Merge pull request #795 from nextcloud-libraries/feat/guest-user

Author: skjnldsv

lib/guest.ts

@@ -3,20 +3,68 @@
  * SPDX-License-Identifier: GPL-3.0-or-later
  */
 import { getBuilder } from '@nextcloud/browser-storage'
+import { NextcloudUser } from './user'
+import { emit } from '@nextcloud/event-bus'
 
 const browserStorage = getBuilder('public').persist().build()
 
+class GuestUser implements NextcloudUser {
+
+	private _displayName: string | null
+	readonly uid: string
+	readonly isAdmin: boolean
+
+	constructor() {
+		if (!browserStorage.getItem('guestUid')) {
+			browserStorage.setItem('guestUid', self.crypto.randomUUID())
+		}
+
+		this._displayName = browserStorage.getItem('guestNickname') || ''
+		this.uid = browserStorage.getItem('guestUid') || self.crypto.randomUUID()
+		this.isAdmin = false
+
+	}
+
+	get displayName(): string | null {
+		return this._displayName
+	}
+
+	set displayName(displayName: string) {
+		this._displayName = displayName
+		browserStorage.setItem('guestNickname', displayName)
+		emit('user:info:changed', this)
+	}
+
+}
+
+let currentUser: GuestUser | undefined
+
+/**
+ * Get the currently Guest user or null if not logged in
+ */
+export function getGuestUser(): GuestUser {
+	if (!currentUser) {
+		currentUser = new GuestUser()
+	}
+
+	return currentUser
+}
+
 /**
  * Get the guest nickname for public pages
  */
 export function getGuestNickname(): string | null {
-	return browserStorage.getItem('guestNickname')
+	return getGuestUser()?.displayName || null
 }
 
 /**
  * Set the guest nickname for public pages
  * @param nickname The nickname to set
  */
 export function setGuestNickname(nickname: string): void {
-	browserStorage.setItem('guestNickname', nickname)
+	if (!nickname || nickname.trim().length === 0) {
+		throw new Error('Nickname cannot be empty')
+	}
+
+	getGuestUser().displayName = nickname
 }

lib/index.ts

@@ -6,6 +6,6 @@ export type { CsrfTokenObserver } from './requesttoken'
 export type { NextcloudUser } from './user'
 
 export { getCSPNonce } from './csp-nonce'
-export { getGuestNickname, setGuestNickname } from './guest'
+export { getGuestUser, getGuestNickname, setGuestNickname } from './guest'
 export { getRequestToken, onRequestTokenUpdate } from './requesttoken'
 export { getCurrentUser } from './user'