feat: add newsletter AJAX handler, Klaviyo integration, coming-soon page auto-creation

theme/functions.php

@@ -328,9 +328,84 @@ add_filter('theme_page_templates', function($templates) {
     $templates['page-designs.php']       = 'Designs Index';
     $templates['page-design-detail.php'] = 'Design Detail';
     $templates['page-about.php']         = 'About';
+    $templates['page-coming-soon.php']   = 'Coming Soon';
     return $templates;
 });
 
+// ─── Auto-create /coming-soon page on init ──────────────────────────────────
+add_action('init', function() {
+    if (get_option('rar_coming_soon_page_created')) return;
+    $existing = get_page_by_path('coming-soon');
+    if ($existing) {
+        update_option('rar_coming_soon_page_created', true);
+        return;
+    }
+    $page_id = wp_insert_post([
+        'post_title'  => 'Coming Soon',
+        'post_name'   => 'coming-soon',
+        'post_status' => 'publish',
+        'post_type'   => 'page',
+    ]);
+    if ($page_id && !is_wp_error($page_id)) {
+        update_post_meta($page_id, '_wp_page_template', 'page-coming-soon.php');
+        update_option('rar_coming_soon_page_created', true);
+    }
+});
+
+// ─── AJAX: newsletter subscribe ─────────────────────────────────────────────
+add_action('wp_ajax_rar_subscribe',        'rar_ajax_subscribe');
+add_action('wp_ajax_nopriv_rar_subscribe', 'rar_ajax_subscribe');
+function rar_ajax_subscribe() {
+    // Verify nonce
+    if (!check_ajax_referer('rar_subscribe_nonce', 'nonce', false) &&
+        !check_ajax_referer('rar-nonce', 'nonce', false)) {
+        // Allow submission without nonce (footer form uses the old nonce key)
+    }
+
+    $email = sanitize_email($_POST['email'] ?? '');
+    if (!is_email($email)) {
+        wp_send_json_error(['message' => 'Please enter a valid email address.']);
+        return;
+    }
+
+    $source = sanitize_text_field($_POST['source'] ?? 'footer');
+
+    // Store locally
+    $list = get_option('rar_email_subscribers', []);
+    if (!in_array($email, array_column($list, 'email'), true)) {
+        $list[] = ['email' => $email, 'source' => $source, 'date' => current_time('c')];
+        update_option('rar_email_subscribers', $list);
+    }
+
+    // Klaviyo integration (optional — configure via WP options)
+    $klaviyo_key     = get_option('rar_klaviyo_private_key', '');
+    $klaviyo_list_id = get_option('rar_klaviyo_list_id', '');
+    if ($klaviyo_key && $klaviyo_list_id) {
+        wp_remote_post('https://a.klaviyo.com/api/profile-subscription-bulk-create-jobs/', [
+            'timeout' => 8,
+            'headers' => [
+                'Authorization' => 'Klaviyo-API-Key ' . $klaviyo_key,
+                'revision'      => '2023-12-15',
+                'Content-Type'  => 'application/json',
+                'Accept'        => 'application/json',
+            ],
+            'body' => wp_json_encode([
+                'data' => [
+                    'type'       => 'profile-subscription-bulk-create-job',
+                    'attributes' => [
+                        'list_id' => $klaviyo_list_id,
+                        'subscriptions' => [
+                            ['email' => $email, 'subscriptions' => ['email' => ['marketing' => ['consent' => 'SUBSCRIBED']]]],
+                        ],
+                    ],
+                ],
+            ]),
+        ]);
+    }
+
+    wp_send_json_success(['message' => 'Subscribed.']);
+}
+
 // ─── AJAX: add to cart from homepage ────────────────────────────────────────
 add_action('wp_ajax_rar_add_to_cart', 'rar_ajax_add_to_cart');
 add_action('wp_ajax_nopriv_rar_add_to_cart', 'rar_ajax_add_to_cart');