wp-optimize / includes / class-wp-optimize-admin.php

class-wp-optimize-admin.php in WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 3.7.1, at includes/class-wp-optimize-admin.php

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1	<?php
2	if (!defined('ABSPATH')) die('No direct access allowed');
3
4	if (!class_exists('WP_Optimize_Admin')) :
5
6	class WP_Optimize_Admin {
7
8	/**
9	* Class constructor
10	*/
11	public function __construct() {
12	if (is_multisite()) {
13	add_action('network_admin_menu', array($this, 'admin_menu'));
14	} else {
15	add_action('admin_menu', array($this, 'admin_menu'));
16	}
17	}
18
19	/**
20	* Returns singleton instance object
21	*
22	* @return WP_Optimize_Admin Returns `WP_Optimize_Admin` object
23	*/
24	public static function instance() {
25	static $_instance = null;
26	if (empty($_instance)) {
27	$_instance = new self();
28	}
29	return $_instance;
30	}
31
32
33	/**
34	* Builds the Tabs that should be displayed
35	*
36	* @return array Returns all tabs specified array
37	*/
38	public function get_tabs($page) {
39	// define tabs for pages.
40	$pages_tabs = array(
41	'WP-Optimize' => array(
42	'optimize' => __('Optimizations', 'wp-optimize'),
43	'tables' => __('Tables', 'wp-optimize'),
44	'settings' => __('Settings', 'wp-optimize'),
45	'table_analysis' => __('Table usage', 'wp-optimize').'<span class="menu-pill premium-only">Premium</span>'
46	),
47	'wpo_images' => array(
48	'smush' => __('Compress images', 'wp-optimize'),
49	'dimensions' => __('Images dimensions', 'wp-optimize').'<span class="menu-pill premium-only">Premium</span>',
50	'unused' => __('Unused images and sizes', 'wp-optimize').'<span class="menu-pill premium-only">Premium</span>',
51	'lazyload' => __('Lazy-load', 'wp-optimize').'<span class="menu-pill premium-only">Premium</span>',
52	),
53	'wpo_cache' => array(
54	'cache' => __('Page cache', 'wp-optimize'),
55	'preload' => __('Preload', 'wp-optimize'),
56	'advanced' => __('Advanced settings', 'wp-optimize'),
57	'gzip' => __('Gzip compression', 'wp-optimize'),
58	'settings' => __('Static file headers', 'wp-optimize') // Adds a settings tab
59	),
60	'wpo_minify' => array(
61	"status" => __('Minify status', 'wp-optimize'),
62	"js" => __('JavaScript', 'wp-optimize').'<span class="menu-pill disabled hidden">'.__('Disabled', 'wp-optimize').'</span>',
63	"css" => __('CSS', 'wp-optimize').'<span class="menu-pill disabled hidden">'.__('Disabled', 'wp-optimize').'</span>',
64	"font" => __('Fonts', 'wp-optimize'),
65	"analytics" => __('Analytics', 'wp-optimize').'<span class="menu-pill premium-only">Premium</span>',
66	"settings" => __('Settings', 'wp-optimize'),
67	"preload" => __('Preload', 'wp-optimize'),
68	"advanced" => __('Advanced', 'wp-optimize')
69	),
70	'wpo_settings' => array(
71	'settings' => array(
72	'title' => __('Settings', 'wp-optimize'),
73	),
74	// 'updraftcentral' => array(
75	// 'title' => 'UpdraftCentral'
76	// ),
77	),
78	'wpo_support' => array('support' => __('Support / FAQs', 'wp-optimize')),
79	'wpo_mayalso' => array('may_also' => __('Premium / Plugin family', 'wp-optimize')),
80	);
81
82	$tabs = (array_key_exists($page, $pages_tabs)) ? $pages_tabs[$page] : array();
83	return apply_filters('wp_optimize_admin_page_'.$page.'_tabs', $tabs);
84	}
85
86	/**
87	* Main page structure.
