[7주차/필수] Compose repository 패턴

app/src/main/java/com/sopt/now/compose/MainActivity.kt

@@ -11,6 +11,7 @@ import com.sopt.now.compose.screen.main.MainScreen
 import com.sopt.now.compose.ui.theme.NOWSOPTAndroidTheme
 import dagger.hilt.android.AndroidEntryPoint
 
+@AndroidEntryPoint
 class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)

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

@@ -0,0 +1,7 @@
+package com.sopt.now.compose.data.datasource
+
+interface SharedPrefDataSource {
+    fun setUserId(key: String, value: Int)
+    fun getUserId(key: String): Int
+    fun clearUserData()
+}

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

@@ -0,0 +1,22 @@
+package com.sopt.now.compose.data.datasourceImpl
+
+import android.content.SharedPreferences
+import com.sopt.now.compose.data.datasource.SharedPrefDataSource
+import javax.inject.Inject
+
+class SharedPrefDataSourceImpl @Inject constructor(
+    private val sharedPreferences: SharedPreferences
+) : SharedPrefDataSource{
+
+    override fun setUserId(key: String, value: Int) {
+        sharedPreferences.edit().putInt(key,value).apply()
+    }
+
+    override fun getUserId(key: String): Int {
+        return sharedPreferences.getInt(key, 0)
+    }
+
+    override fun clearUserData() {
+        sharedPreferences.edit().clear().apply()
+    }
+}

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

@@ -0,0 +1,17 @@
+package com.sopt.now.compose.data.di
+
+import com.sopt.now.compose.data.datasource.SharedPrefDataSource
+import com.sopt.now.compose.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 bindsSharedPrefDataSource(sharedPrefDataSource: SharedPrefDataSourceImpl): SharedPrefDataSource
+}

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

@@ -0,0 +1,19 @@
+package com.sopt.now.compose.data.di
+
+import com.sopt.now.compose.data.repository.SharedPrefRepository
+import com.sopt.now.compose.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 bindsSharedPrefRepository(
+        sharedPrefRepository: SharedPrefRepositoryImpl
+    ): SharedPrefRepository
+}

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

@@ -0,0 +1,20 @@
+package com.sopt.now.compose.data.di
+
+import android.content.Context
+import android.content.SharedPreferences
+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 SharedPrefModule {
+    @Provides
+    @Singleton
+    fun provideSharedPref(@ApplicationContext context: Context): SharedPreferences {
+        return context.getSharedPreferences("userData", Context.MODE_PRIVATE)
+    }
+}

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

@@ -0,0 +1,7 @@
+package com.sopt.now.compose.data.repository
+
+interface SharedPrefRepository {
+    fun setUserId(key: String, value: Int)
+    fun getUserId(key: String): Int
+    fun clearUserData()
+}

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

@@ -0,0 +1,20 @@
+package com.sopt.now.compose.data.repository
+
+import com.sopt.now.compose.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 clearUserData() {
+        sharedPrefDataSource.clearUserData()
+    }
+}

app/src/main/java/com/sopt/now/compose/screen/signin/SignInViewModel.kt

@@ -8,11 +8,17 @@ import com.sopt.now.compose.R
 import com.sopt.now.compose.data.model.RequestSignInDto
 import com.sopt.now.compose.data.model.ResponseSignInDto
 import com.sopt.now.compose.data.model.ServicePool
+import com.sopt.now.compose.data.repository.SharedPrefRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
 import retrofit2.Call
 import retrofit2.Callback
 import retrofit2.Response
+import javax.inject.Inject
 
-class SignInViewModel : ViewModel() {
+@HiltViewModel
+class SignInViewModel @Inject constructor(
+    private val sharedPreferences: SharedPrefRepository
+) : ViewModel() {
     private val _loginState: MutableLiveData<SignInState> = MutableLiveData(SignInState.Empty)
     val loginState: LiveData<SignInState> get() = _loginState