feat(submit): add user media library

inc/helpers/aksrt-pay.php

@@ -821,59 +821,6 @@ if (!function_exists('aksrt_can_access_content')) {
     }
 }
 
-if (!function_exists('aksrt_can_download')) {
-    /**
-     * 下载授权门禁 —— 单一合同。
-     *
-     * 实际判定交给 \AKSRT\Content\Visibility::can_download_resource()。
-     * 不再使用 download_credit 做按次扣积分门禁。
-     *
-     * @param int|WP_Post|null $post
-     * @param int              $user_id 0 表示当前用户
-     * @return true|WP_Error
-     */
-    function aksrt_can_download($post = null, int $user_id = 0) {
-        if (class_exists('\AKSRT\Content\Visibility')) {
-            return \AKSRT\Content\Visibility::can_download_resource($post, $user_id);
-        }
-
-        $p = get_post($post);
-        if (!($p instanceof WP_Post)) {
-            return new WP_Error('aksrt_invalid', __('无效内容。', 'aksrt'));
-        }
-
-        $meta = aksrt_get_pay_meta($p);
-        if (($meta['pay_type'] ?? '') !== AKSRT_PAY_TYPE_DOWNLOAD) {
-            return new WP_Error('aksrt_not_downloadable', __('该内容不是可下载资源。', 'aksrt'));
-        }
-
-        $uid = $user_id > 0 ? $user_id : get_current_user_id();
-        if (!function_exists('aksrt_user_can') || !aksrt_user_can('resource_download', $uid, (int) $p->ID)) {
-            $login_url = wp_login_url(get_permalink($p));
-            return new WP_Error('aksrt_need_login', __('请先登录。', 'aksrt'), ['login_url' => $login_url]);
-        }
-
-        if ($uid > 0 && function_exists('aksrt_has_paid_access') && aksrt_has_paid_access($p, $uid)) {
-            return true;
-        }
-        if ($uid > 0 && function_exists('aksrt_is_vip_exempt') && aksrt_is_vip_exempt($uid)) {
-            return true;
-        }
-
-        // Fallback without Content_Visibility: require purchase when priced.
-        $cost = function_exists('aksrt_get_download_cost') ? aksrt_get_download_cost($p) : 0;
-        if ($cost > 0) {
-            return new WP_Error('aksrt_need_purchase', __('请先购买后再下载。', 'aksrt'), [
-                'status' => 402,
-                'cost'   => $cost,
-                'post_id'=> (int) $p->ID,
-            ]);
-        }
-
-        return true;
-    }
-}
-
 if (!function_exists('aksrt_get_download_cost')) {
     function aksrt_get_download_cost($post = null): int {
         if (function_exists('aksrt_resource_download_cost')) {