88	*/
89	public function display_admin() {
90	$capability_required = WP_Optimize()->capability_required();
91	$can_run_optimizations = WP_Optimize()->can_run_optimizations();
92	$can_manage_options = WP_Optimize()->can_manage_options();
93
94	if (!current_user_can($capability_required) \|\| (!$can_run_optimizations && !$can_manage_options)) {
95	echo "Permission denied.";
96	return;
97	}
98
99	$this->register_admin_content();
100
101	echo '<div id="wp-optimize-wrap">';
102
103	WP_Optimize()->include_template('admin-page-header.php', false, array('show_notices' => !(WP_Optimize()->get_install_or_update_notice()->show_current_notice())));
104
105	do_action('wpo_admin_after_header');
106
107	echo '<div id="actions-results-area"></div>';
108
109	$pages = $this->get_submenu_items();
110
111	foreach ($pages as $page) {
112	if (isset($page['menu_slug'])) {
113	$this->display_admin_page($page['menu_slug']);
114	}
115	}
116
117	do_action('wpo_admin_before_closing_wrap');
118
119	// closes main plugin wrapper div. #wp-optimize-wrap
120	echo '</div><!-- END #wp-optimize-wrap -->';
121
122	}
123
124	/**
125	* Prepare and display admin page with $page id.
126	*
127	* @param string $page wp-optimize page id i.e. dashboard, database, images, cache, ...
128	*/
129	public function display_admin_page($page) {
130
131	$active_page = !empty($_REQUEST['page']) ? $_REQUEST['page'] : '';
132
133	echo '<div class="wpo-page' . ($active_page == $page ? ' active' : '') . '" data-whichpage="'.$page.'">';
134
135	echo '<div class="wpo-main">';
136
137	// get defined tabs for $page.
138	$tabs = $this->get_tabs($page);
139
140	// if no tabs defined for $page then use $page as $active_tab for load template, doing related actions e t.c.
141	if (empty($tabs)) {
142	$active_tab = $page;
143	} else {
144	$tab_keys = array_keys($tabs);
145	$default_tab = apply_filters('wp_optimize_admin_'.$page.'_default_tab', $tab_keys[0]);
146	$active_tab = isset($_GET['tab']) ? substr($_GET['tab'], 12) : $default_tab;
147	if (!in_array($active_tab, array_keys($tabs))) $active_tab = $default_tab;
148	}
149
150	do_action('wp_optimize_admin_page_'.$page, $active_tab);
151
152	// if tabs defined then display
153	if (!empty($tabs)) {
154	WP_Optimize()->include_template('admin-page-header-tabs.php', false, array('page' => $page, 'active_tab' => $active_tab, 'tabs' => $tabs, 'wpo_is_premium' => WP_Optimize::is_premium()));
155	}
156
157	foreach ($tabs as $tab_id => $tab_description) {
158	// output wrap div for tab with id #wp-optimize-nav-tab-contents-'.$page.'-'.$tab_id
159	echo '<div class="wp-optimize-nav-tab-contents" id="wp-optimize-nav-tab-'.$page.'-'.$tab_id.'-contents" '.(($tab_id == $active_tab) ? '' : 'style="display:none;"').'>';
160
161	echo '<div class="postbox wpo-tab-postbox">';
162	// call action for generate tab content.
163
164	do_action('wp_optimize_admin_page_'.$page.'_'.$tab_id);
165
166	// closes postbox.
167	echo '</div><!-- END .postbox -->';
168	// closes tab wrapper.
169	echo '</div><!-- END .wp-optimize-nav-tab-contents -->';
170	}
171
172	echo '</div><!-- END .wpo-main -->';
173
174	do_action('wp_optimize_admin_after_page_'.$page, $active_tab);
175
176	echo '</div><!-- END .wpo-page -->';
177
178	}
179
180	/**
181	* Define required actions for admin pages.
