← All changes | mxchat-basic.php +279 -33 2.0.4 → 2.3.5 View file →

		@@ -1,9 +1,9 @@
1	1	<?php
2	2	/**
3	3	* Plugin Name: MxChat
4	4	* Description: AI chatbot for WordPress with OpenAI, Claude, xAI, DeepSeek, live agent, PDF uploads, WooCommerce, and training on website data.
5		- * Version: 2.0.4
	5	+ * Version: 2.3.5
6	6	* Author: MxChat
7	7	* Author URI: https://mxchat.ai
8	8	* License: GPLv2 or later
9	9	* License URI: https://www.gnu.org/licenses/gpl-2.0.html
		@@ -14,8 +14,10 @@
14	14	if (!defined('ABSPATH')) {
15	15	exit; // Exit if accessed directly.
16	16	}
17	17
	18	+// Define plugin version constant for asset versioning
	19	+define('MXCHAT_VERSION', '2.3.5');
18	20
19	21	function mxchat_load_textdomain() {
20	22	load_plugin_textdomain('mxchat', false, dirname(plugin_basename(__FILE__)) . '/languages');
21	23	}
		@@ -20,18 +22,60 @@
20	22	load_plugin_textdomain('mxchat', false, dirname(plugin_basename(__FILE__)) . '/languages');
21	23	}
22	24	add_action('plugins_loaded', 'mxchat_load_textdomain');
23	25
24		-// Include classes
25		-require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-integrator.php';
26		-require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-admin.php';
27		-require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-public.php';
28		-require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-utils.php';
29		-require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-user.php';
30		-require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-woocommerce.php';
31		-require_once plugin_dir_path(__FILE__) . 'includes/pdf-parser/alt_autoload.php';
32		-require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-word-handler.php';
	26	+// Include classes with error handling
	27	+function mxchat_include_classes() {
	28	+ $class_files = array(
	29	+ 'includes/class-mxchat-integrator.php',
	30	+ 'includes/class-mxchat-admin.php',
	31	+ 'includes/class-mxchat-public.php',
	32	+ 'includes/class-mxchat-utils.php',
	33	+ 'includes/class-mxchat-user.php',
	34	+ 'includes/pdf-parser/alt_autoload.php',
	35	+ 'includes/class-mxchat-word-handler.php',
	36	+ 'admin/class-ajax-handler.php',
	37	+ 'admin/class-pinecone-manager.php',
	38	+ 'admin/class-knowledge-manager.php'
	39	+ );
33	40
	41	+ foreach ($class_files as $file) {
	42	+ $file_path = plugin_dir_path(__FILE__) . $file;
	43	+ if (file_exists($file_path)) {
	44	+ require_once $file_path;
	45	+ } else {
	46	+ //error_log('MxChat: Missing class file - ' . $file);
	47	+ }
	48	+ }
	49	+}
	50	+
	51	+/**
	52	+ * NEW: Create URL click tracking table
	53	+ */
	54	+function mxchat_create_url_clicks_table() {
	55	+ global $wpdb;
	56	+
	57	+ $table_name = $wpdb->prefix . 'mxchat_url_clicks';
	58	+
	59	+ $charset_collate = $wpdb->get_charset_collate();
	60	+
	61	+ $sql = "CREATE TABLE $table_name (
	62	+ id mediumint(9) NOT NULL AUTO_INCREMENT,
	63	+ session_id varchar(100) NOT NULL,
	64	+ clicked_url text NOT NULL,
	65	+ message_context text,
	66	+ click_timestamp datetime DEFAULT CURRENT_TIMESTAMP,
	67	+ user_ip varchar(45),
	68	+ user_agent text,
	69	+ PRIMARY KEY (id),
	70	+ KEY session_id (session_id),
	71	+ KEY click_timestamp (click_timestamp)
	72	+ ) $charset_collate;";
	73	+
	74	+ require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
	75	+ dbDelta($sql);
	76	+}
	77	+
34	78	function mxchat_activate() {
35	79	global $wpdb;
36	80	$charset_collate = $wpdb->get_charset_collate();
37	81
		@@ -78,11 +122,18 @@
78	122	dbDelta($sql_chat_transcripts);
79	123	dbDelta($sql_system_prompt);
80	124	dbDelta($sql_intents_table);
81	125
	126	+ // NEW: Create URL click tracking table
	127	+ mxchat_create_url_clicks_table();
	128	+
82	129	// Ensure additional columns in `mxchat_chat_transcripts`
