back deployed to server

.idea/deploymentTargetDropDown.xml

@@ -3,20 +3,7 @@
   <component name="deploymentTargetDropDown">
     <value>
       <entry key="app">
-        <State>
-          <targetSelectedWithDropDown>
-            <Target>
-              <type value="QUICK_BOOT_TARGET" />
-              <deviceKey>
-                <Key>
-                  <type value="VIRTUAL_DEVICE_PATH" />
-                  <value value="$USER_HOME$/.android/avd/Pixel_7_API_33.avd" />
-                </Key>
-              </deviceKey>
-            </Target>
-          </targetSelectedWithDropDown>
-          <timeTargetWasSelectedWithDropDown value="2023-12-20T08:37:35.519292927Z" />
-        </State>
+        <State />
       </entry>
     </value>
   </component>

app/build.gradle.kts

@@ -11,7 +11,7 @@ android {
 
     defaultConfig {
         applicationId = "com.zyzf.coffeepreorder"
-        minSdk = 24
+        minSdk = 26
         targetSdk = 33
         versionCode = 1
         versionName = "1.0"

app/src/main/java/com/zyzf/coffeepreorder/api/MyServerService.kt

@@ -2,7 +2,12 @@ package com.zyzf.coffeepreorder.api
 
 import com.jakewharton.retrofit2.converter.kotlinx.serialization.asConverterFactory
 import com.zyzf.coffeepreorder.api.model.CoffeeRemote
+import com.zyzf.coffeepreorder.api.model.OrderCoffeeCrossRefRemote
+import com.zyzf.coffeepreorder.api.model.OrderCoffeeRemote
+import com.zyzf.coffeepreorder.api.model.OrderRemote
 import com.zyzf.coffeepreorder.api.model.UserRemote
+import com.zyzf.coffeepreorder.database.model.OrderCoffeeCrossRef
+import com.zyzf.coffeepreorder.database.model.OrderWithCoffees
 import kotlinx.serialization.json.Json
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.OkHttpClient
@@ -77,8 +82,44 @@ interface MyServerService {
         @Path("id") id: Int,
     ): CoffeeRemote
 
+    @GET("order/byDate")
+    suspend fun getOrdersByDate(
+        @Query("startDate") startDate: String,
+        @Query("endDate") endDate: String,
+    ): List<OrderCoffeeRemote>
+
+    @POST("order/")
+    suspend fun createOrder(
+        @Body order: OrderRemote,
+    ): OrderRemote
+
+    @GET("order/byUser")
+    suspend fun getOrdersByUser(
+        @Query("userId") userId: Int,
+        @Query("pageNo") page: Int,
+        @Query("pageSize") limit: Int,
+    ): List<OrderRemote>
+
+    @GET("order/coffeesByOrder")
+    suspend fun getCoffeesByOrder(
+        @Query("orderId") orderId: Int,
+    ): List<CoffeeRemote>
+
+    @GET("order/coffeeCrossRef")
+    suspend fun getOrderCoffees(): List<OrderCoffeeCrossRefRemote>
+
+    @POST("order/coffeeCrossRef")
+    suspend fun createOrderCoffee(
+        @Body orderCoffee: OrderCoffeeCrossRefRemote,
+    )
+
+    @DELETE("order/coffeeCrossRef/{id}")
+    suspend fun deleteOrderCoffee(
+        @Path("id") id: Int,
+    )
+
     companion object {
-        private const val BASE_URL = "http://192.168.0.100:8080/api/"
+        private const val BASE_URL = "https://api.zyzf.space/api/"
 
         @Volatile
         private var INSTANCE: MyServerService? = null

app/src/main/java/com/zyzf/coffeepreorder/api/coffee/CoffeeRemoteMediator.kt

@@ -63,7 +63,7 @@ class CoffeeRemoteMediator(
                 val nextKey = if (endOfPaginationReached) null else page + 1
                 val keys = coffees.map {
                     RemoteKeys(
-                        entityId = it.uid,
+                        entityId = it.coffeeId,
                         type = RemoteKeyType.COFFEE,
                         prevKey = prevKey,
                         nextKey = nextKey
@@ -83,14 +83,14 @@ class CoffeeRemoteMediator(
     private suspend fun getRemoteKeyForLastItem(state: PagingState<Int, Coffee>): RemoteKeys? {
         return state.pages.lastOrNull { it.data.isNotEmpty() }?.data?.lastOrNull()
             ?.let { coffee ->
-                dbRemoteKeyRepository.getAllRemoteKeys(coffee.uid, RemoteKeyType.COFFEE)
+                dbRemoteKeyRepository.getAllRemoteKeys(coffee.coffeeId, RemoteKeyType.COFFEE)
             }
     }
 
     private suspend fun getRemoteKeyForFirstItem(state: PagingState<Int, Coffee>): RemoteKeys? {
         return state.pages.firstOrNull { it.data.isNotEmpty() }?.data?.firstOrNull()
             ?.let { coffee ->
-                dbRemoteKeyRepository.getAllRemoteKeys(coffee.uid, RemoteKeyType.COFFEE)
+                dbRemoteKeyRepository.getAllRemoteKeys(coffee.coffeeId, RemoteKeyType.COFFEE)
             }
     }
 
@@ -98,7 +98,7 @@ class CoffeeRemoteMediator(
         state: PagingState<Int, Coffee>
     ): RemoteKeys? {
         return state.anchorPosition?.let { position ->
-            state.closestItemToPosition(position)?.uid?.let { coffeeUid ->
+            state.closestItemToPosition(position)?.coffeeId?.let { coffeeUid ->
                 dbRemoteKeyRepository.getAllRemoteKeys(coffeeUid, RemoteKeyType.COFFEE)
             }
         }

app/src/main/java/com/zyzf/coffeepreorder/api/coffee/RestCoffeeRepository.kt

@@ -47,14 +47,14 @@ class RestCoffeeRepository(
         service.getCoffee(uid).toCoffee()
 
     override suspend fun insert(coffee: Coffee): Long {
-        return service.createCoffee(coffee.toCoffeeRemote()).toCoffee().uid.toLong()
+        return service.createCoffee(coffee.toCoffeeRemote()).toCoffee().coffeeId.toLong()
     }
 
     override suspend fun update(coffee: Coffee): Int {
-        return service.updateCoffee(coffee.uid, coffee.toCoffeeRemote()).toCoffee().uid
+        return service.updateCoffee(coffee.coffeeId, coffee.toCoffeeRemote()).toCoffee().coffeeId
     }
 
     override suspend fun delete(coffee: Coffee) {
-        service.deleteCoffee(coffee.uid).toCoffee()
+        service.deleteCoffee(coffee.coffeeId).toCoffee()
     }
 }

app/src/main/java/com/zyzf/coffeepreorder/api/model/CoffeeRemote.kt

@@ -19,7 +19,7 @@ fun CoffeeRemote.toCoffee(): Coffee = Coffee(
 )
 
 fun Coffee.toCoffeeRemote(): CoffeeRemote = CoffeeRemote(
-    uid,
+    coffeeId,
     name,
     cost,
     ingredients

app/src/main/java/com/zyzf/coffeepreorder/api/model/OrderCoffeeCrossRefRemote.kt

@@ -0,0 +1,23 @@
+package com.zyzf.coffeepreorder.api.model
+
+import com.zyzf.coffeepreorder.database.model.OrderCoffeeCrossRef
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class OrderCoffeeCrossRefRemote(
+    val orderId: Int = 0,
+    val coffeeId: Int = 0,
+    val count: Int = 0
+)
+
+fun OrderCoffeeCrossRefRemote.toOrderCoffeeCrossRef(): OrderCoffeeCrossRef = OrderCoffeeCrossRef(
+    orderId,
+    coffeeId,
+    count
+)
+
+fun OrderCoffeeCrossRef.toOrderCoffeeCrossRefRemote(): OrderCoffeeCrossRefRemote = OrderCoffeeCrossRefRemote(
+    orderId,
+    coffeeId,
+    count
+)

app/src/main/java/com/zyzf/coffeepreorder/api/model/OrderCoffeeRemote.kt

@@ -0,0 +1,27 @@
+package com.zyzf.coffeepreorder.api.model
+
+import com.zyzf.coffeepreorder.database.model.Coffee
+import com.zyzf.coffeepreorder.database.model.OrderWithCoffees
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class OrderCoffeeRemote(
+    val order: OrderRemote = OrderRemote(),
+    val coffees: List<Pair<CoffeeRemote, Int>> = listOf()
+)
+
+fun OrderCoffeeRemote.toOrderWithCoffees(): OrderWithCoffees {
+    val convertedOrder = this.order.toOrder()
+    val convertedCoffees: List<Coffee> = this.coffees.map { it.first.toCoffee() }
+    val convertedCounts: List<Int> = this.coffees.map { it.second }
+    return OrderWithCoffees(convertedOrder, order.user.toUser(), convertedCoffees, convertedCounts)
+}
+
+fun OrderWithCoffees.toOrderCoffeeRemote(): OrderCoffeeRemote {
+    val convertedOrder = this.order.toOrderRemote()
+    var convertedCoffees = ArrayList<Pair<CoffeeRemote, Int>>()
+    for (i in (0..this.coffees.count()-1)) {
+        convertedCoffees.add(Pair(this.coffees[i].toCoffeeRemote(), this.counts[i]))
+    }
+    return OrderCoffeeRemote(convertedOrder, convertedCoffees)
+}

app/src/main/java/com/zyzf/coffeepreorder/api/model/OrderRemote.kt

@@ -0,0 +1,43 @@
+package com.zyzf.coffeepreorder.api.model
+
+import com.zyzf.coffeepreorder.api.MyServerService
+import com.zyzf.coffeepreorder.api.user.RestUserRepository
+import com.zyzf.coffeepreorder.database.AppContainer
+import com.zyzf.coffeepreorder.database.AppDataContainer
+import com.zyzf.coffeepreorder.database.AppDatabase
+import com.zyzf.coffeepreorder.database.model.Order
+import com.zyzf.coffeepreorder.database.model.OrderWithCoffees
+import com.zyzf.coffeepreorder.database.model.User
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.runBlocking
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class OrderRemote(
+    val id: Int = 0,
+    val date: String = "",
+    val user: UserRemote = User.getUser().toUserRemote(),
+    val sum: Double = 0.0
+)
+
+fun OrderRemote.toOrder(): Order = Order(
+    id,
+    date,
+    user.id,
+    sum
+)
+
+fun Order.toOrderRemote(): OrderRemote = OrderRemote(
+    orderId,
+    date,
+    temp(userId),
+    sum
+)
+
+private fun temp(userId: Int): UserRemote {
+    var user: UserRemote? = null
+    runBlocking {
+        user = MyServerService.getInstance().getUser(userId)
+    }
+    return user!!
+}

app/src/main/java/com/zyzf/coffeepreorder/api/model/UserRemote.kt

@@ -23,7 +23,7 @@ fun UserRemote.toUser(): User = User(
 )
 
 fun User.toUserRemote(): UserRemote = UserRemote(
-    uid,
+    userId,
     login,
     fio,
     phone,

