[FEAT] 로그인 성공 후 개인정보 동의

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

@@ -25,21 +25,53 @@ 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
+import androidx.lifecycle.compose.LocalLifecycleOwner
 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.model.TermType
 import com.alarmy.near.presentation.ui.theme.NearTheme
 
 @Composable
 internal fun LoginRoute(
     onNavigateToHome: () -> Unit,
+    onNavigateToWebView: (title: String, url: String) -> Unit,
     viewModel: LoginViewModel = hiltViewModel(),
 ) {
     val uiState by viewModel.uiState.collectAsStateWithLifecycle()
+    val showPrivacyBottomSheet by viewModel.showPrivacyBottomSheet.collectAsStateWithLifecycle()
+    val lifecycleOwner = LocalLifecycleOwner.current
+
+    // 약관 제목을 미리 가져옴
+    val termsTitles = mapOf(
+        TermType.SERVICE_TERMS to stringResource(TermType.SERVICE_TERMS.titleRes),
+        TermType.PRIVACY_COLLECTION to stringResource(TermType.PRIVACY_COLLECTION.titleRes),
+        TermType.PRIVACY_POLICY to stringResource(TermType.PRIVACY_POLICY.titleRes),
+    )
+
+    // 웹뷰에서 돌아올 때 바텀시트 복원
+    LaunchedEffect(lifecycleOwner) {
+        lifecycleOwner.repeatOnLifecycle(Lifecycle.State.RESUMED) {
+            viewModel.restoreBottomSheetIfNeeded()
+        }
+    }
 
     LaunchedEffect(Unit) {
-        viewModel.loginSuccessEvent.collect {
-            onNavigateToHome()
+        viewModel.event.collect { event ->
+            when (event) {
+                is LoginEvent.NavigateToHome -> {
+                    onNavigateToHome()
+                }
+
+                is LoginEvent.ShowTermsDetail -> {
+                    val title = termsTitles[event.termType] ?: ""
+                    onNavigateToWebView(title, event.termType.url)
+                }
+
+                is LoginEvent.ShowError -> TODO()
+            }
         }
     }
 
@@ -49,6 +81,18 @@ internal fun LoginRoute(
             viewModel.performLogin(providerType)
         },
     )
+
+    // 개인정보 동의 바텀시트
+    PrivacyConsentBottomSheet(
+        isVisible = showPrivacyBottomSheet,
+        onDismiss = {
+            viewModel.dismissPrivacyBottomSheet()
+        },
+        onConsentComplete = {
+            viewModel.onPrivacyConsentComplete()
+        },
+        viewModel = viewModel,
+    )
 }
 
 @Composable

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

@@ -4,12 +4,17 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.alarmy.near.data.repository.AuthRepository
 import com.alarmy.near.model.ProviderType
+import com.alarmy.near.presentation.feature.login.model.TermType
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.receiveAsFlow
+import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.launch
 import javax.inject.Inject
 
@@ -23,45 +28,193 @@ class LoginViewModel
         private val _uiState = MutableStateFlow(LoginUiState())
         val uiState: StateFlow<LoginUiState> = _uiState.asStateFlow()
 
-        // 에러 이벤트 관리
-        private val _errorEvent = Channel<Throwable?>()
-        val errorEvent = _errorEvent.receiveAsFlow()
+        // 이벤트 관리
+        private val _event = Channel<LoginEvent>()
+        val event = _event.receiveAsFlow()
 
-        // 로그인 성공 이벤트 관리
-        private val _loginSuccessEvent = Channel<Unit>()
-        val loginSuccessEvent = _loginSuccessEvent.receiveAsFlow()
+        // 로그인 화면 상태 관리
+        private val _loginState = MutableStateFlow(LoginState())
+        val loginState: StateFlow<LoginState> = _loginState.asStateFlow()
+
+        // 개별 상태들을 편의를 위해 노출
+        val termsAgreementState: StateFlow<TermsAgreementState> =
+            _loginState
+                .map { it.termsAgreementState }
+                .stateIn(
+                    viewModelScope,
+                    SharingStarted.WhileSubscribed(),
+                    TermsAgreementState(),
+                )
+        val showPrivacyBottomSheet: StateFlow<Boolean> =
+            _loginState
+                .map { it.showPrivacyBottomSheet }
+                .stateIn(
+                    viewModelScope,
+                    SharingStarted.WhileSubscribed(),
+                    false,
+                )
 
         /**
          * 소셜 로그인 수행
          */
         fun performLogin(providerType: ProviderType) {
             viewModelScope.launch {
                 updateLoadingState(isLoading = true)
-
-                authRepository.performSocialLogin(providerType)
+                authRepository
+                    .performSocialLogin(providerType)
                     .onSuccess {
                         updateLoadingState(isLoading = false)
-                        _loginSuccessEvent.send(Unit)
-                    }
-                    .onFailure { exception ->
+                        _loginState.value = _loginState.value.copy(showPrivacyBottomSheet = true)
+                    }.onFailure { exception ->
                         updateLoadingState(isLoading = false)
-                        _errorEvent.send(exception)
+                        _event.send(LoginEvent.ShowError(exception))
                     }
             }
         }
 
