forked from TrueCloudLab/frostfs-node
719075ca97
Wrong boolean operation order made matcher return false on `non-root` search query with non-regular objects. Instead it should return true for `non-root` query and false for `root` query. Signed-off-by: Alex Vanin <alexey@nspcc.ru>
90 lines
2.2 KiB
Go
90 lines
2.2 KiB
Go
package query
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import (
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"encoding/hex"
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"github.com/nspcc-dev/neofs-api-go/pkg/container"
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objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
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"github.com/nspcc-dev/neofs-api-go/pkg/owner"
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"github.com/nspcc-dev/neofs-node/pkg/core/object"
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"github.com/nspcc-dev/neofs-node/pkg/services/object/search/query"
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)
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type Query struct {
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filters objectSDK.SearchFilters
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}
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func New(filters objectSDK.SearchFilters) query.Query {
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return &Query{
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filters: filters,
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}
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}
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func idValue(id *objectSDK.ID) string {
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return hex.EncodeToString(id.ToV2().GetValue())
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}
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func cidValue(id *container.ID) string {
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return hex.EncodeToString(id.ToV2().GetValue())
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}
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func ownerIDValue(id *owner.ID) string {
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return hex.EncodeToString(id.ToV2().GetValue())
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}
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func (q *Query) Match(obj *object.Object, handler func(*objectSDK.ID)) {
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for par := (*object.Object)(nil); obj != nil; par, obj = obj, obj.GetParent() {
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match := true
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for i := 0; match && i < len(q.filters); i++ {
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switch typ := q.filters[i].Operation(); typ {
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default:
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match = false
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case objectSDK.MatchStringEqual:
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switch key := q.filters[i].Header(); key {
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default:
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match = headerEqual(obj, key, q.filters[i].Value())
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case objectSDK.KeyRoot:
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match = (q.filters[i].Value() == objectSDK.ValRoot) == (!obj.HasParent() &&
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obj.GetType() == objectSDK.TypeRegular)
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case objectSDK.KeyLeaf:
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match = (q.filters[i].Value() == objectSDK.ValLeaf) == (par == nil)
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}
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}
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}
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if match {
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handler(obj.GetID())
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}
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}
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}
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func headerEqual(obj *object.Object, key, value string) bool {
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switch key {
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default:
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for _, attr := range obj.GetAttributes() {
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if attr.GetKey() == key && attr.GetValue() == value {
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return true
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}
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}
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return false
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case objectSDK.HdrSysNameID:
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return value == idValue(obj.GetID())
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case objectSDK.HdrSysNameCID:
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return value == cidValue(obj.GetContainerID())
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case objectSDK.HdrSysNameOwnerID:
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return value == ownerIDValue(obj.GetOwnerID())
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case keyNoChildrenField:
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return len(obj.GetChildren()) == 0
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case keyParentIDField:
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return idValue(obj.GetParentID()) == value
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case keyParentField:
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return len(obj.GetChildren()) > 0
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// TODO: add other headers
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}
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}
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func (q *Query) ToSearchFilters() objectSDK.SearchFilters {
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return q.filters
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}
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