/
fetch_media_item.go
37 lines (30 loc) · 1.24 KB
/
fetch_media_item.go
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package media
import (
"context"
"fmt"
"github.com/google/uuid"
"github.com/samber/lo"
"github.com/sparkymat/currents/internal/dbx"
)
func (s *Service) FetchMediaItem(ctx context.Context, userID uuid.UUID, mediaItemID uuid.UUID) (dbx.MediaItem, []dbx.MediaItemTopic, map[uuid.UUID]dbx.Topic, error) {
item, err := s.db.FetchMediaItemForUser(ctx, dbx.FetchMediaItemForUserParams{
MediaItemID: mediaItemID,
UserID: userID,
})
if err != nil {
return dbx.MediaItem{}, []dbx.MediaItemTopic{}, map[uuid.UUID]dbx.Topic{}, fmt.Errorf("error fetching media item: %w", err)
}
mediaItemTopics, err := s.db.FetchMediaItemTopicsForMediaItem(ctx, dbx.FetchMediaItemTopicsForMediaItemParams{
UserID: userID,
MediaItemID: mediaItemID,
})
if err != nil {
return dbx.MediaItem{}, []dbx.MediaItemTopic{}, map[uuid.UUID]dbx.Topic{}, fmt.Errorf("error fetching topics for media item: %w", err)
}
topics, err := s.db.FetchTopicsByID(ctx, dbx.FetchTopicsByIDParams{
UserID: userID,
TopicIds: lo.Map(mediaItemTopics, func(item dbx.MediaItemTopic, _ int) uuid.UUID { return item.TopicID }),
})
topicsMap := lo.SliceToMap(topics, func(item dbx.Topic) (uuid.UUID, dbx.Topic) { return item.ID, item })
return item, mediaItemTopics, topicsMap, nil
}