nestjsx/crud + TypeORM: patch and post results in empty request - crud

Question

I'm trying to get into nestjs by creating a simple REST Api with TypeORM and the crud library. So far I have created a working role based authentication, but I'm running into a strange problem. I used the crud library to create a simple controller for the User entity. The GET-requests are working without any problems. But I can't POST to create a new user, neither can I use PATCH to update one. I think it might just be a very stupid mistake by me, but as I did not write much code, I can't find any differences to the examples in the doc.
When I try to patch a property, it just responds me with the original user object, no changes made (It's like I send an empty request).
When I try to post a new user, the response is the following error message:
{
"statusCode": 400,
"error": "Bad Request",
"message": "Empty data. Nothing to save."
}
It might have something to do with validation..
This is my user controller:
import { Controller, UseGuards } from '#nestjs/common';
import { UserService } from './user.service';
import { User } from './user.entity';
import { AuthGuard } from '#nestjs/passport';
import { ApiTags, ApiSecurity } from '#nestjs/swagger';
import { RolesGuard } from 'src/auth/role.guard';
import { Roles } from './roles.decorator';
import { Crud, CrudController } from '#nestjsx/crud';
#UseGuards(AuthGuard('jwt'), RolesGuard)
#Crud({
model: {
type: User
},
routes: {
exclude: ['createManyBase', 'replaceOneBase'],
},
//validation: false,
})
#Roles('admin')
#ApiSecurity('bearer')
#ApiTags('user')
#Controller('user')
export class UserController implements CrudController<User> {
constructor(public service: UserService) {}
}
This is my user service:
import { Injectable, Body, NotFoundException } from '#nestjs/common';
import { CreateUserDTO } from './dto/create-user.dto';
import { User } from './user.entity';
import { GetUsersFilterDto } from './dto/get-users-filter.dto';
import { InjectRepository } from '#nestjs/typeorm';
import { UserRepository } from './user.repository';
import { Role } from './role.entity';
import { TypeOrmCrudService } from '#nestjsx/crud-typeorm';
#Injectable()
export class UserService extends TypeOrmCrudService<User> {
constructor(
#InjectRepository(User) user,
private userRepository: UserRepository
) {
super(user);
}
async getUserByName(username: string): Promise<User>{
const found = await this.userRepository.findOne({
where: {
username: username,
},
relations: ["roles"]
});
if (!found){
throw new NotFoundException('User "${username}" not found!');
}
return found;
}
async getUserById(id: number): Promise<User>{
const found = await this.userRepository.findOne(id, {relations: ["roles"] });
if (!found){
throw new NotFoundException('User with "${id}" not found');
}
return found;
}
async matchRoles(roles: string[], userroles: Role[]){
let match = false;
console.log(userroles)
userroles.forEach(r => {
if (roles.indexOf('r.name')){
match = true;
}
})
return match;
}
}
This is the entity:
import { Entity, Column, PrimaryGeneratedColumn, ManyToMany, JoinTable, BeforeInsert, Unique } from 'typeorm';
import { Role } from './role.entity';
import * as bcrypt from 'bcryptjs';
import { Exclude } from 'class-transformer';
import { ApiProperty } from '#nestjs/swagger';
#Entity('auth_user')
#Unique(['username'])
export class User {
#PrimaryGeneratedColumn()
id: number;
#ApiProperty()
#Column({ length: 30 })
username: string;
#ApiProperty()
#Column()
firstName: string;
#ApiProperty()
#Column()
lastName: string;
#ApiProperty()
#Column()
email: string;
#BeforeInsert()
async hashPassword() {
this.password = await bcrypt.hash(this.password, 10);
}
#ApiProperty()
#Column()//({select: false})
#Exclude()
password: string;
#ApiProperty()
#Column({ default: true })
isActive: boolean;
#ManyToMany(
type => Role,
role => role.users,
{ cascade: true },
)
#JoinTable()
roles?: Role[];
}
Any hints are appreciated

Answer 1

As it turned out, it was the validation. Crud already has validation activated and I had this in the main.ts:
app.useGlobalPipes(new ValidationPipe({ whitelist: true, transform: true}));
So it was validated twice, what somehow led to an empty body in the request. I removed this and now I'm able to post/patch/put.