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whmcs-pricing-plugin/whmcs-pricing.php

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+<?php
+/**
+ * Plugin Name: WHMCS Pricing
+ * Description: Display WHMCS product pricing via shortcodes. Lightweight, Elementor-compatible.
+ * Version: 1.0
+ * Author: ArkHost
+ * Author URI: https://arkhost.com
+ * Sponsored by: Duplika.com
+ * Text Domain: whmcs-pricing
+ * Domain Path: /languages
+ * Requires at least: 5.0
+ * Requires PHP: 7.4
+ * License: GPL v2 or later
+ */
+
+// Exit if accessed directly
+if (!defined('ABSPATH')) {
+    exit;
+}
+
+// Define plugin constants
+define('WHMCS_PRICING_VERSION', '1.0');
+define('WHMCS_PRICING_PLUGIN_DIR', plugin_dir_path(__FILE__));
+define('WHMCS_PRICING_PLUGIN_URL', plugin_dir_url(__FILE__));
+define('WHMCS_PRICING_PLUGIN_BASENAME', plugin_basename(__FILE__));
+
+/**
+ * Main plugin class
+ */
+class WHMCS_Pricing_Plugin {
+
+    /**
+     * Single instance of the class
+     */
+    private static $instance = null;
+
+    /**
+     * Get instance
+     */
+    public static function get_instance() {
+        if (null === self::$instance) {
+            self::$instance = new self();
+        }
+        return self::$instance;
+    }
+
+    /**
+     * Constructor
+     */
+    private function __construct() {
+        $this->load_dependencies();
+        $this->init_hooks();
+    }
+
+    /**
+     * Load required files
+     */
+    private function load_dependencies() {
+        require_once WHMCS_PRICING_PLUGIN_DIR . 'includes/api-handler.php';
+        require_once WHMCS_PRICING_PLUGIN_DIR . 'includes/shortcodes.php';
+
+        if (is_admin()) {
+            require_once WHMCS_PRICING_PLUGIN_DIR . 'includes/admin-settings.php';
+        }
+    }
+
+    /**
+     * Initialize hooks
+     */
+    private function init_hooks() {
+        add_action('plugins_loaded', array($this, 'load_textdomain'));
+
+        // Add settings link on plugins page
+        add_filter('plugin_action_links_' . WHMCS_PRICING_PLUGIN_BASENAME, array($this, 'add_settings_link'));
+
+        // Make author link open in new tab
+        add_filter('plugin_row_meta', array($this, 'modify_plugin_row_meta'), 10, 2);
+
+        // Initialize components
+        if (is_admin()) {
+            WHMCS_Pricing_Admin::get_instance();
+        }
+
+        WHMCS_Pricing_Shortcodes::get_instance();
+    }
+
+    /**
+     * Add settings link on plugins page
+     */
+    public function add_settings_link($links) {
+        $settings_link = '<a href="' . esc_url(admin_url('options-general.php?page=whmcs-pricing')) . '">' . __('Settings', 'whmcs-pricing') . '</a>';
+        array_unshift($links, $settings_link);
+        return $links;
+    }
+
+    /**
+     * Modify plugin row meta to open author link in new tab
+     */
+    public function modify_plugin_row_meta($links, $file) {
+        if ($file === WHMCS_PRICING_PLUGIN_BASENAME) {
+            // Add target="_blank" to author link
+            $links = array_map(function($link) {
+                if (strpos($link, 'arkhost.com') !== false) {
+                    return str_replace('<a href=', '<a target="_blank" rel="noopener noreferrer" href=', $link);
+                }
+                return $link;
+            }, $links);
+        }
+        return $links;
+    }
+
+    /**
+     * Load plugin textdomain
+     */
+    public function load_textdomain() {
+        load_plugin_textdomain('whmcs-pricing', false, dirname(WHMCS_PRICING_PLUGIN_BASENAME) . '/languages');
+    }
+
+    /**
+     * Activate plugin
+     */
+    public static function activate() {
+        // Set default options
+        $defaults = array(
+            'api_url' => '',
+            'api_identifier' => '',
+            'api_secret' => '',
+            'cache_duration' => 3600, // 1 hour
+            'default_currency' => 'USD',
+            'show_decimals' => true,
+            'debug_mode' => false
+        );
+
+        add_option('whmcs_pricing_settings', $defaults);
+    }
+
+    /**
+     * Deactivate plugin
+     */
+    public static function deactivate() {
+        // Clear all cached data
+        WHMCS_Pricing_API::clear_all_cache();
+    }
+}
+
+/**
+ * Activation hook
+ */
+register_activation_hook(__FILE__, array('WHMCS_Pricing_Plugin', 'activate'));
+
+/**
+ * Deactivation hook
+ */
+register_deactivation_hook(__FILE__, array('WHMCS_Pricing_Plugin', 'deactivate'));
+
+/**
+ * Initialize plugin
+ */
+function whmcs_pricing_init() {
+    return WHMCS_Pricing_Plugin::get_instance();
+}
+
+// Start the plugin
+whmcs_pricing_init();