Files
opsxsql/backend/internal/service/auth_service.go
T

154 lines
4.1 KiB
Go

package service
import (
"errors"
"time"
"golang.org/x/crypto/bcrypt"
"gorm.io/gorm"
"sql-platform/internal/middleware"
"sql-platform/internal/model"
)
func stringPtr(value string) *string {
return &value
}
func boolPtr(value bool) *bool {
return &value
}
type AuthService struct {
DB *gorm.DB
}
func NewAuthService(db *gorm.DB) *AuthService {
return &AuthService{DB: db}
}
// Login authenticates a user and returns a JWT token
func (s *AuthService) Login(username, password string) (*model.User, string, error) {
var user model.User
if err := s.DB.Where("username = ?", username).First(&user).Error; err != nil {
return nil, "", errors.New("invalid username or password")
}
if user.IsActive != nil && !*user.IsActive {
return nil, "", errors.New("account is disabled")
}
if err := bcrypt.CompareHashAndPassword([]byte(user.HashedPassword), []byte(password)); err != nil {
return nil, "", errors.New("invalid username or password")
}
token, err := middleware.GenerateToken(&user)
if err != nil {
return nil, "", errors.New("failed to generate token")
}
// Update last login
now := time.Now()
user.LastLogin = &now
s.DB.Model(&user).Update("last_login", now)
return &user, token, nil
}
// Register creates a new user
func (s *AuthService) Register(username, displayName, email, phone, password, role string) (*model.User, error) {
// Check if username already exists
var count int64
s.DB.Model(&model.User{}).Where("username = ?", username).Count(&count)
if count > 0 {
return nil, errors.New("username already exists")
}
hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
if err != nil {
return nil, errors.New("failed to hash password")
}
if role == "" {
role = "developer"
}
user := model.User{
Username: username,
DisplayName: displayName,
Email: stringPtr(email),
Phone: stringPtr(phone),
HashedPassword: string(hashedPassword),
Role: role,
IsActive: boolPtr(true),
}
if err := s.DB.Create(&user).Error; err != nil {
return nil, errors.New("failed to create user")
}
return &user, nil
}
// GetUserByID retrieves a user by ID
func (s *AuthService) GetUserByID(id uint) (*model.User, error) {
var user model.User
if err := s.DB.First(&user, id).Error; err != nil {
return nil, errors.New("user not found")
}
return &user, nil
}
// ListUsers returns all users
func (s *AuthService) ListUsers(page, pageSize int) ([]model.User, int64, error) {
var users []model.User
var total int64
db := s.DB.Model(&model.User{})
db.Count(&total)
offset := (page - 1) * pageSize
if err := db.Offset(offset).Limit(pageSize).Find(&users).Error; err != nil {
return nil, 0, err
}
return users, total, nil
}
// UpdateUser updates a user's info
func (s *AuthService) UpdateUser(id uint, updates map[string]interface{}) error {
return s.DB.Model(&model.User{}).Where("id = ?", id).Updates(updates).Error
}
// DeleteUser soft-deletes a user
func (s *AuthService) DeleteUser(id uint) error {
return s.DB.Delete(&model.User{}, id).Error
}
// ChangePassword changes a user's password
func (s *AuthService) ChangePassword(id uint, oldPassword, newPassword string) error {
var user model.User
if err := s.DB.First(&user, id).Error; err != nil {
return errors.New("user not found")
}
if err := bcrypt.CompareHashAndPassword([]byte(user.HashedPassword), []byte(oldPassword)); err != nil {
return errors.New("incorrect current password")
}
hashedPassword, err := bcrypt.GenerateFromPassword([]byte(newPassword), bcrypt.DefaultCost)
if err != nil {
return errors.New("failed to hash password")
}
return s.DB.Model(&user).Update("hashed_password", string(hashedPassword)).Error
}
// ResetPassword resets a user's password (admin only)
func (s *AuthService) ResetPassword(id uint, newPassword string) error {
hashedPassword, err := bcrypt.GenerateFromPassword([]byte(newPassword), bcrypt.DefaultCost)
if err != nil {
return errors.New("failed to hash password")
}
return s.DB.Model(&model.User{}).Where("id = ?", id).Update("hashed_password", string(hashedPassword)).Error
}