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Make media detail flows reactive

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Barnabas Balogh
2026-05-13 16:43:42 +02:00
parent 406d0f4ed8
commit 3ee4b558f5
4 changed files with 74 additions and 31 deletions
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43
data/src/main/java/hu/bbara/purefin/data/catalog/InMemoryLocalMediaRepository.kt
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@@ -19,6 +19,7 @@ import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.flow.asStateFlow
import kotlinx.coroutines.flow.distinctUntilChanged
import kotlinx.coroutines.flow.first
import kotlinx.coroutines.flow.flowOf
import kotlinx.coroutines.flow.map
@@ -58,7 +59,7 @@ class InMemoryLocalMediaRepository @Inject constructor(
moviesState.update { current -> current + (movie.id to movie) }
}
}
return moviesState.map { it[id] }
return moviesState.map { it[id] }.distinctUntilChanged()
}
override suspend fun getSeries(id: UUID): Flow<Series?> {
@@ -72,7 +73,7 @@ class InMemoryLocalMediaRepository @Inject constructor(
seriesState.update { current -> current + (series.id to series) }
}
}
return seriesState.map { it[id] }
return seriesState.map { it[id] }.distinctUntilChanged()
}
override suspend fun getEpisode(id: UUID): Flow<Episode?> {
@@ -88,7 +89,7 @@ class InMemoryLocalMediaRepository @Inject constructor(
}
val episode = episodesState.value[id] ?: return flowOf(null)
loadSeasons(seriesId = episode.seriesId)
return episodesState.map { it[id] }
return episodesState.map { it[id] }.distinctUntilChanged()
}
fun upsertMovies(movies: List<Movie>) {
@@ -162,10 +163,14 @@ class InMemoryLocalMediaRepository @Inject constructor(
return
}
if (episodesState.value.containsKey(mediaId)) {
var updatedEpisode: Episode? = null
episodesState.update { current ->
val episode = current[mediaId] ?: return@update current
current + (mediaId to episode.copy(progress = progressPercent, watched = watched))
val updated = episode.copy(progress = progressPercent, watched = watched)
updatedEpisode = updated
current + (mediaId to updated)
}
updatedEpisode?.let(::updateLoadedSeriesEpisode)
}
}
@@ -178,9 +183,37 @@ class InMemoryLocalMediaRepository @Inject constructor(
return
}
if (episodesState.value.containsKey(mediaId)) {
var updatedEpisode: Episode? = null
episodesState.update { current ->
val episode = current[mediaId] ?: return@update current
current + (mediaId to episode.copy(watched = watched))
val updated = episode.copy(watched = watched)
updatedEpisode = updated
current + (mediaId to updated)
}
updatedEpisode?.let(::updateLoadedSeriesEpisode)
}
}
private fun updateLoadedSeriesEpisode(updatedEpisode: Episode) {
seriesState.update { current ->
val series = current[updatedEpisode.seriesId] ?: return@update current
var changed = false
val seasons = series.seasons.map { season ->
if (season.episodes.none { it.id == updatedEpisode.id }) {
season
} else {
changed = true
season.copy(
episodes = season.episodes.map { episode ->
if (episode.id == updatedEpisode.id) updatedEpisode else episode
}
)
}
}
if (changed) {
current + (series.id to series.copy(seasons = seasons))
} else {
current
}
}
}