rideaware-api/services/user_service.go
Cipher Vance 3d9de8ba11 feat: add user service layer with business logic
- Create services/user_service.go with user creation and verification
- Add input validation for username, email, and password
- Implement duplicate user checking and password hashing
- Add comprehensive error handling and logging
2025-09-18 20:06:36 -05:00

73 lines
1.9 KiB
Go

package services
import (
"errors"
"log"
"strings"
"github.com/rideaware/rideaware-api/models"
"gorm.io/gorm"
)
type UserService struct {
db *gorm.DB
}
func NewUserService(db *gorm.DB) *UserService {
return &UserService{db: db}
}
func (s *UserService) CreateUser(username, email, password string) (*models.User, error) {
if username == "" || email == "" || password == "" {
return nil, errors.New("username, email, and password are required")
}
if len(username) < 3 || len(password) < 8 {
return nil, errors.New("username must be at least 3 characters and password must be at least 8 characters")
}
// Basic email validation
if !strings.Contains(email, "@") {
return nil, errors.New("invalid email format")
}
// Check if user exists (by username or email)
var existingUser models.User
if err := s.db.Where("username = ? OR email = ?", username, email).First(&existingUser).Error; err == nil {
return nil, errors.New("user with this username or email already exists")
}
// Create new user
user := models.User{
Username: username,
Email: email,
}
if err := user.SetPassword(password); err != nil {
log.Printf("Error hashing password: %v", err)
return nil, errors.New("could not create user")
}
if err := s.db.Create(&user).Error; err != nil {
log.Printf("Error creating user: %v", err)
return nil, errors.New("could not create user")
}
return &user, nil
}
func (s *UserService) VerifyUser(username, password string) (*models.User, error) {
var user models.User
// Allow login with either username or email
if err := s.db.Where("username = ? OR email = ?", username, username).First(&user).Error; err != nil {
log.Printf("User not found: %s", username)
return nil, errors.New("invalid username or password")
}
if !user.CheckPassword(password) {
log.Printf("Invalid password for user: %s", username)
return nil, errors.New("invalid username or password")
}
log.Printf("User verified: %s", username)
return &user, nil
}