财务开票模块更新

server/app/Finance/Services/InvoiceService.php

@@ -539,6 +539,29 @@ class InvoiceService
         $this->mailService->sendMailToHtml($title, 'hangjun@rhawn.cn',$message);
     }
 
+    public function downLoadInvoice($params)
+    {
+        if(empty($params)){
+            return false;
+        }
+        $invoiceInfo = $this->invoiceRecordRepository->getInvoiceRecordByRealNumber($params['hm']);
+        if(!$invoiceInfo){
+            throw new \Exception('没有对应的电子发票提供下载',502);
+        }
+        //验证token
+        $urlParams = [
+            'platform_invoice_id' => $invoiceInfo['platform_invoice_id'],
+            'invoice_real_number' => $params['invoice_real_number'],
+            'invoice_real_date' => $invoiceInfo['invoice_real_date']
+        ];
+        $token = hash_hmac("sha256", json_encode($urlParams), $params['invoice_real_number'], false);
+        if($token != $params['token']){
+            throw new \Exception('电子发票无效无法提供下载',502);
+        }
+
+        return $invoiceInfo['invoice_pdf_url'];
+    }
+
     public function getInvoicePdfDownloadUrl()
     {
     }