeight.Bold
                     )
                 }
                 Text(
-                    text = "150 руб.",
+                    text = order.orderWithProducts[0].orderProductModel.totalPrice.toString() + " руб.",
                     fontFamily = NunitoFamily,
                     fontSize = 20.sp,
                     fontWeight = FontWeight.Bold

app/src/main/java/com/example/shawarma/screens/discount/DiscountScreen.kt

@@ -20,10 +20,14 @@ import androidx.compose.material.ButtonDefaults
 import androidx.compose.material.Card
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextDecoration
@@ -31,8 +35,10 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.compose.ui.zIndex
 import com.example.shawarma.R
-import com.example.shawarma.models.DiscountProductModel
-import com.example.shawarma.models.getAllDiscountProducts
+import com.example.shawarma.data.db.AppDatabase
+import com.example.shawarma.data.models.DiscountProductModel
+import com.example.shawarma.data.models.ProductModel
+import com.example.shawarma.data.models.getAllDiscountProducts
 import com.example.shawarma.screens.home.HomeList
 import com.example.shawarma.ui.theme.MarckFamily
 import com.example.shawarma.ui.theme.MyLightYellow
@@ -41,6 +47,8 @@ import com.example.shawarma.ui.theme.MyOrange
 import com.example.shawarma.ui.theme.MyPriceBackground
 import com.example.shawarma.ui.theme.NunitoFamily
 import com.example.shawarma.widgets.ShawarmaLogo2
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 
 @Composable
 fun DiscountScreen() {
@@ -56,7 +64,16 @@ fun DiscountScreen() {
 @Composable
 fun DiscountList(){
 
-    val products = getAllDiscountProducts()
+    val context = LocalContext.current
+    val products = remember { mutableStateListOf<ProductModel>() }
+    LaunchedEffect(Unit) {
+        withContext(Dispatchers.IO) {
+            AppDatabase.getInstance(context).productDao().getDiscounts().collect { data ->
+                products.clear()
+                products.addAll(data)
+            }
+        }
+    }
 
     Box(
         modifier = Modifier
@@ -100,7 +117,7 @@ fun DiscountList(){
 }
 
 @Composable
-fun DiscountCard(product : DiscountProductModel){
+fun DiscountCard(product : ProductModel){
     Card(
         shape = RoundedCornerShape(20.dp),
         backgroundColor = Color.White,
@@ -144,7 +161,7 @@ fun DiscountCard(product : DiscountProductModel){
                             textDecoration = TextDecoration.LineThrough
                         )
                         Text(
-                            text = product.newPrice.toString() + "руб. ",
+                            text = product.price.toString() + "руб. ",
                             fontFamily = NunitoFamily,
                             fontSize =  16.sp,
                             fontWeight = FontWeight.ExtraBold,

app/src/main/java/com/example/shawarma/screens/home/HomeScreen.kt

@@ -21,18 +21,23 @@ import androidx.compose.material.ButtonDefaults
 import androidx.compose.material.Card
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.compose.ui.zIndex
 import com.example.shawarma.R
-import com.example.shawarma.models.ProductModel
-import com.example.shawarma.models.getProducts
+import com.example.shawarma.data.db.AppDatabase
+import com.example.shawarma.data.models.ProductModel
+import com.example.shawarma.data.models.getProducts
 import com.example.shawarma.ui.theme.MarckFamily
 import com.example.shawarma.ui.theme.MyLightYellow
 import com.example.shawarma.ui.theme.MyMainBackground
@@ -40,6 +45,8 @@ import com.example.shawarma.ui.theme.MyOrange
 import com.example.shawarma.ui.theme.MyPriceBackground
 import com.example.shawarma.ui.theme.NunitoFamily
 import com.example.shawarma.widgets.ShawarmaLogo2
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 
 @Composable
 fun HomeScreen() {
@@ -53,8 +60,16 @@ fun HomeScreen() {
 
 @Composable
 fun HomeList(){
-
-    val products = getProducts()
+    val context = LocalContext.current
+    val products = remember { mutableStateListOf<ProductModel>() }
+    LaunchedEffect(Unit) {
+        withContext(Dispatchers.IO) {
+            AppDatabase.getInstance(context).productDao().getAll().collect { data ->
+                products.clear()
+                products.addAll(data)
+            }
+        }
+    }
 