app/src/main/java/com/zyzf/coffeepreorder/api/order/OrderRemoteMediator.kt

@@ -0,0 +1,111 @@
+package com.zyzf.coffeepreorder.api.order
+
+import androidx.paging.ExperimentalPagingApi
+import androidx.paging.LoadType
+import androidx.paging.PagingState
+import androidx.paging.RemoteMediator
+import androidx.room.withTransaction
+import com.zyzf.coffeepreorder.CoffeeApplication
+import com.zyzf.coffeepreorder.api.MyServerService
+import com.zyzf.coffeepreorder.api.model.toCoffee
+import com.zyzf.coffeepreorder.api.model.toOrder
+import com.zyzf.coffeepreorder.database.AppContainer
+import com.zyzf.coffeepreorder.database.AppDatabase
+import com.zyzf.coffeepreorder.database.model.Coffee
+import com.zyzf.coffeepreorder.database.model.Order
+import com.zyzf.coffeepreorder.database.model.RemoteKeyType
+import com.zyzf.coffeepreorder.database.model.RemoteKeys
+import com.zyzf.coffeepreorder.database.repository.OfflineCoffeeRepository
+import com.zyzf.coffeepreorder.database.repository.OfflineOrderRepository
+import com.zyzf.coffeepreorder.database.repository.OfflineRemoteKeyRepository
+import retrofit2.HttpException
+import java.io.IOException
+
+@OptIn(ExperimentalPagingApi::class)
+class OrderRemoteMediator(
+    private val service: MyServerService,
+    private val dbOrderRepository: OfflineOrderRepository,
+    private val dbRemoteKeyRepository: OfflineRemoteKeyRepository,
+    private val database: AppDatabase
+) : RemoteMediator<Int, Order>() {
+
+    override suspend fun initialize(): InitializeAction {
+        return InitializeAction.LAUNCH_INITIAL_REFRESH
+    }
+
+    override suspend fun load(
+        loadType: LoadType,
+        state: PagingState<Int, Order>
+    ): MediatorResult {
+        val page = when (loadType) {
+            LoadType.REFRESH -> {
+                val remoteKeys = getRemoteKeyClosestToCurrentPosition(state)
+                remoteKeys?.nextKey?.minus(1) ?: 1
+            }
+
+            LoadType.PREPEND -> {
+                val remoteKeys = getRemoteKeyForFirstItem(state)
+                remoteKeys?.prevKey
+                    ?: return MediatorResult.Success(endOfPaginationReached = remoteKeys != null)
+            }
+
+            LoadType.APPEND -> {
+                val remoteKeys = getRemoteKeyForLastItem(state)
+                remoteKeys?.nextKey
+                    ?: return MediatorResult.Success(endOfPaginationReached = remoteKeys != null)
+            }
+        }
+
+        try {
+            val orders = service.getOrdersByUser(CoffeeApplication.currentUser!!.userId, page, state.config.pageSize).map { it.toOrder() }
+            val endOfPaginationReached = orders.isEmpty()
+            database.withTransaction {
+                if (loadType == LoadType.REFRESH) {
+                    dbRemoteKeyRepository.deleteRemoteKey(RemoteKeyType.ORDER)
+                    dbOrderRepository.deleteAll()
+                }
+                val prevKey = if (page == 1) null else page - 1
+                val nextKey = if (endOfPaginationReached) null else page + 1
+                val keys = orders.map {
+                    RemoteKeys(
+                        entityId = it.orderId,
+                        type = RemoteKeyType.ORDER,
+                        prevKey = prevKey,
+                        nextKey = nextKey
+                    )
+                }
+                dbRemoteKeyRepository.createRemoteKeys(keys)
+                dbOrderRepository.insertOrders(orders)
+            }
+            return MediatorResult.Success(endOfPaginationReached = endOfPaginationReached)
+        } catch (exception: IOException) {
+            return MediatorResult.Error(exception)
+        } catch (exception: HttpException) {
+            return MediatorResult.Error(exception)
+        }
+    }
+
+    private suspend fun getRemoteKeyForLastItem(state: PagingState<Int, Order>): RemoteKeys? {
+        return state.pages.lastOrNull { it.data.isNotEmpty() }?.data?.lastOrNull()
+            ?.let { order ->
+                dbRemoteKeyRepository.getAllRemoteKeys(order.orderId, RemoteKeyType.ORDER)
+            }
+    }
+
+    private suspend fun getRemoteKeyForFirstItem(state: PagingState<Int, Order>): RemoteKeys? {
+        return state.pages.firstOrNull { it.data.isNotEmpty() }?.data?.firstOrNull()
+            ?.let { order ->
+                dbRemoteKeyRepository.getAllRemoteKeys(order.orderId, RemoteKeyType.ORDER)
+            }
+    }
+
+    private suspend fun getRemoteKeyClosestToCurrentPosition(
+        state: PagingState<Int, Order>
+    ): RemoteKeys? {
+        return state.anchorPosition?.let { position ->
+            state.closestItemToPosition(position)?.orderId?.let { orderUid ->
+                dbRemoteKeyRepository.getAllRemoteKeys(orderUid, RemoteKeyType.ORDER)
+            }
+        }
+    }
+}

app/src/main/java/com/zyzf/coffeepreorder/api/order/RestOrderCoffeesRepository.kt

@@ -0,0 +1,39 @@
+package com.zyzf.coffeepreorder.api.order
+
+import android.util.Log
+import com.zyzf.coffeepreorder.api.MyServerService
+import com.zyzf.coffeepreorder.api.model.toOrderCoffeeCrossRef
+import com.zyzf.coffeepreorder.api.model.toOrderCoffeeCrossRefRemote
+import com.zyzf.coffeepreorder.database.model.OrderCoffeeCrossRef
+import com.zyzf.coffeepreorder.database.repository.OfflineOrderWithCoffeesRepository
+import com.zyzf.coffeepreorder.database.repository.OrderWithCoffeesRepository
+
+class RestOrderCoffeesRepository (
+    private val service: MyServerService,
+    private val dbOrderCoffeeRepository: OfflineOrderWithCoffeesRepository,
+): OrderWithCoffeesRepository {
+        override suspend fun getAll(): List<OrderCoffeeCrossRef> {
+            Log.d(RestOrderCoffeesRepository::class.simpleName, "Get OrderCoffees")
+
+            val existOrderCoffees = dbOrderCoffeeRepository.getAll().toMutableList()
+            val serverOrderCoffees = service.getOrderCoffees().map { it.toOrderCoffeeCrossRef() }
+
+            // Найти записи для удаления (те, что есть в БД, но отсутствуют на сервере)
+            val toDelete = existOrderCoffees.filterNot { serverOrderCoffees.contains(it) }
+            toDelete.forEach { dbOrderCoffeeRepository.delete(it) }
+
+            // Найти новые записи для добавления (те, что есть на сервере, но отсутствуют в БД)
+            val toAdd = serverOrderCoffees.filterNot { existOrderCoffees.contains(it) }
+            toAdd.forEach { dbOrderCoffeeRepository.insert(it) }
+
+            // Вернуть обновленный список записей из БД
+            return dbOrderCoffeeRepository.getAll()
+        }
+        override suspend fun insert(orderCoffee: OrderCoffeeCrossRef) {
+            service.createOrderCoffee(orderCoffee.toOrderCoffeeCrossRefRemote())
+        }
+
+        override suspend fun delete(orderCoffee: OrderCoffeeCrossRef) {
+            service.deleteOrderCoffee(orderCoffee.orderId)
+        }
+    }

app/src/main/java/com/zyzf/coffeepreorder/api/order/RestOrderRepository.kt

@@ -0,0 +1,62 @@
+package com.zyzf.coffeepreorder.api.order
+
+import android.util.Log
+import androidx.paging.ExperimentalPagingApi
+import androidx.paging.Pager
+import androidx.paging.PagingConfig
+import androidx.paging.PagingData
+import com.zyzf.coffeepreorder.api.MyServerService
+import com.zyzf.coffeepreorder.api.model.toCoffee
+import com.zyzf.coffeepreorder.api.model.toOrder
+import com.zyzf.coffeepreorder.api.model.toOrderRemote
+import com.zyzf.coffeepreorder.api.model.toOrderWithCoffees
+import com.zyzf.coffeepreorder.database.AppContainer
+import com.zyzf.coffeepreorder.database.AppDatabase
+import com.zyzf.coffeepreorder.database.model.Coffee
+import com.zyzf.coffeepreorder.database.model.Order
+import com.zyzf.coffeepreorder.database.model.OrderWithCoffees
+import com.zyzf.coffeepreorder.database.repository.OfflineOrderRepository
+import com.zyzf.coffeepreorder.database.repository.OfflineRemoteKeyRepository
+import com.zyzf.coffeepreorder.database.repository.OrderRepository
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.asFlow
+import kotlinx.coroutines.flow.flowOf
+
+class RestOrderRepository(
+    private val service: MyServerService,
+    private val dbOrderRepository: OfflineOrderRepository,
+    private val dbRemoteKeyRepository: OfflineRemoteKeyRepository,
+    private val database: AppDatabase
+) : OrderRepository {
+    override suspend fun getCoffeesByOrder(orderId: Int): Flow<List<Coffee>> {
+        return flowOf(service.getCoffeesByOrder(orderId).map { it.toCoffee() })
+    }
+
+    override suspend fun getOrdersByDate(startDate: String, endDate: String): Flow<List<OrderWithCoffees>> {
+        return flowOf(service.getOrdersByDate(startDate, endDate).map { it.toOrderWithCoffees() })
+    }
+
+    @OptIn(ExperimentalPagingApi::class)
+    override fun getOrdersByUser(id: Int): Flow<PagingData<Order>> {
+        Log.d(RestOrderRepository::class.simpleName, "Get Orders by User")
+
+        val pagingSourceFactory = { dbOrderRepository.getOrdersByUserPagingSource(id) }
+        return Pager(
+            config = PagingConfig(
+                pageSize = AppContainer.LIMIT,
+                enablePlaceholders = false
+            ),
+            remoteMediator = OrderRemoteMediator(
+                service,
+                dbOrderRepository,
+                dbRemoteKeyRepository,
+                database
+            ),
+            pagingSourceFactory = pagingSourceFactory
+        ).flow
+    }
+
+    override suspend fun insert(order: Order): Long {
+        return service.createOrder(order.toOrderRemote()).toOrder().orderId.toLong()
+    }
+}

app/src/main/java/com/zyzf/coffeepreorder/api/user/RestUserRepository.kt

@@ -44,21 +44,21 @@ class RestUserRepository(
     }
 
     override suspend fun getByUid(uid: Int): User =
-        service.getUser(uid).toUser()!!
+        service.getUser(uid).toUser()
 
-    override suspend fun tryLogin(login: String, password: String): User? =
+    override suspend fun tryLogin(login: String, password: String): User =
         service.tryLogin(login, password).toUser()
 
 
     override suspend fun insert(user: User): Long {
-        return service.createUser(user.toUserRemote()).toUser()?.uid?.toLong()!!
+        return service.createUser(user.toUserRemote()).toUser().userId.toLong()
     }
 
     override suspend fun update(user: User): Int {
-        return service.updateUser(user.uid, user.toUserRemote()).toUser()?.uid!!
+        return service.updateUser(user.userId, user.toUserRemote()).toUser().userId
     }
 
     override suspend fun delete(user: User) {
-        service.deleteUser(user.uid).toUser()
+        service.deleteUser(user.userId).toUser()
     }
 }

app/src/main/java/com/zyzf/coffeepreorder/api/user/UserRemoteMediator.kt

@@ -63,7 +63,7 @@ class UserRemoteMediator(
                 val nextKey = if (endOfPaginationReached) null else page + 1
                 val keys = users.map {
                     RemoteKeys(
-                        entityId = it.uid,
+                        entityId = it.userId,
                         type = RemoteKeyType.USER,
                         prevKey = prevKey,
                         nextKey = nextKey
@@ -83,14 +83,14 @@ class UserRemoteMediator(
     private suspend fun getRemoteKeyForLastItem(state: PagingState<Int, User>): RemoteKeys? {
         return state.pages.lastOrNull { it.data.isNotEmpty() }?.data?.lastOrNull()
             ?.let { user ->
-                dbRemoteKeyRepository.getAllRemoteKeys(user.uid, RemoteKeyType.USER)
+                dbRemoteKeyRepository.getAllRemoteKeys(user.userId, RemoteKeyType.USER)
             }
     }
 
     private suspend fun getRemoteKeyForFirstItem(state: PagingState<Int, User>): RemoteKeys? {
         return state.pages.firstOrNull { it.data.isNotEmpty() }?.data?.firstOrNull()
             ?.let { user ->
-                dbRemoteKeyRepository.getAllRemoteKeys(user.uid, RemoteKeyType.USER)
+                dbRemoteKeyRepository.getAllRemoteKeys(user.userId, RemoteKeyType.USER)
             }
     }
 
@@ -98,7 +98,7 @@ class UserRemoteMediator(
         state: PagingState<Int, User>
     ): RemoteKeys? {
         return state.anchorPosition?.let { position ->
-            state.closestItemToPosition(position)?.uid?.let { userUid ->
+            state.closestItemToPosition(position)?.userId?.let { userUid ->
                 dbRemoteKeyRepository.getAllRemoteKeys(userUid, RemoteKeyType.USER)
             }
         }

app/src/main/java/com/zyzf/coffeepreorder/database/AppContainer.kt

@@ -3,10 +3,14 @@ package com.zyzf.coffeepreorder.database
 import android.content.Context
 import com.zyzf.coffeepreorder.api.MyServerService
 import com.zyzf.coffeepreorder.api.coffee.RestCoffeeRepository
+import com.zyzf.coffeepreorder.api.order.RestOrderCoffeesRepository
+import com.zyzf.coffeepreorder.api.order.RestOrderRepository
 import com.zyzf.coffeepreorder.api.user.RestUserRepository
 import com.zyzf.coffeepreorder.database.repository.CartRepository
 import com.zyzf.coffeepreorder.database.repository.OfflineCartRepository
 import com.zyzf.coffeepreorder.database.repository.OfflineCoffeeRepository
+import com.zyzf.coffeepreorder.database.repository.OfflineOrderRepository
+import com.zyzf.coffeepreorder.database.repository.OfflineOrderWithCoffeesRepository
 import com.zyzf.coffeepreorder.database.repository.OfflineRemoteKeyRepository
 import com.zyzf.coffeepreorder.database.repository.OfflineUserRepository
 
