From f29665fb01d2527ca901ef489bf0777d1b591027 Mon Sep 17 00:00:00 2001
From: Adarsha Lalchan <scorpiclalchan@gmail.com>
Date: Tue, 3 Oct 2023 13:56:22 +0545
Subject: [PATCH] added ability to pass multerInstance into generateRoute

---
 .../cli/src/routeGeneration/templates/express.hbs     | 11 ++++++++---
 packages/runtime/src/metadataGeneration/tsoa.ts       |  5 +++++
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/packages/cli/src/routeGeneration/templates/express.hbs b/packages/cli/src/routeGeneration/templates/express.hbs
index b05f33fbb..fd0a574c0 100644
--- a/packages/cli/src/routeGeneration/templates/express.hbs
+++ b/packages/cli/src/routeGeneration/templates/express.hbs
@@ -12,7 +12,7 @@ import { expressAuthentication } from '{{authenticationModule}}';
 {{/if}}
 {{#if iocModule}}
 import { iocContainer } from '{{iocModule}}';
-import type { IocContainer, IocContainerFactory } from '@tsoa/runtime';
+import type { IocContainer, IocContainerFactory, RegisterRoutesOptions } from '@tsoa/runtime';
 {{/if}}
 import type { RequestHandler, Router } from 'express';
 {{#if useFileUploads}}
@@ -21,7 +21,7 @@ import multer from 'multer';
 {{else}}
 const multer = require('multer');
 {{/if}}
-const upload = multer({{{json multerOpts}}});
+let upload = multer({{{json multerOpts}}});
 {{/if}}
 
 // WARNING: This file was auto-generated with tsoa. Please do not modify it. Re-run tsoa to re-generate this file: https://github.com/lukeautry/tsoa
@@ -54,11 +54,16 @@ const validationService = new ValidationService(models);
 
 // WARNING: This file was auto-generated with tsoa. Please do not modify it. Re-run tsoa to re-generate this file: https://github.com/lukeautry/tsoa
 
-export function RegisterRoutes(app: Router) {
+export function RegisterRoutes(app: Router, registerOptions: RegisterRoutesOptions = {}) {
     // ###########################################################################################################
     //  NOTE: If you do not see routes for all of your controllers in this file, then you might not have informed tsoa of where to look
     //      Please look into the "controllerPathGlobs" config option described in the readme: https://github.com/lukeautry/tsoa
     // ###########################################################################################################
+    {{#if useFileUploads}}
+        if(registerOptions.multer){
+            upload = registerOptions.multer,
+        }
+    {{/if}}
     {{#each controllers}}
     {{#each actions}}
         app.{{method}}('{{fullPath}}',
diff --git a/packages/runtime/src/metadataGeneration/tsoa.ts b/packages/runtime/src/metadataGeneration/tsoa.ts
index 72c0087eb..ec5f951c2 100644
--- a/packages/runtime/src/metadataGeneration/tsoa.ts
+++ b/packages/runtime/src/metadataGeneration/tsoa.ts
@@ -1,3 +1,4 @@
+import multer from 'multer';
 import { ExtensionType } from '../decorators/extension';
 import type { Swagger } from '../swagger/swagger';
 import { Validator } from '..';
@@ -17,6 +18,10 @@ export namespace Tsoa {
     produces?: string[];
   }
 
+  export interface RegisterRoutesOptions {
+    multer?: multer.Multer;
+  }
+
   export interface Method {
     extensions: Extension[];
     deprecated?: boolean;