[7주차/필수] XML repository 패턴

app/src/main/java/com/sopt/now/data/database/FriendDatabase.kt

@@ -1,30 +1,11 @@
 package com.sopt.now.data.database
 
-import android.content.Context
 import androidx.room.Database
-import androidx.room.Room
 import androidx.room.RoomDatabase
 import com.sopt.now.data.model.local.FriendDao
 import com.sopt.now.data.model.local.FriendEntity
 
-@Database(entities = [FriendEntity::class], version = 2)
+@Database(entities = [FriendEntity::class], version = 1)
 abstract class FriendDatabase : RoomDatabase() {
     abstract fun friendDao(): FriendDao
-
-    companion object{
-        @Volatile
-        private var INSTANCE: FriendDatabase? = null
-
-        fun getDatabase(context: Context): FriendDatabase {
-            return INSTANCE ?: synchronized(this) {
-                val instance = Room.databaseBuilder(
-                    context.applicationContext,
-                    FriendDatabase::class.java,
-                    "friend_database"
-                ).build()
-                INSTANCE = instance
-                instance
-            }
-        }
-    }
 }

app/src/main/java/com/sopt/now/data/datasource/FriendDataSource.kt

@@ -0,0 +1,10 @@
+package com.sopt.now.data.datasource
+
+import com.sopt.now.data.model.local.FriendEntity
+
+interface FriendDataSource {
+    suspend fun insertFriend(friendEntity: FriendEntity)
+    suspend fun getFriend(): List<FriendEntity>
+    suspend fun deleteFriend(id:Int)
+    suspend fun deleteAll()
+}

app/src/main/java/com/sopt/now/data/datasource/SharedPrefDataSource.kt

@@ -0,0 +1,9 @@
+package com.sopt.now.data.datasource
+
+interface SharedPrefDataSource {
+    fun setUserId(key: String, value: Int)
+    fun getUserId(key: String): Int
+    fun getBoolean(key: String): Boolean
+    fun setBoolean(key: String, value: Boolean)
+    fun clearUserData()
+}

app/src/main/java/com/sopt/now/data/datasourceImpl/FriendDataSourceImpl.kt

@@ -0,0 +1,27 @@
+package com.sopt.now.data.datasourceImpl
+
+import com.sopt.now.data.database.FriendDatabase
+import com.sopt.now.data.datasource.FriendDataSource
+import com.sopt.now.data.model.local.FriendEntity
+import javax.inject.Inject
+
+class FriendDataSourceImpl @Inject constructor(
+    private val friendDatabase: FriendDatabase
+) : FriendDataSource {
+    override suspend fun insertFriend(friendEntity: FriendEntity) {
+        friendDatabase.friendDao().insertFriend(friendEntity)
+    }
+
+    override suspend fun getFriend(): List<FriendEntity> {
+        return friendDatabase.friendDao().getFriend()
+    }
+
+    override suspend fun deleteFriend(id: Int) {
+        friendDatabase.friendDao().deleteFriend(id)
+    }
+
+    override suspend fun deleteAll() {
+        friendDatabase.friendDao().deleteAll()
+    }
+
+}

app/src/main/java/com/sopt/now/data/datasourceImpl/SharedPrefDataSourceImpl.kt

@@ -0,0 +1,30 @@
+package com.sopt.now.data.datasourceImpl
+
+import android.content.SharedPreferences
+import com.sopt.now.data.datasource.SharedPrefDataSource
+import javax.inject.Inject
+
+class SharedPrefDataSourceImpl @Inject constructor(
+    private val sharedPreferences: SharedPreferences
+) : SharedPrefDataSource {
+
+    override fun setUserId(key: String, value: Int) {
+        return sharedPreferences.edit().putInt(key, value).apply()
+    }
+
+    override fun getUserId(key: String): Int {
+        return sharedPreferences.getInt(key, 0)
+    }
+
+    override fun getBoolean(key: String): Boolean {
+        return sharedPreferences.getBoolean(key, false)
+    }
+
+    override fun setBoolean(key: String, value: Boolean) {
+        sharedPreferences.edit().putBoolean(key, value).apply()
+    }
+
+    override fun clearUserData() {
+        sharedPreferences.edit().clear().apply()
+    }
+}

app/src/main/java/com/sopt/now/data/di/DataBaseModule.kt

@@ -0,0 +1,26 @@
+package com.sopt.now.data.di
+
+import android.content.Context
+import androidx.room.Room
+import com.sopt.now.data.database.FriendDatabase
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object DataBaseModule {
+    @Singleton
+    @Provides
+    fun provideDataBase(
+        @ApplicationContext context: Context
+    ): FriendDatabase = Room.databaseBuilder(context, FriendDatabase::class.java, "friend.db")
+        .createFromAsset("database/friend.db").build()
+
+    @Singleton
+    @Provides
+    fun provideFriendDao(friendDataBase: FriendDatabase) = friendDataBase.friendDao()
+}

app/src/main/java/com/sopt/now/data/di/DataSourceModule.kt

@@ -0,0 +1,23 @@
+package com.sopt.now.data.di
+
+import com.sopt.now.data.datasource.FriendDataSource
+import com.sopt.now.data.datasource.SharedPrefDataSource
+import com.sopt.now.data.datasourceImpl.FriendDataSourceImpl
+import com.sopt.now.data.datasourceImpl.SharedPrefDataSourceImpl
+import dagger.Binds
+import dagger.Module
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+abstract class DataSourceModule {
+    @Singleton
+    @Binds
+    abstract fun bindsFriendDataSource(friendDataSource: FriendDataSourceImpl): FriendDataSource
+
+    @Singleton
+    @Binds
+    abstract fun bindsSharedPRefDataSource(sharedPrefDataSource: SharedPrefDataSourceImpl): SharedPrefDataSource
+}