@@ -14,6 +18,8 @@ interface AppContainer {
     val cartRepository: CartRepository
     val coffeeRestRepository: RestCoffeeRepository
     val userRestRepository: RestUserRepository
+    val orderRestRepository: RestOrderRepository
+    val orderCoffeesRestRepository: RestOrderCoffeesRepository
 
     companion object {
         const val LIMIT = 10
@@ -27,6 +33,12 @@ class AppDataContainer(private val context: Context) : AppContainer {
     private val userRepository: OfflineUserRepository by lazy {
         OfflineUserRepository(AppDatabase.getInstance(context).userDao())
     }
+    private val orderRepository: OfflineOrderRepository by lazy {
+        OfflineOrderRepository(AppDatabase.getInstance(context).orderDao())
+    }
+    private val orderCoffeesRepository: OfflineOrderWithCoffeesRepository by lazy {
+        OfflineOrderWithCoffeesRepository(AppDatabase.getInstance(context).orderWithCoffeesDao())
+    }
     override val cartRepository: CartRepository by lazy {
         OfflineCartRepository(AppDatabase.getInstance(context).cartDao())
     }
@@ -49,4 +61,18 @@ class AppDataContainer(private val context: Context) : AppContainer {
             AppDatabase.getInstance(context)
         )
     }
+    override val orderRestRepository: RestOrderRepository by lazy {
+        RestOrderRepository(
+            MyServerService.getInstance(),
+            orderRepository,
+            remoteKeyRepository,
+            AppDatabase.getInstance(context)
+        )
+    }
+    override val orderCoffeesRestRepository: RestOrderCoffeesRepository by lazy {
+        RestOrderCoffeesRepository(
+            MyServerService.getInstance(),
+            orderCoffeesRepository
+        )
+    }
 }

app/src/main/java/com/zyzf/coffeepreorder/database/AppDatabase.kt

@@ -6,18 +6,24 @@ import androidx.room.Room
 import androidx.room.RoomDatabase
 import com.zyzf.coffeepreorder.database.dao.CartDao
 import com.zyzf.coffeepreorder.database.dao.CoffeeDao
+import com.zyzf.coffeepreorder.database.dao.OrderDao
+import com.zyzf.coffeepreorder.database.dao.OrderWithCoffees
 import com.zyzf.coffeepreorder.database.dao.RemoteKeysDao
 import com.zyzf.coffeepreorder.database.dao.UserDao
 import com.zyzf.coffeepreorder.database.model.Cart
 import com.zyzf.coffeepreorder.database.model.Coffee
+import com.zyzf.coffeepreorder.database.model.Order
+import com.zyzf.coffeepreorder.database.model.OrderCoffeeCrossRef
 import com.zyzf.coffeepreorder.database.model.RemoteKeys
 import com.zyzf.coffeepreorder.database.model.User
 
-@Database(entities = [User::class, Coffee::class, Cart::class, RemoteKeys::class], version = 1, exportSchema = false)
+@Database(entities = [User::class, Coffee::class, Cart::class, Order::class, OrderCoffeeCrossRef::class, RemoteKeys::class], version = 1, exportSchema = false)
 abstract class AppDatabase : RoomDatabase() {
     abstract fun userDao(): UserDao
     abstract fun coffeeDao(): CoffeeDao
     abstract fun cartDao(): CartDao
+    abstract fun orderDao(): OrderDao
+    abstract fun orderWithCoffeesDao(): OrderWithCoffees
     abstract fun remoteKeysDao(): RemoteKeysDao
 
     companion object {

app/src/main/java/com/zyzf/coffeepreorder/database/dao/CartDao.kt

@@ -14,14 +14,17 @@ interface CartDao {
     @Query("select * from cart")
     suspend fun getAll(): Cart
 
-    @Query("select coffee.uid, coffee.name, coffee.cost, coffee.ingredients from cart join coffee on coffee.uid = cart.coffee_id and cart.count > 0 collate nocase")
+    @Query("select coffee.* from cart join coffee on coffee.coffee_id = cart.coffee_id and cart.count > 0 collate nocase")
     fun getAllInCart(): PagingSource<Int, Coffee>
 
-    @Query("select sum(coffee.cost * cart.count) from cart JOIN coffee on coffee.uid = cart.coffee_id and cart.count > 0")
+    @Query("select coffee.* from cart join coffee on coffee.coffee_id = cart.coffee_id and cart.count > 0 collate nocase")
+    suspend fun getAllInCartList(): List<Coffee>
+
+    @Query("select sum(coffee.cost * cart.count) from cart JOIN coffee on coffee.coffee_id = cart.coffee_id and cart.count > 0")
     fun getSumInCart(): Double
 
-    @Query("select cart.count from cart JOIN coffee on coffee.uid = cart.coffee_id where coffee.uid = :coffeeId")
-    fun getCountForCoffee(coffeeId: Int): Double
+    @Query("select cart.count from cart JOIN coffee on coffee.coffee_id = cart.coffee_id where coffee.coffee_id = :coffeeId")
+    fun getCountForCoffee(coffeeId: Int): Int
 
     @Insert
     suspend fun insert(cart: Cart)

app/src/main/java/com/zyzf/coffeepreorder/database/dao/CoffeeDao.kt

@@ -13,7 +13,7 @@ interface CoffeeDao {
     @Query("select * from coffee order by name collate nocase asc")
     fun getAllCoffees(): PagingSource<Int, Coffee>
 
-    @Query("select coffee.uid, name, cost, ingredients from coffee where coffee.uid = :uid")
+    @Query("select coffee.coffee_id, name, cost, ingredients from coffee where coffee.coffee_id = :uid")
     suspend fun getByUid(uid: Int): Coffee?
 
     @Insert

app/src/main/java/com/zyzf/coffeepreorder/database/dao/OrderDao.kt

@@ -0,0 +1,56 @@
+package com.zyzf.coffeepreorder.database.dao
+
+import androidx.paging.PagingSource
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import androidx.room.Update
+import com.zyzf.coffeepreorder.database.model.Coffee
+import com.zyzf.coffeepreorder.database.model.Order
+import com.zyzf.coffeepreorder.database.model.OrderWithCoffees
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface OrderDao {
+    @Query("select * from `order` order by order_id collate nocase asc")
+    fun getAll(): PagingSource<Int, Order>
+
+    @Query("select * from `order` where `order`.order_id = :uid")
+    suspend fun getByUid(uid: Int): Order?
+
+    @Query("""
+        SELECT `order`.* FROM `order`
+        WHERE user_id = :userId
+    """)
+    fun getOrdersByUser(userId: Int): PagingSource<Int, Order>
+
+    @Query("""
+        SELECT coffee.* FROM coffee
+        INNER JOIN ordercoffeecrossref ON coffee.coffee_id = ordercoffeecrossref.coffee_id
+        WHERE ordercoffeecrossref.order_id = :orderId
+    """)
+    fun getCoffeesByOrder(orderId: Int): Flow<List<Coffee>>
+
+    @Query("""
+        SELECT `order`.* FROM `order`
+        INNER JOIN ordercoffeecrossref ON `order`.order_id = ordercoffeecrossref.order_id
+        WHERE date >= :startDate and date <= :endDate
+    """)
+    fun getOrdersByDate(startDate: String, endDate: String): Flow<List<OrderWithCoffees>>
+
+    @Insert
+    fun insert(order: Order): Long
+
+    @Insert
+    suspend fun insert(vararg order: Order)
+
+    @Update
+    fun update(order: Order): Int
+
+    @Delete
+    suspend fun delete(order: Order)
+
+    @Query("delete from `order`")
+    suspend fun deleteAll()
+}

app/src/main/java/com/zyzf/coffeepreorder/database/dao/OrderWithCoffees.kt

@@ -0,0 +1,17 @@
+package com.zyzf.coffeepreorder.database.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import com.zyzf.coffeepreorder.database.model.OrderCoffeeCrossRef
+
+@Dao
+interface OrderWithCoffees {
+    @Query("select * from ordercoffeecrossref")
+    fun getAll(): List<OrderCoffeeCrossRef>
+    @Insert
+    suspend fun insert(vararg orderCoffee: OrderCoffeeCrossRef)
+    @Delete
+    suspend fun delete(orderCoffee: OrderCoffeeCrossRef)
+}

app/src/main/java/com/zyzf/coffeepreorder/database/dao/UserDao.kt

@@ -16,7 +16,7 @@ interface UserDao {
     @Query("select * from user where login = :login and password = :password")
     suspend fun tryLogin(login: String, password: String): User?
 
-    @Query("select * from user where uid = :uid")
+    @Query("select * from user where user_id = :uid")
     suspend fun getByUid(uid: Int): User?
 
     @Insert

app/src/main/java/com/zyzf/coffeepreorder/database/model/Cart.kt

@@ -4,23 +4,26 @@ import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.ForeignKey
 import androidx.room.Ignore
+import androidx.room.Index
 import androidx.room.PrimaryKey
 
-@Entity(tableName = "cart", foreignKeys = [
-    ForeignKey(
-        entity = Cart::class,
-        parentColumns = ["uid"],
-        childColumns = ["coffee_id"],
-        onDelete = ForeignKey.RESTRICT,
-        onUpdate = ForeignKey.RESTRICT
-    )
-])
+//@Entity(tableName = "cart", foreignKeys = [
+//    ForeignKey(
+//        entity = Coffee::class,
+//        parentColumns = arrayOf("coffee_id"),
+//        childColumns = arrayOf("coffee_id"),
+//        onDelete = ForeignKey.SET_DEFAULT,
+//        onUpdate = ForeignKey.CASCADE
+//    )
+//])
+@Entity(tableName = "cart")
 data class Cart(
     @PrimaryKey(autoGenerate = true)
-    val uid: Int = 0,
+    @ColumnInfo(name = "cart_id")
+    val cartId: Int = 0,
     @ColumnInfo(name = "coffee_id", index = true)
     val coffeeId: Int,
-    @ColumnInfo(name = "count", index = true)
+    @ColumnInfo(name = "count")
     val count: Int = 0
 ) {
     @Ignore
@@ -33,13 +36,13 @@ data class Cart(
         if (this === other) return true
         if (javaClass != other?.javaClass) return false
         other as Cart
-        if (uid != other.uid) return false
+        if (cartId != other.cartId) return false
         if (coffeeId != other.coffeeId) return false
         return count == other.count
     }
 
     override fun hashCode(): Int {
-        var result = uid
+        var result = cartId
         result = 31 * result + coffeeId.hashCode()
         result = 31 * result + count.hashCode()
         return result

app/src/main/java/com/zyzf/coffeepreorder/database/model/Coffee.kt

@@ -8,7 +8,8 @@ import androidx.room.PrimaryKey
 @Entity(tableName = "coffee")
 data class Coffee(
     @PrimaryKey(autoGenerate = true)
-    val uid: Int = 0,
+    @ColumnInfo(name = "coffee_id")
+    val coffeeId: Int = 0,
     @ColumnInfo(name = "name")
     var name: String,
     @ColumnInfo(name = "cost")
@@ -38,14 +39,14 @@ data class Coffee(
         if (this === other) return true
         if (javaClass != other?.javaClass) return false
         other as Coffee
-        if (uid != other.uid) return false
+        if (coffeeId != other.coffeeId) return false
         if (name != other.name) return false
         if (cost != other.cost) return false
         return ingredients == other.ingredients
     }
 
     override fun hashCode(): Int {
-        var result = uid
+        var result = coffeeId
         result = 31 * result + name.hashCode()
         result = 31 * result + cost.hashCode()
         result = 31 * result + ingredients.hashCode()

app/src/main/java/com/zyzf/coffeepreorder/database/model/Order.kt

@@ -0,0 +1,65 @@
+package com.zyzf.coffeepreorder.database.model
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import androidx.room.Ignore
+import androidx.room.PrimaryKey
+
+@Entity(
+    tableName = "order",
+    foreignKeys = [ForeignKey(
+        entity = User::class,
+        parentColumns = arrayOf("user_id"),
+        childColumns = arrayOf("user_id"),
+        onDelete = ForeignKey.RESTRICT,
+        onUpdate = ForeignKey.RESTRICT
+    )]
+)
+data class Order(
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = "order_id")
+    val orderId: Int = 0,
+    @ColumnInfo(name = "date")
+    var date: String,
+    @ColumnInfo(name = "user_id", index = true)
+    val userId: Int,
+    @ColumnInfo(name = "sum")
+    val sum: Double
+) {
+    @Ignore
+    constructor(
+        date: String,
+        userId: Int,
+        sum: Double
+    ) : this(0, date, userId, sum)
+
+    companion object {
+        fun getOrder(index: Int = 0): Order {
+            return Order(
+                index,
+                "",
+                0,
+                0.0
+            )
+        }
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+        other as Order
+        if (orderId != other.orderId) return false
+        if (date != other.date) return false
+        if (userId != other.userId) return false
+        return sum == other.sum
+    }
+
+    override fun hashCode(): Int {
+        var result = orderId
+        result = 31 * result + date.hashCode()
+        result = 31 * result + userId.hashCode()
+        result = 31 * result + sum.hashCode()
+        return result
+    }
+}

app/src/main/java/com/zyzf/coffeepreorder/database/model/OrderCoffeeCrossRef.kt

@@ -0,0 +1,14 @@
+package com.zyzf.coffeepreorder.database.model
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+
+@Entity(primaryKeys = ["order_id", "coffee_id"])
+class OrderCoffeeCrossRef (
+    @ColumnInfo(name = "order_id")
+    val orderId: Int,
+    @ColumnInfo(name = "coffee_id")
+    val coffeeId: Int,
+    @ColumnInfo(name = "count")
+    val count: Int
+)

app/src/main/java/com/zyzf/coffeepreorder/database/model/OrderWithCoffees.kt

@@ -0,0 +1,27 @@
+package com.zyzf.coffeepreorder.database.model
+
+import androidx.room.Embedded
+import androidx.room.Junction
+import androidx.room.Relation
+
+data class OrderWithCoffees(
+    @Embedded val order: Order,
+    @Relation(
+        parentColumn = "order_id",
+        entityColumn = "user_id"
+    )
+    val user: User,
+    @Relation(
+        parentColumn = "order_id",
+        entityColumn = "coffee_id",
+        associateBy = Junction(OrderCoffeeCrossRef::class)
+    )
+    val coffees: List<Coffee>,
+    @Relation(
+        parentColumn = "order_id",
+        entityColumn = "coffee_id",
+        entity = OrderCoffeeCrossRef::class,
+        projection = ["count"]
+    )
+    val counts: List<Int>
+)

app/src/main/java/com/zyzf/coffeepreorder/database/model/RemoteKeys.kt

@@ -7,7 +7,8 @@ import androidx.room.TypeConverters
 
 enum class RemoteKeyType(private val type: String) {
     COFFEE(Coffee::class.simpleName ?: "Coffee"),
-    USER(User::class.simpleName ?: "User");
+    USER(User::class.simpleName ?: "User"),
+    ORDER(Order::class.simpleName ?: "Order");
 
