feat(admin): deeper order/income filters, post pay-type, topic sales meta

Add order user/payment filters, income/rebate user_id filter, posts list
pay_type dropdown, topic virtual_sales/coupon meta, and forum unlock
facade methods used by hidecontent/payshow.

inc/classes/admin/native/class-aksrt-admin-pay-rebate.php

@@ -42,6 +42,7 @@ class AKSRT_Admin_Pay_Rebate {
         }
 
         $status   = isset($_GET['status']) ? sanitize_key((string) wp_unslash($_GET['status'])) : '';
+        $user_id  = isset($_GET['user_id']) ? max(0, (int) $_GET['user_id']) : (isset($_GET['referrer_id']) ? max(0, (int) $_GET['referrer_id']) : 0);
         $page_num = max(1, (int) ($_GET['paged'] ?? 1));
         $per_page = 20;
         $svc      = AKSRT_Rebate::get_instance();
@@ -62,14 +63,22 @@ class AKSRT_Admin_Pay_Rebate {
             printf('<option value="%s"%s>%s</option>', esc_attr($key), selected($status, $key, false), esc_html($label));
         }
         echo '</select> ';
+        echo '<input type="number" min="0" name="user_id" value="' . esc_attr($user_id > 0 ? (string) $user_id : '') . '" placeholder="' . esc_attr__('推广用户 ID', 'aksrt') . '" class="small-text" /> ';
         submit_button(__('筛选', 'aksrt'), 'secondary', '', false);
+        if ($user_id > 0) {
+            echo ' <a class="button button-small" href="' . esc_url($this->page_url('aksrt_rebate')) . '">' . esc_html__('清除用户过滤', 'aksrt') . '</a>';
+        }
         echo '</form>';
 
-        $result = $svc->get_list([
+        $list_args = [
             'status' => $status,
             'limit'  => $per_page,
             'offset' => ($page_num - 1) * $per_page,
-        ]);
+        ];
+        if ($user_id > 0) {
+            $list_args['user_id'] = $user_id;
+        }
+        $result = $svc->get_list($list_args);
         $items = $result['items'] ?? [];
         $total = (int) ($result['total'] ?? 0);
         $pages = max(1, (int) ceil(max(1, $total) / $per_page));