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[#1070] pilorama: Fix cycling behaviour for sorted listing

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In case there are no items left, return empty slice.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
This commit is contained in:
Evgenii Stratonikov 2024-04-02 15:02:14 +03:00 committed by Evgenii Stratonikov
parent 4080b99310
commit 17af91619a
1 changed files with 13 additions and 9 deletions
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22
pkg/local_object_storage/pilorama/boltdb.go
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@ -1069,15 +1069,7 @@ func (t *boltForest) TreeSortedByFilename(ctx context.Context, cid cidSDK.ID, tr
}
if fewChildren {
sort.Slice(result, func(i, j int) bool {
return bytes.Compare(result[i].Meta.GetAttr(AttributeFilename), result[j].Meta.GetAttr(AttributeFilename)) == -1
})
for i := range result {
if bytes.Compare([]byte(last), result[i].Meta.GetAttr(AttributeFilename)) == -1 {
result = result[i:]
break
}
}
result = sortAndCut(result, []byte(last))
}
if len(result) != 0 {
last = string(result[len(result)-1].Meta.GetAttr(AttributeFilename))
@ -1085,6 +1077,18 @@ func (t *boltForest) TreeSortedByFilename(ctx context.Context, cid cidSDK.ID, tr
return result, last, metaerr.Wrap(err)
}
func sortAndCut(result []NodeInfo, last []byte) []NodeInfo {
sort.Slice(result, func(i, j int) bool {
return bytes.Compare(result[i].Meta.GetAttr(AttributeFilename), result[j].Meta.GetAttr(AttributeFilename)) == -1
})
for i := range result {
if bytes.Compare(last, result[i].Meta.GetAttr(AttributeFilename)) == -1 {
return result[i:]
}
}
return nil
}
func (t *boltForest) getChildInfo(b *bbolt.Bucket, key []byte, childID Node) (NodeInfo, error) {
childInfo := NodeInfo{ID: childID}
parentID, _, metaBytes, found := t.getState(b, stateKey(key, childID))