HEAVY: finish music service migration, tidy up services, more tests

repository/music/track_postgres.go

@@ -0,0 +1,137 @@
+package music
+
+import (
+    "arimelody-web/model"
+)
+
+func (repo *MusicRepositoryPostgres) GetAllTracks() ([]*model.Track, error) {
+    var tracks = []*model.Track{}
+
+    err := repo.db.Select(&tracks, "SELECT * FROM musictrack")
+    if err != nil {
+        return nil, err
+    }
+
+    return tracks, nil
+}
+func (repo *MusicRepositoryPostgres) GetTrackCount() (int, error) {
+    var count int
+    err := repo.db.Get(&count, "SELECT count(*) FROM musictrack")
+    return count, err
+}
+
+func (repo *MusicRepositoryPostgres) GetTrackByID(id string) (*model.Track, error) {
+    var track = model.Track{}
+
+    stmt, _ := repo.db.Preparex("SELECT * FROM musictrack WHERE id=$1")
+    err := stmt.Get(&track, id)
+    if err != nil {
+        return nil, err
+    }
+    return &track, nil
+}
+
+func (repo *MusicRepositoryPostgres) GetOrphanTracks() ([]*model.Track, error) {
+    var tracks = []*model.Track{}
+
+    err := repo.db.Select(&tracks, "SELECT * FROM musictrack WHERE id NOT IN (SELECT track FROM musicreleasetrack)")
+    if err != nil {
+        return nil, err
+    }
+
+    return tracks, nil
+}
+
+func (repo *MusicRepositoryPostgres) GetTracksNotOnRelease(releaseID string) ([]*model.Track, error) {
+    var tracks = []*model.Track{}
+
+    err := repo.db.Select(&tracks,
+        "SELECT * FROM musictrack "+
+        "WHERE id NOT IN "+
+        "(SELECT track FROM musicreleasetrack WHERE release=$1)",
+        releaseID)
+    if err != nil {
+        return nil, err
+    }
+
+    return tracks, nil
+}
+
+func (repo *MusicRepositoryPostgres) GetTrackReleases(trackID string) ([]*model.Release, error) {
+    var releases = []*model.Release{}
+
+    err := repo.db.Select(&releases,
+        "SELECT id,title,type,release_date,artwork,buylink "+
+        "FROM musicrelease "+
+        "JOIN musicreleasetrack ON release=id "+
+        "WHERE track=$1 "+
+        "ORDER BY release_date",
+        trackID,
+    )
+    if err != nil { return nil, err }
+
+    return releases, nil
+}
+
+func (repo *MusicRepositoryPostgres) CreateTrack(
+    title string,
+    description string,
+    lyrics string,
+    previewURL string,
+) (string, error) {
+    var trackID string
+    err := repo.db.QueryRow(
+        "INSERT INTO musictrack (title, description, lyrics, preview_url) "+
+        "VALUES ($1, $2, $3, $4) "+
+        "RETURNING id",
+        title,
+        description,
+        lyrics,
+        previewURL,
+    ).Scan(&trackID)
+    if err != nil {
+        return "", err
+    }
+
+    return trackID, nil
+}
+
+func (repo *MusicRepositoryPostgres) UpdateTrack(track *model.Track) error {
+    _, err := repo.db.Exec(
+        "UPDATE musictrack "+
+        "SET title=$2, description=$3, lyrics=$4, preview_url=$5 "+
+        "WHERE id=$1",
+        track.ID,
+        track.Title,
+        track.Description,
+        track.Lyrics,
+        track.PreviewURL,
+    )
+    if err != nil {
+        return err
+    }
+
+    return nil
+}
+func (repo *MusicRepositoryPostgres) UpdateTrackTitle(id string, title string) error {
+    _, err := repo.db.Exec("UPDATE musictrack SET title=$2 WHERE id=$1", id, title)
+    return err
+}
+func (repo *MusicRepositoryPostgres) UpdateTrackDescription(id string, description string) error {
+    _, err := repo.db.Exec("UPDATE musictrack SET description=$2 WHERE id=$1", id, description)
+    return err
+}
+func (repo *MusicRepositoryPostgres) UpdateTrackLyrics(id string, lyrics string) error {
+    _, err := repo.db.Exec("UPDATE musictrack SET lyrics=$2 WHERE id=$1", id, lyrics)
+    return err
+}
+func (repo *MusicRepositoryPostgres) UpdateTrackPreviewURL(id string, previewURL string) error {
+    _, err := repo.db.Exec("UPDATE musictrack SET preview_url=$2 WHERE id=$1", id, previewURL)
+    return err
+}
+
+func (repo *MusicRepositoryPostgres) DeleteTrack(id string) (string, error) {
+    var deletedID string
+    err := repo.db.Get(&deletedID, "DELETE FROM musictrack WHERE id=$1 RETURNING id", id)
+    return deletedID, err
+}