feat: auth screen with auto-redirect, sync favorites/history with backend

app/src/main/java/com/radiola/ui/stations/StationsViewModel.kt

@@ -3,8 +3,11 @@ package com.radiola.ui.stations
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.radiola.domain.model.Station
+import com.radiola.domain.repository.FavoritesRepository
+import com.radiola.domain.repository.StationRepository
 import com.radiola.domain.usecase.GetStationsUseCase
 import com.radiola.domain.usecase.PlayStationUseCase
+import com.radiola.domain.usecase.RefreshStationsUseCase
 import com.radiola.domain.usecase.ToggleFavoriteUseCase
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.*
@@ -14,8 +17,11 @@ import javax.inject.Inject
 @HiltViewModel
 class StationsViewModel @Inject constructor(
     private val getStationsUseCase: GetStationsUseCase,
+    private val refreshStationsUseCase: RefreshStationsUseCase,
     private val playStationUseCase: PlayStationUseCase,
-    private val toggleFavoriteUseCase: ToggleFavoriteUseCase
+    private val toggleFavoriteUseCase: ToggleFavoriteUseCase,
+    private val favoritesRepository: FavoritesRepository,
+    private val stationRepository: StationRepository
 ) : ViewModel() {
 
     private val _searchQuery = MutableStateFlow("")
@@ -37,7 +43,9 @@ class StationsViewModel @Inject constructor(
     ) { allStations, query, tag ->
         allStations
             .filter { station ->
-                tag == null || station.tags.contains(tag) || station.genre.equals(tag, ignoreCase = true)
+                tag == null ||
+                station.genre.equals(tag, ignoreCase = true) ||
+                station.tags.any { it.equals(tag, ignoreCase = true) }
             }
             .filter { station ->
                 query.isBlank() ||
@@ -46,10 +54,22 @@ class StationsViewModel @Inject constructor(
             }
     }.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), emptyList())
 
-    val tags: StateFlow<List<String>> = getStationsUseCase()
-        .map { stations -> stations.flatMap { it.tags }.distinct().sorted() }
+    val tags: StateFlow<List<String>> = stationRepository.getTags()
         .stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), emptyList())
 
+    val favoriteIds: StateFlow<Set<Int>> = favoritesRepository.getFavorites()
+        .map { list -> list.map { it.id }.toSet() }
+        .stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), emptySet())
+
+    init {
+        viewModelScope.launch {
+            _isLoading.value = true
+            refreshStationsUseCase()
+                .onFailure { _error.value = it.localizedMessage ?: "Ошибка загрузки" }
+            _isLoading.value = false
+        }
+    }
+
     fun onSearchQueryChange(query: String) {
         _searchQuery.value = query
     }