To gitea and beyond, let's go(-yco)

internal/services/common.go

@@ -0,0 +1,136 @@
+package services
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	"github.com/lib/pq"
+	"golang.org/x/crypto/bcrypt"
+	"gorm.io/gorm"
+	"goyco/internal/config"
+	"goyco/internal/repositories"
+)
+
+func TrimString(s string) string {
+	return strings.TrimSpace(s)
+}
+
+const (
+	DefaultBcryptCost = 10
+)
+
+func HashPassword(password string, cost int) (string, error) {
+	if cost <= 0 {
+		cost = DefaultBcryptCost
+	}
+	hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), cost)
+	if err != nil {
+		return "", fmt.Errorf("hash password: %w", err)
+	}
+	return string(hashedPassword), nil
+}
+
+func IsRecordNotFound(err error) bool {
+	return errors.Is(err, gorm.ErrRecordNotFound)
+}
+
+func HandleUniqueConstraintError(err error) error {
+	if err == nil {
+		return nil
+	}
+
+	var pqErr *pq.Error
+	if !errors.As(err, &pqErr) || pqErr.Code != "23505" {
+		return err
+	}
+
+	constraintLower := strings.ToLower(pqErr.Constraint)
+	errMsgLower := strings.ToLower(pqErr.Message)
+
+	if strings.Contains(constraintLower, "username") ||
+		strings.Contains(errMsgLower, "username") ||
+		strings.Contains(errMsgLower, "users_username_key") ||
+		strings.Contains(errMsgLower, "users.username") {
+		return ErrUsernameTaken
+	}
+
+	if strings.Contains(constraintLower, "email") ||
+		strings.Contains(errMsgLower, "email") ||
+		strings.Contains(errMsgLower, "users_email_key") ||
+		strings.Contains(errMsgLower, "users.email") {
+		return ErrEmailTaken
+	}
+
+	return ErrUsernameTaken
+}
+
+func HandleUniqueConstraintErrorWithMessage(err error) error {
+	if err == nil {
+		return nil
+	}
+
+	if handled := HandleUniqueConstraintError(err); handled != err {
+		return handled
+	}
+
+	errMsg := err.Error()
+	errMsgLower := strings.ToLower(errMsg)
+
+	isUniqueError := strings.Contains(errMsgLower, "duplicate key") ||
+		strings.Contains(errMsgLower, "unique constraint") ||
+		strings.Contains(errMsgLower, "violates unique constraint") ||
+		strings.Contains(errMsgLower, "unique constraint failed") ||
+		strings.Contains(errMsgLower, "constraint failed") ||
+		(strings.Contains(errMsgLower, "constraint") && strings.Contains(errMsgLower, "unique"))
+
+	if !isUniqueError {
+		return err
+	}
+
+	if strings.Contains(errMsgLower, "username") ||
+		strings.Contains(errMsgLower, "users_username_key") ||
+		strings.Contains(errMsgLower, "users.username") ||
+		strings.Contains(errMsg, "username") ||
+		strings.Contains(errMsg, "users_username_key") ||
+		strings.Contains(errMsg, "users.username") {
+		return ErrUsernameTaken
+	}
+
+	if strings.Contains(errMsgLower, "email") ||
+		strings.Contains(errMsgLower, "users_email_key") ||
+		strings.Contains(errMsgLower, "users.email") ||
+		strings.Contains(errMsg, "email") ||
+		strings.Contains(errMsg, "users_email_key") ||
+		strings.Contains(errMsg, "users.email") {
+		return ErrEmailTaken
+	}
+
+	return ErrUsernameTaken
+}
+
+func NewAuthFacadeForTest(cfg *config.Config, userRepo repositories.UserRepository, postRepo repositories.PostRepository, deletionRepo repositories.AccountDeletionRepository, refreshRepo repositories.RefreshTokenRepositoryInterface, emailSender EmailSender) (*AuthFacade, error) {
+	emailService, err := NewEmailService(cfg, emailSender)
+	if err != nil {
+		return nil, fmt.Errorf("create email service: %w", err)
+	}
+
+	jwtService := NewJWTService(&cfg.JWT, userRepo, refreshRepo)
+
+	registrationService := NewRegistrationService(userRepo, emailService, cfg)
+	passwordResetService := NewPasswordResetService(userRepo, emailService)
+	deletionService := NewAccountDeletionService(userRepo, postRepo, deletionRepo, emailService)
+	sessionService := NewSessionService(jwtService, userRepo)
+	userManagementService := NewUserManagementService(userRepo, postRepo, emailService)
+
+	authFacade := NewAuthFacade(
+		registrationService,
+		passwordResetService,
+		deletionService,
+		sessionService,
+		userManagementService,
+		cfg,
+	)
+
+	return authFacade, nil
+}