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added db function to retrieve pseudo random elements

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CappielloAntonio 2021-04-20 14:16:09 +02:00
parent 40e9a6f778
commit 8e3456078b
2 changed files with 9 additions and 0 deletions
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3
app/src/main/java/com/cappielloantonio/play/database/dao/SongDao.java
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@ -24,6 +24,9 @@ public interface SongDao {
@Query("SELECT * FROM song WHERE title LIKE '%' || :title || '%'") @Query("SELECT * FROM song WHERE title LIKE '%' || :title || '%'")
LiveData<List<Song>> searchSong(String title); LiveData<List<Song>> searchSong(String title);
@Query("SELECT * FROM song WHERE key IN (:pseudoRandomNumber)")
LiveData<List<Song>> getDiscoverySample(List<Integer> pseudoRandomNumber);
@Query("SELECT * FROM song ORDER BY added DESC LIMIT :number") @Query("SELECT * FROM song ORDER BY added DESC LIMIT :number")
LiveData<List<Song>> getRecentlyAddedSample(int number); LiveData<List<Song>> getRecentlyAddedSample(int number);

6
app/src/main/java/com/cappielloantonio/play/repository/SongRepository.java
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@ -21,6 +21,7 @@ public class SongRepository {
private SongDao songDao; private SongDao songDao;
private SongGenreCrossDao songGenreCrossDao; private SongGenreCrossDao songGenreCrossDao;
private LiveData<List<Song>> searchListLiveSongs; private LiveData<List<Song>> searchListLiveSongs;
private LiveData<List<Song>> listLiveSampleDiscoverSongs;
private LiveData<List<Song>> listLiveSampleRecentlyAddedSongs; private LiveData<List<Song>> listLiveSampleRecentlyAddedSongs;
private LiveData<List<Song>> listLiveSampleRecentlyPlayedSongs; private LiveData<List<Song>> listLiveSampleRecentlyPlayedSongs;
private LiveData<List<Song>> listLiveSampleMostPlayedSongs; private LiveData<List<Song>> listLiveSampleMostPlayedSongs;
@ -44,6 +45,11 @@ public class SongRepository {
return searchListLiveSongs; return searchListLiveSongs;
} }
public LiveData<List<Song>> getListLiveDiscoverSampleSong(List<Integer> pseudoRandomNumber) {
listLiveSampleDiscoverSongs = songDao.getDiscoverySample(pseudoRandomNumber);
return listLiveSampleDiscoverSongs;
}
public LiveData<List<Song>> getListLiveRecentlyAddedSampleSong(int number) { public LiveData<List<Song>> getListLiveRecentlyAddedSampleSong(int number) {
listLiveSampleRecentlyAddedSongs = songDao.getRecentlyAddedSample(number); listLiveSampleRecentlyAddedSongs = songDao.getRecentlyAddedSample(number);
return listLiveSampleRecentlyAddedSongs; return listLiveSampleRecentlyAddedSongs;