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/**
* SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
import type { TreeNode } from '../services/FolderTree.ts'
import PQueue from 'p-queue'
import { Folder, Node, View, getNavigation } from '@nextcloud/files'
import { translate as t } from '@nextcloud/l10n'
import { emit, subscribe } from '@nextcloud/event-bus'
import { isSamePath } from '@nextcloud/paths'
import { loadState } from '@nextcloud/initial-state'
import FolderSvg from '@mdi/svg/svg/folder.svg?raw'
import FolderMultipleSvg from '@mdi/svg/svg/folder-multiple.svg?raw'
import {
encodeSource,
folderTreeId,
getContents,
getFolderTreeNodes,
getFolderTreeParentId,
getFolderTreeViewId,
getSourceParent,
sourceRoot,
} from '../services/FolderTree.ts'
const isFolderTreeEnabled = loadState('files', 'config', { folder_tree: true }).folder_tree
const Navigation = getNavigation()
const queue = new PQueue({ concurrency: 5, intervalCap: 5, interval: 200 })
const registerQueue = new PQueue({ concurrency: 5, intervalCap: 5, interval: 200 })
const registerTreeNodes = async (path: string = '/') => {
await queue.add(async () => {
const nodes = await getFolderTreeNodes(path)
const promises = nodes.map(node => registerQueue.add(() => registerTreeNodeView(node)))
await Promise.allSettled(promises)
})
}
const getLoadChildViews = (node: TreeNode | Folder) => {
return async (view: View): Promise<void> => {
// @ts-expect-error Custom property on View instance
if (view.loading || view.loaded) {
return
}
// @ts-expect-error Custom property
view.loading = true
await registerTreeNodes(node.path)
// @ts-expect-error Custom property
view.loading = false
// @ts-expect-error Custom property
view.loaded = true
// @ts-expect-error No payload
emit('files:navigation:updated')
// @ts-expect-error No payload
emit('files:folder-tree:expanded')
}
}
const registerTreeNodeView = (node: TreeNode) => {
Navigation.register(new View({
id: encodeSource(node.source),
parent: getSourceParent(node.source),
name: node.displayName ?? node.basename,
icon: FolderSvg,
order: 0, // TODO Allow undefined order for natural sort
getContents,
loadChildViews: getLoadChildViews(node),
params: {
view: folderTreeId,
fileid: String(node.fileid), // Needed for matching exact routes
dir: node.path,
},
}))
}
const registerFolderView = (folder: Folder) => {
Navigation.register(new View({
id: getFolderTreeViewId(folder),
parent: getFolderTreeParentId(folder),
name: folder.displayname,
icon: FolderSvg,
order: 0, // TODO Allow undefined order for natural sort
getContents,
loadChildViews: getLoadChildViews(folder),
params: {
view: folderTreeId,
fileid: String(folder.fileid),
dir: folder.path,
},
}))
}
const removeFolderView = (folder: Folder) => {
const viewId = getFolderTreeViewId(folder)
Navigation.remove(viewId)
}
const removeFolderViewSource = (source: string) => {
Navigation.remove(source)
}
const onCreateNode = (node: Node) => {
if (!(node instanceof Folder)) {
return
}
registerFolderView(node)
}
const onDeleteNode = (node: Node) => {
if (!(node instanceof Folder)) {
return
}
removeFolderView(node)
}
const onMoveNode = ({ node, oldSource }) => {
if (!(node instanceof Folder)) {
return
}
removeFolderViewSource(oldSource)
registerFolderView(node)
const newPath = node.source.replace(sourceRoot, '')
const oldPath = oldSource.replace(sourceRoot, '')
const childViews = Navigation.views.filter(view => {
if (!view.params?.dir) {
return false
}
if (isSamePath(view.params.dir, oldPath)) {
return false
}
return view.params.dir.startsWith(oldPath)
})
for (const view of childViews) {
// @ts-expect-error FIXME Allow setting parent
view.parent = getFolderTreeParentId(node)
// @ts-expect-error dir param is defined
view.params.dir = view.params.dir.replace(oldPath, newPath)
}
}
const registerFolderTreeRoot = () => {
Navigation.register(new View({
id: folderTreeId,
name: t('files', 'All folders'),
caption: t('files', 'List of your files and folders.'),
icon: FolderMultipleSvg,
order: 50, // Below all other views
getContents,
}))
}
const registerFolderTreeChildren = async () => {
await registerTreeNodes()
subscribe('files:node:created', onCreateNode)
subscribe('files:node:deleted', onDeleteNode)
subscribe('files:node:moved', onMoveNode)
// @ts-expect-error No payload
emit('files:folder-tree:initialized')
}
export const registerFolderTreeView = async () => {
if (!isFolderTreeEnabled) {
return
}
registerFolderTreeRoot()
await registerFolderTreeChildren()
}
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