feat: Affiliate program enrichment (Link Builder, Curated Collections, Smart Links)

includes/Modules/Affiliate/AffiliateManager.php

@@ -17,6 +17,7 @@ class AffiliateManager
     private static $affiliates_table = 'woonoow_affiliates';
     private static $referrals_table = 'woonoow_referrals';
     private static $payouts_table = 'woonoow_affiliate_payouts';
+    private static $collections_table = 'woonoow_affiliate_collections';
 
     /**
      * Initialize
@@ -37,6 +38,7 @@ class AffiliateManager
         $affiliates_table = $wpdb->prefix . self::$affiliates_table;
         $referrals_table = $wpdb->prefix . self::$referrals_table;
         $payouts_table = $wpdb->prefix . self::$payouts_table;
+        $collections_table = $wpdb->prefix . self::$collections_table;
 
         require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
 
@@ -135,6 +137,23 @@ class AffiliateManager
             }
         }
 
+        // Collections Table
+        $sql_collections = "CREATE TABLE $collections_table (
+            id bigint(20) UNSIGNED NOT NULL AUTO_INCREMENT,
+            affiliate_id bigint(20) UNSIGNED NOT NULL,
+            title varchar(255) NOT NULL,
+            slug varchar(255) NOT NULL,
+            description text DEFAULT NULL,
+            product_ids longtext DEFAULT NULL,
+            created_at datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+            PRIMARY KEY  (id),
+            UNIQUE KEY affiliate_slug (affiliate_id, slug),
+            KEY affiliate_id (affiliate_id)
+        ) $charset_collate;";
+
+        dbDelta($sql_collections);
+
         // Payouts Table
         $sql_payouts = "CREATE TABLE $payouts_table (
             id bigint(20) UNSIGNED NOT NULL AUTO_INCREMENT,

includes/Modules/Affiliate/AffiliateModule.php

@@ -108,6 +108,12 @@ class AffiliateModule
                 }
             }
         }
+
+        // Create collections table if it doesn't exist
+        $collections_table = $wpdb->prefix . 'woonoow_affiliate_collections';
+        if ($wpdb->get_var("SHOW TABLES LIKE '$collections_table'") !== $collections_table) {
+            AffiliateManager::create_tables();
+        }
     }
 
     /**

includes/Modules/Affiliate/AffiliateSettings.php

@@ -58,6 +58,12 @@ class AffiliateSettings {
                 'description' => __('Automatically approve new affiliate applications.', 'woonoow'),
                 'default' => false,
             ],
+            'woonoow_affiliate_enable_curated_collections' => [
+                'type' => 'toggle',
+                'label' => __('Enable Curated Collections', 'woonoow'),
+                'description' => __('Allow affiliates to create and share custom curated product collections.', 'woonoow'),
+                'default' => true,
+            ],
             'woonoow_affiliate_allow_self_referral' => [
                 'type' => 'toggle',
                 'label' => __('Allow Self-Referrals', 'woonoow'),

includes/Modules/Affiliate/AffiliateTracker.php

@@ -102,9 +102,37 @@ class AffiliateTracker
             'samesite' => 'Lax'
         ];
 
-        // Capture referral code
+        $referral_code = '';
+
+        // 1. Capture from ?ref= parameter
         if (isset($_GET['ref']) && !empty($_GET['ref'])) {
             $referral_code = sanitize_text_field($_GET['ref']);
+        }
+
+        // 2. Or capture from collection slug in URL (e.g., /collection/my-slug)
+        if (empty($referral_code)) {
+            $request_uri = $_SERVER['REQUEST_URI'] ?? '/';
+            $path = parse_url($request_uri, PHP_URL_PATH);
+            
+            // Extract collection slug, accounting for possible subdirectories (e.g. /store/collection/slug)
+            if (preg_match('#/collection/([^/]+)#', $path, $matches)) {
+                $collection_slug = sanitize_text_field($matches[1]);
+                
+                global $wpdb;
+                $collections_table = $wpdb->prefix . 'woonoow_affiliate_collections';
+                $affiliates_table = $wpdb->prefix . 'woonoow_affiliates';
+                
+                $referral_code = $wpdb->get_var($wpdb->prepare("
+                    SELECT a.referral_code 
+                    FROM $collections_table c
+                    JOIN $affiliates_table a ON c.affiliate_id = a.id
+                    WHERE c.slug = %s
+                ", $collection_slug));
+            }
+        }
+
+        // Set the cookie if we found a referral code
+        if (!empty($referral_code)) {
             $result = setcookie(self::COOKIE_NAME, $referral_code, $options);
             $_COOKIE[self::COOKIE_NAME] = $referral_code;
             error_log('[AffiliateTracker] Set woonoow_ref cookie: ' . $referral_code . ', result=' . ($result ? 'true' : 'false'));