9주차 미션 / 안드로이드 1조 정일혁

.kotlin/errors/errors-1762482068299.log

@@ -0,0 +1,4 @@
+kotlin version: 2.0.21
+error message: The daemon has terminated unexpectedly on startup attempt #1 with error code: 0. The daemon process output:
+    1. Kotlin compile daemon is ready
+

.kotlin/errors/errors-1763117299345.log

@@ -0,0 +1,4 @@
+kotlin version: 2.0.21
+error message: The daemon has terminated unexpectedly on startup attempt #1 with error code: 0. The daemon process output:
+    1. Kotlin compile daemon is ready
+

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "java.configuration.updateBuildConfiguration": "automatic"
+}

app/build.gradle.kts

@@ -5,6 +5,8 @@ plugins {
     alias(libs.plugins.kotlin.android)
     alias(libs.plugins.kotlin.serialization)
     alias(libs.plugins.kotlin.compose.compiler)
+    alias(libs.plugins.hilt)
+    alias(libs.plugins.ksp)
 }
 
 android {
@@ -79,6 +81,9 @@ dependencies {
     // Coroutines
     implementation(libs.kotlinx.coroutines.android)
 
+    // DataStore Preferences
+    implementation(libs.androidx.datastore.preferences)
+
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)
@@ -90,4 +95,12 @@ dependencies {
     implementation(libs.retrofit.converter.kotlinx.serialization)
     implementation(libs.okhttp)
     implementation(libs.okhttp.logging.interceptor)
+
+    // hilt
+    implementation(libs.hilt.android)
+    implementation(libs.hilt.core)
+    implementation(libs.hilt.navigation.compose)
+    ksp(libs.hilt.android.compiler)
+    ksp(libs.hilt.compiler)
+    ksp(libs.hilt.manager)
 }

app/src/main/AndroidManifest.xml

@@ -14,6 +14,7 @@
         android:maxSdkVersion="32" />
 
     <application
+        android:name=".App"
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"

app/src/main/java/com/example/kuit6_android_api/App.kt

@@ -0,0 +1,22 @@
+package com.example.kuit6_android_api
+
+import android.app.Application
+import androidx.lifecycle.ViewModelProvider.NewInstanceFactory.Companion.instance
+import dagger.hilt.android.HiltAndroidApp
+
+
+@HiltAndroidApp
+class App: Application() {
+    //Application은 Context의 하위 클래스
+
+    override fun onCreate(){
+        super.onCreate()
+        instance = this
+        //Application Context 전달
+    }
+
+    companion object{
+        lateinit var instance: App
+            private set
+    }
+}

app/src/main/java/com/example/kuit6_android_api/MainActivity.kt

@@ -8,17 +8,23 @@ import android.widget.Toast
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.SnackbarHost
+import androidx.compose.material3.SnackbarHostState
 import androidx.compose.material3.Surface
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.core.content.ContextCompat
 import androidx.navigation.compose.rememberNavController
 import com.example.kuit6_android_api.ui.navigation.NavGraph
 import com.example.kuit6_android_api.ui.navigation.PostListRoute
 import com.example.kuit6_android_api.ui.theme.KUIT6_Android_APITheme
+import dagger.hilt.android.AndroidEntryPoint
 
-
+@AndroidEntryPoint
 class MainActivity : ComponentActivity() {
 
     // 권한 요청 런처
@@ -40,15 +46,23 @@ class MainActivity : ComponentActivity() {
 
         setContent {
             KUIT6_Android_APITheme {
-                Surface(
-                    modifier = Modifier.fillMaxSize(),
-                    color = MaterialTheme.colorScheme.background
+                val snackBarState = remember { SnackbarHostState() }
+                Scaffold(
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .background(
+                            MaterialTheme.colorScheme.background
+                        ),
+                    snackbarHost = {
+                        SnackbarHost(hostState = snackBarState)
+                    }
                 ) {
                     val navController = rememberNavController()
 
                     NavGraph(
                         navController = navController,
-                        startDestination = PostListRoute
+                        startDestination = PostListRoute,
+                        snackBarState = snackBarState
                     )
                 }
             }
@@ -71,6 +85,7 @@ class MainActivity : ComponentActivity() {
             ) == PackageManager.PERMISSION_GRANTED -> {
                 // 이미 권한이 있음
             }
+
             shouldShowRequestPermissionRationale(permission) -> {
                 // 권한 거부 이력이 있음 - 설명 표시 후 재요청
                 Toast.makeText(
@@ -80,6 +95,7 @@ class MainActivity : ComponentActivity() {
                 ).show()
                 requestPermissionLauncher.launch(permission)
             }
+
             else -> {
                 // 권한 요청
                 requestPermissionLauncher.launch(permission)

app/src/main/java/com/example/kuit6_android_api/data/api/ApiService.kt

@@ -1,7 +1,9 @@
 package com.example.kuit6_android_api.data.api
 
+import com.example.kuit6_android_api.data.model.request.LoginRequest
 import com.example.kuit6_android_api.data.model.request.PostCreateRequest
 import com.example.kuit6_android_api.data.model.response.BaseResponse
+import com.example.kuit6_android_api.data.model.response.LoginResponse
 import com.example.kuit6_android_api.data.model.response.PostResponse
 import okhttp3.MultipartBody
 import retrofit2.http.Body
@@ -51,4 +53,19 @@ interface ApiService {
     suspend fun uploadImage(
         @Part file: MultipartBody.Part
     ): BaseResponse<Map<String, String>>
+
+    @POST("/api/auth/signup")
+    suspend fun signup(
+        @Body request: LoginRequest
+    ): BaseResponse<LoginResponse>
+
+    @POST("/api/auth/login")
+    suspend fun login(
+        @Body request: LoginRequest
+    ): BaseResponse<LoginResponse>
+
+    // 토큰 인증 관련 엔드포인트 호출 함수(API 함수) 추가
+    @GET("/api/auth/validate")
+    suspend fun validateToken(): BaseResponse<Boolean>
+    // 서버로 요청이 나가기 전에 실행되는 authInterceptor가 헤더에 토큰을 포함하기 때문에 토큰을 전달하는 바디 불필요
 }

