mxchat-basic / mxchat-basic.php

mxchat-basic.php in MxChat – AI Chatbot & Content Generation for WordPress 2.0.5, at mxchat-basic.php

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1	<?php
2	/**
3	* Plugin Name: MxChat
4	* Description: AI chatbot for WordPress with OpenAI, Claude, xAI, DeepSeek, live agent, PDF uploads, WooCommerce, and training on website data.
5	* Version: 2.0.5
6	* Author: MxChat
7	* Author URI: https://mxchat.ai
8	* License: GPLv2 or later
9	* License URI: https://www.gnu.org/licenses/gpl-2.0.html
10	* Text Domain: mxchat
11	* Domain Path: /languages
12	*/
13
14	if (!defined('ABSPATH')) {
15	exit; // Exit if accessed directly.
16	}
17
18
19	function mxchat_load_textdomain() {
20	load_plugin_textdomain('mxchat', false, dirname(plugin_basename(__FILE__)) . '/languages');
21	}
22	add_action('plugins_loaded', 'mxchat_load_textdomain');
23
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';
33
34	function mxchat_activate() {
35	global $wpdb;
36	$charset_collate = $wpdb->get_charset_collate();
37
38	// Chat Transcripts Table
39	$chat_transcripts_table = $wpdb->prefix . 'mxchat_chat_transcripts';
40	$sql_chat_transcripts = "CREATE TABLE $chat_transcripts_table (
41	id MEDIUMINT(9) NOT NULL AUTO_INCREMENT,
42	user_id MEDIUMINT(9) DEFAULT 0,
43	session_id VARCHAR(255) NOT NULL,
44	role VARCHAR(255) NOT NULL,
45	message TEXT NOT NULL,
46	user_email VARCHAR(255) DEFAULT NULL,
47	timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
48	PRIMARY KEY (id)
49	) $charset_collate;";
50
51	// System Prompt Content Table
52	$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
53	$sql_system_prompt = "CREATE TABLE $system_prompt_table (
54	id MEDIUMINT(9) NOT NULL AUTO_INCREMENT,
55	url VARCHAR(255) NOT NULL,
56	article_content LONGTEXT NOT NULL,
57	embedding_vector LONGTEXT,
58	source_url VARCHAR(255) DEFAULT NULL,
59	timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
60	PRIMARY KEY (id)
61	) $charset_collate;";
62
63	// Intents Table
64	$intents_table = $wpdb->prefix . 'mxchat_intents';
65	$sql_intents_table = "CREATE TABLE $intents_table (
66	id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
67	intent_label VARCHAR(255) NOT NULL,
68	phrases TEXT NOT NULL,
69	embedding_vector LONGTEXT NOT NULL,
70	callback_function VARCHAR(255) NOT NULL,
71	similarity_threshold FLOAT DEFAULT 0.85,
72	PRIMARY KEY (id)
73	) $charset_collate;";
74
75	require_once ABSPATH . 'wp-admin/includes/upgrade.php';
76
77	// Create or update tables
78	dbDelta($sql_chat_transcripts);
79	dbDelta($sql_system_prompt);
80	dbDelta($sql_intents_table);
81
82	// Ensure additional columns in `mxchat_chat_transcripts`
83	mxchat_add_missing_columns($chat_transcripts_table, 'user_identifier', 'VARCHAR(255)');
84	mxchat_add_missing_columns($chat_transcripts_table, 'user_email', 'VARCHAR(255) DEFAULT NULL');
85
86	// Ensure additional columns in `mxchat_system_prompt_content`
87	mxchat_add_missing_columns($system_prompt_table, 'embedding_vector', 'LONGTEXT');
88	mxchat_add_missing_columns($system_prompt_table, 'source_url', 'VARCHAR(255) DEFAULT NULL');
89
90	// Set default thresholds for existing intents
91	$wpdb->query("UPDATE {$intents_table} SET similarity_threshold = 0.85 WHERE similarity_threshold IS NULL");
92
93	// Update plugin version in the database
94	update_option('mxchat_plugin_version', '2.0.5');
95	}
96
97
98	function mxchat_add_missing_columns($table, $column_name, $column_type) {
99	global $wpdb;
100	$column_exists = $wpdb->get_results($wpdb->prepare("SHOW COLUMNS FROM $table LIKE %s", $column_name));
101	if (empty($column_exists)) {
102	$wpdb->query("ALTER TABLE $table ADD COLUMN $column_name $column_type");
103	}
104	}
105
106	function mxchat_check_for_update() {
107	$current_version = get_option('mxchat_plugin_version');
108	$plugin_version = '2.0.5'; // Update with your latest version
109
110	if ($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
114	}
115	}
116
117	function mxchat_migrate_live_agent_status() {
118	$options = get_option('mxchat_options', []);
119
120	// Check if live_agent_status exists
121	if (isset($options['live_agent_status'])) {
122	$current_status = $options['live_agent_status'];
123	$needs_update = false;
124
125	// Convert to new format if needed
126	if ($current_status === 'online') {
127	$options['live_agent_status'] = 'on';
128	$needs_update = true;
129	} else if ($current_status === 'offline') {
130	$options['live_agent_status'] = 'off';
131	$needs_update = true;
132	} else if (!in_array($current_status, ['on', 'off'])) {
133	// Default to off for any unexpected values
134	$options['live_agent_status'] = 'off';
135	$needs_update = true;
136	}
137
138	// Only update if needed
139	if ($needs_update) {
140	update_option('mxchat_options', $options);
141	}
142	} else {
143	// If status doesn't exist, set default to off
144	$options['live_agent_status'] = 'off';
145	update_option('mxchat_options', $options);
146	}
147	}
148
149
150	// Run the update check function on every request
151	add_action('plugins_loaded', 'mxchat_check_for_update');
152
153	// Register activation hook
154	register_activation_hook(__FILE__, 'mxchat_activate');
155
156
157	add_filter('cron_schedules', function($schedules) {
158	$schedules['one_minute'] = array(
159	'interval' => 60,
160	'display' => 'Every Minute'
161	);
162	return $schedules;
163	});
164
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();
177