post-views-counter.php — Post Views Counter 1.1.2

post-views-counter / post-views-counter.php

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post-views-counter.php

360 lines

1	<?php
2	/*
3	Plugin Name: Post Views Counter
4	Description: Forget WP-PostViews. Display how many times a post, page or custom post type had been viewed in a simple, fast and reliable way.
5	Version: 1.1.2
6	Author: dFactory
7	Author URI: http://www.dfactory.eu/
8	Plugin URI: http://www.dfactory.eu/plugins/post-views-counter/
9	License: MIT License
10	License URI: http://opensource.org/licenses/MIT
11	Text Domain: post-views-counter
12	Domain Path: /languages
13
14	Post Views Counter
15	Copyright (C) 2014-2015, Digital Factory - info@digitalfactory.pl
16
17	Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
18
19	The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
20
21	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22	*/
23
24	// exit if accessed directly
25	if ( ! defined( 'ABSPATH' ) )
26	exit;
27
28	define( 'POST_VIEWS_COUNTER_URL', plugins_url( '', __FILE__ ) );
29	define( 'POST_VIEWS_COUNTER_PATH', plugin_dir_path( __FILE__ ) );
30	define( 'POST_VIEWS_COUNTER_REL_PATH', dirname( plugin_basename( __FILE__ ) ) . '/' );
31
32	include_once( POST_VIEWS_COUNTER_PATH . 'includes/update.php' );
33	include_once( POST_VIEWS_COUNTER_PATH . 'includes/settings.php' );
34	include_once( POST_VIEWS_COUNTER_PATH . 'includes/query.php' );
35	include_once( POST_VIEWS_COUNTER_PATH . 'includes/cron.php' );
36	include_once( POST_VIEWS_COUNTER_PATH . 'includes/counter.php' );
37	include_once( POST_VIEWS_COUNTER_PATH . 'includes/columns.php' );
38	include_once( POST_VIEWS_COUNTER_PATH . 'includes/frontend.php' );
39	include_once( POST_VIEWS_COUNTER_PATH . 'includes/widgets.php' );
40
41	/**
42	* Post Views Counter class
43	*
44	* @class Post_Views_Counter
45	* @version 1.1.2
46	*/
47	class Post_Views_Counter {
48
49	private static $_instance;
50	private $instances;
51	private $options;
52	private $defaults = array(
53	'general' => array(
54	'post_types_count' => array( 'post' ),
55	'counter_mode' => 'php',
56	'post_views_column' => true,
57	'time_between_counts' => array(
58	'number' => 24,
59	'type' => 'hours'
60	),
61	'reset_counts' => array(
62	'number' => 30,
63	'type' => 'days'
64	),
65	'flush_interval' => array(
66	'number' => 0,
67	'type' => 'minutes'
68	),
69	'exclude' => array(
70	'groups' => array(),
71	'roles' => array()
72	),
73	'exclude_ips' => array(),
74	'restrict_edit_views' => false,
75	'deactivation_delete' => false,
76	'cron_run' => true,
77	'cron_update' => true
78	),
79	'display' => array(
80	'label' => 'Post Views:',
81	'post_types_display' => array( 'post' ),
82	'restrict_display' => array(
83	'groups' => array(),
84	'roles' => array()
85	),
86	'position' => 'after',
87	'display_style' => array(
88	'icon' => true,
89	'text' => true
90	),
91	'link_to_post' => true,
92	'icon_class' => 'dashicons-chart-bar'
93	),
94	'version' => '1.1.2'
95	);
96
97	public static function instance() {
98	if ( self::$_instance === null )
99	self::$_instance = new self();
100
101	return self::$_instance;
102	}
103
104	private function __clone() {
105
106	}
107
108	private function __wakeup() {
109
110	}
111
112	private function __construct() {
113	register_activation_hook( __FILE__, array( &$this, 'activation' ) );
114	register_deactivation_hook( __FILE__, array( &$this, 'deactivation' ) );
115
116	// settings
117	$this->options = array(
118	'general' => array_merge( $this->defaults['general'], get_option( 'post_views_counter_settings_general', $this->defaults['general'] ) ),
