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handler-uuid-datasource.go
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handler-uuid-datasource.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"
"github.com/micro/go-micro/errors"
"github.com/pydio/cells/common"
"github.com/pydio/cells/common/proto/tree"
)
func NewUuidDataSourceHandler() *UuidDataSourceHandler {
bt := &UuidDataSourceHandler{}
bt.inputMethod = bt.updateInputBranch
bt.outputMethod = bt.updateOutputNode
return bt
}
type UuidDataSourceHandler struct {
AbstractBranchFilter
}
func (v *UuidDataSourceHandler) updateInputBranch(ctx context.Context, node *tree.Node, identifier string) (context.Context, *tree.Node, error) {
branchInfo, ok := GetBranchInfo(ctx, identifier)
if !ok {
return ctx, node, errors.InternalServerError(VIEWS_LIBRARY_NAME, "Cannot find branch info for node")
}
if branchInfo.Client != nil {
// DS is already set by a previous middleware, ignore.
return ctx, node, nil
}
dsName := node.GetStringMeta(common.META_NAMESPACE_DATASOURCE_NAME)
dsPath := node.GetStringMeta(common.META_NAMESPACE_DATASOURCE_PATH)
if len(dsPath) == 0 || len(dsName) == 0 {
// Ignore this step
return ctx, node, nil
}
source, e := v.clientsPool.GetDataSourceInfo(dsName)
if e != nil {
return ctx, node, e
}
branchInfo.LoadedSource = source
ctx = WithBranchInfo(ctx, identifier, branchInfo)
return ctx, node, nil
}
func (v *UuidDataSourceHandler) updateOutputNode(ctx context.Context, node *tree.Node, identifier string) (context.Context, *tree.Node, error) {
return ctx, node, nil
}