refactoring everything teehee (i'm so glad this isn't a team project)

Signed-off-by: ari melody <ari@arimelody.me>

api/v1/music/track.go

@@ -0,0 +1,100 @@
+package music
+
+import (
+	"fmt"
+
+	"github.com/jmoiron/sqlx"
+)
+
+type Track struct {
+	number      int
+	title       string
+	description string
+	lyrics      string
+	previewURL  string
+}
+
+// GETTERS
+
+func (track Track) GetNumber() int {
+	return track.number
+}
+
+func (track Track) GetTitle() string {
+	return track.title
+}
+
+func (track Track) GetDescription() string {
+	return track.description
+}
+
+func (track Track) GetLyrics() string {
+	return track.lyrics
+}
+
+func (track Track) GetPreviewURL() string {
+	return track.previewURL
+}
+
+// SETTERS
+
+func (track Track) SetNumber(number int) error {
+	// TODO: update DB
+	track.number = number
+	return nil
+}
+
+func (track Track) SetTitle(title string) error {
+	// TODO: update DB
+	track.title = title
+	return nil
+}
+
+func (track Track) SetDescription(description string) error {
+	// TODO: update DB
+	track.description = description
+	return nil
+}
+
+func (track Track) SetLyrics(lyrics string) error {
+	// TODO: update DB
+	track.lyrics = lyrics
+	return nil
+}
+
+func (track Track) SetPreviewURL(previewURL string) error {
+	// TODO: update DB
+	track.previewURL = previewURL
+	return nil
+}
+
+// DATABASE
+
+func PullReleaseTracks(db *sqlx.DB, releaseID string) ([]Track, error) {
+    var tracks = []Track{}
+
+	track_rows, err := db.Query("SELECT number, title, description, lyrics, preview_url FROM musictracks WHERE release=$1", releaseID)
+	if err != nil {
+        return []Track{}, err
+	}
+
+	for track_rows.Next() {
+        var track = Track{}
+
+        err = track_rows.Scan(
+            &track.number,
+            &track.title,
+            &track.description,
+            &track.lyrics,
+            &track.previewURL,
+        )
+        if err != nil {
+            fmt.Printf("Error while pulling track for release %s: %s\n", releaseID, err)
+            continue
+        }
+
+        tracks = append(tracks, track)
+    }
+
+    return tracks, nil
+}