+        /**
+         * 개인정보 동의 완료 처리
+         */
+        fun onPrivacyConsentComplete() {
+            viewModelScope.launch {
+                _loginState.value = _loginState.value.copy(showPrivacyBottomSheet = false)
+                _event.send(LoginEvent.NavigateToHome)
+            }
+        }
+
+        /**
+         * 프라이버시 바텀시트 닫기
+         */
+        fun dismissPrivacyBottomSheet() {
+            _loginState.value = _loginState.value.copy(showPrivacyBottomSheet = false)
+        }
+
         /**
          * 로딩 상태 업데이트
          */
         private fun updateLoadingState(isLoading: Boolean) {
             _uiState.value = _uiState.value.copy(isLoading = isLoading)
         }
+
+        /**
+         * 약관 전체 동의 토글
+         */
+        fun toggleAllTermsAgreement() {
+            val currentTermsState = _loginState.value.termsAgreementState
+            val newAgreedState = !currentTermsState.isAllAgreed
+
+            val updatedTermsState =
+                currentTermsState.copy(
+                    isAllAgreed = newAgreedState,
+                    isServiceTermsAgreed = newAgreedState,
+                    isPrivacyCollectionAgreed = newAgreedState,
+                    isPrivacyPolicyAgreed = newAgreedState,
+                )
+
+            _loginState.value = _loginState.value.copy(termsAgreementState = updatedTermsState)
+        }
+
+        /**
+         * 개별 약관 동의 토글
+         */
+        fun toggleIndividualTermsAgreement(termType: TermType) {
+            val currentTermsState = _loginState.value.termsAgreementState
+            val newTermsState =
+                when (termType) {
+                    TermType.SERVICE_TERMS -> currentTermsState.copy(isServiceTermsAgreed = !currentTermsState.isServiceTermsAgreed)
+                    TermType.PRIVACY_COLLECTION ->
+                        currentTermsState.copy(
+                            isPrivacyCollectionAgreed = !currentTermsState.isPrivacyCollectionAgreed,
+                        )
+
+                    TermType.PRIVACY_POLICY -> currentTermsState.copy(isPrivacyPolicyAgreed = !currentTermsState.isPrivacyPolicyAgreed)
+                }
+
+            // 모든 개별 약관이 동의되었는지 확인하여 전체 동의 상태 업데이트
+            val isAllIndividualAgreed =
+                newTermsState.isServiceTermsAgreed &&
+                    newTermsState.isPrivacyCollectionAgreed &&
+                    newTermsState.isPrivacyPolicyAgreed
+
+            val updatedTermsState = newTermsState.copy(isAllAgreed = isAllIndividualAgreed)
+            _loginState.value = _loginState.value.copy(termsAgreementState = updatedTermsState)
+        }
+
+        /**
+         * 약관 상세 보기 (웹뷰로 이동)
+         */
+        fun showTermsDetail(termType: TermType) {
+            viewModelScope.launch {
+                _loginState.value =
+                    _loginState.value.copy(
+                        showPrivacyBottomSheet = false,
+                        hasNavigatedToWebView = true,
+                    )
+                delay(500)
+                _event.send(LoginEvent.ShowTermsDetail(termType))
+            }
+        }
+
+        /**
+         * 웹뷰에서 돌아온 후 바텀시트 복원
+         */
+        fun restoreBottomSheetIfNeeded() {
+            val currentState = _loginState.value
+            if (currentState.hasNavigatedToWebView && !currentState.showPrivacyBottomSheet) {
+                _loginState.value =
+                    currentState.copy(
+                        showPrivacyBottomSheet = true,
+                        hasNavigatedToWebView = false,
+                    )
+            }
+        }
     }
 
+/**
+ * 로그인 화면 통합 상태
+ */
+data class LoginState(
+    val termsAgreementState: TermsAgreementState = TermsAgreementState(),
+    val hasNavigatedToWebView: Boolean = false,
+    val showPrivacyBottomSheet: Boolean = false,
+)
+
 /**
  * 로그인 화면 UI 상태
  */
 data class LoginUiState(
     val isLoading: Boolean = false,
     val hasError: Boolean = false,
 )
+
+/**
+ * 약관 동의 상태
+ */
+data class TermsAgreementState(
+    val isAllAgreed: Boolean = false,
+    val isServiceTermsAgreed: Boolean = false,
+    val isPrivacyCollectionAgreed: Boolean = false,
+    val isPrivacyPolicyAgreed: Boolean = false,
+) {
+    /**
+     * 모든 필수 약관에 동의했는지 확인
+     */
+    val isAllRequiredTermsAgreed: Boolean
+        get() = isServiceTermsAgreed && isPrivacyCollectionAgreed && isPrivacyPolicyAgreed
+}
+
+/*
+* 로그인 화면 이벤트 관리
+*
+* */
+sealed class LoginEvent {
+    object NavigateToHome : LoginEvent()
+
+    data class ShowTermsDetail(
+        val termType: TermType,
+    ) : LoginEvent()
+
+    data class ShowError(
+        val throwable: Throwable?,
+    ) : LoginEvent()
+}