Feature: di

.idea/deploymentTargetDropDown.xml

@@ -7,11 +7,11 @@
         <deviceKey>
           <Key>
             <type value="VIRTUAL_DEVICE_PATH" />
-            <value value="C:\Users\Admin\.android\avd\Pixel_7_Pro_API_30.avd" />
+            <value value="C:\Users\Admin\.android\avd\Pixel_2_API_30.avd" />
           </Key>
         </deviceKey>
       </Target>
     </targetSelectedWithDropDown>
-    <timeTargetWasSelectedWithDropDown value="2023-10-12T15:08:00.916663800Z" />
+    <timeTargetWasSelectedWithDropDown value="2023-10-29T18:24:53.426357Z" />
   </component>
 </project>

app/src/main/java/com/example/android_programming/App.kt

@@ -7,13 +7,10 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
 class App : Application() {
-    val database by lazy { AppDatabase.getInstance(this)}
+    lateinit var container: AppContainer
 
     override fun onCreate() {
         super.onCreate()
-//        this.deleteDatabase("my-db")
-        CoroutineScope(Dispatchers.IO).launch {
-            AppDatabase.populateDatabase()
-        }
+        container = AppDataContainer(this)
     }
 }

app/src/main/java/com/example/android_programming/AppContainer.kt

@@ -0,0 +1,11 @@
+package com.example.android_programming
+
+import com.example.android_programming.repository.OrderRepository
+import com.example.android_programming.repository.SneakerRepository
+import com.example.android_programming.repository.UserRepository
+
+interface AppContainer {
+    val sneakerRepo: SneakerRepository
+    val userRepo: UserRepository
+    val orderRepo: OrderRepository
+}

app/src/main/java/com/example/android_programming/AppDataContainer.kt

@@ -0,0 +1,22 @@
+package com.example.android_programming
+
+import android.content.Context
+import com.example.android_programming.database.AppDatabase
+import com.example.android_programming.repository.OrderRepoImpl
+import com.example.android_programming.repository.OrderRepository
+import com.example.android_programming.repository.SneakerRepoImpl
+import com.example.android_programming.repository.SneakerRepository
+import com.example.android_programming.repository.UserRepoImpl
+import com.example.android_programming.repository.UserRepository
+
+class AppDataContainer(private val context: Context) : AppContainer {
+    override val sneakerRepo: SneakerRepository by lazy {
+        SneakerRepoImpl(AppDatabase.getInstance(context).sneakerDao())
+    }
+    override val userRepo: UserRepository by lazy {
+        UserRepoImpl(AppDatabase.getInstance(context).userDao())
+    }
+    override val orderRepo: OrderRepository by lazy {
+        OrderRepoImpl(AppDatabase.getInstance(context).orderDao())
+    }
+}

app/src/main/java/com/example/android_programming/repository/OrderRepoImpl.kt

@@ -0,0 +1,20 @@
+package com.example.android_programming.repository
+
+import com.example.android_programming.dao.OrderDao
+import com.example.android_programming.model.Order
+import com.example.android_programming.model.OrderSneaker
+import com.example.android_programming.model.OrderWithSneakers
+import kotlinx.coroutines.flow.Flow
+
+class OrderRepoImpl(private val orderDao: OrderDao) : OrderRepository {
+
+    override suspend fun createOrder(order: Order): Long = orderDao.createOrder(order)
+
+    override suspend fun insertOrderSneaker(orderSneaker: OrderSneaker) = orderDao.insertOrderSneaker(orderSneaker)
+
+    override suspend fun delete(order: Order) = orderDao.delete(order)
+
+    override fun getOrderWithSneakers(id: Int): Flow<OrderWithSneakers> = orderDao.getOrderWithSneakers(id)
+
+    override fun getAllOrder(): Flow<List<Order>> = orderDao.getAllOrder()
+}