     @TypeConverter
     fun toRemoteKeyType(value: String) = entries.first { it.type == value }

app/src/main/java/com/zyzf/coffeepreorder/database/model/User.kt

@@ -8,7 +8,8 @@ import androidx.room.PrimaryKey
 @Entity(tableName = "user")
 data class User(
     @PrimaryKey(autoGenerate = true)
-    val uid: Int = 0,
+    @ColumnInfo(name = "user_id")
+    val userId: Int = 0,
     @ColumnInfo(name = "login")
     var login: String,
     @ColumnInfo(name = "fio")
@@ -46,7 +47,7 @@ data class User(
         if (this === other) return true
         if (javaClass != other?.javaClass) return false
         other as User
-        if (uid != other.uid) return false
+        if (userId != other.userId) return false
         if (login != other.login) return false
         if (fio != other.fio) return false
         if (phone != other.phone) return false
@@ -55,7 +56,7 @@ data class User(
     }
 
     override fun hashCode(): Int {
-        var result = uid
+        var result = userId
         result = 31 * result + login.hashCode()
         result = 31 * result + fio.hashCode()
         result = 31 * result + phone.hashCode()

app/src/main/java/com/zyzf/coffeepreorder/database/repository/CartRepository.kt

@@ -9,10 +9,11 @@ interface CartRepository {
     suspend fun getAll(): Cart
     suspend fun insert(cart: Cart)
     fun getAllInCart(): Flow<PagingData<Coffee>>
+    suspend fun getAllInCartList(): List<Coffee>
     fun getSumInCart(): Double
     suspend fun insertCoffee(coffeeId: Int, count: Int)
     suspend fun deleteCoffee(coffeeId: Int, count: Int)
-    fun getCountForCoffee(coffeeId: Int): Double
+    fun getCountForCoffee(coffeeId: Int): Int
     suspend fun update(cart: Cart)
     suspend fun deleteAll()
 }

app/src/main/java/com/zyzf/coffeepreorder/database/repository/OfflineCartRepository.kt

@@ -17,12 +17,14 @@ class OfflineCartRepository(private val cartDao: CartDao) : CartRepository {
         ),
         pagingSourceFactory = cartDao::getAllInCart
     ).flow
+
+    override suspend fun getAllInCartList(): List<Coffee> = cartDao.getAllInCartList()
     override fun getSumInCart(): Double = cartDao.getSumInCart()
     override suspend fun getAll(): Cart = cartDao.getAll()
     override suspend fun insert(cart: Cart) = cartDao.insert(cart)
     override suspend fun insertCoffee(coffeeId: Int, count: Int) = cartDao.insertCoffee(coffeeId, count)
     override suspend fun deleteCoffee(coffeeId: Int, count: Int) = cartDao.deleteCoffee(coffeeId, count)
-    override fun getCountForCoffee(coffeeId: Int): Double = cartDao.getCountForCoffee(coffeeId)
+    override fun getCountForCoffee(coffeeId: Int): Int = cartDao.getCountForCoffee(coffeeId)
     override suspend fun update(cart: Cart) = cartDao.update(cart)
     override suspend fun deleteAll() = cartDao.deleteAll()
 }

app/src/main/java/com/zyzf/coffeepreorder/database/repository/OfflineOrderRepository.kt

@@ -0,0 +1,33 @@
+package com.zyzf.coffeepreorder.database.repository
+
+import androidx.paging.Pager
+import androidx.paging.PagingConfig
+import androidx.paging.PagingData
+import androidx.paging.PagingSource
+import com.zyzf.coffeepreorder.database.AppContainer
+import com.zyzf.coffeepreorder.database.dao.OrderDao
+import com.zyzf.coffeepreorder.database.model.OrderWithCoffees
+import com.zyzf.coffeepreorder.database.model.Coffee
+import com.zyzf.coffeepreorder.database.model.Order
+import kotlinx.coroutines.flow.Flow
+
+class OfflineOrderRepository(private val orderDao: OrderDao) : OrderRepository {
+    override fun getOrdersByUser(id: Int): Flow<PagingData<Order>> = Pager(
+        config = PagingConfig(
+            pageSize = AppContainer.LIMIT,
+            enablePlaceholders = false
+        ),
+        pagingSourceFactory = { orderDao.getOrdersByUser(id) }
+    ).flow
+    override suspend fun getCoffeesByOrder(orderId: Int): Flow<List<Coffee>> = orderDao.getCoffeesByOrder(orderId)
+    override suspend fun insert(order: Order) = orderDao.insert(order)
+    override suspend fun getOrdersByDate(
+        startDate: String,
+        endDate: String
+    ): Flow<List<OrderWithCoffees>> = orderDao.getOrdersByDate(startDate, endDate)
+    fun getOrdersByUserPagingSource(id: Int): PagingSource<Int, Order> = orderDao.getOrdersByUser(id)
+    suspend fun deleteAll() = orderDao.deleteAll()
+    suspend fun insertOrders(orders: List<Order>) =
+        orderDao.insert(*orders.toTypedArray())
+
+}

app/src/main/java/com/zyzf/coffeepreorder/database/repository/OfflineOrderWithCoffeesRepository.kt

@@ -0,0 +1,12 @@
+package com.zyzf.coffeepreorder.database.repository
+
+import com.zyzf.coffeepreorder.database.dao.OrderWithCoffees
+import com.zyzf.coffeepreorder.database.model.OrderCoffeeCrossRef
+
+class OfflineOrderWithCoffeesRepository(private val orderCoffeesDAO: OrderWithCoffees) : OrderWithCoffeesRepository {
+    override suspend fun getAll() = orderCoffeesDAO.getAll()
+    override suspend fun insert(orderCoffee: OrderCoffeeCrossRef) = orderCoffeesDAO.insert(orderCoffee)
+    override suspend fun delete(orderCoffee: OrderCoffeeCrossRef) = orderCoffeesDAO.delete(orderCoffee)
+    suspend fun insertAll(orderBouquet: List<OrderCoffeeCrossRef>) =
+        orderCoffeesDAO.insert(*orderBouquet.toTypedArray())
+}

app/src/main/java/com/zyzf/coffeepreorder/database/repository/OrderRepository.kt

@@ -0,0 +1,14 @@
+package com.zyzf.coffeepreorder.database.repository
+
+import androidx.paging.PagingData
+import com.zyzf.coffeepreorder.database.model.Coffee
+import com.zyzf.coffeepreorder.database.model.Order
+import com.zyzf.coffeepreorder.database.model.OrderWithCoffees
+import kotlinx.coroutines.flow.Flow
+
+interface OrderRepository {
+    suspend fun getCoffeesByOrder(orderId: Int): Flow<List<Coffee>>
+    fun getOrdersByUser(id: Int): Flow<PagingData<Order>>
+    suspend fun insert(order: Order): Long
+    suspend fun getOrdersByDate(startDate: String, endDate: String): Flow<List<OrderWithCoffees>>
+}

app/src/main/java/com/zyzf/coffeepreorder/database/repository/OrderWithCoffeesRepository.kt

@@ -0,0 +1,9 @@
+package com.zyzf.coffeepreorder.database.repository
+
+import com.zyzf.coffeepreorder.database.model.OrderCoffeeCrossRef
+
+interface OrderWithCoffeesRepository {
+    suspend fun getAll(): List<OrderCoffeeCrossRef>
+    suspend fun insert(orderCoffee: OrderCoffeeCrossRef)
+    suspend fun delete(orderCoffee: OrderCoffeeCrossRef)
+}

app/src/main/java/com/zyzf/coffeepreorder/ui/AppViewModelProvider.kt

@@ -8,8 +8,10 @@ import com.zyzf.coffeepreorder.CoffeeApplication
 import com.zyzf.coffeepreorder.ui.cart.CartViewModel
 import com.zyzf.coffeepreorder.ui.coffee.CoffeeListViewModel
 import com.zyzf.coffeepreorder.ui.login.LoginViewModel
+import com.zyzf.coffeepreorder.ui.order.OrderViewModel
 import com.zyzf.coffeepreorder.ui.profile.ProfileViewModel
 import com.zyzf.coffeepreorder.ui.register.RegisterViewModel
+import com.zyzf.coffeepreorder.ui.statistic.OrderStatisticViewModel
 
 object AppViewModelProvider {
     val Factory = viewModelFactory {
@@ -26,7 +28,16 @@ object AppViewModelProvider {
             RegisterViewModel(coffeeApplication().container.userRestRepository)
         }
         initializer {
-            ProfileViewModel(coffeeApplication().container.userRestRepository)
+            ProfileViewModel(coffeeApplication().container.userRestRepository,
+                            coffeeApplication().container.cartRepository)
+        }
+        initializer {
+            OrderStatisticViewModel(coffeeApplication().container.orderRestRepository)
+        }
+        initializer {
+            OrderViewModel(coffeeApplication().container.orderRestRepository,
+                coffeeApplication().container.orderCoffeesRestRepository,
+                coffeeApplication().container.cartRepository)
         }
     }
 }

app/src/main/java/com/zyzf/coffeepreorder/ui/cart/Cart.kt

@@ -104,7 +104,7 @@ fun Cart(
             )
             CartList(
                 coffeeList = coffeeListUiState,
-                onDeleteFromCartClick = {currentCoffee: Coffee ->
+                onDeleteFromCartClick = { currentCoffee: Coffee ->
                     coffee.value = currentCoffee
                     openDialog.value = true
                 }
@@ -126,7 +126,7 @@ fun Cart(
 private fun CartList(
     coffeeList: LazyPagingItems<Coffee>,
     onDeleteFromCartClick: (coffee: Coffee) -> Unit,
-    getCoffeeCount: (coffeeId: Int) -> Double
+    getCoffeeCount: (Int) -> Int
 ) {
     LazyColumn(
         horizontalAlignment = Alignment.CenterHorizontally) {
@@ -151,7 +151,7 @@ private fun CartList(
 private fun CartListItem (
     coffee: Coffee,
     onDeleteFromCartClick: (coffee: Coffee) -> Unit,
-    getCoffeeCount: (coffeeId: Int) -> Double
+    getCoffeeCount: (coffeeId: Int) -> Int
 ) {
     Row(modifier = Modifier
         .fillMaxWidth()
@@ -159,7 +159,7 @@ private fun CartListItem (
         .padding(bottom = 10.dp, top = 10.dp),
         horizontalArrangement = Arrangement.SpaceAround) {
         AsyncImage(
-            model = ImageRequest.Builder(context = LocalContext.current).data("https://zyzf.space/s/zXgFRTmbR4KMxMH/download?path=&files=coffee_image_" + coffee.uid +".png")
+            model = ImageRequest.Builder(context = LocalContext.current).data("https://zyzf.space/s/zXgFRTmbR4KMxMH/download?path=&files=coffee_image_" + coffee.coffeeId +".png")
                 .crossfade(true).build(),
             error = painterResource(R.drawable.ic_broken_image),
             placeholder = painterResource(R.drawable.loading_img),
@@ -173,7 +173,7 @@ private fun CartListItem (
             Modifier
                 .weight(2f)
                 .padding(start = 20.dp)) {
-            val coffeeCount: Double = getCoffeeCount(coffee.uid)
+            val coffeeCount: Int = getCoffeeCount(coffee.coffeeId)
             val currentCoffeeName: String = if (coffeeCount > 1) {
                 coffee.name + " x" + coffeeCount.toString()
             } else {

app/src/main/java/com/zyzf/coffeepreorder/ui/cart/CartViewModel.kt

@@ -11,11 +11,11 @@ class CartViewModel(
 ) : ViewModel() {
     val coffeeListUiState: Flow<PagingData<Coffee>> = cartRepository.getAllInCart()
 
