echo-knowledge-base / echo-knowledge-base.php

echo-knowledge-base.php in Echo Knowledge Base – Documentation, FAQs, Chat & Smart Search 17.212.0, at echo-knowledge-base.php

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1	<?php
2	/**
3	* Plugin Name: Knowledge Base for Documents and FAQs
4	* Plugin URI: https://www.echoknowledgebase.com
5	* Description: Create Echo Knowledge Base articles, docs and FAQs.
6	* Version: 17.212.0
7	* Author: Echo Plugins
8	* Author URI: https://www.echoknowledgebase.com
9	* Text Domain: echo-knowledge-base
10	* Domain Path: /languages
11	* License: GPLv2 or later
12	* License URI: http://www.gnu.org/licenses/gpl-2.0.html
13	*
14	* Knowledge Base for Documents and FAQs is distributed under the terms of the GNU General Public License as published by
15	* the Free Software Foundation, either version 2 of the License, or
16	* any later version.
17	*
18	* Knowledge Base for Documents and FAQs is distributed in the hope that it will be useful,
19	* but WITHOUT ANY WARRANTY; without even the implied warranty of
20	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21	* GNU General Public License for more details.
22	*
23	* You should have received a copy of the GNU General Public License
24	* along with Knowledge Base for Documents and FAQs. If not, see <http://www.gnu.org/licenses/>.
25	*
26	*/
27
28	if ( ! defined( 'ABSPATH' ) ) exit;
29
30	if ( ! defined( 'EPKB_PLUGIN_NAME' ) ) {
31	define( 'EPKB_PLUGIN_NAME', 'Echo Knowledge Base' );
32	}
33
34	if ( ! class_exists( 'Echo_Knowledge_Base' ) ) :
35
36	/**
37	* Main class to load the plugin.
38	*
39	* Singleton
40	*/
41	final class Echo_Knowledge_Base {
42
43	/* @var Echo_Knowledge_Base */
44	private static $instance;
45
46	public static $version = '17.212.0';
47	public static $plugin_dir;
48	public static $plugin_url;
49	public static $plugin_file = __FILE__;
50	public static $needs_min_add_on_version = array( 'LAY' => '1.2.1', 'MKB' => '1.10.0', 'RTD' => '1.0.0', 'IDG' => '1.0.0', 'BLK' => '1.0.0',
51	'SEA' => '1.0.0', 'PRF' => '1.0.0', 'PIE' => '1.0.0', 'ART' => '1.0.0' );
52
53	/* @var EPKB_KB_Config_DB */
54	public $kb_config_obj;
55	/* @var EPKB_AI_Security */
56	public $security_obj;
57
58	/**
59	* Initialise the plugin
60	*/
61	private function __construct() {
62	self::$plugin_dir = plugin_dir_path( __FILE__ );
63	self::$plugin_url = plugin_dir_url( __FILE__ );
64	}
65
66	/**
67	* Retrieve or create a new instance of this main class (avoid global vars)
68	*
69	* @static
70	* @return Echo_Knowledge_Base
71	*/
72	public static function instance() {
73
74	if ( ! empty( self::$instance ) && ( self::$instance instanceof Echo_Knowledge_Base ) ) {
75	return self::$instance;
76	}
77
78	self::$instance = new Echo_Knowledge_Base();
79	self::$instance->setup_system();
80	EPKB_AI_Utilities::register_ai_pro_version_guard();
81	self::$instance->setup_plugin();
82
83	add_action( 'plugins_loaded', array( self::$instance, 'load_text_domain' ), 11 );
84
85	return self::$instance;
86	}
87
88	/**
89	* Setup class autoloading and other support functions. Setup custom core features.
