choose the stream bitrate and format from settings

app/src/main/kotlin/com/subtracks/ui/settings/SettingsViewModel.kt

@@ -3,6 +3,7 @@ package com.subtracks.ui.settings
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.subtracks.data.model.Source
+import com.subtracks.data.prefs.UserPreferences
 import com.subtracks.data.repo.SourceRepository
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
@@ -11,6 +12,7 @@ import kotlinx.coroutines.launch
 
 class SettingsViewModel(
     private val sourceRepository: SourceRepository,
+    private val userPreferences: UserPreferences,
 ) : ViewModel() {
     val sources: StateFlow<List<Source>> =
         sourceRepository.sources().stateIn(viewModelScope, SharingStarted.WhileSubscribed(5_000), emptyList())
@@ -18,6 +20,14 @@ class SettingsViewModel(
     val activeSourceId: StateFlow<Long?> =
         sourceRepository.activeSourceId().stateIn(viewModelScope, SharingStarted.WhileSubscribed(5_000), null)
 
+    val maxBitrate: StateFlow<Int> =
+        userPreferences.maxBitrate
+            .stateIn(viewModelScope, SharingStarted.WhileSubscribed(5_000), 0)
+
+    val streamFormat: StateFlow<String?> =
+        userPreferences.streamFormat
+            .stateIn(viewModelScope, SharingStarted.WhileSubscribed(5_000), null)
+
     fun selectSource(id: Long) {
         viewModelScope.launch { sourceRepository.selectSource(id) }
     }
@@ -25,4 +35,12 @@ class SettingsViewModel(
     fun deleteSource(id: Long) {
         viewModelScope.launch { sourceRepository.deleteSource(id) }
     }
+
+    fun setMaxBitrate(kbps: Int) {
+        viewModelScope.launch { userPreferences.setMaxBitrate(kbps) }
+    }
+
+    fun setStreamFormat(format: String?) {
+        viewModelScope.launch { userPreferences.setStreamFormat(format) }
+    }
 }