     Box(
         modifier = Modifier

app/src/main/java/com/example/shawarma/screens/orders/OrdersScreen.kt

@@ -22,23 +22,29 @@ import androidx.compose.material.ButtonDefaults
 import androidx.compose.material.Card
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.compose.ui.zIndex
-import com.example.shawarma.models.OrderModel
-import com.example.shawarma.models.OrderStatus
-import com.example.shawarma.models.getAllOrders
+import com.example.shawarma.data.db.AppDatabase
+import com.example.shawarma.data.models.OrderStatus
+import com.example.shawarma.data.models.OrderWithProducts
 import com.example.shawarma.ui.theme.MarckFamily
 import com.example.shawarma.ui.theme.MyLightYellow
 import com.example.shawarma.ui.theme.MyMainBackground
 import com.example.shawarma.ui.theme.MyOrange
 import com.example.shawarma.ui.theme.NunitoFamily
 import com.example.shawarma.widgets.ShawarmaLogo2
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 import java.text.SimpleDateFormat
 
 @Composable
@@ -53,20 +59,29 @@ fun OrdersScreen() {
 
 @Composable
 fun OrdersList(){
+    val context = LocalContext.current
+    val allOrders = remember { mutableStateListOf<OrderWithProducts>() }
+    LaunchedEffect(Unit) {
+        withContext(Dispatchers.IO) {
+            AppDatabase.getInstance(context).orderDao().getAll().collect { data ->
+                allOrders.clear()
+                allOrders.addAll(data)
+            }
+        }
+    }
 
-    val allOrders = getAllOrders()
-    val preparingOrders = mutableListOf<OrderModel>()
-    val preparedOrders = mutableListOf<OrderModel>()
-    val processedOrders = mutableListOf<OrderModel>()
+    val preparingOrders = mutableListOf<OrderWithProducts>()
+    val preparedOrders = mutableListOf<OrderWithProducts>()
+    val processedOrders = mutableListOf<OrderWithProducts>()
 
     for (order in allOrders){
-        if (order.status == OrderStatus.Preparing) {
+        if (order.order.status == OrderStatus.Готовится.toString()) {
             preparingOrders.add(order)
         }
-        if (order.status == OrderStatus.Prepared) {
+        if (order.order.status == OrderStatus.Готово.toString()) {
             preparedOrders.add(order)
         }
-        if (order.status == OrderStatus.Processed) {
+        if (order.order.status == OrderStatus.Выдано.toString()) {
             processedOrders.add(order)
         }
     }
@@ -108,9 +123,11 @@ fun OrdersList(){
                     .width(340.dp)
                     .height(250.dp)
             ) {
-                items(preparingOrders.size) {
-                    index ->
-                    PreparingItem(preparedOrders[index])
+                if (preparingOrders.size != 0) {
+                    items(preparingOrders.size) {
+                            index ->
+                        PreparingItem(preparingOrders[index])
+                    }
                 }
             }
             Text(
@@ -125,9 +142,11 @@ fun OrdersList(){
                     .width(340.dp)
                     .height(250.dp)
             ) {
-                items(preparedOrders.size) {
-                    index ->
-                    PreparedItem(preparedOrders[index])
+                if (preparedOrders.size != 0) {
+                    items(preparedOrders.size) {
+                            index ->
+                        PreparedItem(preparedOrders[index])
+                    }
                 }
             }
             Text(
@@ -142,8 +161,10 @@ fun OrdersList(){
                     .width(340.dp)
                     .height(250.dp)
             ) {
-                items(2) {
-                    ProcessedItem()
+                if (processedOrders.size != 0) {
+                    items(processedOrders.size) {index ->
+                        ProcessedItem(processedOrders[index])
+                    }
                 }
             }
             Spacer(modifier = Modifier.height(70.dp))
@@ -154,7 +175,7 @@ fun OrdersList(){
 }
 
