fix : reduce calls to discord api

src/users/users.controller.ts

@@ -8,6 +8,7 @@ import {
   Redirect,
   Param,
   ParseIntPipe,
+  UseGuards,
 } from '@nestjs/common';
 import { UsersService } from './users.service';
 import { UserResponseDTO } from '../../events/dto/userresponse.dto';
@@ -15,6 +16,7 @@ import { ApiTags } from '@nestjs/swagger';
 
 import { ConfigService } from '@nestjs/config';
 import { SessionData } from 'express-session';
+import { AuthGuard } from './guards/auth.guard';
 
 const configService = new ConfigService();
 
@@ -39,13 +41,17 @@ export class UsersController {
   }
 
   @Get('/whoami')
+  @UseGuards(AuthGuard)
   async remove(@Session() session: SessionData): Promise<UserResponseDTO> {
-    if (!session.tokenData) {
+    if (!session.tokenData || !session.user) {
       throw new HttpException(
         "Session doesn't contains auth information",
         HttpStatus.UNAUTHORIZED,
       );
     }
+    if (new Date(session.tokenData.expires) > new Date()) {
+      return this.usersService.findUser(session.user.id);
+    }
     await this.usersService.discordLogin(session);
     return new UserResponseDTO(session.user);
   }