package service

import (
	"errors"
	"main_program/common"
	entity "main_program/entity"

	"gorm.io/gorm"
)

type videoService struct{}

var VideoService videoService

func (v *videoService) QueryOneByVideoId(videoId string) (video entity.Video, err error) {
	var videoEntity entity.Video
	result := common.MysqlDB.Where(&entity.Video{VideoId: videoId}).First(&videoEntity)
	if result.Error != nil {
		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
			return videoEntity, errors.New("no video")
		}
		return videoEntity, errors.New("query video failed")
	} else {
		return videoEntity, nil
	}
}