182	*/
183	public function register_admin_content() {
184
185	do_action('wp_optimize_register_admin_content');
186
187	/**
188	* SETTINGS
189	*/
190	add_action('wp_optimize_admin_page_wpo_settings_settings', array($this, 'output_dashboard_settings_tab'), 20);
191
192	/**
193	* UpdraftCentral
194	*/
195	// add_action('wp_optimize_admin_page_wpo_settings_updraftcentral', array($this, 'output_dashboard_updraftcentral_tab'), 20);
196
197	/**
198	* Premium / other plugins
199	*/
200	add_action('wp_optimize_admin_page_wpo_mayalso_may_also', array($this, 'output_dashboard_other_plugins_tab'), 20);
201
202	/**
203	* DATABASE
204	*/
205	add_action('wp_optimize_admin_page_WP-Optimize_optimize', array($this, 'output_database_optimize_tab'), 20);
206	add_action('wp_optimize_admin_page_WP-Optimize_tables', array($this, 'output_database_tables_tab'), 20);
207	add_action('wp_optimize_admin_page_WP-Optimize_settings', array($this, 'output_database_settings_tab'), 20);
208	add_action('wp_optimize_admin_page_WP-Optimize_table_analysis', array($this, 'output_table_usage_tab'), 20);
209	/**
210	* CACHE
211	*/
212	add_action('wp_optimize_admin_page_wpo_cache_cache', array($this, 'output_page_cache_tab'), 20);
213	if (!WP_Optimize()->does_server_handles_cache()) {
214	add_action('wp_optimize_admin_page_wpo_cache_preload', array($this, 'output_page_cache_preload_tab'), 20);
215	add_action('wp_optimize_admin_page_wpo_cache_advanced', array($this, 'output_page_cache_advanced_tab'), 20);
216	}
217	add_action('wp_optimize_admin_page_wpo_cache_gzip', array($this, 'output_cache_gzip_tab'), 20);
218	add_action('wp_optimize_admin_page_wpo_cache_settings', array($this, 'output_cache_settings_tab'), 20);
219	add_action('wpo_page_cache_advanced_settings', array($this, 'output_cloudflare_settings'), 20);
220	/**
221	* SUPPORT
222	*/
223	add_action('wp_optimize_admin_page_wpo_support_support', array($this, 'output_dashboard_support_tab'), 20);
224	// Display Support page.
225
226	if (!WP_Optimize::is_premium()) {
227	/**
228	* Add action for display Images > Unused images and sizes tab.
229	*/
230	add_action('wp_optimize_admin_page_wpo_images_unused', array($this, 'admin_page_wpo_images_unused'));
231
232	/**
233	* Add action for display Dashboard > Lazyload tab.
234	*/
235	add_action('wp_optimize_admin_page_wpo_images_lazyload', array($this, 'admin_page_wpo_images_lazyload'));
236	} else {
237	/**
238	* Add filter for display footer review message and link.
239	*/
240	add_filter('admin_footer_text', array($this, 'display_footer_review_message'));
241	}
242
243	/**
244	* Add action for display Images > Images dimensions tab.
245	*/
246	add_action('wp_optimize_admin_page_wpo_images_dimensions', array($this, 'admin_page_wpo_images_dimensions'));
247	}
248
249	/**
250	* Database settings
251	*/
252	public function output_database_settings_tab() {
253
254	if (WP_Optimize()->can_manage_options()) {
255	WP_Optimize()->include_template('database/settings.php');
256	} else {
257	$this->prevent_manage_options_info();
258	}
259	}
260
261	/**
262	* Table usage tab
263	*
264	* @return void
265	*/
266	public function output_table_usage_tab() {
267	if (WP_Optimize::is_premium()) {
268	$extract = array('is_enabled' => (bool) WP_Optimize()->get_options()->get_option(WPO_DB_Table_Analysis::ENABLED_SETTING_NAME), 'dashboard' => WP_Optimize_Premium()->get_db_table_analysis_dashboard());
269	} else {
270	$extract = array('is_enabled' => false);
271	}
272	WP_Optimize()->include_template('database/table-analysis.php', false, $extract);
273	}
274
275	/**
276	* Dashboard settings
277	*/
278	public function output_dashboard_settings_tab() {
279	$options = WP_Optimize()->get_options();
280
281	if ('POST' == $_SERVER['REQUEST_METHOD']) {
282	// Nonce check.
283	check_admin_referer('wpo_settings');
284
285	$output = $options->save_settings($_POST);
286
287	if (isset($_POST['wp-optimize-settings'])) {
288	// save settings request sent.
