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handler-uuid-multiple-roots.go
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handler-uuid-multiple-roots.go
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/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package views
import (
"context"
"strings"
"github.com/micro/go-micro/errors"
"github.com/pydio/cells/common/log"
"github.com/pydio/cells/common/proto/tree"
)
type UuidRootsHandler struct {
AbstractBranchFilter
}
func NewUuidRootsHandler() *UuidRootsHandler {
u := &UuidRootsHandler{}
u.inputMethod = u.updateInputBranch
u.outputMethod = u.updateOutputBranch
return u
}
func (h *UuidRootsHandler) updateInputBranch(ctx context.Context, node *tree.Node, identifier string) (context.Context, *tree.Node, error) {
return ctx, node, nil
}
func (h *UuidRootsHandler) updateOutputBranch(ctx context.Context, node *tree.Node, identifier string) (context.Context, *tree.Node, error) {
// Rebuild the path now
branch, set := GetBranchInfo(ctx, identifier)
if !set || branch.UUID == "ROOT" {
return ctx, node, nil
}
if len(branch.RootNodes) == 0 {
return ctx, node, errors.InternalServerError(VIEWS_LIBRARY_NAME, "Cannot find roots for workspace")
}
multiRootKey := ""
var detectedRoot *tree.Node
if len(branch.RootNodes) > 1 {
// Root is not set, find it now
wsRoots, err := h.rootKeysMap(branch.RootNodes)
if err != nil {
return ctx, node, err
}
for _, rNode := range wsRoots {
if strings.HasPrefix(node.Path, rNode.Path) {
detectedRoot = rNode
break
}
}
if detectedRoot == nil {
return ctx, node, errors.InternalServerError(VIEWS_LIBRARY_NAME, "Cannot find root node in workspace, this should not happen")
}
multiRootKey = h.makeRootKey(detectedRoot) + "/"
} else {
var err error
detectedRoot, err = h.getRoot(branch.RootNodes[0])
if err != nil {
return ctx, node, err
}
}
log.Logger(ctx).Debug(multiRootKey)
//node.Path = branch.Slug + "/" + multiRootKey + strings.TrimLeft(strings.TrimPrefix(node.Path, detectedRoot.Path), "/")
return ctx, node, nil
}