83	130	mxchat_add_missing_columns($chat_transcripts_table, 'user_identifier', 'VARCHAR(255)');
84	131	mxchat_add_missing_columns($chat_transcripts_table, 'user_email', 'VARCHAR(255) DEFAULT NULL');
	132	+
	133	+ // NEW: Add originating page tracking columns
	134	+ mxchat_add_missing_columns($chat_transcripts_table, 'originating_page_url', 'TEXT DEFAULT NULL');
	135	+ mxchat_add_missing_columns($chat_transcripts_table, 'originating_page_title', 'VARCHAR(500) DEFAULT NULL');
85	136
86	137	// Ensure additional columns in `mxchat_system_prompt_content`
87	138	mxchat_add_missing_columns($system_prompt_table, 'embedding_vector', 'LONGTEXT');
88	139	mxchat_add_missing_columns($system_prompt_table, 'source_url', 'VARCHAR(255) DEFAULT NULL');
		@@ -88,14 +139,87 @@
88	139	mxchat_add_missing_columns($system_prompt_table, 'source_url', 'VARCHAR(255) DEFAULT NULL');
89	140
90	141	// Set default thresholds for existing intents
91	142	$wpdb->query("UPDATE {$intents_table} SET similarity_threshold = 0.85 WHERE similarity_threshold IS NULL");
	143	+ mxchat_add_missing_columns($intents_table, 'enabled', 'TINYINT(1) NOT NULL DEFAULT 1');
92	144
93		- // Update plugin version in the database
94		- update_option('mxchat_plugin_version', '2.0.4');
	145	+ // SETUP CRON JOB HERE (ONCE ON ACTIVATION)
	146	+ mxchat_setup_cron_jobs();
	147	+
	148	+ // Use the constant instead of hardcoded version
	149	+ update_option('mxchat_plugin_version', MXCHAT_VERSION);
95	150	}
96	151
	152	+/**
	153	+ * Setup cron jobs on plugin activation
	154	+ */
	155	+function mxchat_setup_cron_jobs() {
	156	+ // Clear any existing cron jobs first
	157	+ wp_clear_scheduled_hook('mxchat_reset_rate_limits');
	158	+
	159	+ // Check if WordPress cron is disabled
	160	+ if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) {
	161	+ // Set flag to use fallback system
	162	+ update_option('mxchat_use_fallback_rate_limits', true);
	163	+ update_option('mxchat_next_rate_limit_check', time() + 3600);
	164	+ //error_log('MxChat: WordPress cron disabled, using fallback system');
	165	+ return;
	166	+ }
	167	+
	168	+ // Schedule the rate limit reset cron job
	169	+ $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
	170	+
	171	+ if ($result === false) {
	172	+ // Fallback if scheduling fails
	173	+ update_option('mxchat_use_fallback_rate_limits', true);
	174	+ update_option('mxchat_next_rate_limit_check', time() + 3600);
	175	+ //error_log('MxChat: Failed to schedule cron on activation, using fallback');
	176	+ } else {
	177	+ // Clear fallback flags if cron scheduling succeeded
	178	+ delete_option('mxchat_use_fallback_rate_limits');
	179	+ //error_log('MxChat: Successfully scheduled cron on activation');
	180	+ }
	181	+}
97	182
	183	+/**
	184	+ * Clean up on plugin deactivation
	185	+ */
	186	+function mxchat_deactivate() {
	187	+ // Clear scheduled cron jobs
	188	+ wp_clear_scheduled_hook('mxchat_reset_rate_limits');
	189	+
	190	+ // Clear fallback options
	191	+ delete_option('mxchat_use_fallback_rate_limits');
	192	+ delete_option('mxchat_next_rate_limit_check');
	193	+ delete_option('mxchat_fallback_check_interval');
	194	+
	195	+ //error_log('MxChat: Cleaned up cron jobs on deactivation');
	196	+}
	197	+
	198	+/**
	199	+ * Check if fallback rate limit cleanup is needed
	200	+ */
	201	+function mxchat_check_fallback_rate_limits() {
	202	+ $use_fallback = get_option('mxchat_use_fallback_rate_limits', false);
	203	+
	204	+ if (!$use_fallback) {
	205	+ return;
	206	+ }
	207	+
	208	+ $next_check = get_option('mxchat_next_rate_limit_check', 0);
	209	+
	210	+ if (time() >= $next_check) {
	211	+ // Only run reset if the MxChat_Integrator class exists