90	*/
91	private function setup_system() {
92
93	// autoload classes ONLY when needed by executed code rather than on every page request
94	require_once self::$plugin_dir . 'includes/system/class-epkb-autoloader.php';
95
96	// register settings
97	self::$instance->kb_config_obj = new EPKB_KB_Config_DB();
98
99	// load non-classes
100	require_once self::$plugin_dir . 'includes/system/plugin-setup.php';
101	require_once self::$plugin_dir . 'includes/system/scripts-registration-public.php';
102	require_once self::$plugin_dir . 'includes/system/scripts-registration-admin.php';
103	require_once self::$plugin_dir . 'includes/system/plugin-links.php';
104	require_once self::$plugin_dir . 'includes/admin/blocks/blocks-json.php';
105
106	new EPKB_Upgrades();
107
108	// setup custom core features
109	new EPKB_Articles_CPT_Setup();
110	new EPKB_Articles_Admin();
111	new EPKB_FAQs_CPT_Setup();
112	new EPKB_Quizzes_CPT_Setup();
113	new EPKB_Quizzes_Setup();
114	new EPKB_Glossary_Taxonomy_Setup();
115	new EPKB_Glossary_Frontend();
116	new EPKB_Blocks_Setup();
117
118	new EPKB_Categories_Admin();
119	new EPKB_Template_Sync();
120	new EPKB_KB_Demo_Data();
121
122	$this->security_obj = new EPKB_AI_Security();
123	new EPKB_AI_REST_Search_Controller();
124	new EPKB_AI_REST_Chat_Controller();
125
126	// Setup Steps and Pointers for Help Resources page
127	new EPKB_Setup_Steps();
128	new EPKB_Setup_Pointers();
129	}
130
131	/**
132	* Setup plugin before it runs. Include functions and instantiate classes based on user action
133	*/
134	private function setup_plugin() {
135
136	$action = EPKB_Utilities::get( 'action' );
137
138	// process action request if any
139	if ( ! empty( $action ) ) {
140	$this->handle_action_request( $action );
141	}
142
143	// handle AJAX front & back-end requests (no admin, no admin bar)
144	if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
145	$this->handle_ajax_requests( $action );
146	return;
147	}
148
149	/** @disregard P1011 */
150	if ( is_admin() \|\| ( defined( 'WP_CLI' ) && WP_CLI ) ) {
151	if ( $this->is_kb_plugin_active_for_network( 'echo-knowledge-base/echo-knowledge-base.php' ) ) {
152	add_action( 'plugins_loaded', array( self::$instance, 'setup_backend_classes' ), 11 );
153	} else {
154	$this->setup_backend_classes();
155	}
156	new EPKB_Article_Count_Handler();
157	return;
158	}
159
160	// catch saving and creating of Post in Gutenberg
161	$server_referrer = isset( $_SERVER['HTTP_REFERER'] ) ? wp_unslash( $_SERVER['HTTP_REFERER'] ) : '';
162	if ( ! empty( $server_referrer ) && ( strpos( $server_referrer, '/wp-admin/post.php' ) !== false \|\| strpos( $server_referrer, '/wp-admin/post-new.php' ) !== false ) ) {
163	require_once self::$plugin_dir . 'includes/admin/admin-functions.php';
164	}
165
166	// FRONT-END (no ajax, possibly admin bar)
167	new EPKB_Layouts_Setup(); // KB Main page shortcode, list of themes
168	new EPKB_Articles_Setup();
169	new EPKB_Templates();
170	new EPKB_Shortcodes();
171	new EPKB_AI_Chat_Frontend();
172
173	// REST API controllers
174	new EPKB_AI_REST_Admin_Controller();
175	new EPKB_AI_REST_Training_Data_Controller();
176	new EPKB_AI_REST_Sync_Controller();
177	new EPKB_AI_REST_Content_Analysis_Controller();
178	new EPKB_AI_REST_Search_Results_Controller();
179	new EPKB_AI_REST_PDF_Extract_Controller();
