frostfs-http-gw/internal/frostfs/services/pool_wrapper.go

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package services
import (
"context"
"errors"
"fmt"
"git.frostfs.info/TrueCloudLab/frostfs-http-gw/tokens"
"git.frostfs.info/TrueCloudLab/frostfs-http-gw/tree"
treepool "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/pool/tree"
grpcService "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/pool/tree/service"
)
type GetNodeByPathResponseInfoWrapper struct {
response *grpcService.GetNodeByPathResponse_Info
}
func (n GetNodeByPathResponseInfoWrapper) GetNodeID() uint64 {
return n.response.GetNodeId()
}
func (n GetNodeByPathResponseInfoWrapper) GetParentID() uint64 {
return n.response.GetParentId()
}
func (n GetNodeByPathResponseInfoWrapper) GetTimestamp() uint64 {
return n.response.GetTimestamp()
}
func (n GetNodeByPathResponseInfoWrapper) GetMeta() []tree.Meta {
res := make([]tree.Meta, len(n.response.Meta))
for i, value := range n.response.Meta {
res[i] = value
}
return res
}
type PoolWrapper struct {
p *treepool.Pool
}
func NewPoolWrapper(p *treepool.Pool) *PoolWrapper {
return &PoolWrapper{p: p}
}
func (w *PoolWrapper) GetNodes(ctx context.Context, prm *tree.GetNodesParams) ([]tree.NodeResponse, error) {
poolPrm := treepool.GetNodesParams{
CID: prm.CnrID,
TreeID: prm.TreeID,
Path: prm.Path,
Meta: prm.Meta,
PathAttribute: tree.FileNameKey,
LatestOnly: prm.LatestOnly,
AllAttrs: prm.AllAttrs,
BearerToken: getBearer(ctx),
}
nodes, err := w.p.GetNodes(ctx, poolPrm)
if err != nil {
return nil, handleError(err)
}
res := make([]tree.NodeResponse, len(nodes))
for i, info := range nodes {
res[i] = GetNodeByPathResponseInfoWrapper{info}
}
return res, nil
}
func getBearer(ctx context.Context) []byte {
token, err := tokens.LoadBearerToken(ctx)
if err != nil {
return nil
}
return token.Marshal()
}
func handleError(err error) error {
if err == nil {
return nil
}
if errors.Is(err, treepool.ErrNodeNotFound) {
return fmt.Errorf("%w: %s", tree.ErrNodeNotFound, err.Error())
}
if errors.Is(err, treepool.ErrNodeAccessDenied) {
return fmt.Errorf("%w: %s", tree.ErrNodeAccessDenied, err.Error())
}
return err
}