class-frontend.php — Post Views Counter 1.3.8

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

post-views-counter / includes Last commit date

class-frontend.php

222 lines

1	<?php
2	// exit if accessed directly
3	if ( ! defined( 'ABSPATH' ) )
4	exit;
5
6	/**
7	* Post_Views_Counter_Frontend class.
8	*
9	* @class Post_Views_Counter_Frontend
10	*/
11	class Post_Views_Counter_Frontend {
12
13	/**
14	* Class constructor.
15	*
16	* @return void
17	*/
18	public function __construct() {
19	// actions
20	add_action( 'after_setup_theme', [ $this, 'register_shortcode' ] );
21	add_action( 'wp_enqueue_scripts', [ $this, 'wp_enqueue_scripts' ] );
22	add_action( 'wp', [ $this, 'run' ] );
23	}
24
25	/**
26	* Register post-views shortcode function.
27	*
28	* @return void
29	*/
30	public function register_shortcode() {
31	add_shortcode( 'post-views', [ $this, 'post_views_shortcode' ] );
32	}
33
34	/**
35	* Post views shortcode function.
36	*
37	* @param array $args
38	* @return string
39	*/
40	public function post_views_shortcode( $args ) {
41	$defaults = [
42	'id' => get_the_ID()
43	];
44
45	$args = shortcode_atts( $defaults, $args );
46
47	return pvc_post_views( $args['id'], false );
48	}
49
50	/**
51	* Set up plugin hooks.
52	*
53	* @return void
54	*/
55	public function run() {
56	if ( is_admin() && ! ( defined( 'DOING_AJAX' ) && DOING_AJAX ) )
57	return;
58
59	$filter = apply_filters( 'pvc_shortcode_filter_hook', Post_Views_Counter()->options['display']['position'] );
60
61	if ( ! empty( $filter ) && in_array( $filter, [ 'before', 'after' ] ) ) {
62	// post content
63	add_filter( 'the_content', [ $this, 'add_post_views_count' ] );
64
65	// bbpress support
66	add_action( 'bbp_template_' . $filter . '_single_topic', [ $this, 'display_bbpress_post_views' ] );
67	add_action( 'bbp_template_' . $filter . '_single_forum', [ $this, 'display_bbpress_post_views' ] );
68	} else {
69	// custom
70	if ( $filter !== 'manual' && is_string( $filter ) )
71	add_filter( $filter, [ $this, 'add_post_views_count' ] );
72	}
73	}
74
75	/**
76	* Add post views counter to forum/topic of bbPress.
77	*
78	* @return void
79	*/
80	public function display_bbpress_post_views() {
81	$post_id = get_the_ID();
82
83	// check only for forums and topics
84	if ( bbp_is_forum( $post_id ) \|\| bbp_is_topic( $post_id ) )
85	echo $this->add_post_views_count( '' );
86	}
87
88	/**
89	* Add post views counter to content.
90	*
91	* @param string $content
92	* @return string
93	*/
94	public function add_post_views_count( $content = '' ) {
95	// get main instance
96	$pvc = Post_Views_Counter();
97
98	$display = false;
99
100	// page visibility check
101	if ( ! empty( $pvc->options['display']['page_types_display'] ) ) {
102	foreach ( $pvc->options['display']['page_types_display'] as $page ) {
103	switch ( $page ) {
104	case 'singular':
105	if ( is_singular( $pvc->options['display']['post_types_display'] ) )
106	$display = true;
107	break;
108
109	case 'archive':
110	if ( is_archive() )
111	$display = true;
112	break;
113
114	case 'search':
115	if ( is_search() )
116	$display = true;
117	break;
118
119	case 'home':
120	if ( is_home() \|\| is_front_page() )
121	$display = true;
122	break;
123	}
124	}
125	}
126
127	// get groups to check it faster
128	$groups = $pvc->options['display']['restrict_display']['groups'];
129
130	// whether to display views
131	if ( is_user_logged_in() ) {
132	// exclude logged in users?
133	if ( in_array( 'users', $groups, true ) )
134	$display = false;
135	// exclude specific roles?
136	elseif ( in_array( 'roles', $groups, true ) && $pvc->counter->is_user_role_excluded( get_current_user_id(), $pvc->options['display']['restrict_display']['roles'] ) )
137	$display = false;
138	// exclude guests?
139	} elseif ( in_array( 'guests', $groups, true ) )
140	$display = false;
141
142	// we don't want to mess custom loops
143	if ( ! in_the_loop() && ! class_exists( 'bbPress' ) )
144	$display = false;
145
146	if ( (bool) apply_filters( 'pvc_display_views_count', $display ) === true ) {
147	$filter = apply_filters( 'pvc_shortcode_filter_hook', $pvc->options['display']['position'] );
148
149	switch ( $filter ) {
150	case 'after':
151	$content = $content . do_shortcode( '[post-views]' );
152	break;
153
154	case 'before':
155	$content = do_shortcode( '[post-views]' ) . $content;
156	break;
157
158	case 'manual':
159	default:
160	break;
161	}
162	}
163
164	return $content;
165	}
166
167	/**
168	* Enqueue frontend scripts and styles.
169	*
170	* @return void
171	*/
172	public function wp_enqueue_scripts() {
173	// get main instance
174	$pvc = Post_Views_Counter();
175
176	// enable styles?
177	if ( (bool) apply_filters( 'pvc_enqueue_styles', true ) === true ) {
178	// load dashicons
179	wp_enqueue_style( 'dashicons' );
180
181	// load style
182	wp_enqueue_style( 'post-views-counter-frontend', POST_VIEWS_COUNTER_URL . '/css/frontend.css', [], $pvc->defaults['version'] );
183	}
184
185	// get countable post types
186	$post_types = $pvc->options['general']['post_types_count'];
187
188	// whether to count this post type or not
189	if ( empty( $post_types ) \|\| ! is_singular( $post_types ) )
190	return;
191
192	// get counter mode
193	$mode = $pvc->options['general']['counter_mode'];
194
195	// specific counter mode?
196	if ( in_array( $mode, [ 'js', 'rest_api' ], true ) ) {
197	wp_enqueue_script( 'post-views-counter-frontend', POST_VIEWS_COUNTER_URL . '/js/frontend.js', [ 'jquery' ], $pvc->defaults['version'], true );
198
199	$args = [
200	'mode' => $mode,
201	'postID' => get_the_ID(),
202	'nonce' => ( $mode === 'rest_api' ? wp_create_nonce( 'wp_rest' ) : wp_create_nonce( 'pvc-check-post' ) )
203	];
204
205	switch ( $mode ) {
206	case 'rest_api':
207	$args['requestURL'] = rest_url( 'post-views-counter/view-post/' );
208	break;
209
210	case 'js':
211	default:
212	$args['requestURL'] = admin_url( 'admin-ajax.php' );
213	break;
214	}
215
216	// make it safe
217	$args['requestURL'] = esc_url_raw( $args['requestURL'] );
218
219	wp_localize_script( 'post-views-counter-frontend', 'pvcArgsFrontend', apply_filters( 'pvc_frontend_script_args', $args ) );
220	}
221	}
222	}