package models

//摄像机组
type CameraGroup struct {
	Id            			string 				`gorm:"primary_key;column:id" json:"id"`
	GroupName   			string 				`gorm:"column:groupName" json:"groupName"`      //分组id
	CameraIds 				string 				`gorm:"column:cameraIds" json:"cameraIds"` 		//摄像机列表
}

func (CameraGroup) TableName() string {
	return "camera_group"
}

func (cg *CameraGroup) FindAll() (arr []CameraGroup) {
	if err := db.Table(cg.TableName()).Scan(&arr).Error;err !=nil {
		return nil
	}
	return arr
}

func (cg *CameraGroup) Insert() (bool,error) {
	if err = db.Table(cg.TableName()).Create(&cg).Error; err != nil {
		return false, err
	}
	return true, nil
}

func (cg *CameraGroup) SelectById(cameraId string) (rows int64, err error) {
	dbselect := db.Where("id = ?", cameraId).First(&cg)
	if dbselect.Error != nil || dbselect.RowsAffected == 0 {
		return 0, err
	}
	return dbselect.RowsAffected, nil
}

func (cg *CameraGroup) Update() (bool,error) {
	result := db.Table(cg.TableName()).Where("id=?",cg.Id).Save(&cg)
	if result.Error != nil {
		return false, err
	}
	return result.RowsAffected > 0, nil
}

func (cg *CameraGroup) Delete(id string) bool {
	if err := db.Table(cg.TableName()).Where("id=?",id).Delete(&CameraGroup{}).Error; err != nil {
		var cpr CameraPolygonRelation
		cpr.DeleteByGroupId(id)
		return false
	}

	return true
}