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<?php |
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/** |
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* Plugin Name: MxChat |
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* Description: AI chatbot for WordPress with OpenAI, Claude, xAI, live agent transfer, PDF uploads, WooCommerce, and training on website data. |
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* Version: 1.5.5 |
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* Author: MxChat |
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* Author URI: https://mxchat.ai |
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* License: GPLv2 or later |
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* License URI: https://www.gnu.org/licenses/gpl-2.0.html |
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*/ |
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|
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if (!defined('ABSPATH')) { |
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exit; // Exit if accessed directly. |
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} |
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|
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// Include classes |
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require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-integrator.php'; |
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require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-admin.php'; |
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require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-public.php'; |
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require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-utils.php'; |
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require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-user.php'; |
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require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-woocommerce.php'; |
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require_once plugin_dir_path(__FILE__) . 'includes/pdf-parser/alt_autoload.php'; |
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require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-word-handler.php'; |
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|
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function mxchat_activate() { |
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global $wpdb; |
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$charset_collate = $wpdb->get_charset_collate(); |
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|
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// Chat Transcripts Table |
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$chat_transcripts_table = $wpdb->prefix . 'mxchat_chat_transcripts'; |
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$sql_chat_transcripts = "CREATE TABLE $chat_transcripts_table ( |
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id MEDIUMINT(9) NOT NULL AUTO_INCREMENT, |
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user_id MEDIUMINT(9) DEFAULT 0, |
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session_id VARCHAR(255) NOT NULL, |
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role VARCHAR(255) NOT NULL, |
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message TEXT NOT NULL, |
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timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL, |
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PRIMARY KEY (id) |
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) $charset_collate;"; |
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|
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// System Prompt Content Table |
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$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content'; |
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$sql_system_prompt = "CREATE TABLE $system_prompt_table ( |
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id MEDIUMINT(9) NOT NULL AUTO_INCREMENT, |
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url VARCHAR(255) NOT NULL, |
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article_content LONGTEXT NOT NULL, |
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embedding_vector LONGTEXT, |
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source_url VARCHAR(255) DEFAULT NULL, |
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timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL, |
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PRIMARY KEY (id) |
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) $charset_collate;"; |
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|
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// Intents Table |
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$intents_table = $wpdb->prefix . 'mxchat_intents'; |
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$sql_intents_table = "CREATE TABLE $intents_table ( |
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id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT, |
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intent_label VARCHAR(255) NOT NULL, |
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phrases TEXT NOT NULL, |
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embedding_vector LONGTEXT NOT NULL, |
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callback_function VARCHAR(255) NOT NULL, |
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similarity_threshold FLOAT DEFAULT 0.85, |
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PRIMARY KEY (id) |
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) $charset_collate;"; |
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|
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require_once ABSPATH . 'wp-admin/includes/upgrade.php'; |
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|
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// Create or update tables |
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dbDelta($sql_chat_transcripts); |
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dbDelta($sql_system_prompt); |
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dbDelta($sql_intents_table); |
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|
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// Ensure additional columns in `mxchat_system_prompt_content` and `mxchat_chat_transcripts` |
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mxchat_add_missing_columns($system_prompt_table, 'embedding_vector', 'LONGTEXT'); |
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mxchat_add_missing_columns($system_prompt_table, 'source_url', 'VARCHAR(255) DEFAULT NULL'); |
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mxchat_add_missing_columns($chat_transcripts_table, 'user_identifier', 'VARCHAR(255)'); |
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mxchat_add_missing_columns($chat_transcripts_table, 'user_email', 'VARCHAR(255)'); |
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|
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// Set default thresholds for existing intents |
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$wpdb->query("UPDATE {$intents_table} SET similarity_threshold = 0.85 WHERE similarity_threshold IS NULL"); |
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|
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// Update plugin version in the database |
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update_option('mxchat_plugin_version', '1.5.5'); |
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} |
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|
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function mxchat_add_missing_columns($table, $column_name, $column_type) { |
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global $wpdb; |
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$column_exists = $wpdb->get_results($wpdb->prepare("SHOW COLUMNS FROM $table LIKE %s", $column_name)); |
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if (empty($column_exists)) { |
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$wpdb->query("ALTER TABLE $table ADD COLUMN $column_name $column_type"); |
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} |
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} |
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|
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function mxchat_check_for_update() { |
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$current_version = get_option('mxchat_plugin_version'); |
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$plugin_version = '1.5.5'; |
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|
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if ($current_version !== $plugin_version) { |
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mxchat_activate(); // Run the activation script which includes database migrations |
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update_option('mxchat_plugin_version', $plugin_version); // Update to the latest version |
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} |
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} |
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|
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// Run the update check function on every request |
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add_action('plugins_loaded', 'mxchat_check_for_update'); |
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|
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// Register activation hook |
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register_activation_hook(__FILE__, 'mxchat_activate'); |
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|
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add_action('init', function() { |
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add_action('mxchat_process_pdf_pages', array('MxChat_Admin', 'process_pdf_pages_cron'), 10, 5); |
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add_action('mxchat_process_sitemap_urls', array('MxChat_Admin', 'process_sitemap_urls_cron'), 10, 5); |
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}); |
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|
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// Instantiate classes |
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if (is_admin()) { |
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$mxchat_admin = new MxChat_Admin(); |
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} |
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$mxchat_public = new MxChat_Public(); |
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$mxchat_integrator = new MxChat_Integrator(); |
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|
