45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
package getsvc
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import (
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"context"
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objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
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oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
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)
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func (a *assembler) assembleHeader(ctx context.Context, writer ObjectWriter) (*objectSDK.Object, error) {
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var sourceObjectIDs []oid.ID
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sourceObjectID, ok := a.splitInfo.Link()
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if ok {
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sourceObjectIDs = append(sourceObjectIDs, sourceObjectID)
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}
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sourceObjectID, ok = a.splitInfo.LastPart()
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if ok {
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sourceObjectIDs = append(sourceObjectIDs, sourceObjectID)
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}
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if len(sourceObjectIDs) == 0 {
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return nil, objectSDK.NewSplitInfoError(a.splitInfo)
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}
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for _, sourceObjectID = range sourceObjectIDs {
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obj, err := a.getParent(ctx, sourceObjectID, writer)
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if err == nil {
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return obj, nil
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}
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}
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return nil, objectSDK.NewSplitInfoError(a.splitInfo)
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}
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func (a *assembler) getParent(ctx context.Context, sourceObjectID oid.ID, writer ObjectWriter) (*objectSDK.Object, error) {
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obj, err := a.objGetter.HeadObject(ctx, sourceObjectID)
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if err != nil {
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return nil, err
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}
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parent := obj.Parent()
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if parent == nil {
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return nil, objectSDK.NewSplitInfoError(a.splitInfo)
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}
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if err := writer.WriteHeader(ctx, parent); err != nil {
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return nil, err
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}
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return obj, nil
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}
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