app/src/main/java/com/example/kuit6_android_api/data/api/AuthInterceptor.kt

@@ -0,0 +1,30 @@
+package com.example.kuit6_android_api.data.api
+
+import android.content.Context
+import com.example.kuit6_android_api.data.repository.TokenRepository
+import com.example.kuit6_android_api.data.repository.TokenRepositoryImpl
+import kotlinx.coroutines.runBlocking
+import okhttp3.Interceptor
+import okhttp3.Response
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class AuthInterceptor @Inject constructor(
+    private val tokenRepository: TokenRepository // Hilt가 TokenRepositoryImpl을 생성해서 주입
+) : Interceptor {
+    //발생한 요청을 가로채 수정
+
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val token = runBlocking {
+            //블록이 완료될 때까지 intercept를 호출한 스레드의 실행 멈춤
+            tokenRepository.getToken()
+        }
+
+        val request = chain.request().newBuilder()
+        if(!token.isNullOrEmpty()){
+            request.addHeader("Authorization", "Bearer $token")
+        }
+        return chain.proceed(request.build())
+    }
+}

app/src/main/java/com/example/kuit6_android_api/data/di/NetworkModule.kt

@@ -0,0 +1,63 @@
+package com.example.kuit6_android_api.data.di
+
+import com.example.kuit6_android_api.BuildConfig
+import com.example.kuit6_android_api.data.api.ApiService
+import com.example.kuit6_android_api.data.api.AuthInterceptor
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import kotlinx.serialization.json.Json
+import okhttp3.MediaType.Companion.toMediaType
+import okhttp3.OkHttpClient
+import okhttp3.logging.HttpLoggingInterceptor
+import retrofit2.Retrofit
+import retrofit2.converter.kotlinx.serialization.asConverterFactory
+import javax.inject.Singleton
+
+
+@Module
+@InstallIn(SingletonComponent::class)
+object NetworkModule {
+    @Provides
+    @Singleton
+    fun provideLoginInterceptor(): HttpLoggingInterceptor =
+        HttpLoggingInterceptor().apply {
+            level = HttpLoggingInterceptor.Level.BODY
+        }
+
+    @Provides
+    @Singleton
+    fun provideOkHttpClient(
+        authInterceptor: AuthInterceptor, // Hilt가 인터셉터를 자동으로 주입하므로써 인터셉터를 매번 생성할 필요가 없게 됨
+        loggingInterceptor: HttpLoggingInterceptor
+    ): okhttp3.OkHttpClient =
+        OkHttpClient.Builder()
+            .addInterceptor(authInterceptor)
+            .addInterceptor(loggingInterceptor)
+            .build()
+
+    @Provides
+    @Singleton
+    fun provideJson(): Json = Json {
+        ignoreUnknownKeys = true
+        coerceInputValues = true
+    }
+
+    @Provides
+    @Singleton
+    fun provideRetrofit(
+        okHttpClient: OkHttpClient,
+        json: Json
+    ): Retrofit =
+        Retrofit.Builder()
+            .baseUrl(BuildConfig.BASE_URL)
+            .client(okHttpClient)
+            .addConverterFactory(json.asConverterFactory("application/json".toMediaType()))
+            .build()
+
+    @Provides
+    @Singleton
+    fun provideApiService(retrofit: Retrofit) : ApiService =
+        retrofit.create(ApiService::class.java)
+}

app/src/main/java/com/example/kuit6_android_api/data/di/RepositoryModule.kt

@@ -0,0 +1,37 @@
+package com.example.kuit6_android_api.data.di
+
+import com.example.kuit6_android_api.data.repository.LoginRepository
+import com.example.kuit6_android_api.data.repository.LoginRepositoryImpl
+import com.example.kuit6_android_api.data.repository.PostRepository
+import com.example.kuit6_android_api.data.repository.PostRepositoryImpl
+import com.example.kuit6_android_api.data.repository.TokenApiRepository
+import com.example.kuit6_android_api.data.repository.TokenApiRepositoryImpl
+import com.example.kuit6_android_api.data.repository.TokenRepository
+import com.example.kuit6_android_api.data.repository.TokenRepositoryImpl
+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 {
+
+    @Binds
+    @Singleton
+    abstract fun bindLoginRepository(impl: LoginRepositoryImpl) : LoginRepository
+
+    @Binds
+    @Singleton
+    abstract fun bindTokenRepository(impl: TokenRepositoryImpl) : TokenRepository
+
+    @Binds
+    @Singleton
+    abstract fun bindPostRepository(impl: PostRepositoryImpl) : PostRepository
+
+    @Binds
+    @Singleton
+    abstract fun bindTokenApiRepository(impl: TokenApiRepositoryImpl) : TokenApiRepository
+
+}

app/src/main/java/com/example/kuit6_android_api/data/model/request/LoginRequest.kt

@@ -0,0 +1,9 @@
+package com.example.kuit6_android_api.data.model.request
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class LoginRequest(
+    val username:String,
+    val password:String
+)

app/src/main/java/com/example/kuit6_android_api/data/model/response/LoginResponse.kt

@@ -0,0 +1,10 @@
+package com.example.kuit6_android_api.data.model.response
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class LoginResponse(
+    val token:String,
+    val userId:Long,
+    val username:String
+)