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refactor(core): separate data loading from repository reads

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Move implicit loading side effects out of getX methods into explicit loadX methods, making data flow predictable. Remove seriesTitle StateFlow in favor of direct seriesName access. Add proper error handling to repository load operations.
This commit is contained in:
Barnabas Balogh
2026-06-20 09:27:25 +00:00
parent 80f25c6dea
commit 5a98f3d2e7
9 changed files with 86 additions and 42 deletions
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21
core/src/main/java/hu/bbara/purefin/core/data/CompositeLocalMediaRepository.kt
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@@ -67,6 +67,27 @@ class CompositeLocalMediaRepository @Inject constructor(
)
}
override suspend fun loadMovie(id: UUID) {
runOnlineOrOfflineNoOp(
onlineAction = { onlineRepository.loadMovie(id) },
offlineAction = { offlineRepository.loadMovie(id) },
)
}
override suspend fun loadSeries(id: UUID) {
runOnlineOrOfflineNoOp(
onlineAction = { onlineRepository.loadSeries(id) },
offlineAction = { offlineRepository.loadSeries(id) },
)
}
override suspend fun loadEpisode(id: UUID) {
runOnlineOrOfflineNoOp(
onlineAction = { onlineRepository.loadEpisode(id) },
offlineAction = { offlineRepository.loadEpisode(id) },
)
}
override suspend fun loadSeasons(seriesId: UUID) {
runOnlineOrOfflineNoOp(
onlineAction = { onlineRepository.loadSeasons(seriesId) },

3
core/src/main/java/hu/bbara/purefin/core/data/LocalMediaRepository.kt
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@@ -14,6 +14,9 @@ interface LocalMediaRepository : MediaMetadataUpdater {
suspend fun getMovie(id: UUID): Flow<Movie?>
suspend fun getSeries(id: UUID): Flow<Series?>
suspend fun getEpisode(id: UUID): Flow<Episode?>
suspend fun loadMovie(id: UUID)
suspend fun loadSeries(id: UUID)
suspend fun loadEpisode(id: UUID)
suspend fun loadSeasons(seriesId: UUID)
suspend fun loadSeasonEpisodes(seriesId: UUID, seasonId: UUID)
}

15
core/src/main/java/hu/bbara/purefin/core/feature/content/episode/EpisodeScreenViewModel.kt
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@@ -20,7 +20,6 @@ import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.flow.asStateFlow
import kotlinx.coroutines.flow.flatMapLatest
import kotlinx.coroutines.flow.flowOf
import kotlinx.coroutines.flow.map
import kotlinx.coroutines.flow.stateIn
import kotlinx.coroutines.launch
import javax.inject.Inject
@@ -47,17 +46,6 @@ class EpisodeScreenViewModel @Inject constructor(
}
.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5_000), null)
@OptIn(ExperimentalCoroutinesApi::class)
val seriesTitle: StateFlow<String?> = _episode
.flatMapLatest { episode ->
if (episode == null) {
flowOf(null)
} else {
mediaCatalogReader(episode.offline).getSeries(episode.seriesId).map { it?.name }
}
}
.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5_000), null)
private val _downloadState = MutableStateFlow<DownloadState>(DownloadState.NotDownloaded)
val downloadState: StateFlow<DownloadState> = _downloadState.asStateFlow()
@@ -76,6 +64,9 @@ class EpisodeScreenViewModel @Inject constructor(
fun selectEpisode(episode: EpisodeDto) {
_episode.value = episode
viewModelScope.launch {
mediaCatalogReader(episode.offline).loadEpisode(episode.id)
}
viewModelScope.launch {
mediaDownloadManager.observeDownloadState(episode.id.toString()).collect {
_downloadState.value = it

3
core/src/main/java/hu/bbara/purefin/core/feature/content/movie/MovieScreenViewModel.kt
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@@ -63,6 +63,9 @@ class MovieScreenViewModel @Inject constructor(
fun selectMovie(movie: MovieDto) {
_movie.value = movie
viewModelScope.launch {
mediaCatalogReader(movie.offline).loadMovie(movie.id)
}
viewModelScope.launch {
mediaDownloadManager.observeDownloadState(movie.id.toString()).collect {
_downloadState.value = it

4
core/src/main/java/hu/bbara/purefin/core/feature/content/series/SeriesViewModel.kt
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@@ -195,7 +195,9 @@ class SeriesViewModel @Inject constructor(
fun selectSeries(series: SeriesDto) {
_series.value = series
viewModelScope.launch {
mediaCatalogReader(series.offline).loadSeasons(series.id)
val mediaCatalogReader = mediaCatalogReader(series.offline)
mediaCatalogReader.loadSeries(series.id)
mediaCatalogReader.loadSeasons(series.id)
}
}

6
core/src/main/java/hu/bbara/purefin/core/player/viewmodel/PlayerViewModel.kt
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@@ -169,8 +169,7 @@ class PlayerViewModel @Inject constructor(
_uiState.update { it.copy(error = dataErrorMessage) }
return
}
//TODO hack to preload the series media
mediaCatalogReader.getEpisode(UUID.fromString(id))
mediaCatalogReader.loadEpisode(UUID.fromString(id))
viewModelScope.launch {
runCatching {
playerManager.play(uuid)
@@ -243,6 +242,7 @@ class PlayerViewModel @Inject constructor(
private suspend fun PlayableMedia.toPlaylistElementUiModel(currentMediaId: UUID?): PlaylistElementUiModel? {
return when (this) {
is PlayableMedia.Movie -> {
mediaCatalogReader.loadMovie(id)
val movie = mediaCatalogReader.getMovie(id).first()
if (movie == null) {
Timber.tag(TAG).e("Movie not found for playlist item: $id")
@@ -261,6 +261,7 @@ class PlayerViewModel @Inject constructor(
}
is PlayableMedia.Series -> {
mediaCatalogReader.loadSeries(id)
val series = mediaCatalogReader.getSeries(id).first()
if (series == null) {
Timber.tag(TAG).e("Series not found for playlist item: $id")
@@ -279,6 +280,7 @@ class PlayerViewModel @Inject constructor(
}
is PlayableMedia.Episode -> {
mediaCatalogReader.loadEpisode(id)
val episode = mediaCatalogReader.getEpisode(id).first()
if (episode == null) {
Timber.tag(TAG).e("Episode not found for playlist item: $id")