feat: user: allow to query profile and create if not exists (transaction)

internal/service/user/profile.go

@@ -22,3 +22,22 @@ func (s *service) Profile(uid uint) (*model.User, e.Status) {
 
 	return user, e.Success
 }
+
+func (s *service) ProfileOrCreate(data *CreateData) (*model.User, e.Status) {
+	user := &model.User{
+		UserName:  data.UserName,
+		NickName:  data.NickName,
+		Role:      model.RoleGeneral,
+		IsEnabled: true,
+	}
+
+	// Notice: FirstOrCreate will not update the record if it exists, and also we should not update the record
+	// Notice: OAuth2 created user will not have password
+	err := s.db.Get().Where(model.User{UserName: data.UserName}).FirstOrCreate(&user, data).Error
+	if err != nil {
+		s.log.Warn("DatabaseError", zap.Error(err), zap.Any("user", user))
+		return nil, e.DatabaseError
+	}
+
+	return user, e.Success
+}

internal/service/user/service.go

@@ -17,6 +17,7 @@ type Service interface {
 	Login(data *LoginData) (*model.User, e.Status)
 	IncrVersion(uid uint) (int64, e.Status)
 	Profile(uid uint) (*model.User, e.Status)
+	ProfileOrCreate(data *CreateData) (*model.User, e.Status)
 
 	HealthCheck() error
 }