fairnesscoop / pictyschool

import { Inject } from '@nestjs/common';

import { CommandHandler } from '@nestjs/cqrs';

import { CantRemoveYourselfException } from 'src/Domain/User/Exception/CantRemoveYourselfException';

import { UserNotFoundException } from 'src/Domain/User/Exception/UserNotFoundException';

import { IUserRepository } from 'src/Domain/User/Repository/IUserRepository';

import { RemoveUserCommand } from './RemoveUserCommand';

@CommandHandler(RemoveUserCommand)

export class RemoveUserCommandHandler {

  constructor(

    @Inject('IUserRepository')

    private readonly userRepository: IUserRepository,

  ) {}

  public async execute({ id, currentUserId }: RemoveUserCommand): Promise<void> {

    if (id === currentUserId) {

      throw new CantRemoveYourselfException();      

    }

    const user = await this.userRepository.findOneById(id);

    if (!user) {

      throw new UserNotFoundException();

    }

    await this.userRepository.remove(user);

  }

}