-    fun getCountForCoffee(coffeeId: Int): Double {
+    fun getCountForCoffee(coffeeId: Int): Int {
         return cartRepository.getCountForCoffee(coffeeId)
     }
 
     suspend fun deleteCoffeeFromCart(coffee: Coffee) {
-        cartRepository.deleteCoffee(coffee.uid, 1)
+        cartRepository.deleteCoffee(coffee.coffeeId, 1)
     }
 }

app/src/main/java/com/zyzf/coffeepreorder/ui/coffee/CoffeeList.kt

@@ -180,7 +180,7 @@ fun CoffeeList(
         imageUri = imageUri,
         beforeOpen = {coffeeUid: Int ->
             if (coffeeUid != 0 && !isImageChanged.value) {
-                imageUri = Uri.parse("https://zyzf.space/s/zXgFRTmbR4KMxMH/download?path=&files=coffee_image_" + coffee.value.uid +".png")
+                imageUri = Uri.parse("https://zyzf.space/s/zXgFRTmbR4KMxMH/download?path=&files=coffee_image_" + coffee.value.coffeeId +".png")
             }
         }
     )
@@ -199,7 +199,7 @@ private fun AddEditModalBottomSheet(
     imageUri: Any?,
     beforeOpen: (coffeeUid: Int) -> Unit
 ) {
-    beforeOpen(coffee.value.uid)
+    beforeOpen(coffee.value.coffeeId)
     var name: String by remember { mutableStateOf("")}
     var cost: Double by remember { mutableDoubleStateOf(0.0) }
     var ingredients: String by remember { mutableStateOf("")}
@@ -271,16 +271,16 @@ private fun AddEditModalBottomSheet(
                         .build(),
                 )
                 Row(modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.Center) {
-                    if (coffee.value.uid == 0) {
+                    if (coffee.value.coffeeId == 0) {
                         Button(onClick = {
-                            onAddClick(Coffee(coffee.value.uid, name, cost, ingredients), context)
+                            onAddClick(Coffee(coffee.value.coffeeId, name, cost, ingredients), context)
                             openDialog.value = false
                         }, modifier = Modifier.padding(0.dp, 10.dp, 0.dp, 30.dp)) {
                             Text("Добавить")
                         }
                     } else {
                         Button(onClick = {
-                            onEditClick(Coffee(coffee.value.uid, name, cost, ingredients), context)
+                            onEditClick(Coffee(coffee.value.coffeeId, name, cost, ingredients), context)
                             openDialog.value = false
                         }, modifier = Modifier.padding(0.dp, 10.dp, 0.dp, 30.dp)) {
                             Text("Изменить")
@@ -339,7 +339,7 @@ private fun CoffeeListItem(
         AsyncImage(
             model = ImageRequest
                 .Builder(context = LocalContext.current)
-                .data("https://zyzf.space/s/zXgFRTmbR4KMxMH/download?path=&files=coffee_image_" + coffee.uid +".png")
+                .data("https://zyzf.space/s/zXgFRTmbR4KMxMH/download?path=&files=coffee_image_" + coffee.coffeeId +".png")
                 .crossfade(true).build(),
             error = painterResource(R.drawable.ic_broken_image),
             placeholder = painterResource(R.drawable.loading_img),
@@ -363,7 +363,7 @@ private fun CoffeeListItem(
                     .padding(top = 5.dp)) {
                 Button(
                     onClick = {
-                        onAddToCartClick(coffee.uid)
+                        onAddToCartClick(coffee.coffeeId)
                     },
                     shape = CircleShape,
                     modifier = Modifier.fillMaxWidth(fraction = 0.75f)

app/src/main/java/com/zyzf/coffeepreorder/ui/coffee/CoffeeListViewModel.kt

@@ -55,6 +55,7 @@ class CoffeeListViewModel(
     suspend fun editCoffee(coffee: Coffee, imageUri: Any?, context: Context) {
         val editedCoffee: Int = coffeeRepository.update(coffee)
         if (imageUri !is Uri) return
+        if (imageUri.host == "zyzf.space") return
         val inputStream = context.contentResolver.openInputStream(imageUri)
         val bitmap = BitmapFactory.decodeStream(inputStream)
 

app/src/main/java/com/zyzf/coffeepreorder/ui/login/Login.kt

@@ -1,6 +1,5 @@
 package com.zyzf.coffeepreorder.ui.login
 
-import android.content.res.Configuration
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -16,7 +15,6 @@ import androidx.compose.material3.ButtonDefaults
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.OutlinedTextField
-import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
@@ -33,7 +31,6 @@ import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.text.input.PasswordVisualTransformation
-import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavController
@@ -45,8 +42,6 @@ import com.zyzf.coffeepreorder.database.AppDatabase
 import com.zyzf.coffeepreorder.database.model.User
 import com.zyzf.coffeepreorder.ui.AppViewModelProvider
 import com.zyzf.coffeepreorder.ui.navigation.Screen
-import com.zyzf.coffeepreorder.ui.theme.CoffeePreorderTheme
-import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -142,17 +137,4 @@ fun Login(
             Text(text = "Зарегистрироваться")
         }
     }
-}
-
-@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
-@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
-@Composable
-fun LoginPreview() {
-    CoffeePreorderTheme {
-        Surface(
-            color = MaterialTheme.colorScheme.background
-        ) {
-            Login(null)
-        }
-    }
 }

app/src/main/java/com/zyzf/coffeepreorder/ui/login/LoginViewModel.kt

@@ -9,7 +9,7 @@ class LoginViewModel(
 ) : ViewModel() {
     suspend fun tryLogin(login: String, password: String): User? {
         val user: User? = userRepository.tryLogin(login, password)
-        return if (user?.uid == 0) {
+        return if (user?.userId == 0) {
             null
         } else {
             user

app/src/main/java/com/zyzf/coffeepreorder/ui/navigation/MainNavbar.kt

@@ -1,5 +1,7 @@
 package com.zyzf.coffeepreorder.ui.navigation
 
+import android.os.Build
+import androidx.annotation.RequiresApi
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
@@ -26,6 +28,7 @@ import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.currentBackStackEntryAsState
 import androidx.navigation.compose.rememberNavController
+import com.zyzf.coffeepreorder.CoffeeApplication
 import com.zyzf.coffeepreorder.R
 import com.zyzf.coffeepreorder.ui.cart.Cart
 import com.zyzf.coffeepreorder.ui.coffee.CoffeeList
@@ -33,6 +36,7 @@ import com.zyzf.coffeepreorder.ui.login.Login
 import com.zyzf.coffeepreorder.ui.order.Order
 import com.zyzf.coffeepreorder.ui.profile.Profile
 import com.zyzf.coffeepreorder.ui.register.Register
+import com.zyzf.coffeepreorder.ui.statistic.OrderStatistic
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -74,6 +78,11 @@ fun Navbar(
 ) {
     NavigationBar(modifier) {
         Screen.bottomBarItems.forEach { screen ->
+            if (CoffeeApplication.currentUser != null &&
+                CoffeeApplication.currentUser!!.role != "admin" &&
+                screen.route == "order-statistic") {
+                return@forEach
+            }
             NavigationBarItem(
                 icon = { Icon(screen.icon, contentDescription = null) },
                 label = { Text(stringResource(screen.resourceId)) },
@@ -92,6 +101,7 @@ fun Navbar(
     }
 }
 
+
 @Composable
 fun Navhost(
     navController: NavHostController,
@@ -109,6 +119,8 @@ fun Navhost(
         composable(Screen.Profile.route) { Profile(navController) }
         composable(Screen.Cart.route) { Cart(navController) }
         composable(Screen.Order.route) { Order(navController) }
+        composable(Screen.OrderStatistic.route) { OrderStatistic() }
+
     }
 }
 

app/src/main/java/com/zyzf/coffeepreorder/ui/navigation/Screen.kt

@@ -3,11 +3,13 @@ package com.zyzf.coffeepreorder.ui.navigation
 import androidx.annotation.StringRes
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.AccountCircle
+import androidx.compose.material.icons.filled.DateRange
 import androidx.compose.material.icons.filled.Favorite
 import androidx.compose.material.icons.filled.Menu
 import androidx.compose.material.icons.filled.ShoppingCart
 import androidx.compose.ui.graphics.vector.ImageVector
 import com.zyzf.coffeepreorder.R
+import com.zyzf.coffeepreorder.database.AppContainer
 
 enum class Screen(
     val route: String,
@@ -32,13 +34,17 @@ enum class Screen(
     ),
     Order(
         "order", R.string.coffee_order, Icons.Filled.ShoppingCart
+    ),
+    OrderStatistic(
+        "order-statistic", R.string.coffee_order_statistic, Icons.Filled.DateRange
     );
 
     companion object {
         val bottomBarItems = listOf(
             CoffeeList,
             Profile,
-            Cart
+            Cart,
+            OrderStatistic
         )
 
         fun getItem(route: String): Screen? {

app/src/main/java/com/zyzf/coffeepreorder/ui/order/Order.kt

@@ -1,6 +1,5 @@
 package com.zyzf.coffeepreorder.ui.order
 
-import android.content.res.Configuration
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
@@ -24,7 +23,6 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButtonDefaults
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.OutlinedTextField
-import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.material3.TimePicker
 import androidx.compose.material3.rememberDatePickerState
@@ -33,18 +31,18 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 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.platform.LocalContext
-import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.DialogProperties
+import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavController
-import com.zyzf.coffeepreorder.database.AppDatabase
+import com.zyzf.coffeepreorder.ui.AppViewModelProvider
 import com.zyzf.coffeepreorder.ui.navigation.Screen
-import com.zyzf.coffeepreorder.ui.theme.CoffeePreorderTheme
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import java.text.SimpleDateFormat
 import java.util.Calendar
@@ -53,18 +51,21 @@ import java.util.Locale
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun Order(navController: NavController?) {
+fun Order(
+    navController: NavController?,
+    viewModel: OrderViewModel = viewModel(factory = AppViewModelProvider.Factory)
+) {
+    val coroutineScope = rememberCoroutineScope()
     val openDatePicker = remember { mutableStateOf(false) }
     val openTimePicker = remember { mutableStateOf(false) }
     val calendar = Calendar.getInstance()
     val datePickerState = rememberDatePickerState(initialSelectedDateMillis = calendar.timeInMillis)
     val timePickerState = rememberTimePickerState(is24Hour = true, initialHour = calendar.get(Calendar.HOUR_OF_DAY), initialMinute = calendar.get(Calendar.MINUTE))
     val formatter = SimpleDateFormat("dd.MM.yyyy", Locale.ROOT)
-    val context = LocalContext.current
     val sum = remember { mutableStateOf(0.0) }
     LaunchedEffect(Unit) {
         withContext(Dispatchers.IO) {
-            sum.value = AppDatabase.getInstance(context).cartDao().getSumInCart()
+            sum.value = viewModel.getSumInCart()
         }
     }
     Column(Modifier.padding(all = 10.dp), horizontalAlignment = Alignment.CenterHorizontally) {
@@ -107,7 +108,12 @@ fun Order(navController: NavController?) {
     }
     Box(modifier = Modifier.fillMaxSize()) {
         ExtendedFloatingActionButton(
-            onClick = { navController?.navigate(Screen.CoffeeList.route) },
+            onClick = {
+                coroutineScope.launch {
+                    viewModel.createNewOrder(datePickerState.selectedDateMillis)
+                }
+                navController?.navigate(Screen.Cart.route)
+            },
             icon = { Icon(Icons.Filled.Add, "Оформить заказ") },
             text = { Text(text = "Оформить заказ") },
             modifier = Modifier
@@ -169,17 +175,4 @@ fun Order(navController: NavController?) {
             }
         }
     }
-}
-
-@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
-@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
-@Composable
-fun OrderPreview() {
-    CoffeePreorderTheme {
-        Surface(
-            color = MaterialTheme.colorScheme.background
-        ) {
-            Order(null)
-        }
-    }
 }

