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provider.go
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provider.go
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/*
* Copyright (c) 2019-2021. 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 templates
import (
"context"
"github.com/pydio/cells/v4/common/service/errors"
)
var (
registeredDAOs []DAO
provider *TemplateProvider
)
func RegisterProvider(provider DAO) {
registeredDAOs = append(registeredDAOs, provider)
}
func GetProvider() DAO {
if provider == nil {
provider = new(TemplateProvider)
}
return provider
}
type TemplateProvider struct {
}
func (t *TemplateProvider) List(ctx context.Context) ([]Node, error) {
var nodes []Node
for _, dao := range registeredDAOs {
nn, e := dao.List(ctx)
if e != nil {
return nil, e
}
nodes = append(nodes, nn...)
}
return nodes, nil
}
func (t *TemplateProvider) ByUUID(ctx context.Context, uuid string) (Node, error) {
var node Node
for _, dao := range registeredDAOs {
if n, e := dao.ByUUID(ctx, uuid); e == nil {
node = n
break
}
}
if node == nil {
return nil, errors.NotFound("template.not.found", "Cannot find template with this identifier")
} else {
return node, nil
}
}