app/src/main/java/com/sopt/now/data/di/RepositoryModule.kt

@@ -0,0 +1,27 @@
+package com.sopt.now.data.di
+
+import com.sopt.now.data.repository.FriendRepository
+import com.sopt.now.data.repository.FriendRepositoryImpl
+import com.sopt.now.data.repository.SharedPrefRepository
+import com.sopt.now.data.repository.SharedPrefRepositoryImpl
+import dagger.Binds
+import dagger.Module
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+abstract class RepositoryModule {
+    @Singleton
+    @Binds
+    abstract fun bindsFriendRepository(
+        friendRepository: FriendRepositoryImpl
+    ): FriendRepository
+
+    @Singleton
+    @Binds
+    abstract fun bindsSharedPrefRepository(
+        sharedPrefRepository: SharedPrefRepositoryImpl
+    ): SharedPrefRepository
+}

app/src/main/java/com/sopt/now/data/di/SharedPreferencesModule.kt → app/src/main/java/com/sopt/now/data/di/SharedPrefModule.kt

@@ -11,7 +11,7 @@ import javax.inject.Singleton
 
 @Module
 @InstallIn(SingletonComponent::class)
-object SharedPreferencesModule {
+object SharedPrefModule {
     @Provides
     @Singleton
     fun provideSharedPreferences(@ApplicationContext context: Context):SharedPreferences {

app/src/main/java/com/sopt/now/data/model/local/FriendEntity.kt

@@ -3,6 +3,7 @@ package com.sopt.now.data.model.local
 import androidx.annotation.DrawableRes
 import androidx.room.Entity
 import androidx.room.PrimaryKey
+import com.sopt.now.presentation.model.Friend
 
 @Entity(tableName = "friend_table")
 data class FriendEntity(
@@ -22,14 +23,5 @@ data class FriendEntity(
 
             )
         }
-
-        fun toFriend(friendEntityList:List<FriendEntity>) = friendEntityList.map { data->
-            Friend(
-                id = data.id,
-                profileImage = data.profileImage,
-                name = data.name,
-                music = data.music
-            )
-        }
     }
 }

app/src/main/java/com/sopt/now/data/repository/FriendRepository.kt

@@ -0,0 +1,10 @@
+package com.sopt.now.data.repository
+
+import com.sopt.now.data.model.local.FriendEntity
+
+interface FriendRepository {
+    suspend fun insertFriend(friendEntity: FriendEntity)
+    suspend fun getFriend(): Result<List<FriendEntity>>
+    suspend fun deleteFriend(id:Int)
+    suspend fun deleteAll()
+}

app/src/main/java/com/sopt/now/data/repository/FriendRepositoryImpl.kt

@@ -0,0 +1,30 @@
+package com.sopt.now.data.repository
+
+import com.sopt.now.data.datasource.FriendDataSource
+import com.sopt.now.data.model.local.FriendEntity
+import javax.inject.Inject
+
+class FriendRepositoryImpl @Inject constructor(
+    private val friendDataSource: FriendDataSource
+) : FriendRepository {
+    override suspend fun insertFriend(friendEntity: FriendEntity) {
+        friendDataSource.insertFriend(friendEntity)
+
+    }
+
+    override suspend fun getFriend(): Result<List<FriendEntity>> =
+        runCatching {
+            friendDataSource.getFriend()
+        }
+
+
+    override suspend fun deleteFriend(id: Int) {
+        friendDataSource.deleteFriend(id)
+
+    }
+
+    override suspend fun deleteAll() {
+        friendDataSource.deleteAll()
+
+    }
+}

app/src/main/java/com/sopt/now/data/repository/SharedPrefRepository.kt

@@ -0,0 +1,9 @@
+package com.sopt.now.data.repository
+
+interface SharedPrefRepository {
+    fun setUserId(key: String, value: Int)
+    fun getUserId(key: String): Int
+    fun getBoolean(key: String): Boolean
+    fun setBoolean(key: String, value: Boolean)
+    fun clearUserData()
+}

app/src/main/java/com/sopt/now/data/repository/SharedPrefRepositoryImpl.kt

@@ -0,0 +1,28 @@
+package com.sopt.now.data.repository
+
+import com.sopt.now.data.datasource.SharedPrefDataSource
+import javax.inject.Inject
+
+class SharedPrefRepositoryImpl @Inject constructor(
+    private val sharedPrefDataSource: SharedPrefDataSource
+) :SharedPrefRepository {
+    override fun setUserId(key: String, value: Int) {
+        sharedPrefDataSource.setUserId(key, value)
+    }
+
+    override fun getUserId(key: String): Int {
+        return sharedPrefDataSource.getUserId(key)
+    }
+
+    override fun getBoolean(key: String): Boolean {
+        return sharedPrefDataSource.getBoolean(key)
+    }
+
+    override fun setBoolean(key: String, value: Boolean) {
+        sharedPrefDataSource.setBoolean(key, value)
+    }
+
+    override fun clearUserData() {
+        sharedPrefDataSource.clearUserData()
+    }
+}

app/src/main/java/com/sopt/now/presentation/main/friends/FriendAdapter.kt

@@ -3,7 +3,7 @@ package com.sopt.now.presentation.main.friends
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.recyclerview.widget.ListAdapter
-import com.sopt.now.data.model.local.Friend
+import com.sopt.now.presentation.model.Friend
 import com.sopt.now.databinding.ItemFriendBinding
 import com.sopt.now.util.DiffUtilCallBack