Fix double escaped lyrics and comments

db/migration/20211026191915_unescape_lyrics_and_comments.go

@@ -0,0 +1,46 @@
+package migrations
+
+import (
+	"database/sql"
+
+	"github.com/navidrome/navidrome/log"
+	"github.com/navidrome/navidrome/utils"
+	"github.com/pressly/goose"
+)
+
+func init() {
+	goose.AddMigration(upUnescapeLyricsAndComments, downUnescapeLyricsAndComments)
+}
+
+func upUnescapeLyricsAndComments(tx *sql.Tx) error {
+	rows, err := tx.Query(`select id, comment, lyrics, title from media_file`)
+	if err != nil {
+		return err
+	}
+	defer rows.Close()
+
+	stmt, err := tx.Prepare("update media_file set comment = ?, lyrics = ? where id = ?")
+	if err != nil {
+		return err
+	}
+
+	var id, comment, lyrics, title string
+	for rows.Next() {
+		err = rows.Scan(&id, &comment, &lyrics, &title)
+		if err != nil {
+			return err
+		}
+
+		comment = utils.SanitizeText(comment)
+		lyrics = utils.SanitizeText(lyrics)
+		_, err = stmt.Exec(comment, lyrics, id)
+		if err != nil {
+			log.Error("Error unescaping media_file's lyrics and comments", "title", title, "id", id, err)
+		}
+	}
+	return rows.Err()
+}
+
+func downUnescapeLyricsAndComments(tx *sql.Tx) error {
+	return nil
+}