smart_canteen/app/db/db_admin.go

package db

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

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

func (adminDb *AdminDb) Set() { // set方法
	adminDb.Db = Db
}

func (adminDb *AdminDb) CreateAdminId() (admId int, err error) {
	m := new(model.Admin)
	has, err := adminDb.Db.Desc("adm_id").Get(m)
	if err != nil {
		return 0, logx.Error(err)
	}
	if has == false {
		return 0, nil
	}
	admId = m.AdmId + 1
	return admId, nil
}

func (adminDb *AdminDb) AdminDeleteBySession(session *xorm.Session, admId interface{}) (int64, error) {
	if reflect.TypeOf(admId).Kind() == reflect.Slice {
		return session.In("adm_id", admId).Delete(model.Admin{})
	} else {
		return session.Where("id = ?", admId).Delete(model.Admin{})
	}
}

func (adminDb *AdminDb) GetAdmin(id int) (m *model.Admin, err error) {
	m = new(model.Admin)
	has, err := adminDb.Db.Where("adm_id =?", id).Get(m)
	if err != nil {
		return nil, logx.Error(err)
	}
	if has == false {
		return nil, nil
	}
	return m, nil
}

func (adminDb *AdminDb) GetAdminByUserName(userName string) (m *model.Admin, err error) {
	m = new(model.Admin)
	has, err := adminDb.Db.Where("username =?", userName).Get(m)
	if err != nil {
		return nil, logx.Error(err)
	}
	if has == false {
		return nil, nil
	}
	return m, nil
}

func (adminDb *AdminDb) GetAdminRolePermission(admId int) (list []*AdminRolePermission, total int64, err error) {
	total, err = adminDb.Db.Where("admin.adm_id =?", admId).
		Join("LEFT", "admin_role", "admin.adm_id = admin_role.adm_id").
		Join("LEFT", "role", "admin_role.role_id = role.id").
		Join("LEFT", "role_permission_group", "role.id = role_permission_group.role_id").
		Join("LEFT", "permission_group", "role_permission_group.group_id = permission_group.id").
		Join("LEFT", "permission_group_permission", "permission_group.id = permission_group_permission.group_id").
		Join("LEFT", "permission", "permission_group_permission.permission_id = permission.id").
		FindAndCount(&list)
	return
}

func (adminDb *AdminDb) FindAdminRolePermissionGroup(admId int) (list []*AdminRolePermissionGroup, total int64, err error) {
	total, err = adminDb.Db.Where("admin.adm_id =?", admId).
		Join("LEFT", "admin_role", "admin.adm_id = admin_role.adm_id").
		Join("LEFT", "role", "admin_role.role_id = role.id").
		Join("LEFT", "role_permission_group", "role.id = role_permission_group.role_id").
		Join("LEFT", "permission_group", "role_permission_group.group_id = permission_group.id").
		FindAndCount(&list)
	return
}

func (adminDb *AdminDb) FindAdmin(username string, state, page, limit int) (list []model.Admin, total int64, err error) {
	sess := adminDb.Db.Desc("adm_id").Limit(limit, (page-1)*limit)
	if username != "" {
		sess.And("username like ?", "%"+username+"%")
	}
	if state != 0 {
		sess.And("state = ?", state)
	}
	total, err = sess.FindAndCount(&list)
	if err != nil {
		return nil, 0, err
	}
	return
}

func (adminDb *AdminDb) UpdateAdmin(m *model.Admin, columns ...string) (int64, error) {
	affected, err := adminDb.Db.Where("adm_id =?", m.AdmId).Cols(columns...).Update(m)
	if err != nil {
		return 0, err
	}
	return affected, nil
}

func (adminDb *AdminDb) AdminInsert(m *model.Admin) (int64, error) {
	insertAffected, err := adminDb.Db.InsertOne(m)
	if err != nil {
		return 0, err
	}
	return insertAffected, nil
}