basic validation decorator

api/src/modules/import/decorators/xlsm-upload.decorator.ts

@@ -0,0 +1,17 @@
+import { UploadedFile, ParseFilePipeBuilder, HttpStatus } from '@nestjs/common';
+
+export function UploadXlsm(maxSize: number = 5000000) {
+  return UploadedFile(
+    new ParseFilePipeBuilder()
+      .addFileTypeValidator({
+        fileType: 'application/vnd.ms-excel.sheet.macroenabled.12',
+      })
+      .addMaxSizeValidator({
+        maxSize: maxSize,
+      })
+      .build({
+        errorHttpStatusCode: HttpStatus.BAD_REQUEST,
+        fileIsRequired: true,
+      }),
+  );
+}

api/src/modules/import/import.controller.ts

@@ -5,12 +5,23 @@ import {
   UseInterceptors,
 } from '@nestjs/common';
 import { FileInterceptor } from '@nestjs/platform-express';
+import { JwtAuthGuard } from '@api/modules/auth/guards/jwt-auth.guard';
+import { RolesGuard } from '@api/modules/auth/guards/roles.guard';
+import { RequiredRoles } from '@api/modules/auth/decorators/roles.decorator';
+import { ROLES } from '@api/modules/auth/roles.enum';
+import { UploadXlsm } from '@api/modules/import/decorators/xlsm-upload.decorator';
 
 @Controller()
+//@UseInterceptors(JwtAuthGuard, RolesGuard)
 export class ImportController {
-  @Post()
+  // TODO: File validation following:
+  //       https://docs.nestjs.com/techniques/file-upload
+
+  @Post('/admin/upload/xlsx')
+  //@RequiredRoles(ROLES.ADMIN)
   @UseInterceptors(FileInterceptor('file'))
-  async uploadFile(@UploadedFile() file: Express.Multer.File): Promise<any> {
-    return file;
+  async uploadFile(@UploadXlsm() file: Express.Multer.File): Promise<any> {
+    const { buffer, ...rest } = file;
+    return rest;
   }
 }