91 lines
2.7 KiB
Go
91 lines
2.7 KiB
Go
package logic
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import (
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"context"
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"strings"
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"time"
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"go.uber.org/zap"
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infmedia "spark-server/internal/infrastructure/media"
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squareentity "spark-server/internal/module/square/entity"
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uploadentity "spark-server/internal/module/upload/entity"
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"spark-server/internal/pkg/reqctx"
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)
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// ObjectStore writes compressed bot assets before square publish.
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type ObjectStore interface {
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Put(ctx context.Context, key string, body []byte, contentType string) error
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PutLarge(ctx context.Context, key string, body []byte, contentType string, maxBytes int) error
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}
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// BindMedia attaches optional compressor + object store for RSS enclosure images/videos.
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func (s *Service) BindMedia(comp *MediaCompressor, store ObjectStore, botCompress bool) {
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if s == nil {
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return
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}
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s.comp = comp
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s.store = store
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s.botCompress = botCompress
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}
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// attachMedia downloads/compresses optional enclosure and returns square Image refs (best-effort).
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func (s *Service) attachMedia(ctx context.Context, item FeedItem) []*squareentity.Image {
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if s == nil || !s.botCompress || s.comp == nil || s.store == nil {
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return nil
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}
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imgURL := strings.TrimSpace(item.ImageURL)
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if imgURL == "" {
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return nil
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}
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asset, err := s.comp.FetchImage(ctx, imgURL)
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if err != nil {
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s.log.Warn("squarebot compress image", zap.String("url", imgURL), zap.Error(err))
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return nil
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}
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ext := extForMIME(asset.MIME)
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key := uploadentity.BuildObjectKey(
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uploadentity.PurposeSquareImage, 0, reqctx.NewObjectName(),
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time.Now().UTC().Format("20060102"), ext,
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)
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if err := s.store.Put(ctx, key, asset.Data, asset.MIME); err != nil {
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s.log.Warn("squarebot put image", zap.String("key", key), zap.Error(err))
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return nil
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}
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return []*squareentity.Image{{
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Key: key, Mime: asset.MIME, Width: asset.Width, Height: asset.Height, Size: asset.Size,
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}}
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}
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// PrepareVideoAsset compresses a remote video and uploads it (bot video paths; requires ffmpeg).
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func (s *Service) PrepareVideoAsset(ctx context.Context, videoURL string) (*infmedia.BotAsset, string, error) {
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if s == nil || !s.botCompress || s.comp == nil || s.store == nil {
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return nil, "", nil
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}
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asset, err := s.comp.FetchVideo(ctx, videoURL)
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if err != nil {
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return nil, "", err
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}
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key := uploadentity.BuildObjectKey(
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uploadentity.PurposeSquareVideo, 0, reqctx.NewObjectName(),
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time.Now().UTC().Format("20060102"), "mp4",
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)
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if err := s.store.PutLarge(ctx, key, asset.Data, asset.MIME, int(asset.Size)+1); err != nil {
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return nil, "", err
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}
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return asset, key, nil
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}
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func extForMIME(mime string) string {
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switch strings.ToLower(strings.TrimSpace(mime)) {
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case "image/png":
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return "png"
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case "image/gif":
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return "gif"
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case "image/webp":
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return "webp"
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default:
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return "jpg"
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}
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}
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