289	$output = $options->save_settings($_POST);
290	}
291
292	$this->wpo_render_output_messages($output);
293	}
294
295	if (WP_Optimize()->can_manage_options()) {
296	WP_Optimize()->include_template('settings/settings.php');
297	} else {
298	$this->prevent_manage_options_info();
299	}
300	}
301
302	/**
303	* UpdraftCentral settings tab
304	*/
305	public function output_dashboard_updraftcentral_tab() {
306	if (WP_Optimize()->can_manage_options()) {
307	global $updraftcentral_host_plugin;
308	$updraftcentral_host_plugin->debugtools_dashboard();
309	} else {
310	$this->prevent_manage_options_info();
311	}
312	}
313
314	/**
315	* Dashboard support tab
316	*/
317	public function output_dashboard_support_tab() {
318	WP_Optimize()->include_template('settings/support-and-faqs.php');
319	}
320
321	/**
322	* Dashboard Other plugins / premium tab
323	*/
324	public function output_dashboard_other_plugins_tab() {
325	WP_Optimize()->include_template('settings/may-also-like.php');
326	}
327
328	/**
329	* Cache tab
330	*/
331	public function output_page_cache_tab() {
332	$wpo_cache = WP_Optimize()->get_page_cache();
333	$wpo_cache_options = $wpo_cache->config->get();
334	$display = $wpo_cache->is_enabled() ? "display: block;" : "display: none;";
335	$error = is_wp_error(WP_Optimize()->get_init_page_cache_status()) ? WP_Optimize()->get_init_page_cache_status()->get_error_message() : '';
336
337	WP_Optimize()->include_template('cache/page-cache.php', false, array(
338	'wpo_cache' => $wpo_cache,
339	'active_cache_plugins' => WP_Optimize_Detect_Cache_Plugins::instance()->get_active_cache_plugins(),
340	'wpo_cache_options' => $wpo_cache_options,
341	'cache_size' => $wpo_cache->get_cache_size(),
342	'display' => $display,
343	'can_purge_the_cache' => $wpo_cache->can_purge_cache(),
344	'auto_preload_purged_contents' => $wpo_cache->should_auto_preload_purged_contents(),
345	'does_server_handles_cache' => WP_Optimize()->does_server_handles_cache(),
346	'error' => $error,
347	));
348	}
349
350	/**
351	* Preload tab
352	*/
353	public function output_page_cache_preload_tab() {
354	$wpo_cache = WP_Optimize()->get_page_cache();
355	$wpo_cache_options = $wpo_cache->config->get();
356	$wpo_cache_preloader = WP_Optimize_Page_Cache_Preloader::instance();
357	$is_running = $wpo_cache_preloader->is_running();
358	$status = $wpo_cache_preloader->get_status_info();
359
360	WP_Optimize()->include_template('cache/page-cache-preload.php', false, array(
361	'wpo_cache_options' => $wpo_cache_options,
362	'is_running' => $is_running,
363	'status_message' => isset($status['message']) ? $status['message'] : '',
364	'schedule_options' => array(
365	'wpo_use_cache_lifespan' => __('Same as cache lifespan', 'wp-optimize'),
366	'wpo_daily' => __('Daily', 'wp-optimize'),
367	'wpo_weekly' => __('Weekly', 'wp-optimize'),
368	'wpo_fortnightly' => __('Fortnightly', 'wp-optimize'),
369	'wpo_monthly' => __('Monthly (approx. - every 30 days)', 'wp-optimize')
370	)
371	));
372	}
373
374	/**
375	* Advanced tab
376	*/
377	public function output_page_cache_advanced_tab() {
378	$wpo_cache = WP_Optimize()->get_page_cache();
379	$wpo_cache_options = $wpo_cache->config->get();
380
381	$cache_exception_conditional_tags = is_array($wpo_cache_options['cache_exception_conditional_tags']) ? join("\n", $wpo_cache_options['cache_exception_conditional_tags']) : '';
382	$cache_exception_urls = is_array($wpo_cache_options['cache_exception_urls']) ? join("\n", $wpo_cache_options['cache_exception_urls']) : '';
383	$cache_exception_cookies = is_array($wpo_cache_options['cache_exception_cookies']) ? join("\n", $wpo_cache_options['cache_exception_cookies']) : '';
384	$cache_exception_browser_agents = is_array($wpo_cache_options['cache_exception_browser_agents']) ? join("\n", $wpo_cache_options['cache_exception_browser_agents']) : '';