app/src/main/java/com/example/android_programming/repository/OrderRepository.kt

@@ -0,0 +1,14 @@
+package com.example.android_programming.repository
+
+import com.example.android_programming.model.Order
+import com.example.android_programming.model.OrderSneaker
+import com.example.android_programming.model.OrderWithSneakers
+import kotlinx.coroutines.flow.Flow
+
+interface OrderRepository {
+    suspend fun createOrder(order: Order): Long
+    suspend fun insertOrderSneaker(orderSneaker: OrderSneaker)
+    suspend fun delete(order: Order)
+    fun getOrderWithSneakers(id: Int): Flow<OrderWithSneakers>
+    fun getAllOrder(): Flow<List<Order>>
+}

app/src/main/java/com/example/android_programming/repository/SneakerRepoImpl.kt

@@ -0,0 +1,18 @@
+package com.example.android_programming.repository
+
+import com.example.android_programming.dao.SneakerDao
+import com.example.android_programming.model.Sneaker
+import kotlinx.coroutines.flow.Flow
+
+class SneakerRepoImpl(private val sneakerDao: SneakerDao) : SneakerRepository {
+
+    override suspend fun insertSneaker(sneaker: Sneaker) = sneakerDao.insert(sneaker)
+
+    override suspend fun updateSneaker(sneaker: Sneaker) = sneakerDao.update(sneaker)
+
+    override suspend fun deleteSneaker(sneaker: Sneaker) = sneakerDao.delete(sneaker)
+
+    override suspend fun getSneakerById(id: Int): Sneaker = sneakerDao.getSneakerById(id)
+
+    override fun getAllSneakers(): Flow<List<Sneaker>> = sneakerDao.getAllSneakers()
+}

app/src/main/java/com/example/android_programming/repository/SneakerRepository.kt

@@ -0,0 +1,12 @@
+package com.example.android_programming.repository
+
+import com.example.android_programming.model.Sneaker
+import kotlinx.coroutines.flow.Flow
+
+interface SneakerRepository {
+    suspend fun insertSneaker(sneaker: Sneaker)
+    suspend fun updateSneaker(sneaker: Sneaker)
+    suspend fun deleteSneaker(sneaker: Sneaker)
+    suspend fun getSneakerById(id: Int): Sneaker
+    fun getAllSneakers(): Flow<List<Sneaker>>
+}

app/src/main/java/com/example/android_programming/repository/UserRepoImpl.kt

@@ -0,0 +1,21 @@
+package com.example.android_programming.repository
+
+import com.example.android_programming.dao.UserDao
+import com.example.android_programming.model.User
+import com.example.android_programming.model.UserWithOrder
+import kotlinx.coroutines.flow.Flow
+
+class UserRepoImpl(private val userDao: UserDao) : UserRepository {
+
+    override suspend fun createUser(user: User) = userDao.createUser(user)
+
+    override suspend fun updateUser(user: User) = userDao.updateUser(user)
+
+    override suspend fun deleteUser(user: User) = userDao.deleteUser(user)
+
+    override suspend fun getUserById(id: Int): User = userDao.getUserById(id)
+
+    override suspend fun getUserByEmail(email: String): User = userDao.getUserByEmail(email)
+
+    override fun getUserOrders(id: Int): Flow<UserWithOrder> = userDao.getUserOrders(id)
+}

app/src/main/java/com/example/android_programming/repository/UserRepository.kt

@@ -0,0 +1,14 @@
+package com.example.android_programming.repository
+
+import com.example.android_programming.model.User
+import com.example.android_programming.model.UserWithOrder
+import kotlinx.coroutines.flow.Flow
+
+interface UserRepository {
+    suspend fun createUser(user: User)
+    suspend fun updateUser(user: User)
+    suspend fun deleteUser(user: User)
+    suspend fun getUserById(id: Int): User
+    suspend fun getUserByEmail(email: String): User
+    fun getUserOrders(id: Int) : Flow<UserWithOrder>
+}