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handler-sync-folder-tasks.go
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/
handler-sync-folder-tasks.go
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package views
import (
"context"
"fmt"
"path"
"strings"
"time"
"github.com/micro/go-micro/client"
"go.uber.org/zap"
"github.com/pydio/cells/common"
"github.com/pydio/cells/common/log"
"github.com/pydio/cells/common/proto/tree"
)
// SyncFolderTasksHandler is a handler implementing synchronous operations for moving or deleting folders
type SyncFolderTasksHandler struct {
AbstractHandler
}
// DeleteNode synchronously and recursively delete a node
func (h *SyncFolderTasksHandler) DeleteNode(ctx context.Context, in *tree.DeleteNodeRequest, opts ...client.CallOption) (*tree.DeleteNodeResponse, error) {
node := in.Node
var err error
if node.IsLeaf() {
_, err = h.next.DeleteNode(ctx, &tree.DeleteNodeRequest{Node: node.Clone()})
} else {
pFile := path.Join(node.Path, common.PYDIO_SYNC_HIDDEN_FILE_META)
// Now list all children and delete them all
stream, err := h.next.ListNodes(ctx, &tree.ListNodesRequest{Node: node, Recursive: true})
if err != nil {
return nil, err
}
defer stream.Close()
for {
resp, e := stream.Recv()
if e != nil {
break
}
if resp == nil {
continue
}
if resp.Node.Path == pFile {
continue
}
if !resp.Node.IsLeaf() {
// resp.Node.Path = path.Join(resp.Node.Path, common.PYDIO_SYNC_HIDDEN_FILE_META)
// resp.Node.Type = tree.NodeType_LEAF
continue
}
if _, err := h.next.DeleteNode(ctx, &tree.DeleteNodeRequest{Node: resp.Node}); err != nil {
log.Logger(ctx).Error("Error while deleting node child " + err.Error())
return nil, err
}
}
fakeChild := node.Clone()
fakeChild.Path = pFile
initMetaPath := fakeChild.GetStringMeta(common.META_NAMESPACE_DATASOURCE_PATH)
fakeChild.SetMeta(common.META_NAMESPACE_DATASOURCE_PATH, path.Join(initMetaPath, common.PYDIO_SYNC_HIDDEN_FILE_META))
_, err = h.next.DeleteNode(ctx, &tree.DeleteNodeRequest{Node: fakeChild})
}
if err != nil {
return nil, err
} else {
return &tree.DeleteNodeResponse{Success: true}, nil
}
}
// UpdateNode synchronously and recursively performs a Move operation of a node
func (h *SyncFolderTasksHandler) UpdateNode(ctx context.Context, in *tree.UpdateNodeRequest, opts ...client.CallOption) (*tree.UpdateNodeResponse, error) {
fmt.Println("Updating node in here")
source := in.From
target := in.To
status := make(chan string)
progress := make(chan float32)
done := make(chan bool)
// Transform identifier from => in
if f, ok := GetBranchInfo(ctx, "from"); ok {
ctx = WithBranchInfo(ctx, "in", f)
// Make sure DATASOURCE_NAME is set
if source.GetStringMeta(common.META_NAMESPACE_DATASOURCE_NAME) == "" {
log.Logger(ctx).Info("[SyncFolderTasksHandler] Updating DS name in Source")
source.SetMeta(common.META_NAMESPACE_DATASOURCE_NAME, f.Name)
}
}
go func() {
for {
select {
case <-done:
return
case s := <-status:
if !strings.HasPrefix(s, "Copying ") {
log.Logger(ctx).Info(s)
} else {
log.Logger(ctx).Debug(s)
}
case pg := <-progress:
log.Logger(ctx).Debug("progress", zap.Float32("pg", pg))
}
}
}()
// TODO CHECK ACLs TO MAKE SURE THE WHOLE TREE IS MOVABLE
log.Logger(ctx).Info("Should Copy/Move", source.Zap("from"), target.Zap("target"))
err := CopyMoveNodes(ctx, h.next, source, target, true, true, false, status, progress)
close(done)
close(status)
close(progress)
if err != nil {
return nil, err
}
// Build a fake output node
out := source.Clone()
out.Path = target.Path
out.MTime = time.Now().Unix()
return &tree.UpdateNodeResponse{
Node: out,
Success: true,
}, nil
}