initial commit

backend/service/user.go

@@ -0,0 +1,47 @@
+package service
+
+import (
+	"s-ui/database"
+	"s-ui/database/model"
+	"s-ui/logger"
+	"s-ui/util/common"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type UserService struct {
+}
+
+func (s *UserService) Login(username string, password string, remoteIP string) (string, error) {
+	user := s.CheckUser(username, password, remoteIP)
+	if user == nil {
+		return "", common.NewError("wrong user or password! IP: ", remoteIP)
+	}
+	return user.Username, nil
+}
+
+func (s *UserService) CheckUser(username string, password string, remoteIP string) *model.User {
+	db := database.GetDB()
+
+	user := &model.User{}
+	err := db.Model(model.User{}).
+		Where("username = ? and password = ?", username, password).
+		First(user).
+		Error
+	if err == gorm.ErrRecordNotFound {
+		return nil
+	} else if err != nil {
+		logger.Warning("check user err:", err, " IP: ", remoteIP)
+		return nil
+	}
+
+	lastLoginTxt := time.Now().Format("2006-01-02 15:04:05") + "-" + remoteIP
+	err = db.Model(model.User{}).
+		Where("username = ?", username).
+		Update("last_logins", &lastLoginTxt).Error
+	if err != nil {
+		logger.Warning("unable to log login data", err)
+	}
+	return user
+}