Fixed some small bugs after merge

internal/db/database.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"database/sql"
 	"fmt"
+	"time"
 
 	"music-server/internal/logging"
 
@@ -59,6 +60,26 @@ func (db *Database) Close() {
 	}
 }
 
+// Health checks the health of the database connection by pinging the database.
+// It returns a map with keys indicating various health statistics.
+func (db *Database) Health() map[string]string {
+	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
+	defer cancel()
+
+	stats := make(map[string]string)
+
+	// Ping the database
+	err := db.Pool.Ping(ctx)
+	if err != nil {
+		stats["status"] = "down"
+		stats["error"] = err.Error()
+		return stats
+	}
+
+	stats["status"] = "up"
+	return stats
+}
+
 // RunMigrations runs all pending database migrations to the latest version.
 // Uses the existing pool to extract connection details.
 func (db *Database) RunMigrations() error {