package model import "gorm.io/gorm" type Tag struct { *Model UserID int64 `json:"user_id"` Tag string `json:"tag"` QuoteNum int64 `json:"quote_num"` } type TagFormated struct { ID int64 `json:"id"` UserID int64 `json:"user_id"` User *UserFormated `json:"user"` Tag string `json:"tag"` QuoteNum int64 `json:"quote_num"` } func (t *Tag) Format() *TagFormated { if t.Model == nil { return &TagFormated{} } return &TagFormated{ ID: t.ID, UserID: t.UserID, User: &UserFormated{}, Tag: t.Tag, QuoteNum: t.QuoteNum, } } func (t *Tag) Get(db *gorm.DB) (*Tag, error) { var tag Tag if t.Model != nil && t.Model.ID > 0 { db = db.Where("id= ? AND is_del = ?", t.Model.ID, 0) } else { db = db.Where("tag = ? AND is_del = ?", t.Tag, 0) } err := db.First(&tag).Error if err != nil { return &tag, err } return &tag, nil } func (t *Tag) Create(db *gorm.DB) (*Tag, error) { err := db.Create(&t).Error return t, err } func (t *Tag) Update(db *gorm.DB) error { return db.Model(&Tag{}).Where("id = ? AND is_del = ?", t.Model.ID, 0).Save(t).Error } func (t *Tag) List(db *gorm.DB, conditions *ConditionsT, offset, limit int) ([]*Tag, error) { var tags []*Tag var err error if offset >= 0 && limit > 0 { db = db.Offset(offset).Limit(limit) } if t.UserID > 0 { db = db.Where("user_id = ?", t.UserID) } for k, v := range *conditions { if k == "ORDER" { db = db.Order(v) } else { db = db.Where(k, v) } } if err = db.Where("is_del = ?", 0).Find(&tags).Error; err != nil { return nil, err } return tags, nil }