feat(pay): content cashier coupon and rebate discount chain

Wire zibll-style cash content discounts: VIP list price → buyer 推广折扣 → coupon, then commission on final pay. Reuse AKSRT_Coupon, add Invite::get_referrer, cashier UI, and paid-time coupon burn + rebate_log.
2026-07-14 19:38:05 +08:00
parent 9eaddce457
commit 5d7b138c2c
11 changed files with 724 additions and 22 deletions
@@ -72,6 +72,22 @@ class AKSRT_Settings_Payment_Runtime {
                'remote_ext'   => sanitize_text_field((string) ($settings['payment_download_remote_ext'] ?? 'zip,rar,7z')),
                'alone_page'   => !empty($settings['payment_down_alone_page']),
            ],
+            // Content cashier coupon (zibll coupon_post_s / coupon_desc).
+            'coupon_post_s'        => !empty($settings['coupon_post_s']),
+            'coupon_desc'          => sanitize_textarea_field((string) ($settings['coupon_desc'] ?? '')),
+        ];
+    }
+
+    /**
+     * Content coupon global switches (zibll coupon_post_s).
+     *
+     * @return array{enabled:bool,desc:string}
+     */
+    public static function get_content_coupon_settings(): array {
+        $settings = self::get_paid_content_settings();
+        return [
+            'enabled' => !empty($settings['coupon_post_s']),
+            'desc'    => (string) ($settings['coupon_desc'] ?? ''),
        ];
    }