131 lines
3.2 KiB
Go
131 lines
3.2 KiB
Go
package mediafiller
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import (
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"math/rand"
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"service/dbstruct"
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"service/library/logger"
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"time"
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"github.com/gin-gonic/gin"
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)
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func init() {
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rand.Seed(time.Now().Unix())
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}
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var defaultMediaFiller *MediaFiller
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type GetImageByIdsFunc func(ctx *gin.Context, ids []int64) ([]*dbstruct.Image, error)
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type GetVideoByIdsFunc func(ctx *gin.Context, ids []int64) ([]*dbstruct.Video, error)
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type MediaFiller struct {
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fileServerDomainName string //文件服务器域名
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getImageByIds GetImageByIdsFunc //获取图片数据源
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getVideoByIds GetVideoByIdsFunc //获取视频数据源
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}
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func InitDefaultMediaFiller() {
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defaultMediaFiller = &MediaFiller{}
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}
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func SetGetImageByIdsFunc(getImageByIdsFunc GetImageByIdsFunc) {
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defaultMediaFiller.getImageByIds = getImageByIdsFunc
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}
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func SetGetVideoByIdsFunc(getVideoByIdsFunc GetVideoByIdsFunc) {
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defaultMediaFiller.getVideoByIds = getVideoByIdsFunc
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}
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func SetFileServerDomainName(fileServerDomainName string) {
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defaultMediaFiller.fileServerDomainName = fileServerDomainName
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}
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func (p *MediaFiller) GetFileServerDomain() string {
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return defaultMediaFiller.fileServerDomainName
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}
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func FillEntity(ctx *gin.Context, entity MediaFillable) error {
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videoIds := entity.GetVideoIds()
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videoMap, err := getVideoMapByIds(ctx, videoIds)
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if err != nil {
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logger.Error("mediafiller component getVideoMapByIds failed : %v", err)
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return err
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}
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imageIds := entity.GetImageIds()
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// 获取视频封面
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for _, v := range videoMap {
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imageIds = append(imageIds, v.CoverId)
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}
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imageMap, err := getImageMapByIds(ctx, imageIds)
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if err != nil {
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logger.Error("mediafiller component getImageMapByIds failed : %v", err)
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return err
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}
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images := make([]*dbstruct.ToCImage, 0)
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videos := make([]*dbstruct.ToCVideo, 0)
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for _, imageId := range imageIds {
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if image, ok := imageMap[imageId]; ok {
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images = append(images, transToCImage(image))
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}
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}
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for _, videoId := range videoIds {
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if video, ok := videoMap[videoId]; ok {
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videos = append(videos, transToCVideo(video, imageMap[video.CoverId]))
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}
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}
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entity.SetImages(images)
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entity.SetVideos(videos)
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return nil
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}
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func FillList(ctx *gin.Context, list []MediaFillable) error {
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imageIds := make([]int64, 0)
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videoIds := make([]int64, 0)
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for _, v := range list {
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imageIds = append(imageIds, v.GetImageIds()...)
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videoIds = append(videoIds, v.GetVideoIds()...)
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}
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videoMap, err := getVideoMapByIds(ctx, videoIds)
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if err != nil {
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logger.Error("mediafiller component getVideoMapByIds failed : %v", err)
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return err
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}
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// 获取视频封面
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for _, v := range videoMap {
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imageIds = append(imageIds, v.CoverId)
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}
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imageMap, err := getImageMapByIds(ctx, imageIds)
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if err != nil {
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logger.Error("mediafiller component getImageMapByIds failed : %v", err)
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return err
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}
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for _, v := range list {
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images := make([]*dbstruct.ToCImage, 0)
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videos := make([]*dbstruct.ToCVideo, 0)
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for _, imageId := range v.GetImageIds() {
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if image, ok := imageMap[imageId]; ok {
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images = append(images, transToCImage(image))
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}
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}
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for _, videoId := range v.GetVideoIds() {
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if video, ok := videoMap[videoId]; ok {
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videos = append(videos, transToCVideo(video, imageMap[video.CoverId]))
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}
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}
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v.SetImages(images)
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v.SetVideos(videos)
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}
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return nil
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}
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