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/**
* @copyright Copyright (c) 2023 John Molakvoæ <skjnldsv@protonmail.com>
*
* @author John Molakvoæ <skjnldsv@protonmail.com>
*
* @license AGPL-3.0-or-later
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
import type { Folder, Node } from '@nextcloud/files'
import { Permission } from '@nextcloud/files'
import PQueue from 'p-queue'
// This is the processing queue. We only want to allow 3 concurrent requests
let queue: PQueue
/**
* Get the processing queue
*/
export const getQueue = () => {
if (!queue) {
queue = new PQueue({ concurrency: 3 })
}
return queue
}
type ShareAttribute = {
enabled: boolean
key: string
scope: string
}
export enum MoveCopyAction {
MOVE = 'Move',
COPY = 'Copy',
MOVE_OR_COPY = 'move-or-copy',
}
export type MoveCopyResult = {
destination: Folder
action: MoveCopyAction.COPY | MoveCopyAction.MOVE
}
export const canMove = (nodes: Node[]) => {
const minPermission = nodes.reduce((min, node) => Math.min(min, node.permissions), Permission.ALL)
return (minPermission & Permission.UPDATE) !== 0
}
export const canDownload = (nodes: Node[]) => {
return nodes.every(node => {
const shareAttributes = JSON.parse(node.attributes?.['share-attributes'] ?? '[]') as Array<ShareAttribute>
return !shareAttributes.some(attribute => attribute.scope === 'permissions' && attribute.enabled === false && attribute.key === 'download')
})
}
export const canCopy = (nodes: Node[]) => {
// For now the only restriction is that a shared file
// cannot be copied if the download is disabled
return canDownload(nodes)
}
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