119	'display' => array_merge( $this->defaults['display'], get_option( 'post_views_counter_settings_display', $this->defaults['display'] ) )
120	);
121
122	// actions
123	add_action( 'plugins_loaded', array( &$this, 'load_textdomain' ) );
124	add_action( 'admin_enqueue_scripts', array( &$this, 'admin_scripts_styles' ) );
125	add_action( 'wp_loaded', array( &$this, 'load_pluggable_functions' ), 10 );
126
127	// filters
128	add_filter( 'plugin_row_meta', array( &$this, 'plugin_extend_links' ), 10, 2 );
129	add_filter( 'plugin_action_links', array( &$this, 'plugin_settings_link' ), 10, 2 );
130	}
131
132	/**
133	* Execution of plugin activation function
134	*/
135	public function activation() {
136	global $wpdb, $charset_collate;
137
138	// required for dbdelta
139	require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
140
141	// create post views table
142	dbDelta( '
143	CREATE TABLE IF NOT EXISTS ' . $wpdb->prefix . 'post_views (
144	id bigint unsigned NOT NULL,
145	type tinyint(1) unsigned NOT NULL,
146	period varchar(8) NOT NULL,
147	count bigint unsigned NOT NULL,
148	PRIMARY KEY (type, period, id),
149	UNIQUE INDEX id_period (id, period) USING BTREE,
150	INDEX type_period_count (type, period, count) USING BTREE
151	) ' . $charset_collate . ';'
152	);
153
154	// add default options
155	add_option( 'post_views_counter_settings_general', $this->defaults['general'], '', 'no' );
156	add_option( 'post_views_counter_settings_display', $this->defaults['display'], '', 'no' );
157	add_option( 'post_views_counter_version', $this->defaults['version'], '', 'no' );
158
159	// schedule cache flush
160	$this->schedule_cache_flush();
161	}
162
163	/**
164	* Execution of plugin deactivation function
165	*/
166	public function deactivation() {
167	// delete default options
168	if ( $this->options['general']['deactivation_delete'] ) {
169	delete_option( 'post_views_counter_settings_general' );
170	delete_option( 'post_views_counter_settings_display' );
171	}
172
173	// remove schedule
174	wp_clear_scheduled_hook( 'pvc_reset_counts' );
175	remove_action( 'pvc_reset_counts', array( Post_Views_Counter()->get_instance( 'cron' ), 'reset_counts' ) );
176
177	$this->remove_cache_flush();
178	}
179
180	/**
181	* Schedule cache flushing if it's not already scheduled
182	*/
183	public function schedule_cache_flush( $forced = true ) {
184	if ( $forced \|\| ! wp_next_scheduled( 'pvc_flush_cached_counts' ) ) {
185	wp_schedule_event( time(), 'post_views_counter_flush_interval', 'pvc_flush_cached_counts' );
186	}
187	}
188
189	/**
190	* Remove scheduled cache flush and the corresponding action
191	*/
192	public function remove_cache_flush() {
193	wp_clear_scheduled_hook( 'pvc_flush_cached_counts' );
194	remove_action( 'pvc_flush_cached_counts', array( Post_Views_Counter()->get_instance( 'cron' ), 'flush_cached_counts' ) );
195	}
196
197	/**
198	* Load text domain
199	*/
200	public function load_textdomain() {
201	load_plugin_textdomain( 'post-views-counter', false, POST_VIEWS_COUNTER_REL_PATH . 'languages/' );
202	}
203
204	/**
205	* Load pluggable template functions
206	*/
207	public function load_pluggable_functions() {
208	include_once(POST_VIEWS_COUNTER_PATH . 'includes/functions.php');
209	}
210
211	/**
212	* Set instance of class
213	*/
214	public function add_instance( $name, $instance ) {
215	$this->instances[$name] = $instance;
216	}
217
218	/**
219	* Get instance of a class
220	*/
221	public function get_instance( $name ) {
222	if ( in_array( $name, array( 'counter', 'settings', 'cron' ), true ) )
223	return $this->instances[$name];
224	}
225
226	/**
227	* Get allowed attribute
228	*/
229	public function get_attribute( $attribute ) {