385
386	WP_Optimize()->include_template('cache/page-cache-advanced.php', false, array(
387	'wpo_cache' => $wpo_cache,
388	'wpo_cache_options' => $wpo_cache_options,
389	'cache_exception_urls' => $cache_exception_urls,
390	'cache_exception_conditional_tags' => $cache_exception_conditional_tags,
391	'cache_exception_cookies' => $cache_exception_cookies,
392	'cache_exception_browser_agents' => $cache_exception_browser_agents,
393	));
394	}
395
396	/**
397	* Gzip tab
398	*/
399	public function output_cache_gzip_tab() {
400	$wpo_gzip_compression = WP_Optimize()->get_gzip_compression();
401	$wpo_gzip_compression_enabled = $wpo_gzip_compression->is_gzip_compression_enabled(true);
402	$wpo_gzip_headers_information = $wpo_gzip_compression->get_headers_information();
403	$is_cloudflare_site = $this->is_cloudflare_site();
404	$is_gzip_compression_section_exists = $wpo_gzip_compression->is_gzip_compression_section_exists();
405	$wpo_gzip_compression_enabled_by_wpo = $is_gzip_compression_section_exists && $wpo_gzip_compression_enabled && !$is_cloudflare_site && !(is_array($wpo_gzip_headers_information) && 'brotli' == $wpo_gzip_headers_information['compression']);
406
407	WP_Optimize()->include_template('cache/gzip-compression.php', false, array(
408	'wpo_gzip_headers_information' => $wpo_gzip_headers_information,
409	'wpo_gzip_compression_enabled' => $wpo_gzip_compression_enabled,
410	'is_cloudflare_site' => $is_cloudflare_site,
411	'wpo_gzip_compression_enabled_by_wpo' => $wpo_gzip_compression_enabled_by_wpo,
412	'wpo_gzip_compression_settings_added' => $is_gzip_compression_section_exists,
413	'info_link' => 'https://getwpo.com/gzip-compression-explained/',
414	'faq_link' => 'https://getwpo.com/gzip-faq-link/',
415	'class_name' => (!is_wp_error($wpo_gzip_compression_enabled) && $wpo_gzip_compression_enabled ? 'wpo-enabled' : 'wpo-disabled')
416	));
417	}
418
419	/**
420	* Cache tab
421	*/
422	public function output_cache_settings_tab() {
423
424	$wpo_browser_cache = WP_Optimize()->get_browser_cache();
425	$wpo_browser_cache_enabled = $wpo_browser_cache->is_enabled();
426
427	WP_Optimize()->include_template('cache/browser-cache.php', false, array(
428	'wpo_browser_cache_enabled' => $wpo_browser_cache_enabled,
429	'is_cloudflare_site' => $this->is_cloudflare_site(),
430	'wpo_browser_cache_settings_added' => $wpo_browser_cache->is_browser_cache_section_exists(),
431	'class_name' => (true === $wpo_browser_cache_enabled ? 'wpo-enabled' : 'wpo-disabled'),
432	'wpo_browser_cache_expire_days' => WP_Optimize()->get_options()->get_option('browser_cache_expire_days', '28'),
433	'wpo_browser_cache_expire_hours' => WP_Optimize()->get_options()->get_option('browser_cache_expire_hours', '0'),
434	'info_link' => 'https://developer.mozilla.org/en-US/docs/Web/HTTP/Caching',
435	'faq_link' => 'https://www.digitalocean.com/community/tutorials/how-to-implement-browser-caching-with-nginx-s-header-module-on-ubuntu-16-04',
436	));
437	}
438
439	/**
440	* Check if is the current site handled with Cloudflare.
441	*
442	* @return bool
443	*/
444	public function is_cloudflare_site() {
445	return isset($_SERVER['HTTP_CF_RAY']);
446	}
447
448	/**
449	* Include Cloudflare settings template.
450	*/
451	public function output_cloudflare_settings() {
452	if (WP_Optimize::is_premium() \|\| !apply_filters('show_cloudflare_settings', $this->is_cloudflare_site())) return;
453
454	WP_Optimize()->include_template('cache/page-cache-cloudflare-placeholder.php');
455	}
456
457	/**
458	* Outputs the DB optimize Tab
459	*/
460	public function output_database_optimize_tab() {
461	$optimizer = WP_Optimize()->get_optimizer();
462	$options = WP_Optimize()->get_options();
463
464	// check if nonce passed.
