[AN] feat: kakao login (#127)

android/app/build.gradle.kts

@@ -15,6 +15,8 @@ val localProperties = Properties()
 localProperties.load(FileInputStream(localPropertiesFile))
 
 val googleClientId = localProperties.getProperty("GOOGLE_CLIENT_ID") ?: ""
+val kakaoNativeAppKey = localProperties.getProperty("KAKAO_NATIVE_APP_KEY") ?: ""
+val kakaoOauthHost = localProperties.getProperty("KAKAO_OAUTH_HOST") ?: ""
 val naverClientId = localProperties.getProperty("NAVER_CLIEND_ID") ?: ""
 val baseUrl = localProperties.getProperty("base_url") ?: ""
 
@@ -32,6 +34,8 @@ android {
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
 
         buildConfigField("String", "GOOGLE_CLIENT_ID", googleClientId)
+        buildConfigField("String", "KAKAO_NATIVE_APP_KEY", kakaoNativeAppKey)
+        resValue("string", "KAKAO_OAUTH_HOST", kakaoOauthHost)
         buildConfigField("String", "NAVER_CLIEND_ID", naverClientId)
         buildConfigField("String", "base_url", baseUrl)
     }

android/app/src/main/AndroidManifest.xml

@@ -18,7 +18,6 @@
         android:theme="@style/Theme.Friendogly"
         android:usesCleartextTraffic="true"
         tools:targetApi="31">
-
         <activity
             android:name=".presentation.ui.profilesetting.ProfileSettingActivity"
             android:exported="false" />
@@ -39,6 +38,21 @@
             android:name="com.canhub.cropper.CropImageActivity"
             android:theme="@style/Theme.ImageCropper" />
 
+        <activity
+            android:name="com.kakao.sdk.auth.AuthCodeHandlerActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data
+                    android:host="oauth"
+                    android:scheme="@string/KAKAO_OAUTH_HOST" />
+            </intent-filter>
+        </activity>
+
     </application>
 
 </manifest>

android/app/src/main/java/com/woowacourse/friendogly/application/FriendoglyApplication.kt

@@ -1,17 +1,24 @@
 package com.woowacourse.friendogly.application
 
 import android.app.Application
+import com.kakao.sdk.common.KakaoSdk
 import com.naver.maps.map.NaverMapSdk
 import com.woowacourse.friendogly.BuildConfig
+import com.woowacourse.friendogly.kakao.di.KakaoModule
 
 class FriendoglyApplication : Application() {
     override fun onCreate() {
         super.onCreate()
         initNaverMapSdk()
+        KakaoSdk.init(this, BuildConfig.KAKAO_NATIVE_APP_KEY)
     }
 
     private fun initNaverMapSdk() {
         NaverMapSdk.getInstance(this).client =
             NaverMapSdk.NaverCloudPlatformClient(BuildConfig.NAVER_CLIEND_ID)
     }
+
+    companion object {
+        val kakaoModule: KakaoModule = KakaoModule()
+    }
 }

android/app/src/main/java/com/woowacourse/friendogly/data/datasource/KakaoLoginDataSource.kt

@@ -0,0 +1,18 @@
+package com.woowacourse.friendogly.data.datasource
+
+import android.content.Context
+import com.woowacourse.friendogly.data.model.KakaoAccessTokenDto
+
+interface KakaoLoginDataSource {
+    suspend fun login(context: Context): Result<KakaoAccessTokenDto>
+
+    companion object {
+        private var instance: KakaoLoginDataSource? = null
+
+        fun setInstance(dataSource: KakaoLoginDataSource) {
+            instance = dataSource
+        }
+
+        fun getInstance(): KakaoLoginDataSource = requireNotNull(instance)
+    }
+}

android/app/src/main/java/com/woowacourse/friendogly/data/mapper/KakaoAccessTokenMapper.kt

@@ -0,0 +1,11 @@
+package com.woowacourse.friendogly.data.mapper
+
+import com.woowacourse.friendogly.data.model.KakaoAccessTokenDto
+import com.woowacourse.friendogly.domain.model.KakaoAccessToken
+
+fun KakaoAccessTokenDto.toDomain(): KakaoAccessToken {
+    return KakaoAccessToken(
+        idToken = this.idToken,
+        accessToken = this.accessToken,
+    )
+}

android/app/src/main/java/com/woowacourse/friendogly/data/model/KakaoAccessTokenDto.kt

