feat: 이미 등록된 FCM 토큰인 경우 갱신 호출 방지

core/data/user/src/main/java/com/goalpanzi/mission_mate/core/data/user/repository/UserRepositoryImpl.kt

@@ -57,4 +57,8 @@ class UserRepositoryImpl @Inject constructor(
 
     override fun getMemberId(): Flow<Long?> = defaultDataSource.getMemberId()
 
+    override fun setCachedFcmToken(data: String): Flow<Unit> = defaultDataSource.setFcmToken(data)
+
+    override fun getCachedFcmToken(): Flow<String?> = defaultDataSource.getFcmToken()
+
 }

core/datastore/src/main/java/com/goalpanzi/mission_mate/core/datastore/datasource/DefaultDataSource.kt

@@ -11,4 +11,6 @@ interface DefaultDataSource {
     fun setViewedTooltip() : Flow<Unit>
     fun setMemberId(data: Long) : Flow<Unit>
     fun getMemberId() : Flow<Long?>
-}
+    fun setFcmToken(data: String) : Flow<Unit>
+    fun getFcmToken() : Flow<String?>
+}

core/datastore/src/main/java/com/goalpanzi/mission_mate/core/datastore/datasource/DefaultDataSourceImpl.kt

@@ -21,6 +21,7 @@ class DefaultDataSourceImpl @Inject constructor(
         val USER_CHARACTER = stringPreferencesKey("USER_CHARACTER")
         val VIEWED_TOOLTIP = booleanPreferencesKey("VIEWED_TOOLTIP")
         val MEMBER_ID = longPreferencesKey("MEMBER_ID")
+        val FCM_TOKEN = stringPreferencesKey("FCM_TOKEN")
     }
 
     override fun clearUserData(): Flow<Unit> = flow {
@@ -73,4 +74,15 @@ class DefaultDataSourceImpl @Inject constructor(
     override fun getMemberId(): Flow<Long?> = dataStore.data.map { preferences ->
         preferences[PreferencesKey.MEMBER_ID]
     }
-}
+
+    override fun setFcmToken(data: String): Flow<Unit> = flow {
+        dataStore.edit { preferences ->
+            preferences[PreferencesKey.FCM_TOKEN] = data
+        }
+        emit(Unit)
+    }
+
+    override fun getFcmToken(): Flow<String?> = dataStore.data.map { preferences ->
+        preferences[PreferencesKey.FCM_TOKEN]
+    }
+}

core/domain/auth/src/main/java/com/goalpanzi/mission_mate/core/domain/auth/usecase/LoginUseCase.kt

@@ -6,6 +6,7 @@ import com.goalpanzi.mission_mate.core.domain.common.DomainResult
 import com.goalpanzi.mission_mate.core.domain.common.model.user.UserProfile
 import com.goalpanzi.mission_mate.core.domain.user.repository.UserRepository
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.runBlocking
 import javax.inject.Inject
@@ -15,6 +16,7 @@ class LoginUseCase @Inject constructor(
     private val userRepository: UserRepository
 ) {
     suspend fun requestGoogleLogin(email: String): GoogleLogin? {
+        userRepository.clearUserData().collect()
         return when (val response = authRepository.requestGoogleLogin(email)) {
             is DomainResult.Success -> {
                 response.data.also {

core/domain/user/src/main/java/com/goalpanzi/mission_mate/core/domain/user/repository/UserRepository.kt

@@ -14,4 +14,6 @@ interface UserRepository {
     fun getUserProfile() : Flow<UserProfile?>
     fun setMemberId(data: Long) : Flow<Unit>
     fun getMemberId() : Flow<Long?>
+    fun setCachedFcmToken(data: String) : Flow<Unit>
+    fun getCachedFcmToken() : Flow<String?>
 }

core/domain/user/src/main/java/com/goalpanzi/mission_mate/core/domain/user/usecase/UpdateFcmTokenUseCase.kt

@@ -1,10 +1,18 @@
 package com.goalpanzi.mission_mate.core.domain.user.usecase
 
 import com.goalpanzi.mission_mate.core.domain.user.repository.UserRepository
+import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.flow.firstOrNull
 import javax.inject.Inject
 
 class UpdateFcmTokenUseCase @Inject constructor(
     private val userRepository: UserRepository
 ) {
-    suspend operator fun invoke(fcmToken: String) = userRepository.updateFcmToken(fcmToken)
+    suspend operator fun invoke(fcmToken: String) {
+        val cachedFcmToken = userRepository.getCachedFcmToken().firstOrNull()
+        if(fcmToken != cachedFcmToken){
+            userRepository.setCachedFcmToken(fcmToken).collect()
+            userRepository.updateFcmToken(fcmToken)
+        }
+    }
 }

feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/screen/OnboardingViewModel.kt

@@ -23,10 +23,8 @@ import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asSharedFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.catch
-import kotlinx.coroutines.flow.timeout
 import kotlinx.coroutines.launch
 import javax.inject.Inject
-import kotlin.time.Duration.Companion.seconds
 
 @HiltViewModel
 class OnboardingViewModel @Inject constructor(
@@ -57,11 +55,9 @@ class OnboardingViewModel @Inject constructor(
         }
     }
 
-    @OptIn(FlowPreview::class)
     fun updateTokenAndGetJoinedMissions() {
         viewModelScope.launch {
             getFcmTokenUseCase()
-                .timeout(3.seconds)
                 .catch {
                     getJoinedMissions()
                 }.collect { token ->