fairnesscoop / pictyschool

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

import { ISchoolUserRepository } from 'src/Domain/School/Repository/ISchoolUserRepository';

import { SchoolUser } from 'src/Domain/School/SchoolUser.entity';

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

import { School } from '../../School/School.entity';

import { UserRole } from '../User.entity';

export class CanUserAccessToSchool {

  constructor(

    @Inject('IUserRepository')

    private readonly userRepository: IUserRepository,

    @Inject('ISchoolUserRepository')

    private readonly schoolUserRepository: ISchoolUserRepository

  ) {}

  public async isSatisfiedBy(school: School, userId: string): Promise<boolean> {

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

    if (!user) {

      return false;

    }

    return user.getRole() === UserRole.PHOTOGRAPHER ||

      (await this.schoolUserRepository.findOneByUserAndSchool(user, school)) instanceof SchoolUser;

  }

}