@@ -0,0 +1,6 @@
+package com.woowacourse.friendogly.data.model
+
+data class KakaoAccessTokenDto(
+    val accessToken: String,
+    val idToken: String,
+)

android/app/src/main/java/com/woowacourse/friendogly/data/repository/KakaoLoginRepositoryImpl.kt

@@ -0,0 +1,14 @@
+package com.woowacourse.friendogly.data.repository
+
+import android.content.Context
+import com.woowacourse.friendogly.data.datasource.KakaoLoginDataSource
+import com.woowacourse.friendogly.data.mapper.toDomain
+import com.woowacourse.friendogly.domain.model.KakaoAccessToken
+import com.woowacourse.friendogly.domain.repository.KakaoLoginRepository
+
+class KakaoLoginRepositoryImpl(
+    private val dataSource: KakaoLoginDataSource,
+) : KakaoLoginRepository {
+    override suspend fun login(context: Context): Result<KakaoAccessToken> =
+        dataSource.login(context = context).mapCatching { it.toDomain() }
+}

android/app/src/main/java/com/woowacourse/friendogly/domain/model/KakaoAccessToken.kt

@@ -0,0 +1,6 @@
+package com.woowacourse.friendogly.domain.model
+
+data class KakaoAccessToken(
+    val accessToken: String?,
+    val idToken: String?,
+)

android/app/src/main/java/com/woowacourse/friendogly/domain/repository/KakaoLoginRepository.kt

@@ -0,0 +1,18 @@
+package com.woowacourse.friendogly.domain.repository
+
+import android.content.Context
+import com.woowacourse.friendogly.domain.model.KakaoAccessToken
+
+interface KakaoLoginRepository {
+    suspend fun login(context: Context): Result<KakaoAccessToken>
+
+    companion object {
+        private var instance: KakaoLoginRepository? = null
+
+        fun setInstance(repository: KakaoLoginRepository) {
+            instance = repository
+        }
+
+        fun getInstance(): KakaoLoginRepository = requireNotNull(instance)
+    }
+}

android/app/src/main/java/com/woowacourse/friendogly/domain/usecase/KakaoLoginUseCase.kt

@@ -0,0 +1,11 @@
+package com.woowacourse.friendogly.domain.usecase
+
+import android.content.Context
+import com.woowacourse.friendogly.domain.model.KakaoAccessToken
+import com.woowacourse.friendogly.domain.repository.KakaoLoginRepository
+
+class KakaoLoginUseCase(
+    private val repository: KakaoLoginRepository,
+) {
+    suspend operator fun invoke(context: Context): Result<KakaoAccessToken> = repository.login(context = context)
+}

android/app/src/main/java/com/woowacourse/friendogly/kakao/datasource/KakaoLoginDataSourceImpl.kt

@@ -0,0 +1,46 @@
+package com.woowacourse.friendogly.kakao.datasource
+
+import android.content.Context
+import com.kakao.sdk.auth.model.OAuthToken
+import com.kakao.sdk.user.UserApiClient
+import com.woowacourse.friendogly.data.datasource.KakaoLoginDataSource
+import com.woowacourse.friendogly.data.model.KakaoAccessTokenDto
+import com.woowacourse.friendogly.kakao.mapper.toData
+import com.woowacourse.friendogly.kakao.model.KakaoAccessTokenResponse
+import kotlinx.coroutines.suspendCancellableCoroutine
+import kotlin.coroutines.resume
+import kotlin.coroutines.resumeWithException
+
+class KakaoLoginDataSourceImpl : KakaoLoginDataSource {
+    /**
+     * @param context: Activity context
+     */
+    override suspend fun login(context: Context): Result<KakaoAccessTokenDto> =
+        runCatching {
+            suspendCancellableCoroutine { continuation ->
+                val callback: (OAuthToken?, Throwable?) -> Unit = { token, throwable ->
+                    when {
+                        throwable != null -> continuation.resumeWithException(throwable)
+                        token != null && continuation.isActive -> {
+                            val idToken =
+                                token.idToken
+                                    ?: throw IllegalArgumentException("kakao login idToken이 없습니다.")
+                            val accessToken =
+                                KakaoAccessTokenResponse(
+                                    accessToken = token.accessToken,
+                                    idToken = idToken,
+                                )
+                            continuation.resume(accessToken.toData())
+                        }
+                    }
+                }
+
+                val userApiClient = UserApiClient.instance
+                if (userApiClient.isKakaoTalkLoginAvailable(context)) {
+                    userApiClient.loginWithKakaoTalk(context, callback = callback)
+                } else {
+                    userApiClient.loginWithKakaoAccount(context, callback = callback)
+                }
+            }
+        }
+}