180
181	EPKB_AI_Sync_Cron_Handler::init();
182	EPKB_AI_Search_Results_Display::init();
183	}
184
185	/**
186	* Handle plugin actions here such as saving settings
187	* @param $action
188	*/
189	private function handle_action_request( $action ) {
190
191	if ( in_array( $action, array( 'epkb_download_debug_info', 'epkb_download_ai_config' ), true ) ) {
192	new EPKB_Debug_Controller();
193	return;
194	}
195	}
196
197	/**
198	* Handle AJAX requests coming from front-end and back-end
199	* @param $action
200	*/
201	private function handle_ajax_requests( $action ) {
202
203	if ( empty( $action ) ) {
204	return;
205	}
206
207	if ( $action == 'epkb-search-kb' ) { // user searching KB
208	new EPKB_KB_Search();
209	return;
210	} else if ( in_array( $action, array( 'epkb_toggle_debug', 'epkb_enable_advanced_search_debug', 'epkb_show_logs', 'epkb_reset_logs' ) ) ) {
211	new EPKB_Debug_Controller();
212	return;
213	} else if ( in_array( $action, array( 'epkb_get_wizard_template', 'epkb_apply_wizard_changes', 'epkb_wizard_update_order_view', 'epkb_apply_setup_wizard_changes', 'epkb_get_wizard_preset_preview' ) ) ) {
214	new EPKB_KB_Wizard_Cntrl();
215	return;
216	} else if ( in_array( $action, array( 'epkb_wpml_enable', 'eckb_update_category_slug_parameter', 'eckb_update_tag_slug_parameter', 'epkb_preload_fonts',
217	'epkb_load_resource_links_icons', 'epkb_load_general_typography', 'epkb_save_access_control', 'epkb_apply_settings_changes', 'epkb_save_kb_name',
218	'epkb_save_sidebar_intro_text', 'epkb_switch_kb_template' ) ) ) {
219	new EPKB_KB_Config_Controller();
220	return;
221	} else if ( in_array( $action, array( 'epkb_reset_sequence', 'epkb_show_sequence' ) ) ) {
222	new EPKB_Reset();
223	return;
224	} else if ( in_array( $action, array( 'epkb_create_kb_demo_data' ) ) ) {
225	new EPKB_Controller();
226	return;
227	} else if ( in_array( $action, array( 'epkb_save_faq', 'epkb_get_faq', 'epkb_delete_faq', 'epkb_save_faq_group', 'epkb_delete_faq_group' ) ) ) {
228	new EPKB_FAQs_Ctrl();
229	return;
230	} else if ( in_array( $action, array( 'epkb_save_quiz', 'epkb_get_quiz', 'epkb_get_quiz_by_article', 'epkb_delete_quiz', 'epkb_generate_quiz', 'epkb_submit_quiz_attempt' ) ) ) {
231	new EPKB_Quizzes_Ctrl();
232	return;
233	} else if ( in_array( $action, array( 'epkb_glossary_save_term', 'epkb_glossary_delete_term', 'epkb_glossary_get_term', 'epkb_glossary_bulk_publish', 'epkb_glossary_bulk_delete' ) ) ) {
234	new EPKB_Glossary_Ctrl();
235	return;
236	} else if ( in_array( $action, array( 'epkb_faq_get_shortcode' ) ) ) {
237	new EPKB_FAQs_AJAX();
238	return;
239	} else if ( in_array( $action, array( 'epkb_editor_error', 'eckb_hide_fe_toggle_button' ) ) ) {
240	new EPKB_Frontend_Editor();
241	return;
242	} else if ( in_array( $action, array( 'epkb_ai_beta_signup' ) ) ) {
243	new EPKB_AI_Admin_Page;
244	return;
245	} else if ( in_array( $action, array( 'epkb_ai_get_php_error_logs', 'epkb_ai_get_wp_error_logs', 'epkb_ai_get_ai_logs', 'epkb_ai_clear_ai_logs' ) ) ) {
246	new EPKB_AI_Tools_Debug_Tab();
247	return;
248	} else if ( $action == 'epkb_ai_toggle_debug_mode' ) {
249	new EPKB_AI_Tools_Tab();
250	return;
251	} else if ( in_array( $action, array( 'epkb_get_ai_status', 'epkb_vote_for_features', 'epkb_submit_empty_content_report' ) ) ) {
