fix(files): fetch nodes if we have multiple of the same fileid in the store

Signed-off-by: skjnldsv <skjnldsv@protonmail.com>

Author: skjnldsv

apps/files/src/store/files.ts

@@ -2,14 +2,30 @@
  * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
-import type { Folder, Node } from '@nextcloud/files'
+
 import type { FilesStore, RootsStore, RootOptions, Service, FilesState, FileSource } from '../types'
+import type { FileStat, ResponseDataDetailed } from 'webdav'
+import type { Folder, Node } from '@nextcloud/files'
 
 import { defineStore } from 'pinia'
-import { subscribe } from '@nextcloud/event-bus'
+import { subscribe, emit } from '@nextcloud/event-bus'
+import { davGetDefaultPropfind, davResultToNode, davRootPath } from '@nextcloud/files'
 import logger from '../logger'
 import Vue from 'vue'
 
+import { client } from '../services/WebdavClient.ts'
+
+window.emitEvent = emit
+
+const fetchNode = async (node: Node): Promise<Node> => {
+	const propfindPayload = davGetDefaultPropfind()
+	const result = await client.stat(`${davRootPath}${node.path}`, {
+		details: true,
+		data: propfindPayload,
+	}) as ResponseDataDetailed<FileStat>
+	return davResultToNode(result.data)
+}
+
 export const useFilesStore = function(...args) {
 	const store = defineStore('files', {
 		state: (): FilesState => ({
@@ -31,6 +47,13 @@ export const useFilesStore = function(...args) {
 				.map(source => state.files[source])
 				.filter(Boolean),
 
+			/**
+			 * Get files or folders by their file ID
+			 * Multiple nodes can have the same file ID but different sources
+			 * (e.g. in a shared context)
+			 */
+			getNodesById: (state) => (fileId: number): Node[] => Object.values(state.files).filter(node => node.fileid === fileId),
+
 			/**
 			 * Get the root folder of a service
 			 */
@@ -73,8 +96,28 @@ export const useFilesStore = function(...args) {
 				this.updateNodes([node])
 			},
 
-			onUpdatedNode(node: Node) {
-				this.updateNodes([node])
+			async onUpdatedNode(node: Node) {
+				if (!node.fileid) {
+					logger.error('Trying to update/set a node without fileid', { node })
+					return
+				}
+
+				// If we have multiple nodes with the same file ID, we need to update all of them
+				const nodes = this.getNodesById(node.fileid)
+				if (nodes.length > 1) {
+					await Promise.all(nodes.map(fetchNode)).then(this.updateNodes)
+					logger.debug(nodes.length + ' nodes updated in store', { fileid: node.fileid })
+					return
+				}
+
+				// If we have only one node with the file ID, we can update it directly
+				if (node.source === nodes[0].source) {
+					this.updateNodes([node])
+					return
+				}
+
+				// Otherwise, it means we receive an event for a node that is not in the store
+				fetchNode(node).then(n => this.updateNodes([n]))
 			},
 		},
 	})