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60 changes: 60 additions & 0 deletions
60
...main/java/io/github/zyrouge/symphony/services/database/store/SongQueueSongMappingStore.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| package io.github.zyrouge.symphony.services.database.store | ||
|
|
||
| import androidx.room.Dao | ||
| import androidx.room.Insert | ||
| import androidx.room.MapColumn | ||
| import androidx.room.Query | ||
| import androidx.room.RawQuery | ||
| import androidx.sqlite.db.SimpleSQLiteQuery | ||
| import androidx.sqlite.db.SupportSQLiteQuery | ||
| import io.github.zyrouge.symphony.services.groove.entities.Song | ||
| import io.github.zyrouge.symphony.services.groove.entities.SongQueueSongMapping | ||
| import kotlinx.coroutines.ExperimentalCoroutinesApi | ||
| import kotlinx.coroutines.flow.Flow | ||
| import kotlinx.coroutines.flow.mapLatest | ||
|
|
||
| @Dao | ||
| interface SongQueueSongMappingStore { | ||
| @Insert | ||
| suspend fun insert(vararg entities: SongQueueSongMapping) | ||
|
|
||
| @Query("DELETE FROM ${SongQueueSongMapping.TABLE} WHERE ${SongQueueSongMapping.COLUMN_QUEUE_ID} IN (:ids)") | ||
| suspend fun deleteSongQueueIds(ids: Collection<String>) | ||
|
|
||
| @RawQuery(observedEntities = [Song::class, SongQueueSongMapping::class]) | ||
| fun entriesAsFlowRaw(query: SupportSQLiteQuery): Flow<Map<@MapColumn(SongQueueSongMapping.COLUMN_SONG_ID) String, Song.AlongSongQueueMapping>> | ||
| } | ||
|
|
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| fun SongQueueSongMappingStore.entriesAsFlow(queueId: String): Flow<Map<String, Song.AlongSongQueueMapping>> { | ||
| val query = "SELECT ${Song.TABLE}.*, " + | ||
| "${SongQueueSongMapping.TABLE}.* " + | ||
| "FROM ${SongQueueSongMapping.TABLE} " + | ||
| "WHERE ${SongQueueSongMapping.TABLE}.${SongQueueSongMapping.COLUMN_QUEUE_ID} = ? " + | ||
| "LEFT JOIN ${Song.TABLE} ON ${Song.TABLE}.${Song.COLUMN_ID} = ${SongQueueSongMapping.COLUMN_SONG_ID} " + | ||
| "ORDER BY ${SongQueueSongMapping.TABLE}.${SongQueueSongMapping.COLUMN_IS_HEAD} DESC" | ||
| val args = arrayOf(queueId) | ||
| return entriesAsFlowRaw(SimpleSQLiteQuery(query, args)) | ||
| } | ||
|
|
||
| @OptIn(ExperimentalCoroutinesApi::class) | ||
| fun SongQueueSongMappingStore.transformEntriesAsValuesFlow(entries: Flow<Map<String, Song.AlongSongQueueMapping>>): Flow<List<Song>> { | ||
| return entries.mapLatest { | ||
| val list = mutableListOf<Song>() | ||
| var head = it.firstNotNullOfOrNull { | ||
| when { | ||
| it.value.mapping.isStart -> it.value | ||
| else -> null | ||
| } | ||
| } | ||
| while (head != null) { | ||
| list.add(head.song) | ||
| head = it[head.mapping.nextId] | ||
| } | ||
| list.toList() | ||
| } | ||
| } | ||
|
|
||
| fun SongQueueSongMappingStore.valuesAsFlow(queueId: String): Flow<List<Song>> { | ||
| val entries = entriesAsFlow(queueId) | ||
| return transformEntriesAsValuesFlow(entries) | ||
| } |
31 changes: 31 additions & 0 deletions
31
app/src/main/java/io/github/zyrouge/symphony/services/database/store/SongQueueStore.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| package io.github.zyrouge.symphony.services.database.store | ||
|
|
||
| import androidx.room.Dao | ||
| import androidx.room.Insert | ||
| import androidx.room.Query | ||
| import androidx.room.RawQuery | ||
| import androidx.sqlite.db.SimpleSQLiteQuery | ||
| import androidx.sqlite.db.SupportSQLiteQuery | ||
| import io.github.zyrouge.symphony.services.groove.entities.SongQueue | ||
| import io.github.zyrouge.symphony.services.groove.entities.SongQueueSongMapping | ||
| import kotlinx.coroutines.flow.Flow | ||
|
|
||
| @Dao | ||
| interface SongQueueStore { | ||
| @Insert | ||
| suspend fun insert(vararg entities: SongQueue): List<String> | ||
|
|
||
| @Query("DELETE FROM ${SongQueue.TABLE} WHERE ${SongQueue.COLUMN_ID} = :id") | ||
| suspend fun delete(id: String): Int | ||
|
|
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| @RawQuery(observedEntities = [SongQueue::class, SongQueueSongMapping::class]) | ||
| fun valuesAsFlowRaw(query: SupportSQLiteQuery): Flow<List<SongQueue.AlongAttributes>> | ||
| } | ||
|
|
||
| fun SongQueueStore.valuesAsFlow(): Flow<List<SongQueue.AlongAttributes>> { | ||
| val query = "SELECT ${SongQueue.TABLE}.*, " + | ||
| "COUNT(${SongQueueSongMapping.TABLE}.${SongQueueSongMapping.COLUMN_SONG_ID}) as ${SongQueue.AlongAttributes.EMBEDDED_TRACKS_COUNT} " + | ||
| "FROM ${SongQueue.TABLE} " + | ||
| "LEFT JOIN ${SongQueueSongMapping.TABLE} ON ${SongQueueSongMapping.TABLE}.${SongQueueSongMapping.COLUMN_QUEUE_ID} = ${SongQueue.TABLE}.${SongQueue.COLUMN_ID}" | ||
| return valuesAsFlowRaw(SimpleSQLiteQuery(query)) | ||
| } |
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