252	new EPKB_AI_Dashboard_Tab();
253	return;
254	} else if ( in_array( $action, array( 'epkb_kb_vote_for_features', 'epkb_enable_glossary', 'epkb_enable_quizzes' ) ) ) {
255	new EPKB_Dashboard_Page();
256	return;
257	} else if ( $action == 'epkb_check_training_data_sync' ) {
258	new EPKB_AI_Dashboard_Tab();
259	return;
260	}
261
262	if ( $action == 'add-tag' ) {
263	new EPKB_KB_Config_Category();
264	return;
265	}
266
267	if ( $action == 'epkb_dismiss_ongoing_notice' ) {
268	new EPKB_Admin_Notices( true );
269	return;
270	}
271
272	if ( $action == 'epkb_deactivate_feedback' ) {
273	new EPKB_Deactivate_Feedback();
274	return;
275	}
276
277	if ( in_array( $action, array( 'epkb_load_articles_list', 'epkb_convert_kb_content' ) ) ) {
278	new EPKB_Convert_Ctrl();
279	return;
280	}
281
282	if ( in_array( $action, array( 'epkb_import_pdf_article', 'epkb_ai_extract_pdf_text', 'epkb_prepare_pdf_content' ) ) ) {
283	new EPKB_PDF_Import_Ctrl();
284	return;
285	}
286
287	if ( $action == 'epkb_update_the_content_flag' ) {
288	new EPKB_Articles_Setup();
289	return;
290	}
291
292	if ( $action == 'epkb_delete_all_kb_data' ) {
293	new EPKB_Delete_KB();
294	return;
295	}
296
297	if ( $action == 'epkb_count_article_view' ) {
298	new EPKB_Article_Count_Cntrl();
299	return;
300	}
301
302	if ( in_array( $action, array( 'epkb_toggle_article_views_counter', 'epkb_get_filtered_analytics' ) ) ) {
303	new EPKB_Analytics_Page();
304	return;
305	}
306
307	if ( in_array( $action, array( 'eckb_apply_fe_settings', 'eckb_save_fe_settings', 'eckb_save_fe_article_settings', 'eckb_save_fe_archive_settings', 'eckb_closed_fe_editor' ) ) ) {
308	new EPKB_Frontend_Editor();
309	return;
310	}
311
312	// Elementor AJAX save - register hooks to convert text-editor widgets with KB shortcode to shortcode widgets
313	if ( $action == 'elementor_ajax' ) {
314	new EPKB_Site_Builders();
315	return;
316	}
317	}
318
319	/**
320	* Setup up classes when on ADMIN pages
321	*/
322	public function setup_backend_classes() {
323	global $pagenow;
324
325	$is_kb_request = EPKB_KB_Handler::is_kb_request();
326	$request_page = empty( $_REQUEST['page'] ) ? '' : EPKB_Utilities::request_key( 'page' );
327	$admin_pages = [ 'post.php', 'edit.php', 'post-new.php', 'edit-tags.php', 'term.php' ];
328
329	// show KB notice and AI Help Sidebar on our pages or when potential KB Main Page is being edited
330	if ( $is_kb_request && in_array( $pagenow, $admin_pages ) ) {
331	new EPKB_Admin_Notices();
332	}
333
334	// article new page
335	if ( $is_kb_request && $pagenow == 'post-new.php' ) {
336	add_action( 'admin_enqueue_scripts', 'epkb_load_admin_article_page_styles' );
337	}
338
339	// article edit page - include scripts to show categories box
340	// phpcs:disable WordPress.Security.NonceVerification.Recommended
341	if ( $pagenow == 'post.php' && ! empty( $_REQUEST['post'] ) && ! empty( $_REQUEST['action'] ) && $_REQUEST['action'] == 'edit' ) {
342	$kb_post_type = get_post_type( sanitize_text_field( wp_unslash( $_REQUEST['post'] ) ) );
343	if ( EPKB_KB_Handler::is_kb_post_type( $kb_post_type ) ) {
344	add_action( 'admin_enqueue_scripts', 'epkb_load_admin_article_page_styles' );
345	}
346	}
347
348	// include our admin scripts on our admin pages (submenus of KB menu) but not on Edit/Add page due to blocks etc.
