class-admin.php — Post Views Counter 1.7.15

post-views-counter / includes / class-admin.php

post-views-counter / includes Last commit date

class-admin.php

185 lines

1	<?php
2	// exit if accessed directly
3	if ( ! defined( 'ABSPATH' ) )
4	exit;
5
6	/**
7	* Post_Views_Counter_Admin class.
8	*
9	* @class Post_Views_Counter_Admin
10	*/
11	class Post_Views_Counter_Admin {
12
13	/**
14	* Class constructor.
15	*
16	* @return void
17	*/
18	public function __construct() {
19	// actions
20	add_action( 'plugins_loaded', [ $this, 'init_block_editor' ] );
21	add_action( 'admin_enqueue_scripts', [ $this, 'register_chartjs' ], 9 );
22	}
23
24	/**
25	* Register Chart.js.
26	*
27	* @return void
28	*/
29	public function register_chartjs() {
30	wp_register_script( 'pvc-chartjs', POST_VIEWS_COUNTER_URL . '/assets/chartjs/chart.min.js', [ 'jquery' ], '4.5.0', true );
31	}
32
33	/**
34	* Init block editor actions.
35	*
36	* @return void
37	*/
38	public function init_block_editor() {
39	add_action( 'rest_api_init', [ $this, 'block_editor_rest_api_init' ] );
40	add_action( 'enqueue_block_editor_assets', [ $this, 'block_editor_enqueue_scripts' ] );
41	}
42
43	/**
44	* Register REST API block editor endpoints.
45	*
46	* @return void
47	*/
48	public function block_editor_rest_api_init() {
49	// get views route
50	register_rest_route(
51	'post-views-counter',
52	'/update-post-views/',
53	[
54	'methods' => [ 'POST' ],
55	'callback' => [ $this, 'block_editor_update_callback' ],
56	'permission_callback' => [ $this, 'check_rest_route_permissions' ],
57	'args' => [
58	'id' => [
59	'sanitize_callback' => 'absint',
60	]
61	]
62	]
63	);
64	}
65
66	/**
67	* Check whether user has permissions to perform post views update in block editor.
68	*
69	* @param object $request WP_REST_Request
70	* @return bool\|WP_Error
71	*/
72	public function check_rest_route_permissions( $request ) {
73	// break if current user can't edit this post
74	if ( ! current_user_can( 'edit_post', (int) $request->get_param( 'id' ) ) )
75	return new WP_Error( 'pvc-user-not-allowed', __( 'You are not allowed to edit this item.', 'post-views-counter' ) );
76
77	// break if views editing is restricted
78	if ( (bool) Post_Views_Counter()->options['display']['restrict_edit_views'] === true && ! current_user_can( apply_filters( 'pvc_restrict_edit_capability', 'manage_options' ) ) )
79	return new WP_Error( 'pvc-user-not-allowed', __( 'You are not allowed to edit this item.', 'post-views-counter' ) );
80
81	return true;
82	}
83
84	/**
85	* REST API callback for block editor endpoint.
86	*
87	* @param array $data
88	* @return string\|int
89	*/
90	public function block_editor_update_callback( $data ) {
91	// get main instance
92	$pvc = Post_Views_Counter();
93
94	// cast post ID
95	$post_id = ! empty( $data['id'] ) ? (int) $data['id'] : 0;
96
97	// cast post views
98	$post_views = ! empty( $data['post_views'] ) ? (int) $data['post_views'] : 0;
99
100	// get countable post types
101	$post_types = (array) $pvc->options['general']['post_types_count'];
102
103	// check if post exists
104	$post = get_post( $post_id );
105
106	// whether to count this post type or not
107	if ( empty( $post_types ) \|\| empty( $post ) \|\| ! in_array( $post->post_type, $post_types, true ) )
108	return wp_send_json_error( __( 'Invalid post ID.', 'post-views-counter' ) );
109
110	// break if current user can't edit this post
111	if ( ! current_user_can( 'edit_post', $post_id ) )
112	return wp_send_json_error( __( 'You are not allowed to edit this item.', 'post-views-counter' ) );
113
114	// break if views editing is restricted
115	if ( (bool) $pvc->options['display']['restrict_edit_views'] === true && ! current_user_can( apply_filters( 'pvc_restrict_edit_capability', 'manage_options' ) ) )
116	return wp_send_json_error( __( 'You are not allowed to edit this item.', 'post-views-counter' ) );
117
118	// update post views
119	pvc_update_post_views( $post_id, $post_views );
120
121	do_action( 'pvc_after_update_post_views_count', $post_id );
122
123	return $post_id;
124	}
125
126	/**
127	* Enqueue frontend and editor JavaScript and CSS.
128	*
129	* @global string $pagenow
130	* @global string $wp_version
131	*
132	* @return void
133	*/
134	public function block_editor_enqueue_scripts() {
135	global $pagenow, $wp_version;
136
137	// get main instance
138	$pvc = Post_Views_Counter();
139
140	// skip screens without a single post context: widgets, customizer and the site editor
141	// wp.editor.PluginPostStatusInfo renders in the site editor too, where get_the_ID() is unavailable
142	if ( $pagenow === 'widgets.php' \|\| $pagenow === 'customize.php' \|\| $pagenow === 'site-editor.php' )
143	return;
144
145	// enqueue the bundled block JS file
146	// wp-editor: PluginPostStatusInfo, wp-api-request: wp.apiRequest used on save
147	wp_enqueue_script( 'pvc-block-editor', POST_VIEWS_COUNTER_URL . '/js/block-editor.js', [ 'wp-element', 'wp-components', 'wp-editor', 'wp-data', 'wp-plugins', 'wp-api-request' ], $pvc->defaults['version'], false );
148
149	// restrict editing
150	$can_edit = false;
151
152	$restrict = (bool) $pvc->options['display']['restrict_edit_views'];
153
154	if ( $restrict === false \|\| ( $restrict === true && current_user_can( apply_filters( 'pvc_restrict_edit_capability', 'manage_options' ) ) ) )
155	$can_edit = true;
156
157	// get total post views
158	$id = get_the_ID();
159	$count = pvc_get_post_views( $id );
160
161	// disable views display and editing?
162	if ( apply_filters( 'pvc_admin_display_views', true, $id ) === false ) {
163	$count = '—';
164	$can_edit = false;
165	}
166
167	// prepare script data
168	$script_data = [
169	'postID' => $id,
170	'postViews' => $count,
171	'canEdit' => $can_edit,
172	'nonce' => wp_create_nonce( 'wp_rest' ),
173	'wpGreater53' => version_compare( $wp_version, '5.3', '>=' ),
174	'textPostViews' => esc_html__( 'Post Views', 'post-views-counter' ),
175	'textHelp' => esc_html__( 'Adjust the views count for this post.', 'post-views-counter' ),
176	'textCancel' => esc_html__( 'Cancel', 'post-views-counter' )
177	];
178
179	wp_add_inline_script( 'pvc-block-editor', 'var pvcEditorArgs = ' . wp_json_encode( $script_data ) . ";\n", 'before' );
180
181	// enqueue frontend and editor block styles
182	wp_enqueue_style( 'pvc-block-editor', POST_VIEWS_COUNTER_URL . '/css/block-editor.css', '', $pvc->defaults['version'] );
183	}
184	}
185