← All changes | mxchat-basic.php +245 -32 2.0.6 → 2.3.4 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: 2.0.6
	5	+ * Version: 2.3.4
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', '2.3.4');
18	20
19	21	function mxchat_load_textdomain() {
20	22	load_plugin_textdomain('mxchat', false, dirname(plugin_basename(__FILE__)) . '/languages');
21	23	}
		@@ -20,17 +22,33 @@
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/pdf-parser/alt_autoload.php';
31		-require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-word-handler.php';
	26	+// Include classes with error handling
	27	+function mxchat_include_classes() {
	28	+ $class_files = array(
	29	+ 'includes/class-mxchat-integrator.php',
	30	+ 'includes/class-mxchat-admin.php',
	31	+ 'includes/class-mxchat-public.php',
	32	+ 'includes/class-mxchat-utils.php',
	33	+ 'includes/class-mxchat-user.php',
	34	+ 'includes/pdf-parser/alt_autoload.php',
	35	+ 'includes/class-mxchat-word-handler.php',
	36	+ 'admin/class-ajax-handler.php',
	37	+ 'admin/class-pinecone-manager.php',
	38	+ 'admin/class-knowledge-manager.php'
	39	+ );
32	40
	41	+ foreach ($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	+
33	51	function mxchat_activate() {
34	52	global $wpdb;
35	53	$charset_collate = $wpdb->get_charset_collate();
36	54
		@@ -87,14 +105,87 @@
87	105	mxchat_add_missing_columns($system_prompt_table, 'source_url', 'VARCHAR(255) DEFAULT NULL');
88	106
89	107	// Set default thresholds for existing intents
90	108	$wpdb->query("UPDATE {$intents_table} SET similarity_threshold = 0.85 WHERE similarity_threshold IS NULL");
	109	+ mxchat_add_missing_columns($intents_table, 'enabled', 'TINYINT(1) NOT NULL DEFAULT 1');
91	110
92		- // Update plugin version in the database
93		- update_option('mxchat_plugin_version', '2.0.6');
	111	+ // SETUP CRON JOB HERE (ONCE ON ACTIVATION)
	112	+ mxchat_setup_cron_jobs();
	113	+
	114	+ // Use the constant instead of hardcoded version
	115	+ update_option('mxchat_plugin_version', MXCHAT_VERSION);
94	116	}
95	117
	118	+/**
	119	+ * Setup cron jobs on plugin activation
	120	+ */
	121	+function mxchat_setup_cron_jobs() {
	122	+ // Clear any existing cron jobs first
	123	+ wp_clear_scheduled_hook('mxchat_reset_rate_limits');
	124	+
	125	+ // Check if WordPress cron is disabled
	126	+ if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) {
	127	+ // Set flag to use fallback system
	128	+ update_option('mxchat_use_fallback_rate_limits', true);
	129	+ update_option('mxchat_next_rate_limit_check', time() + 3600);
	130	+ error_log('MxChat: WordPress cron disabled, using fallback system');
	131	+ return;
	132	+ }
	133	+
	134	+ // Schedule the rate limit reset cron job
	135	+ $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
	136	+
	137	+ if ($result === false) {
	138	+ // Fallback if scheduling fails
	139	+ update_option('mxchat_use_fallback_rate_limits', true);
	140	+ update_option('mxchat_next_rate_limit_check', time() + 3600);
	141	+ error_log('MxChat: Failed to schedule cron on activation, using fallback');
	142	+ } else {
	143	+ // Clear fallback flags if cron scheduling succeeded
	144	+ delete_option('mxchat_use_fallback_rate_limits');
	145	+ error_log('MxChat: Successfully scheduled cron on activation');
	146	+ }
	147	+}
96	148
	149	+/**
	150	+ * Clean up on plugin deactivation
	151	+ */
	152	+function mxchat_deactivate() {
	153	+ // Clear scheduled cron jobs
	154	+ wp_clear_scheduled_hook('mxchat_reset_rate_limits');
	155	+
	156	+ // Clear fallback options
	157	+ delete_option('mxchat_use_fallback_rate_limits');
	158	+ delete_option('mxchat_next_rate_limit_check');
	159	+ delete_option('mxchat_fallback_check_interval');
	160	+
	161	+ error_log('MxChat: Cleaned up cron jobs on deactivation');
	162	+}
	163	+
	164	+/**
	165	+ * Check if fallback rate limit cleanup is needed
	166	+ */
	167	+function mxchat_check_fallback_rate_limits() {
