bakery/app/db/db_scheme.go

package db

import (
	"applet/app/db/model"
	"applet/app/utils/logx"
	"reflect"
	"xorm.io/xorm"
)

type SchemeDb struct {
	Db *xorm.Engine `json:"db"`
}

func (schemeDb *SchemeDb) Set() { // set方法
	schemeDb.Db = Db
}

func (schemeDb *SchemeDb) FindScheme() (*[]model.Scheme, error) {
	var m []model.Scheme
	if err := schemeDb.Db.Desc("id").Find(&m); err != nil {
		return nil, logx.Error(err)
	}
	return &m, nil
}

func (schemeDb *SchemeDb) GetScheme(id int) (m *model.Scheme, err error) {
	m = new(model.Scheme)
	has, err := schemeDb.Db.Where("id =?", id).Get(m)
	if err != nil {
		return nil, logx.Error(err)
	}
	if has == false {
		return nil, nil
	}
	return m, nil
}

func (schemeDb *SchemeDb) SchemeDeleteBySession(session *xorm.Session, id interface{}) (int64, error) {
	if reflect.TypeOf(id).Kind() == reflect.Slice {
		return session.In("id", id).Delete(model.Scheme{})
	} else {
		return session.Where("id = ?", id).Delete(model.Scheme{})
	}
}

func (schemeDb *SchemeDb) BatchAddSchemeBySession(session *xorm.Session, mm []*model.Scheme) (int64, error) {
	affected, err := session.Insert(mm)
	if err != nil {
		return 0, err
	}
	return affected, nil
}

func (schemeDb *SchemeDb) SchemeInsert(m *model.Scheme) (int, error) {
	_, err := schemeDb.Db.InsertOne(m)
	if err != nil {
		return 0, err
	}
	return m.Id, nil
}

func (schemeDb *SchemeDb) UpdateScheme(m *model.Scheme, columns ...string) (int64, error) {
	affected, err := schemeDb.Db.Where("id =?", m.Id).Cols(columns...).Update(m)
	if err != nil {
		return 0, err
	}
	return affected, nil
}