465	$nonce_passed = (!empty($_REQUEST['_wpnonce']) && wp_verify_nonce($_REQUEST['_wpnonce'], 'wpo_optimization')) ? true : false;
466
467	// save options.
468	if ($nonce_passed && isset($_POST['wp-optimize'])) $options->save_sent_manual_run_optimization_options($_POST, true);
469
470	$optimize_db = ($nonce_passed && isset($_POST["optimize-db"])) ? true : false;
471
472	$optimization_results = (($nonce_passed) ? $optimizer->do_optimizations($_POST) : false);
473
474	// display optimizations table or restricted access message.
475	if (WP_Optimize()->can_run_optimizations()) {
476	WP_Optimize()->include_template('database/optimize-table.php', false, array('optimize_db' => $optimize_db, 'optimization_results' => $optimization_results, 'load_data' => false, 'does_server_allows_table_optimization' => WP_Optimize()->does_server_allows_table_optimization()));
477	} else {
478	$this->prevent_run_optimizations_message();
479	}
480	}
481
482	/**
483	* Outputs the DB Tables Tab
484	*/
485	public function output_database_tables_tab() {
486	// check if nonce passed.
487	$nonce_passed = (!empty($_REQUEST['_wpnonce']) && wp_verify_nonce($_REQUEST['_wpnonce'], 'wpo_optimization')) ? true : false;
488
489	$optimize_db = ($nonce_passed && isset($_POST["optimize-db"])) ? true : false;
490
491	if (!WP_Optimize()->does_server_allows_table_optimization()) {
492	$message = __('Your server takes care of table optimization', 'wp-optimize');
493	$this->prevent_run_optimizations_message($message);
494	} elseif (WP_Optimize()->can_run_optimizations()) {
495	WP_Optimize()->include_template('database/tables.php', false, array('optimize_db' => $optimize_db, 'load_data' => WP_Optimize()->template_should_include_data()));
496	} else {
497	$this->prevent_run_optimizations_message();
498	}
499	}
500
501	/**
502	* Runs upon the WP action admin_page_wpo_images_unused
503	*/
504	public function admin_page_wpo_images_unused() {
505	WP_Optimize()->include_template('images/unused.php');
506	}
507
508	/**
509	* Runs upon the WP action wp_optimize_admin_page_wpo_images_lazyload
510	*/
511	public function admin_page_wpo_images_lazyload() {
512	WP_Optimize()->include_template('images/lazyload.php');
513	}
514
515	/**
516	* Runs upon the WP action wp_optimize_admin_page_wpo_images_dimensions
517	*/
518	public function admin_page_wpo_images_dimensions() {
519	$options = WP_Optimize()->get_options();
520	$image_dimensions = $options->get_option('image_dimensions');
521	$ignore_classes = $options->get_option('image_dimensions_ignore_classes');
522	WP_Optimize()->include_template('images/dimensions.php', false, array(
523	'images_dimensions_status' => $image_dimensions,
524	'ignore_classes' => $ignore_classes ?: '',
525	));
526	}
527
528	/**
529	* Show footer review message and link.
530	*
531	* @return string
532	*/
533	public function display_footer_review_message() {
534	$message = sprintf(
535	__('Enjoyed %s? Please leave us a %s rating on %s or %s.', 'wp-optimize').' '.__('We really appreciate your support!', 'wp-optimize'),
536	'<b>WP-Optimize</b>',
537	'<span style="color:#2271b1">&starf;&starf;&starf;&starf;&starf;</span>',
538	'<a href="https://uk.trustpilot.com/review/getwpo.com" target="_blank">Trustpilot</a>',
539	'<a href="https://www.g2.com/products/wp-optimize/reviews" target="_blank">G2.com</a>'
540	);
541	return $message;
542	}
543
544	/**
545	* Adds menu in admin bar
546	*/
547	public function wpo_admin_bar() {
548	$wp_admin_bar = $GLOBALS['wp_admin_bar'];
549
550	if (defined('WPOPTIMIZE_ADMINBAR_DISABLE') && WPOPTIMIZE_ADMINBAR_DISABLE) return;
551
552	// Show menu item in top bar only for super admins.
