desktop-mode / includes / seen-intros.php

seen-intros.php in OpenStation: Desktop Windows, Dock & Virtual Desktops for WP Admin 0.8.8, at includes/seen-intros.php

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1	<?php
2	/**
3	* Desktop Mode — "Seen intros" registry.
4	*
5	* Tracks which one-time introduction dialogs the current user has
6	* already dismissed, so the shell can show a "what's new in this
7	* native app" dialog the first time a ported native window opens
8	* and never bother the user again afterwards.
9	*
10	* Today the surface is the native Posts window. The same key is
11	* intentionally generic — any future ported native app (Pages,
12	* Comments, Users, Plugins, …) registers its own slug and reuses
13	* this storage. OS Settings → Features exposes a "Reset what's-new
14	* dialogs" button that clears the whole list so the user can see
15	* every intro again from scratch.
16	*
17	* Storage shape:
18	* user meta `desktop_mode_seen_intros` → array<string> of slugs.
19	* `[ 'posts' ]`, `[ 'posts', 'pages' ]`, etc. Slug values pass
20	* through `sanitize_key()` and the list is capped at 64 entries
21	* so a runaway client cannot bloat user-meta indefinitely.
22	*
23	* @package WPDesktopMode
24	* @since 0.8.0
25	*/
26
27	defined( 'ABSPATH' ) \|\| exit;
28
29	/** User meta key — see file header for shape. */
30	const DESKTOP_MODE_SEEN_INTROS_META_KEY = 'desktop_mode_seen_intros';
31
32	/** Hard cap so a malicious client cannot grow the list unbounded. */
33	const DESKTOP_MODE_SEEN_INTROS_MAX = 64;
34
35	/**
36	* Returns the list of intro slugs the user has dismissed.
37	*
38	* @since 0.8.0
39	*
40	* @param int $user_id User ID.
41	* @return string[] Sanitized list (may be empty).
42	*/
43	function desktop_mode_get_seen_intros( $user_id ) {
44	$user_id = (int) $user_id;
45	if ( $user_id <= 0 ) {
46	return array();
47	}
48
49	$raw = get_user_meta( $user_id, DESKTOP_MODE_SEEN_INTROS_META_KEY, true );
50	if ( ! is_array( $raw ) ) {
51	return array();
52	}
53
54	return desktop_mode_sanitize_seen_intros( $raw );
55	}
56
57	/**
58	* Whether the user has already dismissed the given intro.
59	*
60	* @since 0.8.0
61	*
62	* @param int $user_id User ID.
63	* @param string $slug Intro slug (e.g. `'posts'`).
64	* @return bool
65	*/
66	function desktop_mode_has_seen_intro( $user_id, $slug ) {
67	$slug = sanitize_key( (string) $slug );
68	if ( '' === $slug ) {
69	return false;
70	}
71	return in_array( $slug, desktop_mode_get_seen_intros( $user_id ), true );
72	}
73
74	/**
75	* Adds a slug to the user's seen-intros list.
76	*
77	* Idempotent — re-marking an already-seen intro is a no-op that
78	* still returns true.
79	*
80	* @since 0.8.0
81	*
82	* @param int $user_id User ID.
83	* @param string $slug Intro slug.
84	* @return bool True on successful write (or no-op), false otherwise.
85	*/
86	function desktop_mode_mark_intro_seen( $user_id, $slug ) {
87	$user_id = (int) $user_id;
88	$slug = sanitize_key( (string) $slug );
89	if ( $user_id <= 0 \|\| '' === $slug ) {
90	return false;
91	}
92
93	$current = desktop_mode_get_seen_intros( $user_id );
94	if ( in_array( $slug, $current, true ) ) {
95	return true;
96	}
97
98	$current[] = $slug;
99	$current = array_slice( $current, 0, DESKTOP_MODE_SEEN_INTROS_MAX );
100
101	return false !== update_user_meta(
102	$user_id,
103	DESKTOP_MODE_SEEN_INTROS_META_KEY,
104	$current
105	);
106	}
107
108	/**
109	* Wipes every seen-intro entry for the user. Used by the OS
110	* Settings → Features "Reset what's-new dialogs" button.
111	*
112	* @since 0.8.0
113	*
114	* @param int $user_id User ID.