 @Composable
-fun PreparingItem(order : OrderModel){
+fun PreparingItem(order : OrderWithProducts){
     Card(
         border = BorderStroke(width = 2.dp, color = MyOrange),
         shape = RoundedCornerShape(size = 20.dp),
@@ -171,7 +192,7 @@ fun PreparingItem(order : OrderModel){
                 modifier = Modifier.fillMaxWidth(0.5f)
             ){
                 val localDateFormat = SimpleDateFormat("HH:mm")
-                val time = localDateFormat.format(order.date)
+                val time = localDateFormat.format(order.order.date)
                 Text(
                     text = time,
                     fontFamily = NunitoFamily,
@@ -183,13 +204,13 @@ fun PreparingItem(order : OrderModel){
                     modifier = Modifier.fillMaxWidth()
                 ){
                     Text(
-                        text = "Классика",
+                        text = order.orderWithProducts[0].productList[0].title,
                         fontFamily = NunitoFamily,
                         fontSize = 20.sp,
                         fontWeight = FontWeight.Bold
                     )
                     Text(
-                        text = "x" + order.productsId.values.first().toString(),
+                        text = "x" + order.orderWithProducts[0].orderProductModel.quantity,
                         fontFamily = NunitoFamily,
                         fontSize = 20.sp,
                         fontWeight = FontWeight.Bold
@@ -222,7 +243,7 @@ fun PreparingItem(order : OrderModel){
 }
 
 @Composable
-fun PreparedItem(order : OrderModel){
+fun PreparedItem(order : OrderWithProducts){
     Card(
         border = BorderStroke(width = 2.dp, color = MyOrange),
         shape = RoundedCornerShape(size = 20.dp),
@@ -239,7 +260,7 @@ fun PreparedItem(order : OrderModel){
                 modifier = Modifier.fillMaxWidth(0.5f)
             ){
                 val localDateFormat = SimpleDateFormat("HH:mm")
-                val time = localDateFormat.format(order.date)
+                val time = localDateFormat.format(order.order.date)
                 Text(
                     text = time,
                     fontFamily = NunitoFamily,
@@ -251,13 +272,13 @@ fun PreparedItem(order : OrderModel){
                     modifier = Modifier.fillMaxWidth()
                 ){
                     Text(
-                        text = "Классика",
+                        text = order.orderWithProducts[0].productList[0].title,
                         fontFamily = NunitoFamily,
                         fontSize = 20.sp,
                         fontWeight = FontWeight.Bold
                     )
                     Text(
-                        text = "x" + order.productsId.values.first().toString(),
+                        text = "x" + order.orderWithProducts[0].orderProductModel.quantity,
                         fontFamily = NunitoFamily,
                         fontSize = 20.sp,
                         fontWeight = FontWeight.Bold
@@ -290,7 +311,7 @@ fun PreparedItem(order : OrderModel){
 }
 
 @Composable
-fun ProcessedItem(){
+fun ProcessedItem(order : OrderWithProducts){
     Card(
         border = BorderStroke(width = 2.dp, color = MyOrange),
         shape = RoundedCornerShape(size = 20.dp),
@@ -306,8 +327,10 @@ fun ProcessedItem(){
 
                 modifier = Modifier.fillMaxWidth(0.5f)
             ){
+                val localDateFormat = SimpleDateFormat("HH:mm")
+                val time = localDateFormat.format(order.order.date)
                 Text(
-                    text = "16:24",
+                    text = time,
                     fontFamily = NunitoFamily,
                     fontSize = 20.sp,
                     fontWeight = FontWeight.Bold
@@ -317,13 +340,13 @@ fun ProcessedItem(){
                     modifier = Modifier.fillMaxWidth()
                 ){
                     Text(
-                        text = "Классика",
+                        text = order.orderWithProducts[0].productList[0].title,
                         fontFamily = NunitoFamily,
                         fontSize = 20.sp,
                         fontWeight = FontWeight.Bold
                     )
                     Text(
-                        text = "x2",
+                        text = "x" + order.orderWithProducts[0].orderProductModel.quantity,
                         fontFamily = NunitoFamily,
                         fontSize = 20.sp,
                         fontWeight = FontWeight.Bold
@@ -337,13 +360,13 @@ fun ProcessedItem(){
                 modifier = Modifier.fillMaxWidth(0.5f)
             ){
                 Text(
-                    text = "300 руб.",
+                    text = order.orderWithProducts[0].orderProductModel.totalPrice.toString(),
                     fontFamily = NunitoFamily,
                     fontSize = 14.sp,
                     fontWeight = FontWeight.Bold
                 )
                 Text(
-                    text = "20.03.2012",
+                    text = order.order.date.toString(),
                     fontFamily = NunitoFamily,
                     fontSize = 14.sp,
                     fontWeight = FontWeight.Bold