349	if ( $is_kb_request && $pagenow != 'post-new.php' && $pagenow != 'post.php' ) {
350
351	// KB Configuration Page
352	if ( $request_page == 'epkb-kb-configuration' ) {
353
354	// Setup Wizard
355	if ( isset( $_GET['setup-wizard-on'] ) ) {
356	add_action( 'admin_enqueue_scripts', 'epkb_load_admin_kb_setup_wizard_script' );
357
358	// Usual KB Configuration page
359	} else {
360	add_action( 'admin_enqueue_scripts', 'epkb_load_admin_kb_wizards_script' );
361	add_action( 'admin_enqueue_scripts', 'epkb_load_admin_plugin_pages_resources' );
362	}
363
364	// KB Admin Pages (not config)
365	} else {
366	add_action( 'admin_enqueue_scripts', 'epkb_load_admin_plugin_pages_resources' );
367	}
368	}
369
370	// on Category page show category icon selection feature
371	if ( $is_kb_request && ( $pagenow == 'term.php' \|\| $pagenow == 'edit-tags.php' ) ) {
372	new EPKB_KB_Config_Category();
373	}
374
375	// admin core classes
376	require_once self::$plugin_dir . 'includes/admin/admin-menu.php';
377	require_once self::$plugin_dir . 'includes/admin/admin-functions.php';
378
379	if ( ! empty( $pagenow ) && in_array( $pagenow, [ 'plugins.php', 'plugins-network.php' ] ) ) {
380	new EPKB_Deactivate_Feedback();
381	}
382
383	new EPKB_AI_Admin_Page();
384	// TODO new EPKB_AI_Sync_Hooks();
385
386	// Initialize Analytics Page to register AJAX handlers
387	new EPKB_Analytics_Page();
388	}
389
390	public function load_text_domain() {
391
392	EPKB_KB_Config_Specs::reset_cache_specs();
393
394	/** Check for a translation file in includes/languages/plugins/echo-knowledge-base-LOCALE.mo or .php.
395	If it does not find one, it will try the default path you specify (the /languages directory in your plugin). */
396	load_plugin_textdomain( 'echo-knowledge-base', false, dirname( plugin_basename( __FILE__ ) ) . '/languages' );
397	}
398
399	// Don't allow this singleton to be cloned.
400	public function __clone() {
401	_doing_it_wrong( __FUNCTION__, 'Invalid (#1)', '4.0' );
402	}
403
404	// Don't allow un-serializing of the class except when testing
405	public function __wakeup() {
406	_doing_it_wrong( __FUNCTION__, 'Invalid (#1)', '4.0' );
407	}
408
409	private function is_kb_plugin_active_for_network( $plugin ) {
410	if ( ! is_multisite() ) {
411	return false;
412	}
413
414	$plugins = get_site_option( 'active_sitewide_plugins' );
415	if ( isset( $plugins[ $plugin ] ) ) {
416	return true;
417	}
418
419	return false;
420	}
421	}
422
423	/**
424	* Returns the single instance of this class
425	* @return Echo_Knowledge_Base - this class instance
426	*/
427	function epkb_get_instance() {
428	return Echo_Knowledge_Base::instance();
429	}
430	epkb_get_instance();
431
432	endif; // end class_exists() check
433