app/src/main/java/com/zyzf/coffeepreorder/ui/order/OrderViewModel.kt

@@ -0,0 +1,36 @@
+package com.zyzf.coffeepreorder.ui.order
+
+import androidx.lifecycle.ViewModel
+import com.zyzf.coffeepreorder.CoffeeApplication
+import com.zyzf.coffeepreorder.database.model.Coffee
+import com.zyzf.coffeepreorder.database.model.Order
+import com.zyzf.coffeepreorder.database.model.OrderCoffeeCrossRef
+import com.zyzf.coffeepreorder.database.repository.CartRepository
+import com.zyzf.coffeepreorder.database.repository.OrderRepository
+import com.zyzf.coffeepreorder.database.repository.OrderWithCoffeesRepository
+import java.text.SimpleDateFormat
+import java.util.Date
+import java.util.Locale
+
+class OrderViewModel(
+    private val orderRepository: OrderRepository,
+    private val orderWithCoffeesRepository: OrderWithCoffeesRepository,
+    private val cartRepository: CartRepository
+) : ViewModel() {
+    fun getSumInCart(): Double {
+        return cartRepository.getSumInCart()
+    }
+
+    suspend fun createNewOrder(date: Long?) {
+        val coffees: List<Coffee> = cartRepository.getAllInCartList()
+        if (coffees.isEmpty() || date == null) {
+            return
+        }
+        val cartSum: Double = cartRepository.getSumInCart()
+        val formatter = SimpleDateFormat("dd-MM-yyyy", Locale.ROOT)
+        val currentOrderId: Long = orderRepository.insert(Order(formatter.format(Date(date)), CoffeeApplication.currentUser!!.userId, cartSum))
+        coffees.forEach { coffee: Coffee ->
+            orderWithCoffeesRepository.insert(OrderCoffeeCrossRef(currentOrderId.toInt(), coffee.coffeeId, cartRepository.getCountForCoffee(coffee.coffeeId)))
+        }
+    }
+}

app/src/main/java/com/zyzf/coffeepreorder/ui/profile/Profile.kt

@@ -47,10 +47,8 @@ import com.zyzf.coffeepreorder.R
 import com.zyzf.coffeepreorder.database.AppDatabase
 import com.zyzf.coffeepreorder.database.model.User
 import com.zyzf.coffeepreorder.ui.AppViewModelProvider
-import com.zyzf.coffeepreorder.ui.login.LoginViewModel
 import com.zyzf.coffeepreorder.ui.navigation.Screen
 import com.zyzf.coffeepreorder.ui.theme.CoffeePreorderTheme
-import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
@@ -204,7 +202,7 @@ fun Profile(
                     onClick = {
                         coroutineScope.launch {
                             val user: User = viewModel.changeUser(user.password, userOldPsswd.value, userNewPsswd.value, userNewPsswd.value,
-                                user.uid, userLogin, userFIO, userPhone, user.role)
+                                user.userId, userLogin, userFIO, userPhone, user.role)
                             CoffeeApplication.currentUser = user
                         }
                         openDialogEdit.value = false
@@ -241,8 +239,8 @@ fun Profile(
             confirmButton = {
                 TextButton(
                     onClick = {
-                        GlobalScope.launch (Dispatchers.Main) {
-                            CoffeeApplication.currentUser = null
+                        coroutineScope.launch {
+                            viewModel.logout()
                         }
                         openDialogExit.value = false
                         navController?.navigate(Screen.Login.route)
@@ -279,9 +277,8 @@ fun Profile(
             confirmButton = {
                 TextButton(
                     onClick = {
-                        GlobalScope.launch (Dispatchers.Main) {
-                            CoffeeApplication.currentUser = null
-                            AppDatabase.getInstance(context).userDao().delete(user)
+                        coroutineScope.launch {
+                            viewModel.deleteAccount(user)
                         }
                         openDialogDelete.value = false
                         navController?.navigate(Screen.Login.route)

app/src/main/java/com/zyzf/coffeepreorder/ui/profile/ProfileViewModel.kt

@@ -2,12 +2,13 @@ package com.zyzf.coffeepreorder.ui.profile
 
 import androidx.lifecycle.ViewModel
 import com.zyzf.coffeepreorder.CoffeeApplication
-import com.zyzf.coffeepreorder.database.AppDatabase
 import com.zyzf.coffeepreorder.database.model.User
+import com.zyzf.coffeepreorder.database.repository.CartRepository
 import com.zyzf.coffeepreorder.database.repository.UserRepository
 
 class ProfileViewModel(
-    private val userRepository: UserRepository
+    private val userRepository: UserRepository,
+    private val cartRepository: CartRepository
 ) : ViewModel() {
     suspend fun changeUser(currentUserPassw: String,
                            userOldPsswd: String,
@@ -25,6 +26,16 @@ class ProfileViewModel(
             val userUid: Int? = userRepository.update(User(
                 userUid, userLogin, userFIO, userPhone, currentUserPassw, userRole))
         }
-        return userRepository.getByUid(userUid!!)!!
+        return userRepository.getByUid(userUid)!!
+    }
+
+    suspend fun logout() {
+        CoffeeApplication.currentUser = null
+        cartRepository.deleteAll()
+    }
+
+    suspend fun deleteAccount(user: User) {
+        logout()
+        userRepository.delete(user)
     }
 }

app/src/main/java/com/zyzf/coffeepreorder/ui/register/Register.kt

@@ -44,7 +44,6 @@ import com.zyzf.coffeepreorder.database.model.User
 import com.zyzf.coffeepreorder.ui.AppViewModelProvider
 import com.zyzf.coffeepreorder.ui.navigation.Screen
 import com.zyzf.coffeepreorder.ui.theme.CoffeePreorderTheme
-import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 

app/src/main/java/com/zyzf/coffeepreorder/ui/statistic/OrderStatistic.kt

@@ -0,0 +1,281 @@
+package com.zyzf.coffeepreorder.ui.statistic
+
+
+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.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.heightIn
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Check
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.DatePicker
+import androidx.compose.material3.DatePickerState
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.FloatingActionButton
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.rememberDatePickerState
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.State
+import androidx.compose.runtime.collectAsState
+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.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.compose.ui.window.Dialog
+import androidx.compose.ui.window.DialogProperties
+import androidx.lifecycle.viewmodel.compose.viewModel
+import com.zyzf.coffeepreorder.CoffeeApplication
+import com.zyzf.coffeepreorder.database.model.OrderWithCoffees
+import com.zyzf.coffeepreorder.ui.AppViewModelProvider
+import kotlinx.coroutines.launch
+import java.text.SimpleDateFormat
+import java.time.LocalDate
+import java.time.format.DateTimeFormatter
+import java.util.Calendar
+import java.util.Date
+import java.util.Locale
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun OrderStatistic(
+    viewModel: OrderStatisticViewModel = viewModel(factory = AppViewModelProvider.Factory)
+) {
+    val openDatePicker = remember { mutableStateOf(false) }
+    val calendar = Calendar.getInstance()
+    val datePickerState = rememberDatePickerState(initialSelectedDateMillis = calendar.timeInMillis)
+    val coroutineScope = rememberCoroutineScope()
+    val orderListUiState = viewModel.orderListUiState.collectAsState(initial = listOf())
+    val formatter: DateTimeFormatter = DateTimeFormatter.ofPattern("dd-MM-yyyy")
+    val startDate = remember { mutableStateOf(LocalDate.now().minusDays(1).format(formatter))}
+    val endDate = remember { mutableStateOf(LocalDate.now().format(formatter))}
+    val isStartDate = remember { mutableStateOf(true)}
+    Scaffold(
+        topBar = {},
+        floatingActionButton = {
+            if (CoffeeApplication.currentUser?.role == "admin") {
+                FloatingActionButton(
+                    onClick = {
+                        coroutineScope.launch {
+                            viewModel.getOrdersByDate(startDate.value, endDate.value, coroutineScope)
+                        }
+                    },
+                    Modifier
+                        .padding(all = 20.dp)
+                ) {
+                    Icon(
+                        imageVector = Icons.Filled.Check,
+                        contentDescription = "Perform",
+                        modifier = Modifier.size(20.dp)
+                    )
+                }
+            }
+        }
+    ) { innerPadding ->
+        Column (modifier = Modifier
+            .padding(innerPadding).fillMaxSize()) {
+            StartEndDateBlock(
+                startDate = startDate,
+                endDate = endDate,
+                onStartDateClick = {
+                    isStartDate.value = true
+                    openDatePicker.value = true
+                },
+                onEndDateClick = {
+                    isStartDate.value = false
+                    openDatePicker.value = true
+                }
+            )
+            TotalBlock(orderList = orderListUiState.value)
+            OrderList(
+                orderList = orderListUiState
+            )
+        }
+        DateDialog(
+            startDate = startDate,
+            endDate = endDate,
+            isStartDate = isStartDate,
+            openDatePicker = openDatePicker,
+            datePickerState = datePickerState
+        )
+    }
+}
+
+@Composable
+private fun OrderList(
+    orderList: State<List<OrderWithCoffees>>,
+) {
+    LazyColumn(
+        horizontalAlignment = Alignment.CenterHorizontally,
+        modifier = Modifier.padding(start = 10.dp, end = 10.dp)) {
+        items(items = orderList.value) {order ->
+            OrderListItem(
+                order = order
+            )
+        }
+    }
+}
+
+@Composable
+private fun StartEndDateBlock(
+    startDate: MutableState<String>,
+    endDate: MutableState<String>,
+    onStartDateClick: () -> Unit,
+    onEndDateClick: () -> Unit
+) {
+    Column(
+        Modifier
+            .fillMaxWidth()
+            .heightIn(max = 140.dp)
+            .padding(bottom = 10.dp, top = 10.dp)) {
+
+        Row(horizontalArrangement = Arrangement.Center,
+            verticalAlignment = Alignment.CenterVertically) {
+            Button(onClick = {onStartDateClick()},
+                shape = CircleShape,
+                modifier = Modifier.width(100.dp).padding(10.dp),
+                colors = ButtonDefaults.buttonColors(
+                    containerColor = MaterialTheme.colorScheme.primaryContainer,
+                    contentColor = MaterialTheme.colorScheme.primary
+                )
+            ) {
+                Text(text = "От")
+            }
+            Text(text = startDate.value, modifier = Modifier.padding(10.dp))
+            Button(onClick = {onEndDateClick()},
+                shape = CircleShape,
+                modifier = Modifier.width(100.dp).padding(10.dp),
+                colors = ButtonDefaults.buttonColors(
+                    containerColor = MaterialTheme.colorScheme.primaryContainer,
+                    contentColor = MaterialTheme.colorScheme.primary
+                )
+            ) {
+                Text(text = "До")
+            }
+            Text(text = endDate.value, modifier = Modifier.padding(10.dp))
+        }
+    }
+}
+
+@Composable
+private fun TotalBlock(
+    orderList: List<OrderWithCoffees>
+) {
+    Column(
+        Modifier
+            .fillMaxWidth()
+            .heightIn(max = 140.dp)
+            .padding(bottom = 10.dp, top = 10.dp)) {
+
+        Row(horizontalArrangement = Arrangement.Center,
+            verticalAlignment = Alignment.CenterVertically,
+            modifier = Modifier.fillMaxWidth()) {
+            Row(modifier = Modifier.width(145.dp)) {
+                Text(text = "Итого: ", modifier = Modifier.padding(5.dp))
+                Text(text = orderList.sumOf { it.order.sum }.toString(), modifier = Modifier.padding(5.dp))
+            }
+            Row(modifier = Modifier.width(145.dp)) {
+                Text(text = "Количество: ", modifier = Modifier.padding(5.dp))
+                Text(text = orderList.count().toString(), modifier = Modifier.padding(5.dp))
+            }
+            Row(modifier = Modifier.width(145.dp)) {
+                Text(text = "Среднее: ", modifier = Modifier.padding(5.dp))
+                Text(text = (orderList.sumOf { it.order.sum } / orderList.count()).toString(), modifier = Modifier.padding(5.dp))
+            }
+        }
+    }
+}
+
+@Composable
+private fun OrderListItem(
+    order: OrderWithCoffees
+) {
+    Column(
+        Modifier
+            .fillMaxWidth()
+            .heightIn(max = 150.dp)
+            .padding(bottom = 10.dp, top = 10.dp),
+        verticalArrangement = Arrangement.Center,
+        horizontalAlignment = Alignment.CenterHorizontally) {
+        Text(text = order.user.fio, fontSize = 25.sp)
+        Text(text = order.user.phone, fontSize = 25.sp)
+        Text(text = String.format("%.2f", order.order.sum), fontSize = 30.sp)
+        Row() {
+            for (i in (0..order.coffees.count()-1)) {
+                if (order.counts[i] > 1) {
+                    Text(text = order.coffees[i].name + " x" + order.counts[i] + "(" + order.coffees[i].cost * order.counts[i] + ")", fontSize = 15.sp)
+                } else {
+                    Text(text = order.coffees[i].name + "(" + order.coffees[i].cost + ")", fontSize = 15.sp)
+                }
+            }
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+private fun DateDialog(
+    startDate: MutableState<String>,
+    endDate: MutableState<String>,
+    isStartDate: MutableState<Boolean>,
+    openDatePicker: MutableState<Boolean>,
+    datePickerState: DatePickerState
+) {
+    if (openDatePicker.value) {
+        Dialog(onDismissRequest = { openDatePicker.value = false },
+            properties = DialogProperties(dismissOnBackPress = true, dismissOnClickOutside = true, usePlatformDefaultWidth = false)
+        ) {
+            Card(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .fillMaxHeight(0.7f)
+                    .padding(16.dp),
+                shape = RoundedCornerShape(16.dp),
+            ) {
+                Column(verticalArrangement = Arrangement.Center, horizontalAlignment = Alignment.End) {
+                    Button(
+                        onClick = {
+                            if (datePickerState.selectedDateMillis != null) {
+                                val formatter = SimpleDateFormat("dd-MM-yyyy", Locale.ROOT)
+                                if (isStartDate.value) {
+                                    startDate.value = formatter.format(Date(datePickerState.selectedDateMillis!!))
+                                } else {
+                                    endDate.value = formatter.format(Date(datePickerState.selectedDateMillis!!))
+                                }
+                            }
+                            openDatePicker.value = false
+                        },
+                        modifier = Modifier.padding(10.dp),
+                    ) {
+                        Text("Ок")
+                    }
+                    DatePicker(
+                        state = datePickerState,
+                        modifier = Modifier
+                            .fillMaxSize()
+                            .padding(10.dp)
+                    )
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/zyzf/coffeepreorder/ui/statistic/OrderStatisticViewModel.kt