553	if (is_multisite() & !is_super_admin(get_current_user_id())) return;
554
555	// Add a link called at the top admin bar.
556	$args = array(
557	'id' => 'wp-optimize-node',
558	'title' => apply_filters('wpoptimize_admin_node_title', 'WP-Optimize')
559	);
560	$wp_admin_bar->add_node($args);
561
562	$pages = $this->get_submenu_items();
563
564	foreach ($pages as $page_id => $page) {
565
566	if (!isset($page['create_submenu']) \|\| !$page['create_submenu']) {
567	if (isset($page['icon']) && 'separator' == $page['icon']) {
568	$args = array(
569	'id' => 'wpo-separator-'.$page_id,
570	'parent' => 'wp-optimize-node',
571	'meta' => array(
572	'class' => 'separator',
573	),
574	);
575	$wp_admin_bar->add_node($args);
576	}
577	continue;
578	}
579
580	// 'menu_slug' => 'WP-Optimize',
581
582	$menu_page_url = menu_page_url($page['menu_slug'], false);
583
584	if (is_multisite()) {
585	$menu_page_url = network_admin_url('admin.php?page='.$page['menu_slug']);
586	}
587
588	$args = array(
589	'id' => 'wpoptimize_admin_node_'.$page_id,
590	'title' => $page['menu_title'],
591	'parent' => 'wp-optimize-node',
592	'href' => $menu_page_url,
593	);
594	$wp_admin_bar->add_node($args);
595	}
596
597	}
598
599	/**
600	* Manages the admin bar menu for caching (currently page and minify)
601	*/
602	public function cache_admin_bar($wp_admin_bar) {
603
604	$options = WP_Optimize()->get_options();
605	if (!$options->get_option('enable_cache_in_admin_bar', true)) return;
606
607	/**
608	* The "purge cache" menu items
609	*
610	* @param array $menu_items - The menu items, in the format required by $wp_admin_bar->add_menu()
611	* @param object $wp_admin_bar
612	*/
613	$menu_items = apply_filters('wpo_cache_admin_bar_menu_items', array(), $wp_admin_bar);
614
615	if (empty($menu_items) \|\| !is_array($menu_items)) return;
616
617	$wp_admin_bar->add_menu(array(
618	'id' => 'wpo_purge_cache',
619	'title' => __('Purge cache', 'wp-optimize'),
620	'href' => '#',
621	'meta' => array(
622	'title' => __('Purge cache', 'wp-optimize'),
623	),
624	'parent' => false,
625	));
626
627	foreach ($menu_items as $item) {
628	$wp_admin_bar->add_menu($item);
629	}
630	}
631
632	/**
633	* Adds and displays menu and submenu pages
634	*/
635	public function admin_menu() {
636
637	$capability_required = WP_Optimize()->capability_required();
638	$can_run_optimizations = WP_Optimize()->can_run_optimizations();
639	$can_manage_options = WP_Optimize()->can_manage_options();
640
641	if (!current_user_can($capability_required) \|\| (!$can_run_optimizations && !$can_manage_options)) return;
642
643	$icon_svg = 'data:image/svg+xml;base64,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';
644
645	// Removes the admin menu items on the left WP bar.
