테넌트 등록 방식을 결정

backend/internal/repository/user_repository.go

@@ -0,0 +1,56 @@
+package repository
+
+import (
+	"baron-sso-backend/internal/domain"
+	"context"
+
+	"gorm.io/gorm"
+)
+
+type UserRepository interface {
+	Create(ctx context.Context, user *domain.User) error
+	Update(ctx context.Context, user *domain.User) error
+	FindByEmail(ctx context.Context, email string) (*domain.User, error)
+	FindByID(ctx context.Context, id string) (*domain.User, error)
+	ListByTenant(ctx context.Context, tenantID string) ([]domain.User, error)
+}
+
+type userRepository struct {
+	db *gorm.DB
+}
+
+func NewUserRepository(db *gorm.DB) UserRepository {
+	return &userRepository{db: db}
+}
+
+func (r *userRepository) Create(ctx context.Context, user *domain.User) error {
+	return r.db.WithContext(ctx).Create(user).Error
+}
+
+func (r *userRepository) Update(ctx context.Context, user *domain.User) error {
+	return r.db.WithContext(ctx).Save(user).Error
+}
+
+func (r *userRepository) FindByEmail(ctx context.Context, email string) (*domain.User, error) {
+	var user domain.User
+	if err := r.db.WithContext(ctx).Preload("Tenant").Where("email = ?", email).First(&user).Error; err != nil {
+		return nil, err
+	}
+	return &user, nil
+}
+
+func (r *userRepository) FindByID(ctx context.Context, id string) (*domain.User, error) {
+	var user domain.User
+	if err := r.db.WithContext(ctx).Preload("Tenant").Where("id = ?", id).First(&user).Error; err != nil {
+		return nil, err
+	}
+	return &user, nil
+}
+
+func (r *userRepository) ListByTenant(ctx context.Context, tenantID string) ([]domain.User, error) {
+	var users []domain.User
+	if err := r.db.WithContext(ctx).Where("tenant_id = ?", tenantID).Find(&users).Error; err != nil {
+		return nil, err
+	}
+	return users, nil
+}