android/app/src/main/java/com/woowacourse/friendogly/kakao/di/KakaoModule.kt

@@ -0,0 +1,16 @@
+package com.woowacourse.friendogly.kakao.di
+
+import com.woowacourse.friendogly.data.datasource.KakaoLoginDataSource
+import com.woowacourse.friendogly.data.repository.KakaoLoginRepositoryImpl
+import com.woowacourse.friendogly.domain.repository.KakaoLoginRepository
+import com.woowacourse.friendogly.domain.usecase.KakaoLoginUseCase
+import com.woowacourse.friendogly.kakao.datasource.KakaoLoginDataSourceImpl
+
+class KakaoModule {
+    private val kakaoLoginDataSource: KakaoLoginDataSource = KakaoLoginDataSourceImpl()
+
+    private val kakaoLoginRepository: KakaoLoginRepository =
+        KakaoLoginRepositoryImpl(dataSource = kakaoLoginDataSource)
+
+    val kakaoLoginUseCase: KakaoLoginUseCase = KakaoLoginUseCase(repository = kakaoLoginRepository)
+}

android/app/src/main/java/com/woowacourse/friendogly/kakao/mapper/KakaoTokenDtoMapper.kt

@@ -0,0 +1,11 @@
+package com.woowacourse.friendogly.kakao.mapper
+
+import com.woowacourse.friendogly.data.model.KakaoAccessTokenDto
+import com.woowacourse.friendogly.kakao.model.KakaoAccessTokenResponse
+
+fun KakaoAccessTokenResponse.toData(): KakaoAccessTokenDto {
+    return KakaoAccessTokenDto(
+        accessToken = this.accessToken,
+        idToken = this.idToken,
+    )
+}

android/app/src/main/java/com/woowacourse/friendogly/kakao/model/KakaoAccessTokenResponse.kt

@@ -0,0 +1,6 @@
+package com.woowacourse.friendogly.kakao.model
+
+data class KakaoAccessTokenResponse(
+    val accessToken: String,
+    val idToken: String,
+)

android/app/src/main/java/com/woowacourse/friendogly/presentation/ui/register/RegisterActivity.kt

@@ -3,14 +3,16 @@ package com.woowacourse.friendogly.presentation.ui.register
 import androidx.activity.viewModels
 import com.google.android.gms.common.api.ApiException
 import com.woowacourse.friendogly.R
+import com.woowacourse.friendogly.application.FriendoglyApplication.Companion.kakaoModule
 import com.woowacourse.friendogly.databinding.ActivityRegisterBinding
 import com.woowacourse.friendogly.presentation.base.BaseActivity
 import com.woowacourse.friendogly.presentation.base.observeEvent
-import com.woowacourse.friendogly.presentation.ui.MainActivity
 import com.woowacourse.friendogly.presentation.ui.profilesetting.ProfileSettingActivity
 
 class RegisterActivity : BaseActivity<ActivityRegisterBinding>(R.layout.activity_register) {
-    private val viewModel: RegisterViewModel by viewModels()
+    private val viewModel: RegisterViewModel by viewModels {
+        RegisterViewModel.factory(kakaoLoginUseCase = kakaoModule.kakaoLoginUseCase)
+    }
 