646	if (!is_multisite() \|\| (is_multisite() && is_network_admin())) {
647	add_menu_page("WP-Optimize", "WP-Optimize", $capability_required, "WP-Optimize", array($this, "display_admin"), $icon_svg);
648
649	$sub_menu_items = $this->get_submenu_items();
650
651	foreach ($sub_menu_items as $menu_item) {
652	if ($menu_item['create_submenu']) add_submenu_page('WP-Optimize', $menu_item['page_title'], $menu_item['menu_title'], $capability_required, $menu_item['menu_slug'], $menu_item['function']);
653	}
654	}
655
656	$options = WP_Optimize()->get_options();
657
658	if ('true' == $options->get_option('enable-admin-menu', 'false')) {
659	add_action('wp_before_admin_bar_render', array($this, 'wpo_admin_bar'));
660	}
661	}
662
663	/**
664	* Get the submenu items
665	*
666	* @return array
667	*/
668	public function get_submenu_items() {
669	$sub_menu_items = array(
670	array(
671	'page_title' => __('Database', 'wp-optimize'),
672	'menu_title' => __('Database', 'wp-optimize'),
673	'menu_slug' => 'WP-Optimize',
674	'function' => array($this, 'display_admin'),
675	'icon' => 'cloud',
676	'create_submenu' => true,
677	'order' => 20,
678	),
679	array(
680	'page_title' => __('Images', 'wp-optimize'),
681	'menu_title' => __('Images', 'wp-optimize'),
682	'menu_slug' => 'wpo_images',
683	'function' => array($this, 'display_admin'),
684	'icon' => 'images-alt2',
685	'create_submenu' => true,
686	'order' => 30,
687	),
688	array(
689	'page_title' => __('Cache', 'wp-optimize'),
690	'menu_title' => __('Cache', 'wp-optimize'),
691	'menu_slug' => 'wpo_cache',
692	'function' => array($this, 'display_admin'),
693	'icon' => 'archive',
694	'create_submenu' => true,
695	'order' => 40,
696	),
697	array(
698	'page_title' => __('Minify', 'wp-optimize'),
699	'menu_title' => __('Minify', 'wp-optimize'),
700	'menu_slug' => 'wpo_minify',
701	'function' => array($this, 'display_admin'),
702	'icon' => 'dashboard',
703	'create_submenu' => true,
704	'order' => 50,
705	),
706	array(
707	'create_submenu' => false,
708	'order' => 55,
709	'icon' => 'separator',
710	),
711	array(
712	'page_title' => __('Settings', 'wp-optimize'),
713	'menu_title' => __('Settings', 'wp-optimize'),
714	'menu_slug' => 'wpo_settings',
715	'function' => array($this, 'display_admin'),
716	'icon' => 'admin-settings',
717	'create_submenu' => true,
718	'order' => 60,
719	),
720	array(
721	'page_title' => __('Support & FAQs', 'wp-optimize'),
722	'menu_title' => __('Help', 'wp-optimize'),
723	'menu_slug' => 'wpo_support',
724	'function' => array($this, 'display_admin'),
725	'icon' => 'sos',
726	'create_submenu' => true,
727	'order' => 60,
728	),
729	array(
730	'page_title' => __('Premium Upgrade', 'wp-optimize'),
731	'menu_title' => __('Premium Upgrade', 'wp-optimize'),
732	'menu_slug' => 'wpo_mayalso',
733	'function' => array($this, 'display_admin'),
734	'icon' => 'admin-plugins',
735	'create_submenu' => true,
736	'order' => 70,
737	),
738	);
739
740	$sub_menu_items = apply_filters('wp_optimize_sub_menu_items', $sub_menu_items);
741
742	usort($sub_menu_items, array($this, 'order_sort'));
743
744	return $sub_menu_items;
745	}
746
747	/**
748	* Order sorting function
749	*/
750	public function order_sort($a, $b) {
751	if ($a['order'] == $b['order']) return 0;
752	return ($a['order'] > $b['order']) ? 1 : -1;
753	}
754
755	/**
756	* Output information message for users who have no permissions to run optimizations.
757	*
758	* @param string $message Message to display
759	*/
760	public function prevent_run_optimizations_message($message = '') {
761	if (empty($message)) {
762	$message = __('You have no permissions to run optimizations.', 'wp-optimize');
763	}
764	WP_Optimize()->include_template('info-message.php', false, array('message' => $message));
765	}
766
767	/**
768	* Output information message for users who have no permissions to manage settings.
769	*/
770	public function prevent_manage_options_info() {
771	WP_Optimize()->include_template('info-message.php', false, array('message' => __('You have no permissions to manage WP-Optimize settings.', 'wp-optimize')));
772	}
773
774	/**
775	* Output success/error messages from $output array.
776	*
777	* @param array $output ['messages' => success messages, 'errors' => error messages]
778	*/
779	private function wpo_render_output_messages($output) {
780	foreach ($output['messages'] as $item) {
781	echo '<div class="updated fade below-h2"><strong>'.$item.'</strong></div>';
782	}
783
784	foreach ($output['errors'] as $item) {
785	echo '<div class="error fade below-h2"><strong>'.$item.'</strong></div>';
786	}
787	}
788	}
789	endif;
790