	212	+ if (class_exists('MxChat_Integrator')) {
	213	+ $integrator = new MxChat_Integrator();
	214	+ if (method_exists($integrator, 'mxchat_reset_rate_limits')) {
	215	+ $integrator->mxchat_reset_rate_limits();
	216	+ update_option('mxchat_next_rate_limit_check', time() + 3600);
	217	+ }
	218	+ }
	219	+ }
	220	+}
	221	+
98	222	function mxchat_add_missing_columns($table, $column_name, $column_type) {
99	223	global $wpdb;
100	224	$column_exists = $wpdb->get_results($wpdb->prepare("SHOW COLUMNS FROM $table LIKE %s", $column_name));
101	225	if (empty($column_exists)) {
		@@ -103,18 +227,76 @@
103	227	}
104	228	}
105	229
106	230	function mxchat_check_for_update() {
107		- $current_version = get_option('mxchat_plugin_version');
108		- $plugin_version = '2.0.4'; // Update with your latest version
	231	+ try {
	232	+ $current_version = get_option('mxchat_plugin_version');
	233	+ $plugin_version = MXCHAT_VERSION;
109	234
110		- if ($current_version !== $plugin_version) {
111		- mxchat_activate(); // Run the activation script to apply schema changes
112		- mxchat_migrate_live_agent_status(); // Add migration for live agent status
113		- update_option('mxchat_plugin_version', $plugin_version); // Update the version
	235	+ if ($current_version !== $plugin_version) {
	236	+ // Run live agent update BEFORE updating the stored version
	237	+ mxchat_handle_live_agent_update();
	238	+
	239	+ // Run existing update processes
	240	+ mxchat_activate();
	241	+ mxchat_migrate_live_agent_status();
	242	+
	243	+ // Add the new cleanup function for version 2.1.8
	244	+ if (version_compare($current_version, '2.1.8', '<')) {
	245	+ $deleted = mxchat_cleanup_orphaned_chat_history();
	246	+ }
	247	+
	248	+ // Update version LAST so the live agent update logic can work
	249	+ update_option('mxchat_plugin_version', $plugin_version);
	250	+ }
	251	+ } catch (Exception $e) {
	252	+ //error_log('MxChat update error: ' . $e->getMessage());
	253	+ // Don't update version if there was an error
114	254	}
115	255	}
116	256
	257	+/**
	258	+ * Clean up orphaned chat history options from the wp_options table
	259	+ * @return int Number of options deleted
	260	+ */
	261	+function mxchat_cleanup_orphaned_chat_history() {
	262	+ global $wpdb;
	263	+ $count = 0;
	264	+
	265	+ // Get all option keys that match our pattern
	266	+ $history_options = $wpdb->get_results(
	267	+ "SELECT option_name FROM {$wpdb->options}
	268	+ WHERE option_name LIKE 'mxchat_history_%'"
	269	+ );
	270	+
	271	+ if (!empty($history_options)) {
	272	+ foreach ($history_options as $option) {
	273	+ // Extract the session ID from the option name
	274	+ $session_id = str_replace('mxchat_history_', '', $option->option_name);
	275	+
	276	+ // Check if this session still exists in the custom table
	277	+ $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
	278	+ $exists = $wpdb->get_var(
	279	+ $wpdb->prepare(
	280	+ "SELECT COUNT(*) FROM {$table_name} WHERE session_id = %s",
	281	+ $session_id
	282	+ )
	283	+ );
	284	+
	285	+ // If session doesn't exist in the main table, delete the option
	286	+ if ($exists == 0) {
	287	+ delete_option($option->option_name);
	288	+ // Also delete related metadata
	289	+ delete_option("mxchat_email_{$session_id}");
	290	+ delete_option("mxchat_agent_name_{$session_id}");
	291	+ $count++;
	292	+ }
	293	+ }
	294	+ }
	295	+
	296	+ return $count;
	297	+}
	298	+
117	299	function mxchat_migrate_live_agent_status() {
118	300	$options = get_option('mxchat_options', []);
119	301
120	302	// Check if live_agent_status exists
		@@ -145,16 +327,90 @@
145	327	update_option('mxchat_options', $options);
146	328	}
147	329	}
148	330
	331	+function mxchat_handle_live_agent_update() {
