[FIX] 로그인 시 카카오 앱으로 리다이렉트 안되는 현상 수정

Near/app/src/main/java/com/alarmy/near/data/repository/AuthRepository.kt

@@ -5,12 +5,7 @@ import kotlinx.coroutines.flow.Flow
 
 interface AuthRepository {
     // 소셜 로그인 수행
-    suspend fun performSocialLogin(providerType: ProviderType): Result<Unit>
-
-    /**
-     * 소셜 로그인 수행 (토큰 직접 전달)
-     */
-    suspend fun socialLogin(
+    suspend fun performSocialLogin(
         accessToken: String,
         providerType: ProviderType,
     ): Result<Unit>

Near/app/src/main/java/com/alarmy/near/data/repository/AuthRepositoryImpl.kt

@@ -1,6 +1,5 @@
 package com.alarmy.near.data.repository
 
-import com.alarmy.near.data.datasource.SocialLoginProcessor
 import com.alarmy.near.model.ProviderType
 import com.alarmy.near.network.auth.TokenManager
 import com.alarmy.near.network.request.SocialLoginRequest
@@ -13,40 +12,15 @@ class AuthRepositoryImpl
     @Inject
     constructor(
         private val authService: AuthService,
-        private val socialLoginProcessor: SocialLoginProcessor,
         private val tokenManager: TokenManager,
     ) : AuthRepository {
-        override suspend fun performSocialLogin(providerType: ProviderType): Result<Unit> =
-            try {
-                val result = socialLoginProcessor.processLogin(providerType)
-
-                if (result.isSuccess) {
-                    val accessToken = result.getOrThrow()
-                    socialLogin(accessToken, providerType)
-                } else {
-                    Result.failure(
-                        createLoginException(
-                            providerType = providerType,
-                            errorMessage = result.exceptionOrNull()?.message,
-                            defaultMessage = "로그인에 실패했습니다",
-                        ),
-                    )
-                }
-            } catch (exception: Exception) {
-                Result.failure(
-                    createLoginException(
-                        providerType = providerType,
-                        errorMessage = exception.message,
-                        defaultMessage = "로그인 중 오류가 발생했습니다",
-                    ),
-                )
-            }
-
-        override suspend fun socialLogin(
+        override suspend fun performSocialLogin(
             accessToken: String,
             providerType: ProviderType,
         ): Result<Unit> =
             try {
+                validateAccessToken(accessToken)
+
                 val request =
                     SocialLoginRequest(
                         accessToken = accessToken,
@@ -72,6 +46,15 @@ class AuthRepositoryImpl
                 Result.failure(Exception(errorMessage))
             }
 
+        private fun validateAccessToken(accessToken: String) {
+            require(accessToken.isNotBlank()) {
+                "액세스 토큰이 비어있습니다"
+            }
+            require(accessToken.length >= MIN_TOKEN_LENGTH) {
+                "액세스 토큰 형식이 올바르지 않습니다"
+            }
+        }
+
         override suspend fun logout() {
             tokenManager.clearAllTokens()
         }
@@ -94,15 +77,6 @@ class AuthRepositoryImpl
 
         override suspend fun refreshToken(): Boolean = tokenManager.refreshToken()
 
-        private fun createLoginException(
-            providerType: ProviderType,
-            errorMessage: String?,
-            defaultMessage: String,
-        ): Exception {
-            val finalMessage = errorMessage ?: "$providerType $defaultMessage"
-            return Exception(finalMessage)
-        }
-
         // TODO 추후 에러 메시지 변경
         private fun getHttpErrorMessage(httpCode: Int): String =
             when (httpCode) {
@@ -112,4 +86,8 @@ class AuthRepositoryImpl
                 500 -> "서버에 문제가 발생했습니다"
                 else -> "로그인 중 오류가 발생했습니다"
             }
+
+        companion object {
+            private const val MIN_TOKEN_LENGTH = 10
+        }
     }

Near/app/src/main/java/com/alarmy/near/model/ProviderType.kt

@@ -2,5 +2,4 @@ package com.alarmy.near.model
 
 enum class ProviderType {
     KAKAO,
-    ETC,
 }

Near/app/src/main/java/com/alarmy/near/presentation/feature/login/LoginScreen.kt

@@ -18,11 +18,12 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.lifecycle.Lifecycle
@@ -31,8 +32,10 @@ import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.repeatOnLifecycle
 import com.alarmy.near.R
 import com.alarmy.near.model.ProviderType
+import com.alarmy.near.presentation.feature.login.auth.SocialLoginHandler
 import com.alarmy.near.presentation.feature.login.model.TermType
 import com.alarmy.near.presentation.ui.theme.NearTheme
+import kotlinx.coroutines.launch
 
 @Composable
 internal fun LoginRoute(
@@ -42,9 +45,13 @@ internal fun LoginRoute(
     viewModel: LoginViewModel = hiltViewModel(),
 ) {
     val uiState by viewModel.uiState.collectAsStateWithLifecycle()
-    val showPrivacyBottomSheet by viewModel.showPrivacyBottomSheet.collectAsStateWithLifecycle()
+    val requiresPrivacyConsent by viewModel.requiresPrivacyConsent.collectAsStateWithLifecycle()
     val termsAgreementState by viewModel.termsAgreementState.collectAsStateWithLifecycle()
     val lifecycleOwner = LocalLifecycleOwner.current
+    val context = LocalContext.current
+    val scope = rememberCoroutineScope()
+
+    val socialLoginHandler = remember { SocialLoginHandler(context) }
 
     // 약관 제목을 미리 가져옴
     val termsTitles =
@@ -83,13 +90,23 @@ internal fun LoginRoute(
     LoginScreen(
         uiState = uiState,
         onLoginClick = { providerType ->
-            viewModel.performLogin(providerType)
+            scope.launch {
+                socialLoginHandler.performSocialLogin(
+                    providerType = providerType,
+                    onSuccess = { accessToken ->
+                        viewModel.onSocialLoginSuccess(accessToken, providerType)
+                    },
+                    onFailure = { exception ->
+                        viewModel.onSocialLoginFailure(exception)
+                    },
+                )
+            }
         },
     )
 
     // 개인정보 동의 바텀시트
     PrivacyConsentBottomSheet(
-        isVisible = showPrivacyBottomSheet,
+        isVisible = requiresPrivacyConsent,
         termsAgreementState = termsAgreementState,
         onDismiss = {
             viewModel.dismissPrivacyBottomSheet()
@@ -211,14 +228,3 @@ private object LoginScreenConstants {
     const val DESCRIPTION_SPACING = 12
     const val BOTTOM_SPACING = 96
 }
-
-@Preview(showBackground = true)
-@Composable
-fun LoginScreenPreview() {
-    NearTheme {
-        LoginScreen(
-            uiState = LoginUiState(),
-            onLoginClick = { },
-        )
-    }
-}