//gomodel insertUserFollowSQL = [
// INSERT INTO Follow(UserId, FollowUserId)
// SELECT ?, ? FROM DUAL
// WHERE EXISTS(SELECT Id FROM User WHERE Id=?)
//]
func (f *Follow) Add() error {
return f.txDo(DB, func(tx gomodel.Tx, f *Follow) error {
c, err := tx.UpdateById(insertUserFollowSQL, gomodel.FieldVals(f, followFieldsAll, f.FollowUserId)...)
err = dberrs.NoAffects(c, err, ErrNoUser)
err = dberrs.DuplicateKeyError(err, dberrs.PRIMARY_KEY, ErrFollowed)
return f.updateFollowInfo(tx, err, 1)
})
}
func (u *User) Add() error {
u.Followings = 0
u.Followers = 0
id, err := DB.Insert(u, userFieldsExcpId, gomodel.RES_ID)
err = dberrs.DuplicateKeyError(DB, err, UserNameCol, ErrDuplicateUserName)
if err == nil {
u.Id = id
}
return err
}