75 lines
1.7 KiB
Kotlin
75 lines
1.7 KiB
Kotlin
package org.moire.ultrasonic.data
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import androidx.room.Dao
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import androidx.room.Query
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import androidx.room.Transaction
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import org.moire.ultrasonic.domain.Album
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@Dao
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interface AlbumDao : GenericDao<Album> {
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/**
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* Clear the whole database
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*/
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@Query("DELETE FROM albums")
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fun clear()
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/**
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* Get all albums
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*/
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@Query("SELECT * FROM albums")
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fun get(): List<Album>
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/**
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* Get album by id
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*/
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@Query("SELECT * FROM albums where id LIKE :albumId LIMIT 1")
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fun get(albumId: String): Album
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/**
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* Get albums by artist
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*/
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@Query("SELECT * FROM albums WHERE artistId LIKE :id")
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fun byArtist(id: String): List<Album>
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/**
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* Clear albums by artist
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*/
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@Query("DELETE FROM albums WHERE artistId LIKE :id")
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fun clearByArtist(id: String)
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/**
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* TODO: Make generic
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* Upserts (insert or update) an object to the database
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*
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* @param obj the object to upsert
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*/
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@Transaction
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@JvmSuppressWildcards
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fun upsert(obj: Album) {
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val id = insertIgnoring(obj)
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if (id == -1L) {
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update(obj)
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}
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}
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/**
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* Upserts (insert or update) a list of objects
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*
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* @param objList the object to be upserted
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*/
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@Transaction
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@JvmSuppressWildcards
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fun upsert(objList: List<Album>) {
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val insertResult = insertIgnoring(objList)
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val updateList: MutableList<Album> = ArrayList()
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for (i in insertResult.indices) {
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if (insertResult[i] == -1L) {
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updateList.add(objList[i])
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}
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}
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if (updateList.isNotEmpty()) {
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update(updateList)
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}
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}
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}
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