@@ -0,0 +1,41 @@
+package com.zyzf.coffeepreorder.ui.statistic
+
+import androidx.lifecycle.ViewModel
+import com.zyzf.coffeepreorder.database.model.OrderWithCoffees
+import com.zyzf.coffeepreorder.database.repository.OrderRepository
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.DelicateCoroutinesApi
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
+import kotlinx.coroutines.withContext
+import java.time.LocalDate
+import java.time.format.DateTimeFormatter
+
+class OrderStatisticViewModel(
+    private val orderRepository: OrderRepository
+) : ViewModel() {
+    private val formatter = DateTimeFormatter.ofPattern("dd-MM-yyyy")
+    private var startDate: String = LocalDate.now().minusDays(1).format(formatter)
+    private var endDate: String = LocalDate.now().format(formatter)
+
+    var orderListUiState: Flow<List<OrderWithCoffees>> = temp()
+
+    private fun temp(): Flow<List<OrderWithCoffees>> {
+        var orderWithCoffees: Flow<List<OrderWithCoffees>>? = null
+        runBlocking {
+            orderWithCoffees = orderRepository.getOrdersByDate(startDate, endDate)
+        }
+        return orderWithCoffees!!
+    }
+
+    fun getOrdersByDate(startDate: String, endDate: String, scope: CoroutineScope) {
+        this.startDate = startDate
+        this.endDate = endDate
+        scope.launch {
+            orderListUiState = orderRepository.getOrdersByDate(startDate, endDate)
+        }
+    }
+}

app/src/main/res/values/strings.xml

@@ -5,6 +5,7 @@
     <string name="coffee_main_title">Меню</string>
     <string name="coffee_cart">Корзина</string>
     <string name="coffee_order">Заказ</string>
+    <string name="coffee_order_statistic">Статистика</string>
     <string name="coffee_name">Название</string>
     <string name="coffee_cost">Стоимость</string>
     <string name="coffee_ingredients">Ингредиенты</string>

app/src/main/res/xml/network_security_config.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <network-security-config>
     <domain-config cleartextTrafficPermitted="true">
-        <domain includeSubdomains="true">192.168.0.100</domain>
+        <domain includeSubdomains="true">192.168.1.230</domain>
     </domain-config>
 </network-security-config>

backend/Dockerfile

@@ -0,0 +1,4 @@
+FROM eclipse-temurin:17-jdk-alpine
+VOLUME /tmp
+COPY build/libs/yan-0.0.1-SNAPSHOT.jar app.jar
+ENTRYPOINT ["java","-jar","/app.jar"]

backend/build.gradle

@@ -1,6 +1,6 @@
 plugins {
 	id 'java'
-	id 'org.springframework.boot' version '3.2.0'
+	id 'org.springframework.boot' version '3.2.1'
 	id 'io.spring.dependency-management' version '1.1.4'
 }
 
@@ -16,16 +16,15 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-devtools'
 
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
-	implementation 'com.h2database:h2'
+	//implementation 'com.h2database:h2:2.1.212'
 
 	implementation 'org.hibernate.validator:hibernate-validator'
 	implementation 'org.projectlombok:lombok'
 
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
+	runtimeOnly 'org.postgresql:postgresql'
 }
 
 tasks.named('test') {
 	useJUnitPlatform()
 }
-
-java.targetCompatibility = JavaVersion.VERSION_17

backend/src/main/java/com/kalyshev/yan/coffee/repository/CoffeeRepository.java

@@ -1,7 +1,20 @@
 package com.kalyshev.yan.coffee.repository;
 
 import com.kalyshev.yan.coffee.model.Coffee;
+import com.kalyshev.yan.order.model.OrderCoffeeCrossRef;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+import org.springframework.data.util.Pair;
+
+import java.util.List;
 
 public interface CoffeeRepository extends JpaRepository<Coffee, Long> {
+    @Query(value = """
+        select c, ord.count from Coffee c
+        join OrderCoffeeCrossRef ord on c.id = ord.coffee.id
+        join Order o on o.id = ord.order.id
+        where o.id = :order_id
+        """)
+    public List<Object[]> findCoffeesByOrder(@Param("order_id") Long orderId);
 }

backend/src/main/java/com/kalyshev/yan/order/controller/OrderCoffeeCrossRefDto.java

@@ -0,0 +1,42 @@
+package com.kalyshev.yan.order.controller;
+
+import com.kalyshev.yan.order.model.OrderCoffeeCrossRef;
+
+public class OrderCoffeeCrossRefDto {
+    private Long id;
+    private Long orderId;
+    private Long coffeeId;
+    private int count;
+    public OrderCoffeeCrossRefDto(){}
+    public OrderCoffeeCrossRefDto(OrderCoffeeCrossRef orderCoffeeCrossRef) {
+        this.id = orderCoffeeCrossRef.getId();
+        this.orderId = orderCoffeeCrossRef.getOrder().getId();
+        this.coffeeId = orderCoffeeCrossRef.getCoffee().getId();
+        this.count = orderCoffeeCrossRef.getCount();
+    }
+
+    public Long getId() {
+        return id;
+    }
+    public void setId(Long id) {
+        this.id = id;
+    }
+    public Long getOrderId() {
+        return orderId;
+    }
+    public void setOrderId(Long orderId) {
+        this.orderId = orderId;
+    }
+    public Long getCoffeeId() {
+        return coffeeId;
+    }
+    public void setCoffeeId(Long coffeeId) {
+        this.coffeeId = coffeeId;
+    }
+    public int getCount() {
+        return count;
+    }
+    public void setCount(int count) {
+        this.count = count;
+    }
+}

backend/src/main/java/com/kalyshev/yan/order/controller/OrderController.java

@@ -0,0 +1,70 @@
+package com.kalyshev.yan.order.controller;
+
+import com.kalyshev.yan.WebConfiguration;
+import com.kalyshev.yan.coffee.controller.CoffeeDto;
+import com.kalyshev.yan.order.model.OrderCoffeeCrossRef;
+import com.kalyshev.yan.order.model.OrderCoffees;
+import com.kalyshev.yan.order.service.OrderService;
+import jakarta.validation.Valid;
+import org.springframework.data.util.Pair;
+import org.springframework.web.bind.annotation.*;
+
+import java.text.ParseException;
+import java.util.List;
+import java.util.Objects;
+
+@RestController
+@RequestMapping(WebConfiguration.REST_API + "/order")
+public class OrderController {
+    private final OrderService orderService;
+    public OrderController(OrderService orderService) {
+        this.orderService = orderService;
+    }
+    @GetMapping("/coffeesByOrder")
+    public List<Pair<CoffeeDto, Integer>> getCoffeesByOrder(
+            @RequestParam(value = "orderId") Long orderId
+    ){
+        return orderService.findCoffeesByOrder(orderId);
+    }
+
+    @GetMapping("/byDate")
+    public List<OrderCoffees> getOrdersByDate(
+            @RequestParam(value = "startDate") String startDate,
+            @RequestParam(value = "endDate") String endDate
+    ) throws ParseException {
+        return orderService.findOrdersByDate(startDate, endDate);
+    }
+
+    @GetMapping("/byUser")
+    public List<OrderDto> getOrdersByUser(
+            @RequestParam(value = "userId") Long userId,
+            @RequestParam(value = "pageNo", defaultValue = "0", required = false) int pageNo,
+            @RequestParam(value = "pageSize", defaultValue = "10", required = false) int pageSize,
+            @RequestParam(value = "sortBy", defaultValue = "id", required = false) String sortBy,
+            @RequestParam(value = "sortDir", defaultValue = "asc", required = false) String sortDir
+    ) {
+        return orderService.findOrderByUser(userId, pageNo, pageSize, sortBy, sortDir).stream()
+                .map(OrderDto::new)
+                .toList();
+    }
+
+    @GetMapping("/coffeeCrossRef")
+    public List<OrderCoffeeCrossRef> getOrdersByDate() {
+        return orderService.findOrderCoffeeCrossRef();
+    }
+
+    @PostMapping("/")
+    public OrderDto createOrder(@RequestBody @Valid OrderDto orderDto) throws ParseException {
+        return new OrderDto(orderService.addOrder(orderDto.getDate(), orderDto.getSum(), orderDto.getUser().getId()));
+    }
+
+    @PostMapping("/coffeeCrossRef")
+    public void createOrderCoffeeCrossRef(@RequestBody @Valid OrderCoffeeCrossRefDto orderCoffeeCrossRefDto) {
+        orderService.createOrderCoffeeCrossRef(orderCoffeeCrossRefDto.getOrderId(), orderCoffeeCrossRefDto.getCoffeeId(), orderCoffeeCrossRefDto.getCount());
+    }
+
+    @DeleteMapping("/coffeeCrossRef/{id}")
+    public void deleteOrderCoffeeCrossRef(@PathVariable Long id) {
+        orderService.deleteOrderCoffeeCrossRef(id);
+    }
+}

backend/src/main/java/com/kalyshev/yan/order/controller/OrderDto.java

@@ -0,0 +1,47 @@
+package com.kalyshev.yan.order.controller;
+
+import com.kalyshev.yan.order.model.Order;
+import com.kalyshev.yan.user.model.User;
+
+import java.text.SimpleDateFormat;
+import java.time.format.DateTimeFormatter;
+
+public class OrderDto {
+    private Long id;
+    private String date;
+    private Double sum;
+    private User user;
+    public OrderDto(){}
+    public OrderDto(Order order) {
+        SimpleDateFormat format = new SimpleDateFormat("dd-MM-yyyy");
+        this.id = order.getId();
+        this.date = format.format(order.getDate());
+        this.sum = order.getSum();
+        this.user = order.getUser();
+    }
+
+    public Long getId() {
+        return id;
+    }
+    public void setId(Long id) {
+        this.id = id;
+    }
+    public String getDate() {
+        return date;
+    }
+    public void setDate(String date) {
+        this.date = date;
+    }
+    public Double getSum() {
+        return sum;
+    }
+    public void setSum(Double sum) {
+        this.sum = sum;
+    }
+    public User getUser() {
+        return user;
+    }
+    public void setUser(User user) {
+        this.user = user;
+    }
+}

backend/src/main/java/com/kalyshev/yan/order/model/Order.java

@@ -0,0 +1,54 @@
+package com.kalyshev.yan.order.model;
+
+import com.kalyshev.yan.user.model.User;
+import jakarta.persistence.*;
+
+import java.util.Date;
+
+@Entity
+@Table(name = "order_o")
+public class Order {
+    @Id
+    @GeneratedValue
+    private Long id;
+    @Temporal(TemporalType.DATE)
+    private Date date;
+    private Double sum;
+    @ManyToOne(cascade = {CascadeType.MERGE})
+    @JoinColumn(name = "user_id", unique = false)
+    private User user;
+    public Order(Date date, Double sum, User user) {
+        this.date = date;
+        this.sum = sum;
+        this.user = user;
+    }
+    public Order(Long id, Date date, Double sum, User user) {
+        this.id = id;
+        this.date = date;
+        this.sum = sum;
+        this.user = user;
+    }
+    public Order() {}
+
+    public Long getId() {
+        return id;
+    }
+    public Date getDate() {
+        return date;
+    }
+    public void setDate(Date date) {
+        this.date = date;
+    }
+    public Double getSum() {
+        return sum;
+    }
+    public void setSum(Double sum) {
+        this.sum = sum;
+    }
+    public User getUser() {
+        return user;
+    }
+    public void setUser(User user) {
+        this.user = user;
+    }
+}

