Feat: autobrrctl change-password (#9)

* feat(autobrrctl): add method change-password

* refactor: store user

cmd/autobrrctl/main.go

@@ -77,6 +77,35 @@ func main() {
 		if err := userRepo.Store(user); err != nil {
 			log.Fatalf("failed to create user: %v", err)
 		}
+	case "change-password":
+		username := flag.Arg(1)
+		if username == "" {
+			flag.Usage()
+			os.Exit(1)
+		}
+
+		user, err := userRepo.FindByUsername(username)
+		if err != nil {
+			log.Fatalf("failed to get user: %v", err)
+		}
+
+		if user == nil {
+			log.Fatalf("failed to get user: %v", err)
+		}
+
+		password, err := readPassword()
+		if err != nil {
+			log.Fatalf("failed to read password: %v", err)
+		}
+		hashed, err := argon2id.CreateHash(string(password), argon2id.DefaultParams)
+		if err != nil {
+			log.Fatalf("failed to hash password: %v", err)
+		}
+
+		user.Password = hashed
+		if err := userRepo.Store(*user); err != nil {
+			log.Fatalf("failed to create user: %v", err)
+		}
 	default:
 		flag.Usage()
 		if cmd != "help" {

internal/database/user.go

@@ -35,13 +35,24 @@ func (r *UserRepo) FindByUsername(username string) (*domain.User, error) {
 }
 
 func (r *UserRepo) Store(user domain.User) error {
-	query := `INSERT INTO users (username, password) VALUES (?, ?)`
 
-	_, err := r.db.Exec(query, user.Username, user.Password)
+	var err error
-	if err != nil {
+	if user.ID != 0 {
-		log.Error().Stack().Err(err).Msg("error executing query")
+		update := `UPDATE users SET password = ? WHERE username = ?`
-		return err
+		_, err = r.db.Exec(update, user.Password, user.Username)
+		if err != nil {
+			log.Error().Stack().Err(err).Msg("error executing query")
+			return err
+		}
+
+	} else {
+		query := `INSERT INTO users (username, password) VALUES (?, ?)`
+		_, err = r.db.Exec(query, user.Username, user.Password)
+		if err != nil {
+			log.Error().Stack().Err(err).Msg("error executing query")
+			return err
+		}
 	}
 
-	return nil
+	return err
 }