	332	+ // Get the CURRENT stored version (before it gets updated)
	333	+ $current_version = get_option('mxchat_plugin_version', '0.0.0');
	334	+ $new_version = '2.2.2';
	335	+
	336	+ // Only run this once for the update to 2.2.2
	337	+ $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
	338	+
	339	+ // Check if we're upgrading TO 2.2.2 and haven't handled this yet
	340	+ if (version_compare($current_version, $new_version, '<') && !$update_handled) {
	341	+ $options = get_option('mxchat_options', array());
	342	+
	343	+ // Check if live agent was previously enabled
	344	+ if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
	345	+ // Disable live agent
	346	+ $options['live_agent_status'] = 'off';
	347	+ update_option('mxchat_options', $options);
	348	+
	349	+ // Set flag to show the notification banner
	350	+ update_option('mxchat_show_live_agent_disabled_notice', true);
	351	+ }
	352	+
	353	+ // Mark this update as handled
	354	+ update_option('mxchat_live_agent_update_2_2_2_handled', true);
	355	+ }
	356	+}
149	357
150		-// Run the update check function on every request
151		-add_action('plugins_loaded', 'mxchat_check_for_update');
	358	+// Initialize plugin safely
	359	+function mxchat_init() {
	360	+ // Include all class files first
	361	+ mxchat_include_classes();
	362	+
	363	+ // Run update check
	364	+ mxchat_check_for_update();
	365	+
	366	+ // Add fallback rate limit check
	367	+ add_action('init', 'mxchat_check_fallback_rate_limits', 5);
	368	+
	369	+ // Initialize classes with error handling
	370	+ try {
	371	+ // Initialize admin classes
	372	+ if (is_admin()) {
	373	+ if (class_exists('MxChat_Knowledge_Manager')) {
	374	+ $mxchat_knowledge_manager = new MxChat_Knowledge_Manager();
	375	+
	376	+ if (class_exists('MxChat_Admin')) {
	377	+ $mxchat_admin = new MxChat_Admin($mxchat_knowledge_manager);
	378	+ }
	379	+ }
	380	+ }
	381	+
	382	+ // Initialize public classes
	383	+ if (class_exists('MxChat_Public')) {
	384	+ $mxchat_public = new MxChat_Public();
	385	+ }
	386	+
	387	+ if (class_exists('MxChat_Integrator')) {
	388	+ $mxchat_integrator = new MxChat_Integrator();
	389	+ }
	390	+
	391	+ } catch (Exception $e) {
	392	+ //error_log('MxChat initialization error: ' . $e->getMessage());
	393	+
	394	+ // Show admin notice if there's an error
	395	+ if (is_admin()) {
	396	+ add_action('admin_notices', function() use ($e) {
	397	+ echo '<div class="notice notice-error"><p>';
	398	+ echo '<strong>MxChat Error:</strong> Plugin initialization failed. ';
	399	+ echo 'Please check error logs or contact support. Error: ' . esc_html($e->getMessage());
	400	+ echo '</p></div>';
	401	+ });
	402	+ }
	403	+ }
	404	+}
152	405
	406	+// Run initialization on plugins_loaded
	407	+add_action('plugins_loaded', 'mxchat_init');
	408	+
153	409	// Register activation hook
154	410	register_activation_hook(__FILE__, 'mxchat_activate');
155	411
156		-
	412	+// Add cron schedule
157	413	add_filter('cron_schedules', function($schedules) {
158	414	$schedules['one_minute'] = array(
159	415	'interval' => 60,
160	416	'display' => 'Every Minute'
		@@ -161,16 +417,6 @@
161	417	);
162	418	return $schedules;
163	419	});
164	420
165		-add_action('init', function() {
166		- add_action('mxchat_process_pdf_pages', array('MxChat_Admin', 'process_pdf_pages_cron'), 10, 5);
167		- add_action('mxchat_process_sitemap_urls', array('MxChat_Admin', 'process_sitemap_urls_cron'), 10, 5);
168		-});
169		-
170		-
171		-// Instantiate classes
172		-if (is_admin()) {
173		- $mxchat_admin = new MxChat_Admin();
174		-}
175		-$mxchat_public = new MxChat_Public();
176		-$mxchat_integrator = new MxChat_Integrator();
	421	+// Register deactivation hook
	422	+register_deactivation_hook(__FILE__, 'mxchat_deactivate');