init

2026-07-20 14:58:57 +08:00
commit 45db0aa4b9
50 changed files with 5861 additions and 0 deletions
@@ -0,0 +1,110 @@
+package service
+
+import (
+	"errors"
+	"fmt"
+	"math/rand"
+	"time"
+
+	"affiliate_dash/internal/model"
+	"affiliate_dash/internal/pkg/jwt"
+
+	"golang.org/x/crypto/bcrypt"
+	"gorm.io/gorm"
+)
+
+type AuthService struct {
+	db  *gorm.DB
+	jwt *jwt.Manager
+}
+
+func NewAuthService(db *gorm.DB, jm *jwt.Manager) *AuthService {
+	return &AuthService{db: db, jwt: jm}
+}
+
+type LoginResult struct {
+	Token string      `json:"token"`
+	User  *model.User `json:"user"`
+}
+
+func (s *AuthService) Login(username, password string) (*LoginResult, error) {
+	var user model.User
+	if err := s.db.Where("username = ?", username).First(&user).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, errors.New("用户名或密码错误")
+		}
+		return nil, err
+	}
+	if user.Status != 1 {
+		return nil, errors.New("账号已禁用")
+	}
+	if err := bcrypt.CompareHashAndPassword([]byte(user.PasswordHash), []byte(password)); err != nil {
+		return nil, errors.New("用户名或密码错误")
+	}
+	token, err := s.jwt.Generate(user.ID, user.Username, user.Role)
+	if err != nil {
+		return nil, err
+	}
+	return &LoginResult{Token: token, User: &user}, nil
+}
+
+func (s *AuthService) Register(username, password, nickname string) (*model.User, error) {
+	var count int64
+	s.db.Model(&model.User{}).Where("username = ?", username).Count(&count)
+	if count > 0 {
+		return nil, errors.New("用户名已存在")
+	}
+	hash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
+	if err != nil {
+		return nil, err
+	}
+	user := &model.User{
+		Username:     username,
+		PasswordHash: string(hash),
+		Nickname:     nickname,
+		Role:         model.RoleDistributor,
+		Status:       1,
+		InviteCode:   generateInviteCode(),
+	}
+	if user.Nickname == "" {
+		user.Nickname = username
+	}
+	if err := s.db.Create(user).Error; err != nil {
+		return nil, err
+	}
+	return user, nil
+}
+
+func (s *AuthService) GetProfile(userID uint) (*model.User, error) {
+	var user model.User
+	if err := s.db.First(&user, userID).Error; err != nil {
+		return nil, err
+	}
+	return &user, nil
+}
+
+func (s *AuthService) EnsureAdmin() error {
+	var count int64
+	s.db.Model(&model.User{}).Where("role = ?", model.RoleAdmin).Count(&count)
+	if count > 0 {
+		return nil
+	}
+	hash, err := bcrypt.GenerateFromPassword([]byte("admin123"), bcrypt.DefaultCost)
+	if err != nil {
+		return err
+	}
+	admin := &model.User{
+		Username:     "admin",
+		PasswordHash: string(hash),
+		Nickname:     "管理员",
+		Role:         model.RoleAdmin,
+		Status:       1,
+		InviteCode:   "ADMIN001",
+	}
+	return s.db.Create(admin).Error
+}
+
+func generateInviteCode() string {
+	r := rand.New(rand.NewSource(time.Now().UnixNano()))
+	return fmt.Sprintf("D%06d", r.Intn(1000000))
+}