230	if ( in_array( $attribute, array( 'options', 'defaults' ), true ) ) {
231	switch ( func_num_args() ) {
232	case 1:
233	return $this->{$attribute};
234
235	case 2:
236	return $this->{$attribute}[func_get_arg( 1 )];
237
238	case 3:
239	return $this->{$attribute}[func_get_arg( 1 )][func_get_arg( 2 )];
240
241	case 4:
242	return $this->{$attribute}[func_get_arg( 1 )][func_get_arg( 2 )][func_get_arg( 3 )];
243	}
244	} else
245	return false;
246	}
247
248	/**
249	* Enqueue admin scripts and styles
250	*/
251	public function admin_scripts_styles( $page ) {
252	wp_register_style(
253	'pvc-admin', POST_VIEWS_COUNTER_URL . '/css/admin.css'
254	);
255
256	wp_register_script(
257	'pvc-admin-settings', POST_VIEWS_COUNTER_URL . '/js/admin-settings.js', array( 'jquery' ), $this->defaults['version']
258	);
259
260	wp_register_script(
261	'pvc-admin-post', POST_VIEWS_COUNTER_URL . '/js/admin-post.js', array( 'jquery' ), $this->defaults['version']
262	);
263
264	wp_register_script(
265	'pvc-admin-quick-edit', POST_VIEWS_COUNTER_URL . '/js/admin-quick-edit.js', array( 'jquery', 'inline-edit-post' ), $this->defaults['version']
266	);
267
268	// load on PVC settings page
269	if ( $page === 'settings_page_post-views-counter' ) {
270
271	wp_enqueue_script( 'pvc-admin-settings' );
272
273	wp_localize_script(
274	'pvc-admin-settings', 'pvcArgsSettings', array(
275	'resetToDefaults' => __( 'Are you sure you want to reset these settings to defaults?', 'post-views-counter' )
276	)
277	);
278
279	wp_enqueue_style( 'pvc-admin' );
280
281	// load on single post page
282	} elseif ( $page === 'post.php' \|\| $page === 'post-new.php' ) {
283
284	$post_types = Post_Views_Counter()->get_attribute( 'options', 'general', 'post_types_count' );
285
286	global $post_type;
287
288	if ( ! in_array( $post_type, (array) $post_types ) )
289	return;
290
291	wp_enqueue_style( 'pvc-admin' );
292	wp_enqueue_script( 'pvc-admin-post' );
293	} elseif ( $page === 'edit.php' ) {
294	$post_types = Post_Views_Counter()->get_attribute( 'options', 'general', 'post_types_count' );
295
296	global $post_type;
297
298	if ( ! in_array( $post_type, (array) $post_types ) )
299	return;
300
301	wp_enqueue_style( 'pvc-admin' );
302	wp_enqueue_script( 'pvc-admin-quick-edit' );
303	}
304	}
305
306	/**
307	* Add links to plugin support forum.
308	*/
309	public function plugin_extend_links( $links, $file ) {
310
311	if ( ! current_user_can( 'install_plugins' ) )
312	return $links;
313
314	$plugin = plugin_basename( __FILE__ );
315
316	if ( $file == $plugin ) {
317	return array_merge(
318	$links, array( sprintf( '<a href="http://www.dfactory.eu/support/forum/post-views-counter/" target="_blank">%s</a>', __( 'Support', 'post-views-counter' ) ) )
319	);
320	}
321
322	return $links;
323	}
324
325	/**
326	* Add link to settings page
327	*/
328	public function plugin_settings_link( $links, $file ) {
329	if ( ! is_admin() \|\| ! current_user_can( 'manage_options' ) )
330	return $links;
331
332	static $plugin;
333
334	$plugin = plugin_basename( __FILE__ );
335
336	if ( $file == $plugin ) {
337	$settings_link = sprintf( '<a href="%s">%s</a>', admin_url( 'options-general.php' ) . '?page=post-views-counter', __( 'Settings', 'post-views-counter' ) );
338
339	array_unshift( $links, $settings_link );
340	}
341
342	return $links;
343	}
344
345	}
346
347	/**
348	* Initialise Post Views Counter
349	*/
350	function Post_Views_Counter() {
351	static $instance;
352
353	// first call to instance() initializes the plugin
354	if ( $instance === null \|\| ! ($instance instanceof Post_Views_Counter) )
355	$instance = Post_Views_Counter::instance();
356
357	return $instance;
358	}
359
360	Post_Views_Counter();