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import { Inject } from '@nestjs/common'; |
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import { CommandHandler } from '@nestjs/cqrs'; |
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import { SchoolNotFoundException } from 'src/Domain/School/Exception/SchoolNotFoundException'; |
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import { ISchoolRepository } from 'src/Domain/School/Repository/ISchoolRepository'; |
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import { ISchoolUserRepository } from 'src/Domain/School/Repository/ISchoolUserRepository'; |
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import { SchoolUser } from 'src/Domain/School/SchoolUser.entity'; |
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import { UserAlreadyAddedToSchoolException } from 'src/Domain/User/Exception/UserAlreadyAddedToSchoolException'; |
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import { UserNotFoundException } from 'src/Domain/User/Exception/UserNotFoundException'; |
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import { IUserRepository } from 'src/Domain/User/Repository/IUserRepository'; |
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import { IsUserAlreadyAddedToSchool } from 'src/Domain/User/Specification/IsUserAlreadyAddedToSchool'; |
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import { AddUserToSchoolCommand } from './AddUserToSchoolCommand'; |
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@CommandHandler(AddUserToSchoolCommand) |
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export class AddUserToSchoolCommandHandler { |
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constructor( |
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@Inject('ISchoolRepository') |
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private readonly schoolRepository: ISchoolRepository, |
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@Inject('IUserRepository') |
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private readonly userRepository: IUserRepository, |
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@Inject('ISchoolUserRepository') |
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private readonly schoolUserRepository: ISchoolUserRepository, |
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private readonly isUserAlreadyAddedToSchool: IsUserAlreadyAddedToSchool, |
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) {} |
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public async execute(command: AddUserToSchoolCommand): Promise<string> { |
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const { schoolId, userId } = command; |
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const user = await this.userRepository.findOneById(userId); |
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if (!user) { |
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throw new UserNotFoundException(); |
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} |
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const school = await this.schoolRepository.findOneById(schoolId); |
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if (!school) { |
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throw new SchoolNotFoundException(); |
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} |
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if (true === (await this.isUserAlreadyAddedToSchool.isSatisfiedBy(school, user))) { |
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throw new UserAlreadyAddedToSchoolException(); |
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} |
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const schoolUser = await this.schoolUserRepository.save( |
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new SchoolUser(school, user) |
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); |
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// @todo : send email |
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return schoolUser.getId(); |
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} |
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} |
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fairnesscoop /
pictyschool