     private val googleSignInLauncher =
         registerForActivityResult(GoogleSignInContract()) { task ->
@@ -32,16 +34,15 @@ class RegisterActivity : BaseActivity<ActivityRegisterBinding>(R.layout.activity
     private fun initObserve() {
         viewModel.navigateAction.observeEvent(this) { action ->
             when (action) {
-                is RegisterNavigationAction.NavigateToKakaoLogin -> {
-                    startActivity(MainActivity.getIntent(this))
-                    finish()
-                }
-
                 is RegisterNavigationAction.NavigateToGoogleLogin ->
-                    googleSignInLauncher.launch(SIGN_IN_REQUEST_CODE)
+                    googleSignInLauncher.launch(
+                        SIGN_IN_REQUEST_CODE,
+                    )
 
                 is RegisterNavigationAction.NavigateToProfileSetting ->
-                    startActivity(ProfileSettingActivity.getIntent(this))
+                    startActivity(
+                        ProfileSettingActivity.getIntent(this),
+                    )
             }
         }
     }

android/app/src/main/java/com/woowacourse/friendogly/presentation/ui/register/RegisterNavigationAction.kt

@@ -1,8 +1,6 @@
 package com.woowacourse.friendogly.presentation.ui.register
 
 sealed interface RegisterNavigationAction {
-    data object NavigateToKakaoLogin : RegisterNavigationAction
-
     data object NavigateToGoogleLogin : RegisterNavigationAction
 
     data class NavigateToProfileSetting(val idToken: String) : RegisterNavigationAction

android/app/src/main/java/com/woowacourse/friendogly/presentation/ui/register/RegisterViewModel.kt

@@ -1,18 +1,30 @@
 package com.woowacourse.friendogly.presentation.ui.register
 
+import android.content.Context
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.viewModelScope
+import com.woowacourse.friendogly.domain.usecase.KakaoLoginUseCase
 import com.woowacourse.friendogly.presentation.base.BaseViewModel
+import com.woowacourse.friendogly.presentation.base.BaseViewModelFactory
 import com.woowacourse.friendogly.presentation.base.Event
 import com.woowacourse.friendogly.presentation.base.emit
+import kotlinx.coroutines.launch
 
-class RegisterViewModel : BaseViewModel() {
+class RegisterViewModel(
+    private val kakaoLoginUseCase: KakaoLoginUseCase,
+) : BaseViewModel() {
     private val _navigateAction: MutableLiveData<Event<RegisterNavigationAction>> =
         MutableLiveData(null)
     val navigateAction: LiveData<Event<RegisterNavigationAction>> get() = _navigateAction
 
-    fun executeKakaoLogin() {
-        _navigateAction.emit(RegisterNavigationAction.NavigateToKakaoLogin)
+    fun executeKakaoLogin(context: Context) {
+        viewModelScope.launch {
+            kakaoLoginUseCase(context = context).onSuccess {
+                _navigateAction.emit(RegisterNavigationAction.NavigateToGoogleLogin)
+            }.onFailure { }
+        }
     }
 
     fun executeGoogleLogin() {
@@ -22,4 +34,12 @@ class RegisterViewModel : BaseViewModel() {
     fun handleGoogleLogin(idToken: String) {
         _navigateAction.emit(RegisterNavigationAction.NavigateToProfileSetting(idToken = idToken))
     }
+
+    companion object {
+        fun factory(kakaoLoginUseCase: KakaoLoginUseCase): ViewModelProvider.Factory {
+            return BaseViewModelFactory { _ ->
+                RegisterViewModel(kakaoLoginUseCase = kakaoLoginUseCase)
+            }
+        }
+    }
 }

android/app/src/main/res/layout/activity_register.xml

@@ -5,6 +5,8 @@
 
     <data>
 
+        <import type="android.view.View" />
+
         <variable
             name="vm"
             type="com.woowacourse.friendogly.presentation.ui.register.RegisterViewModel" />
@@ -40,7 +42,7 @@
 
         <ImageButton
             android:id="@+id/ib_kakao_register"
-            onSingleClick="@{() -> vm.executeKakaoLogin()}"
+            onSingleClick="@{(view) -> vm.executeKakaoLogin(view.context)}"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginStart="16dp"