feat: record used quota & request count (close #102, #165)

model/user.go

@@ -23,6 +23,8 @@ type User struct {
 	VerificationCode string `json:"verification_code" gorm:"-:all"`                                    // this field is only for Email verification, don't save it to database!
 	AccessToken      string `json:"access_token" gorm:"type:char(32);column:access_token;uniqueIndex"` // this token is for system management
 	Quota            int    `json:"quota" gorm:"type:int;default:0"`
+	UsedQuota        int    `json:"used_quota" gorm:"type:int;default:0;column:used_quota"` // used quota
+	RequestCount     int    `json:"request_count" gorm:"type:int;default:0;"`               // request number
 	Group            string `json:"group" gorm:"type:varchar(32);default:'default'"`
 }
 
@@ -262,3 +264,15 @@ func GetRootUserEmail() (email string) {
 	DB.Model(&User{}).Where("role = ?", common.RoleRootUser).Select("email").Find(&email)
 	return email
 }
+
+func UpdateUserUsedQuotaAndRequestCount(id int, quota int) {
+	err := DB.Model(&User{}).Where("id = ?", id).Updates(
+		map[string]interface{}{
+			"used_quota":    gorm.Expr("used_quota + ?", quota),
+			"request_count": gorm.Expr("request_count + ?", 1),
+		},
+	).Error
+	if err != nil {
+		common.SysError("Failed to update user used quota and request count: " + err.Error())
+	}
+}