	168	+ $use_fallback = get_option('mxchat_use_fallback_rate_limits', false);
	169	+
	170	+ if (!$use_fallback) {
	171	+ return;
	172	+ }
	173	+
	174	+ $next_check = get_option('mxchat_next_rate_limit_check', 0);
	175	+
	176	+ if (time() >= $next_check) {
	177	+ // Only run reset if the MxChat_Integrator class exists
	178	+ if (class_exists('MxChat_Integrator')) {
	179	+ $integrator = new MxChat_Integrator();
	180	+ if (method_exists($integrator, 'mxchat_reset_rate_limits')) {
	181	+ $integrator->mxchat_reset_rate_limits();
	182	+ update_option('mxchat_next_rate_limit_check', time() + 3600);
	183	+ }
	184	+ }
	185	+ }
	186	+}
	187	+
97	188	function mxchat_add_missing_columns($table, $column_name, $column_type) {
98	189	global $wpdb;
99	190	$column_exists = $wpdb->get_results($wpdb->prepare("SHOW COLUMNS FROM $table LIKE %s", $column_name));
100	191	if (empty($column_exists)) {
		@@ -102,18 +193,76 @@
102	193	}
103	194	}
104	195
105	196	function mxchat_check_for_update() {
106		- $current_version = get_option('mxchat_plugin_version');
107		- $plugin_version = '2.0.6'; // Update with your latest version
	197	+ try {
	198	+ $current_version = get_option('mxchat_plugin_version');
	199	+ $plugin_version = MXCHAT_VERSION;
108	200
109		- if ($current_version !== $plugin_version) {
110		- mxchat_activate(); // Run the activation script to apply schema changes
111		- mxchat_migrate_live_agent_status(); // Add migration for live agent status
112		- update_option('mxchat_plugin_version', $plugin_version); // Update the version
	201	+ if ($current_version !== $plugin_version) {
	202	+ // Run live agent update BEFORE updating the stored version
	203	+ mxchat_handle_live_agent_update();
	204	+
	205	+ // Run existing update processes
	206	+ mxchat_activate();
	207	+ mxchat_migrate_live_agent_status();
	208	+
	209	+ // Add the new cleanup function for version 2.1.8
	210	+ if (version_compare($current_version, '2.1.8', '<')) {
	211	+ $deleted = mxchat_cleanup_orphaned_chat_history();
	212	+ }
	213	+
	214	+ // Update version LAST so the live agent update logic can work
	215	+ update_option('mxchat_plugin_version', $plugin_version);
	216	+ }
	217	+ } catch (Exception $e) {
	218	+ error_log('MxChat update error: ' . $e->getMessage());
	219	+ // Don't update version if there was an error
113	220	}
114	221	}
115	222
	223	+/**
	224	+ * Clean up orphaned chat history options from the wp_options table
	225	+ * @return int Number of options deleted
	226	+ */
	227	+function mxchat_cleanup_orphaned_chat_history() {
	228	+ global $wpdb;
	229	+ $count = 0;
	230	+
	231	+ // Get all option keys that match our pattern
	232	+ $history_options = $wpdb->get_results(
	233	+ "SELECT option_name FROM {$wpdb->options}
	234	+ WHERE option_name LIKE 'mxchat_history_%'"
	235	+ );
	236	+
	237	+ if (!empty($history_options)) {
	238	+ foreach ($history_options as $option) {
	239	+ // Extract the session ID from the option name
	240	+ $session_id = str_replace('mxchat_history_', '', $option->option_name);
	241	+
	242	+ // Check if this session still exists in the custom table
	243	+ $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
	244	+ $exists = $wpdb->get_var(
	245	+ $wpdb->prepare(
	246	+ "SELECT COUNT(*) FROM {$table_name} WHERE session_id = %s",
	247	+ $session_id
	248	+ )
	249	+ );
	250	+
	251	+ // If session doesn't exist in the main table, delete the option
	252	+ if ($exists == 0) {
	253	+ delete_option($option->option_name);
	254	+ // Also delete related metadata
	255	+ delete_option("mxchat_email_{$session_id}");
	256	+ delete_option("mxchat_agent_name_{$session_id}");
	257	+ $count++;
	258	+ }
	259	+ }
	260	+ }
	261	+
	262	+ return $count;
	263	+}
	264	+
116	265	function mxchat_migrate_live_agent_status() {
117	266	$options = get_option('mxchat_options', []);
118	267
119	268	// Check if live_agent_status exists
		@@ -144,16 +293,90 @@
