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

app/src/main/java/com/radiola/domain/repository/AuthRepository.kt

@@ -0,0 +1,12 @@
+package com.radiola.domain.repository
+
+import com.radiola.domain.model.User
+import kotlinx.coroutines.flow.Flow
+
+interface AuthRepository {
+    suspend fun requestMagicLink(email: String): Result<Unit>
+    suspend fun verifyMagicLink(email: String, code: String): Result<User>
+    fun isLoggedIn(): Flow<Boolean>
+    fun currentUser(): Flow<User?>
+    suspend fun logout()
+}

app/src/main/java/com/radiola/domain/repository/FavoritesRepository.kt

@@ -5,7 +5,9 @@ import kotlinx.coroutines.flow.Flow
 
 interface FavoritesRepository {
     fun getFavorites(): Flow<List<Station>>
+    fun getFavoriteIds(): Flow<Set<Int>>
     suspend fun addFavorite(station: Station)
+    suspend fun addFavorite(stationId: Int)
     suspend fun removeFavorite(stationId: Int)
     fun isFavorite(stationId: Int): Flow<Boolean>
     suspend fun reorderFavorites(orderedIds: List<Int>)

app/src/main/java/com/radiola/domain/repository/NowPlayingRepository.kt

@@ -4,7 +4,7 @@ import com.radiola.domain.model.Track
 import kotlinx.coroutines.flow.Flow
 
 interface NowPlayingRepository {
-    fun getNowPlaying(stationPrefix: String): Flow<Track?>
-    fun getAllNowPlaying(): Flow<Map<String, Track>>
+    fun getNowPlaying(stationId: Int): Flow<Track?>
+    fun getAllNowPlaying(): Flow<Map<Int, Track>>
     suspend fun refreshNowPlaying(): Result<Unit>
 }

app/src/main/java/com/radiola/domain/repository/RecordingRepository.kt

@@ -0,0 +1,15 @@
+package com.radiola.domain.repository
+
+import com.radiola.domain.model.Recording
+import com.radiola.domain.model.Station
+import com.radiola.domain.model.Track
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.StateFlow
+
+interface RecordingRepository {
+    val isRecording: StateFlow<Boolean>
+    fun getRecordings(): Flow<List<Recording>>
+    suspend fun startRecording(station: Station, track: Track?)
+    suspend fun stopRecording()
+    suspend fun deleteRecording(id: Long)
+}

app/src/main/java/com/radiola/domain/repository/StationRepository.kt

@@ -7,4 +7,5 @@ interface StationRepository {
     fun getStations(): Flow<List<Station>>
     suspend fun refreshStations(): Result<Unit>
     fun getStationById(id: Int): Flow<Station?>
+    fun getTags(): Flow<List<String>>
 }

app/src/main/java/com/radiola/domain/repository/SyncRepository.kt

@@ -0,0 +1,11 @@
+package com.radiola.domain.repository
+
+import com.radiola.domain.model.Station
+
+interface SyncRepository {
+    suspend fun pushFavorite(stationId: Int): Result<Unit>
+    suspend fun removeFavorite(stationId: Int): Result<Unit>
+    suspend fun pushHistory(stationId: Int): Result<Unit>
+    suspend fun fetchRemoteFavorites(): Result<List<Int>>
+    suspend fun fetchRemoteHistory(): Result<List<Int>>
+}