feat(pay): enforce VIP free-download daily quota like zibll

inc/classes/class-aksrt-content-visibility.php

@@ -171,6 +171,14 @@ class AKSRT_Content_Visibility {
             ]);
         }
 
+        // Zibll daily free-download quota.
+        if ($cost <= 0 && function_exists('aksrt_check_free_download_quota')) {
+            $quota = aksrt_check_free_download_quota($uid, $cost);
+            if (is_wp_error($quota)) {
+                return $quota;
+            }
+        }
+
         if (!empty($paid_settings['download_credit']) && $cost > 0) {
             $balance = class_exists('AKSRT_Credits') ? AKSRT_Credits::balance($uid) : 0;
             if ($balance < $cost) {

inc/classes/class-aksrt-download.php

@@ -124,10 +124,13 @@ class AKSRT_Download {
             'post_id'         => $post_id,
             'price'           => (float) $meta['price'],
             'cost'            => $cost,
-            'require_login'   => !empty($paid_settings['download_login']) || !empty($meta['require_login']),
+            'require_login'   => !empty($paid_settings['download_login']) || !empty($meta['require_login']) || (!empty($paid_settings['free_logged_show']) && $cost <= 0),
             'require_captcha' => $need_captcha,
             'logged_in'       => $uid > 0,
             'balance'         => $uid > 0 && class_exists('AKSRT_Credits') ? AKSRT_Credits::balance($uid) : 0,
+            'free_limit'      => $uid > 0 && function_exists('aksrt_get_user_free_download_limit') ? aksrt_get_user_free_download_limit($uid) : 0,
+            'free_used'       => $uid > 0 && function_exists('aksrt_get_user_free_downloaded_number') ? aksrt_get_user_free_downloaded_number($uid) : 0,
+            'free_surplus'    => $uid > 0 && function_exists('aksrt_get_free_download_surplus') ? aksrt_get_free_download_surplus($uid) : null,
             'sources'         => array_map(function ($row, $idx) {
                 $extract_code = trim((string) ($row['extract_code'] ?? ''));
                 return [
@@ -162,6 +165,17 @@ class AKSRT_Download {
         if (is_wp_error($gate)) return $gate;
 
         $paid_settings = AKSRT_Settings::get_paid_content_settings();
+        $uid = get_current_user_id();
+        $cost = aksrt_resource_download_cost($post);
+
+        // Daily free-download quota (Zibll).
+        if ($cost <= 0 && $uid > 0 && function_exists('aksrt_check_free_download_quota')) {
+            $quota = aksrt_check_free_download_quota($uid, $cost);
+            if (is_wp_error($quota)) {
+                return $quota;
+            }
+        }
+
         $need_captcha  = !empty($paid_settings['download_captcha']) || !empty($meta['require_captcha']);
         // 下载双开关：cms_features.download_captcha（或单资源强制）且场景未停用。
         if ($need_captcha && function_exists('aksrt_require_captcha')) {
@@ -176,8 +190,6 @@ class AKSRT_Download {
             }
         }
 
-        $uid = get_current_user_id();
-        $cost = aksrt_resource_download_cost($post);
         if ($cost > 0 && $uid > 0 && class_exists('AKSRT_Credits')) {
             $deducted = AKSRT_Credits::deduct($uid, $cost, 'download', ['type' => 'post', 'id' => $post_id]);
             if (is_wp_error($deducted)) return $deducted;
@@ -191,6 +203,11 @@ class AKSRT_Download {
             return $token;
         }
 
+        // Record free download against daily quota after token issued.
+        if ($cost <= 0 && $uid > 0 && function_exists('aksrt_record_user_free_download')) {
+            aksrt_record_user_free_download($uid, $post_id);
+        }
+
         $dl_url = home_url('/' . self::ENDPOINT . '/' . $token);
         if ($uid > 0 && function_exists('aksrt_add_user_notification')) {
             aksrt_add_user_notification($uid, [