first commit

whmcs-pricing-plugin/includes/shortcodes.php

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+<?php
+/**
+ * Shortcode Handler
+ *
+ * Registers and processes shortcodes
+ */
+
+// Exit if accessed directly
+if (!defined('ABSPATH')) {
+    exit;
+}
+
+class WHMCS_Pricing_Shortcodes {
+
+    /**
+     * Single instance
+     */
+    private static $instance = null;
+
+    /**
+     * Translations cache
+     */
+    private static $translations = null;
+
+    /**
+     * Get instance
+     */
+    public static function get_instance() {
+        if (null === self::$instance) {
+            self::$instance = new self();
+        }
+        return self::$instance;
+    }
+
+    /**
+     * Constructor
+     */
+    private function __construct() {
+        add_shortcode('whmcs_price', array($this, 'render_price_shortcode'));
+    }
+
+    /**
+     * Load translations from JSON file
+     */
+    private static function load_translations() {
+        if (null !== self::$translations) {
+            return self::$translations;
+        }
+
+        $json_file = WHMCS_PRICING_PLUGIN_DIR . 'languages.json';
+
+        if (file_exists($json_file)) {
+            $json_content = file_get_contents($json_file);
+            self::$translations = json_decode($json_content, true);
+        }
+
+        if (!is_array(self::$translations)) {
+            self::$translations = array();
+        }
+
+        return self::$translations;
+    }
+
+    /**
+     * Render price shortcode
+     *
+     * @param array $atts Shortcode attributes
+     * @return string HTML output
+     */
+    public function render_price_shortcode($atts) {
+        // Parse attributes
+        $atts = shortcode_atts(array(
+            'product_id' => '',
+            'billing_cycle' => 'monthly',
+            'currency' => '',
+            'format' => 'default',
+            'show_cycle' => 'true',
+            'class' => '',
+            'lang' => 'english',
+            'language' => '' // Support both lang and language
+        ), $atts, 'whmcs_price');
+
+        // Validate product ID
+        if (empty($atts['product_id'])) {
+            return $this->render_error(__('Product ID is required', 'whmcs-pricing'));
+        }
+
+        // Sanitize attributes
+        $product_id = absint($atts['product_id']);
+        $billing_cycle = sanitize_text_field($atts['billing_cycle']);
+        $currency = !empty($atts['currency']) ? sanitize_text_field($atts['currency']) : '';
+        $format = sanitize_text_field($atts['format']);
+        $show_cycle = filter_var($atts['show_cycle'], FILTER_VALIDATE_BOOLEAN);
+        $custom_class = sanitize_html_class($atts['class']);
+
+        // Support both 'lang' and 'language' parameters
+        $lang = !empty($atts['language']) ? sanitize_text_field($atts['language']) : sanitize_text_field($atts['lang']);
+
+        // Get price from API
+        $price_data = WHMCS_Pricing_API::get_price($product_id, array(
+            'billing_cycle' => $billing_cycle,
+            'currency' => $currency,
+            'format' => $format
+        ));
+
+        // Check for errors
+        if (is_wp_error($price_data)) {
+            return $this->render_error($price_data->get_error_message());
+        }
+
+        // Render the price
+        return $this->render_price_html($price_data, $billing_cycle, $product_id, $show_cycle, $custom_class, $lang);
+    }
+
+    /**
+     * Render price HTML
+     *
+     * @param array $price_data Price data from API
+     * @param string $billing_cycle Billing cycle
+     * @param int $product_id Product ID
+     * @param bool $show_cycle Whether to show billing cycle
+     * @param string $custom_class Custom CSS class
+     * @param string $lang Language code
+     * @return string HTML output
+     */
+    private function render_price_html($price_data, $billing_cycle, $product_id, $show_cycle, $custom_class, $lang = 'english') {
+        $classes = array('whmcs-price');
+
+        if (!empty($custom_class)) {
+            $classes[] = $custom_class;
+        }
+
+        $cycle_text = $show_cycle ? $this->get_cycle_text($billing_cycle, $lang) : '';
+
+        $html = sprintf(
+            '<span class="%s" data-product-id="%d" data-cycle="%s">',
+            esc_attr(implode(' ', $classes)),
+            esc_attr($product_id),
+            esc_attr($billing_cycle)
+        );
+
+        $html .= sprintf(
+            '<span class="currency-symbol">%s</span>',
+            esc_html($price_data['symbol'])
+        );
+
+        $html .= sprintf(
+            '<span class="price-amount">%s</span>',
+            esc_html($price_data['formatted'])
+        );
+
+        if (!empty($cycle_text)) {
+            $html .= sprintf(
+                '<span class="billing-cycle">%s</span>',
+                esc_html($cycle_text)
+            );
+        }
+
+        $html .= '</span>';
+
+        return $html;
+    }
+
+    /**
+     * Get billing cycle text
+     *
+     * @param string $cycle Billing cycle
+     * @param string $lang Language code
+     * @return string Human-readable cycle text
+     */
+    private function get_cycle_text($cycle, $lang = 'english') {
+        $cycle = strtolower($cycle);
+
+        // Load translations
+        $translations = self::load_translations();
+
+        // Check if language exists, fallback to English
+        if (!isset($translations[$lang])) {
+            $lang = 'english';
+        }
+
+        // Get translated text
+        if (isset($translations[$lang][$cycle])) {
+            return ' ' . $translations[$lang][$cycle];
+        }
+
+        // Final fallback to English defaults
+        $defaults = array(
+            'monthly' => 'per month',
+            'quarterly' => 'per quarter',
+            'semiannually' => 'per 6 months',
+            'annually' => 'per year',
+            'biennially' => 'per 2 years',
+            'triennially' => 'per 3 years'
+        );
+
+        return isset($defaults[$cycle]) ? ' ' . $defaults[$cycle] : '';
+    }
+
+    /**
+     * Render error message
+     *
+     * @param string $message Error message
+     * @return string HTML output
+     */
+    private function render_error($message) {
+        // Only show errors to administrators
+        if (!current_user_can('manage_options')) {
+            return '<span class="whmcs-price whmcs-price-error" style="display:none;"></span>';
+        }
+
+        return sprintf(
+            '<span class="whmcs-price whmcs-price-error" style="color: #dc3232; font-style: italic;">[WHMCS Pricing Error: %s]</span>',
+            esc_html($message)
+        );
+    }
+}