backend/src/main/java/com/kalyshev/yan/order/model/OrderCoffeeCrossRef.java

@@ -0,0 +1,56 @@
+package com.kalyshev.yan.order.model;
+
+import com.kalyshev.yan.coffee.model.Coffee;
+import jakarta.persistence.*;
+
+import javax.crypto.Cipher;
+
+@Entity
+@Table(name = "order_coffee")
+public class OrderCoffeeCrossRef {
+    @Id
+    @GeneratedValue
+    private Long id;
+    @ManyToOne(cascade = {CascadeType.MERGE})
+    @JoinColumn(name = "order_id", unique = false)
+    private Order order;
+    @ManyToOne(cascade = {CascadeType.MERGE})
+    @JoinColumn(name = "coffee_id", unique = false)
+    private Coffee coffee;
+    @Column(name = "count")
+    private int count;
+    public OrderCoffeeCrossRef(Order order, Coffee coffee, int count) {
+        this.order = order;
+        this.coffee = coffee;
+        this.count = count;
+    }
+    public OrderCoffeeCrossRef(Long id, Order order, Coffee coffee, int count) {
+        this.id = id;
+        this.order = order;
+        this.coffee = coffee;
+        this.count = count;
+    }
+    public OrderCoffeeCrossRef() {}
+
+    public Long getId() {
+        return id;
+    }
+    public Order getOrder() {
+        return order;
+    }
+    public void setOrder(Order order) {
+        this.order = order;
+    }
+    public Coffee getCoffee() {
+        return coffee;
+    }
+    public void setCoffee(Coffee coffee) {
+        this.coffee = coffee;
+    }
+    public int getCount() {
+        return count;
+    }
+    public void setCount(int count) {
+        this.count = count;
+    }
+}

backend/src/main/java/com/kalyshev/yan/order/model/OrderCoffees.java

@@ -0,0 +1,33 @@
+package com.kalyshev.yan.order.model;
+
+import com.kalyshev.yan.coffee.controller.CoffeeDto;
+import com.kalyshev.yan.coffee.model.Coffee;
+import com.kalyshev.yan.order.controller.OrderDto;
+import org.springframework.data.util.Pair;
+
+import java.util.List;
+
+public class OrderCoffees {
+    private OrderDto order;
+    private List<Pair<CoffeeDto, Integer>> coffees;
+    public OrderCoffees() {
+
+    }
+    public OrderCoffees(OrderDto order, List<Pair<CoffeeDto, Integer>> coffees) {
+        this.order = order;
+        this.coffees = coffees;
+    }
+
+    public OrderDto getOrder() {
+        return order;
+    }
+    public void setOrder(OrderDto order) {
+        this.order = order;
+    }
+    public List<Pair<CoffeeDto, Integer>> getCoffees() {
+        return coffees;
+    }
+    public void setCoffees(List<Pair<CoffeeDto, Integer>> coffees) {
+        this.coffees = coffees;
+    }
+}

backend/src/main/java/com/kalyshev/yan/order/repository/OrderCoffeeCrossRefRepository.java

@@ -0,0 +1,7 @@
+package com.kalyshev.yan.order.repository;
+
+import com.kalyshev.yan.order.model.OrderCoffeeCrossRef;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface OrderCoffeeCrossRefRepository extends JpaRepository<OrderCoffeeCrossRef, Long> {
+}

backend/src/main/java/com/kalyshev/yan/order/repository/OrderNotFoundException.java

@@ -0,0 +1,7 @@
+package com.kalyshev.yan.order.repository;
+
+public class OrderNotFoundException extends RuntimeException {
+    public OrderNotFoundException(Long id) {
+        super(String.format("Order with id [%s] is not found", id));
+    }
+}

backend/src/main/java/com/kalyshev/yan/order/repository/OrderRepository.java

@@ -0,0 +1,30 @@
+package com.kalyshev.yan.order.repository;
+
+import com.kalyshev.yan.coffee.model.Coffee;
+import com.kalyshev.yan.order.model.Order;
+import com.kalyshev.yan.order.model.OrderCoffeeCrossRef;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+
+import java.util.Date;
+import java.util.List;
+
+public interface OrderRepository extends JpaRepository<Order, Long> {
+
+    @Query(value = """
+        select * from order_o
+        where order_o.date >= :start_date and order_o.date <= :end_date
+        """, nativeQuery = true)
+    public List<Order> findOrdersByDate(@Param("start_date") Date startDate,
+                                        @Param("end_date") Date endDate);
+
+    @Query(value = """
+        select new OrderCoffeeCrossRef(ord.id, ord.order, ord.coffee, ord.count) from OrderCoffeeCrossRef ord
+        """)
+    public List<OrderCoffeeCrossRef> findOrderCoffeeCrossRef();
+
+    public Page<Order> findOrdersByUser(Long userId, Pageable pageable);
+}

backend/src/main/java/com/kalyshev/yan/order/service/OrderService.java

@@ -0,0 +1,130 @@
+package com.kalyshev.yan.order.service;
+
+import com.kalyshev.yan.coffee.controller.CoffeeDto;
+import com.kalyshev.yan.coffee.model.Coffee;
+import com.kalyshev.yan.coffee.repository.CoffeeNotFoundException;
+import com.kalyshev.yan.coffee.repository.CoffeeRepository;
+import com.kalyshev.yan.order.controller.OrderCoffeeCrossRefDto;
+import com.kalyshev.yan.order.controller.OrderDto;
+import com.kalyshev.yan.order.model.Order;
+import com.kalyshev.yan.order.model.OrderCoffeeCrossRef;
+import com.kalyshev.yan.order.model.OrderCoffees;
+import com.kalyshev.yan.order.repository.OrderCoffeeCrossRefRepository;
+import com.kalyshev.yan.order.repository.OrderNotFoundException;
+import com.kalyshev.yan.order.repository.OrderRepository;
+import com.kalyshev.yan.user.model.User;
+import com.kalyshev.yan.user.repository.UserNotFoundException;
+import com.kalyshev.yan.user.repository.UserRepository;
+import com.kalyshev.yan.util.validation.ValidatorUtil;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Sort;
+import org.springframework.data.util.Pair;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.StringUtils;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.util.*;
+
+@Service
+public class OrderService {
+    private final OrderRepository orderRepository;
+    private final OrderCoffeeCrossRefRepository orderCoffeeCrossRefRepository;
+    private final UserRepository userRepository;
+    private final CoffeeRepository coffeeRepository;
+    private final ValidatorUtil validatorUtil;
+    public OrderService(OrderRepository orderRepository,
+                        OrderCoffeeCrossRefRepository orderCoffeeCrossRefRepository,
+                        UserRepository userRepository,
+                        CoffeeRepository coffeeRepository,
+                       ValidatorUtil validatorUtil) {
+        this.orderRepository = orderRepository;
+        this.orderCoffeeCrossRefRepository = orderCoffeeCrossRefRepository;
+        this.userRepository = userRepository;
+        this.coffeeRepository = coffeeRepository;
+        this.validatorUtil = validatorUtil;
+    }
+    @Transactional
+    public Order addOrder(String date, Double sum, Long userId) throws ParseException {
+        if (!StringUtils.hasText(date)) {
+            throw new IllegalArgumentException("Date is null or empty");
+        }
+        if (sum <= 0) {
+            throw new IllegalArgumentException("Sum is null or negative");
+        }
+        if (userId <= 0) {
+            throw new IllegalArgumentException("UserId is null or negative");
+        }
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("dd-MM-yyyy");
+        SimpleDateFormat format = new SimpleDateFormat("dd-MM-yyyy");
+        final User user = userRepository.findById(userId).orElseThrow(() -> new UserNotFoundException(userId));
+        final Order order = new Order(format.parse(date), sum, user);
+        validatorUtil.validate(order);
+        return orderRepository.save(order);
+    }
+    @Transactional(readOnly = true)
+    public List<Pair<CoffeeDto, Integer>> findCoffeesByOrder(Long orderId) {
+        List<Object[]> coffees = coffeeRepository.findCoffeesByOrder(orderId);
+        List<Pair<CoffeeDto, Integer>> resultCoffees = new ArrayList<>();
+        for (Object[] coffee : coffees) {
+            resultCoffees.add(Pair.of(new CoffeeDto((Coffee) coffee[0]),(Integer) coffee[1]));
+        }
+        return resultCoffees;
+    }
+    @Transactional(readOnly = true)
+    public List<OrderCoffees> findOrdersByDate(String startDate, String endDate) throws ParseException {
+        SimpleDateFormat formatter = new SimpleDateFormat("dd-MM-yyyy", Locale.ROOT);
+        SimpleDateFormat formatter1 = new SimpleDateFormat("yyyy-MM-dd", Locale.ROOT);
+        Date startDateDate = formatter.parse(startDate);
+        Date endDateDate = formatter.parse(endDate);
+        List<Order> orders = orderRepository.findOrdersByDate(startDateDate, endDateDate);
+        List<OrderCoffees> orderCoffees = new ArrayList<OrderCoffees>();
+        for (Order order : orders) {
+            List<Object[]> coffees = coffeeRepository.findCoffeesByOrder(order.getId());
+            List<Pair<CoffeeDto, Integer>> resultCoffees = new ArrayList<>();
+            for (Object[] coffee : coffees) {
+                resultCoffees.add(Pair.of(new CoffeeDto((Coffee) coffee[0]),(Integer) coffee[1]));
+            }
+            orderCoffees.add(new OrderCoffees(new OrderDto(order), resultCoffees));
+        }
+        return orderCoffees;
+    }
+    @Transactional(readOnly = true)
+    public List<OrderCoffeeCrossRef> findOrderCoffeeCrossRef() {
+        List<OrderCoffeeCrossRef> orderCoffeeCrossRefs = orderRepository.findOrderCoffeeCrossRef();
+        return orderCoffeeCrossRefs;
+    }
+    @Transactional
+    public void createOrderCoffeeCrossRef(Long orderId, Long coffeeId, int count) {
+        final Order order = orderRepository.findById(orderId).orElseThrow(() -> new OrderNotFoundException(orderId));
+        final Coffee coffee = coffeeRepository.findById(coffeeId).orElseThrow(() -> new CoffeeNotFoundException(coffeeId));
+        final OrderCoffeeCrossRef orderCoffeeCrossRef = new OrderCoffeeCrossRef(order, coffee, count);
+        validatorUtil.validate(orderCoffeeCrossRef);
+        orderCoffeeCrossRefRepository.save(orderCoffeeCrossRef);
+    }
+    @Transactional(readOnly = true)
+    public List<Order> findOrderByUser(Long userId, int pageNo, int pageSize, String sortBy, String sortDir) {
+        Sort sort = sortDir.equalsIgnoreCase(Sort.Direction.ASC.name()) ? Sort.by(sortBy).ascending()
+                : Sort.by(sortBy).descending();
+
+        // create Pageable instance
+        Pageable pageable = PageRequest.of(pageNo, pageSize, sort);
+
+        Page<Order> orders = orderRepository.findOrdersByUser(userId, pageable);
+
+        // get content for page object
+        List<Order> listOfOrders = orders.getContent();
+
+        return listOfOrders;
+    }
+
+    @Transactional
+    public void deleteOrderCoffeeCrossRef(Long id) {
+        orderCoffeeCrossRefRepository.deleteById(id);
+    }
+}

backend/src/main/java/com/kalyshev/yan/user/repository/UserRepository.java

@@ -8,7 +8,7 @@ import org.springframework.data.repository.query.Param;
 import java.util.Optional;
 
 public interface UserRepository extends JpaRepository<User, Long> {
-    @Query(value = "select * from \"USER_U\" where \"LOGIN\" = :login and \"PASSWORD\" = :password", nativeQuery = true)
+    @Query(value = "select * from user_u where login = :login and password = :password", nativeQuery = true)
     public Optional<User> tryLogin(@Param("login") String login,
                                    @Param("password") String password);
 

backend/src/main/java/com/kalyshev/yan/util/error/AdviceController.java

@@ -1,6 +1,7 @@
 package com.kalyshev.yan.util.error;
 
 import com.kalyshev.yan.coffee.repository.CoffeeNotFoundException;
+import com.kalyshev.yan.order.repository.OrderNotFoundException;
 import com.kalyshev.yan.user.repository.UserNotFoundException;
 import com.kalyshev.yan.util.validation.ValidationException;
 import org.springframework.context.support.DefaultMessageSourceResolvable;
@@ -18,7 +19,8 @@ public class AdviceController {
     @ExceptionHandler({
             CoffeeNotFoundException.class,
             UserNotFoundException.class,
-            ValidationException.class
+            ValidationException.class,
+            OrderNotFoundException.class
     })
     public ResponseEntity<Object> handleException(Throwable e) {
         return new ResponseEntity<>(e.getMessage(), HttpStatus.BAD_REQUEST);

backend/src/main/resources/application.properties

@@ -1,11 +1,7 @@
-spring.main.banner-mode=off
-#server.port=8080
-spring.datasource.url=jdbc:h2:file:./data
-spring.datasource.driverClassName=org.h2.Driver
-spring.datasource.username=sa
-spring.datasource.password=password
-spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
 spring.jpa.hibernate.ddl-auto=update
-spring.h2.console.enabled=true
-spring.h2.console.settings.trace=false
-spring.h2.console.settings.web-allow-others=true
+spring.sql.init.mode=always
+spring.sql.init.platform=postgres
+spring.datasource.url=jdbc:postgresql://109.197.199.134:5432/coffee
+spring.datasource.username=postgres
+spring.datasource.password=gAiCyfGGv5TywE
+spring.jpa.properties.hibernate.jdbc.lob.non_contextual_creation=true