115	* @return bool True on success.
116	*/
117	function desktop_mode_clear_seen_intros( $user_id ) {
118	$user_id = (int) $user_id;
119	if ( $user_id <= 0 ) {
120	return false;
121	}
122	return (bool) delete_user_meta( $user_id, DESKTOP_MODE_SEEN_INTROS_META_KEY );
123	}
124
125	/**
126	* Coerces a raw payload to a clean list of slugs.
127	*
128	* @since 0.8.0
129	*
130	* @param mixed $raw Raw value.
131	* @return string[]
132	*/
133	function desktop_mode_sanitize_seen_intros( $raw ) {
134	if ( ! is_array( $raw ) ) {
135	return array();
136	}
137	$out = array();
138	foreach ( $raw as $entry ) {
139	if ( ! is_string( $entry ) ) {
140	continue;
141	}
142	$slug = sanitize_key( $entry );
143	if ( '' === $slug ) {
144	continue;
145	}
146	$out[] = $slug;
147	}
148	return array_slice( array_values( array_unique( $out ) ), 0, DESKTOP_MODE_SEEN_INTROS_MAX );
149	}
150
151	/**
152	* Registers REST routes for the seen-intros surface.
153	*
154	* Routes:
155	* POST /desktop-mode/v1/intros/seen body: { slug: string }
156	* DELETE /desktop-mode/v1/intros no body — clears the list
157	*
158	* Both return the post-mutation list so the client can refresh its
159	* local snapshot without a follow-up GET.
160	*
161	* @since 0.8.0
162	*/
163	function desktop_mode_register_seen_intros_routes() {
164	register_rest_route(
165	'desktop-mode/v1',
166	'/intros/seen',
167	array(
168	'methods' => WP_REST_Server::CREATABLE,
169	'callback' => 'desktop_mode_rest_mark_intro_seen',
170	'permission_callback' => 'desktop_mode_rest_seen_intros_permission',
171	'args' => array(
172	'slug' => array(
173	'required' => true,
174	'type' => 'string',
175	),
176	),
177	)
178	);
179
180	register_rest_route(
181	'desktop-mode/v1',
182	'/intros',
183	array(
184	'methods' => WP_REST_Server::DELETABLE,
185	'callback' => 'desktop_mode_rest_clear_seen_intros',
186	'permission_callback' => 'desktop_mode_rest_seen_intros_permission',
187	)
188	);
189	}
190	add_action( 'rest_api_init', 'desktop_mode_register_seen_intros_routes' );
191
192	/**
193	* Permission gate — any logged-in user may manage their own seen-
194	* intros list.
195	*
196	* @since 0.8.0
197	*
198	* @return bool
199	*/
200	function desktop_mode_rest_seen_intros_permission() {
201	return is_user_logged_in() && current_user_can( 'read' );
202	}
203
204	/**
205	* REST handler for `POST /desktop-mode/v1/intros/seen`.
206	*
207	* @since 0.8.0
208	*
209	* @param WP_REST_Request $request REST request.
210	* @return WP_REST_Response\|WP_Error
211	*/
212	function desktop_mode_rest_mark_intro_seen( WP_REST_Request $request ) {
213	$user_id = get_current_user_id();
214	$slug = sanitize_key( (string) $request->get_param( 'slug' ) );
215	if ( '' === $slug ) {
216	return new WP_Error(
217	'desktop_mode_invalid_intro_slug',
218	__( 'The `slug` parameter must be a non-empty string.', 'desktop-mode' ),
219	array( 'status' => 400 )
220	);
221	}
222	desktop_mode_mark_intro_seen( $user_id, $slug );
223	return rest_ensure_response(
224	array( 'seenIntros' => desktop_mode_get_seen_intros( $user_id ) )
225	);
226	}
227
228	/**
229	* REST handler for `DELETE /desktop-mode/v1/intros`.
230	*
231	* @since 0.8.0
232	*
233	* @return WP_REST_Response
234	*/
235	function desktop_mode_rest_clear_seen_intros() {
236	$user_id = get_current_user_id();
237	desktop_mode_clear_seen_intros( $user_id );
238	return rest_ensure_response(
239	array( 'seenIntros' => desktop_mode_get_seen_intros( $user_id ) )
240	);
241	}
242