144	293	update_option('mxchat_options', $options);
145	294	}
146	295	}
147	296
	297	+function mxchat_handle_live_agent_update() {
	298	+ // Get the CURRENT stored version (before it gets updated)
	299	+ $current_version = get_option('mxchat_plugin_version', '0.0.0');
	300	+ $new_version = '2.2.2';
	301	+
	302	+ // Only run this once for the update to 2.2.2
	303	+ $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
	304	+
	305	+ // Check if we're upgrading TO 2.2.2 and haven't handled this yet
	306	+ if (version_compare($current_version, $new_version, '<') && !$update_handled) {
	307	+ $options = get_option('mxchat_options', array());
	308	+
	309	+ // Check if live agent was previously enabled
	310	+ if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
	311	+ // Disable live agent
	312	+ $options['live_agent_status'] = 'off';
	313	+ update_option('mxchat_options', $options);
	314	+
	315	+ // Set flag to show the notification banner
	316	+ update_option('mxchat_show_live_agent_disabled_notice', true);
	317	+ }
	318	+
	319	+ // Mark this update as handled
	320	+ update_option('mxchat_live_agent_update_2_2_2_handled', true);
	321	+ }
	322	+}
148	323
149		-// Run the update check function on every request
150		-add_action('plugins_loaded', 'mxchat_check_for_update');
	324	+// Initialize plugin safely
	325	+function mxchat_init() {
	326	+ // Include all class files first
	327	+ mxchat_include_classes();
	328	+
	329	+ // Run update check
	330	+ mxchat_check_for_update();
	331	+
	332	+ // Add fallback rate limit check
	333	+ add_action('init', 'mxchat_check_fallback_rate_limits', 5);
	334	+
	335	+ // Initialize classes with error handling
	336	+ try {
	337	+ // Initialize admin classes
	338	+ if (is_admin()) {
	339	+ if (class_exists('MxChat_Knowledge_Manager')) {
	340	+ $mxchat_knowledge_manager = new MxChat_Knowledge_Manager();
	341	+
	342	+ if (class_exists('MxChat_Admin')) {
	343	+ $mxchat_admin = new MxChat_Admin($mxchat_knowledge_manager);
	344	+ }
	345	+ }
	346	+ }
	347	+
	348	+ // Initialize public classes
	349	+ if (class_exists('MxChat_Public')) {
	350	+ $mxchat_public = new MxChat_Public();
	351	+ }
	352	+
	353	+ if (class_exists('MxChat_Integrator')) {
	354	+ $mxchat_integrator = new MxChat_Integrator();
	355	+ }
	356	+
	357	+ } catch (Exception $e) {
	358	+ error_log('MxChat initialization error: ' . $e->getMessage());
	359	+
	360	+ // Show admin notice if there's an error
	361	+ if (is_admin()) {
	362	+ add_action('admin_notices', function() use ($e) {
	363	+ echo '<div class="notice notice-error"><p>';
	364	+ echo '<strong>MxChat Error:</strong> Plugin initialization failed. ';
	365	+ echo 'Please check error logs or contact support. Error: ' . esc_html($e->getMessage());
	366	+ echo '</p></div>';
	367	+ });
	368	+ }
	369	+ }
	370	+}
151	371
	372	+// Run initialization on plugins_loaded
	373	+add_action('plugins_loaded', 'mxchat_init');
	374	+
152	375	// Register activation hook
153	376	register_activation_hook(__FILE__, 'mxchat_activate');
154	377
155		-
	378	+// Add cron schedule
156	379	add_filter('cron_schedules', function($schedules) {
157	380	$schedules['one_minute'] = array(
158	381	'interval' => 60,
159	382	'display' => 'Every Minute'
		@@ -160,16 +383,6 @@
160	383	);
161	384	return $schedules;
162	385	});
163	386
164		-add_action('init', function() {
165		- add_action('mxchat_process_pdf_pages', array('MxChat_Admin', 'process_pdf_pages_cron'), 10, 5);
166		- add_action('mxchat_process_sitemap_urls', array('MxChat_Admin', 'process_sitemap_urls_cron'), 10, 5);
167		-});
168		-
169		-
170		-// Instantiate classes
171		-if (is_admin()) {
172		- $mxchat_admin = new MxChat_Admin();
173		-}
174		-$mxchat_public = new MxChat_Public();
175		-$mxchat_integrator = new MxChat_Integrator();
	387	+// Register deactivation hook
	388	+register_deactivation_hook(__FILE__, 'mxchat_deactivate');