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Code Issues Releases Activity

Minor Badger refactoring

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This commit is contained in:
Maksym Pavlenko
2020-02-08 14:35:37 -08:00
committed by Maksym Pavlenko
parent 5f62b4588f
commit ce02bb1f88
1 changed files with 15 additions and 19 deletions
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pkg/storage/badger.go
+15 -19
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@@ -115,15 +115,7 @@ func (b *Badger) GetFeed(_ context.Context, feedID string) (*model.Feed, error)
}
// Query episodes
opts := badger.DefaultIteratorOptions
opts.Prefix = b.getKey(episodePrefix, feedID)
opts.PrefetchValues = true
if err := b.iterator(txn, opts, func(item *badger.Item) error {
episode := &model.Episode{}
if err := b.getObj(txn, item.Key(), &episode); err != nil {
return err
}
if err := b.walkEpisodes(txn, feedID, func(episode *model.Episode) error {
feed.Episodes = append(feed.Episodes, episode)
return nil
}); err != nil {
@@ -215,17 +207,21 @@ func (b *Badger) UpdateEpisode(feedID string, episodeID string, cb func(episode
func (b *Badger) WalkEpisodes(ctx context.Context, feedID string, cb func(episode *model.Episode) error) error {
return b.db.View(func(txn *badger.Txn) error {
opts := badger.DefaultIteratorOptions
opts.Prefix = b.getKey(episodePrefix, feedID)
opts.PrefetchValues = true
return b.iterator(txn, opts, func(item *badger.Item) error {
feed := &model.Episode{}
if err := b.unmarshalObj(item, feed); err != nil {
return err
}
return b.walkEpisodes(txn, feedID, cb)
})
}
return cb(feed)
})
func (b *Badger) walkEpisodes(txn *badger.Txn, feedID string, cb func(episode *model.Episode) error) error {
opts := badger.DefaultIteratorOptions
opts.Prefix = b.getKey(episodePrefix, feedID)
opts.PrefetchValues = true
return b.iterator(txn, opts, func(item *badger.Item) error {
feed := &model.Episode{}
if err := b.unmarshalObj(item, feed); err != nil {
return err
}
return cb(feed)
})
}