refactor(database): make DBListFrpcInstances able to list all users' frpc instances but not single user

feat(frpcAct): user will get createdBy when query frpc instances on current server
docs(api): update related api documentation

database.go

@@ -21,6 +21,20 @@ type User struct {
 	CreatedAt string
 }
 
+type FrpcInstance struct {
+	ID          int
+	UserID      int
+	Name        string
+	ServerAddr  string
+	ServerPort  string
+	AuthMethod  string
+	BootAtStart bool
+	RunUser     string
+	ConfigPath  string
+	CreatedAt   time.Time
+	CreatedBy   string
+}
+
 func InitDatabase(dbPath string) error {
 	InitUserDatabase(dbPath)
 	InitFrpcDatabase(dbPath)
@@ -362,10 +376,15 @@ func DBUpdateFrpcInstance(instance FrpcInstance) error {
 	return nil
 }
 
-func DBListFrpcInstances(userID int) ([]FrpcInstance, error) {
-	rows, err := frpcDB.Query("SELECT id, userID, name, serverAddr, serverPort, auth_method, bootAtStart, runUser, configPath, createdAt FROM frpcInstances WHERE userID = ?", userID)
+func DBListFrpcInstances() ([]FrpcInstance, error) {
+	rows, err := frpcDB.Query(`
+		SELECT fi.id, fi.userID, fi.name, fi.serverAddr, fi.serverPort, fi.auth_method, 
+		       fi.bootAtStart, fi.runUser, fi.configPath, fi.createdAt, u.username
+		FROM frpcInstances fi
+		JOIN userLogin u ON fi.userID = u.userID
+	`)
 	if err != nil {
-		return nil, fmt.Errorf("failed to query frpc instances: %w", err)
+		return nil, fmt.Errorf("failed to query all frpc instances: %w", err)
 	}
 	defer rows.Close()
 
@@ -373,7 +392,7 @@ func DBListFrpcInstances(userID int) ([]FrpcInstance, error) {
 	for rows.Next() {
 		var instance FrpcInstance
 		var createdAtStr string
-		if err := rows.Scan(&instance.ID, &instance.UserID, &instance.Name, &instance.ServerAddr, &instance.ServerPort, &instance.AuthMethod, &instance.BootAtStart, &instance.RunUser, &instance.ConfigPath, &createdAtStr); err != nil {
+		if err := rows.Scan(&instance.ID, &instance.UserID, &instance.Name, &instance.ServerAddr, &instance.ServerPort, &instance.AuthMethod, &instance.BootAtStart, &instance.RunUser, &instance.ConfigPath, &createdAtStr, &instance.CreatedBy); err != nil {
 			return nil, fmt.Errorf("failed to scan frpc instance: %w", err)
 		}
 		instance.CreatedAt, _ = time.Parse(time.RFC3339, createdAtStr)