fairnesscoop / permacoop

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

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

import {CreateHolidayCommand} from './CreateHolidayCommand';

import {IHolidayRepository} from 'src/Domain/HumanResource/Holiday/Repository/IHolidayRepository';

import {Holiday} from 'src/Domain/HumanResource/Holiday/Holiday.entity';

import {DoesHolidayExistForPeriod} from 'src/Domain/HumanResource/Holiday/Specification/DoesHolidayExistForPeriod';

import {HolidayAlreadyExistForThisPeriodException} from 'src/Domain/HumanResource/Holiday/Exception/HolidayAlreadyExistForThisPeriodException';

@CommandHandler(CreateHolidayCommand)

export class CreateHolidayCommandHandler {

  constructor(

    @Inject('IHolidayRepository')

    private readonly holidayRepository: IHolidayRepository,

    private readonly doesHolidayExistForPeriod: DoesHolidayExistForPeriod

  ) {}

  public async execute(command: CreateHolidayCommand): Promise<string> {

    const {

      user,

      endDate,

      endsAllDay,

      leaveType,

      startDate,

      startsAllDay,

      comment

    } = command;

    if (

      true ===

      (await this.doesHolidayExistForPeriod.isSatisfiedBy(

        user,

        startDate,

        endDate

      ))

    ) {

      throw new HolidayAlreadyExistForThisPeriodException();

    }

    const holiday = await this.holidayRepository.save(

      new Holiday(

        user,

        leaveType,

        startDate,

        startsAllDay,

        endDate,

        endsAllDay,

        comment

      )

    );

    return holiday.getId();

  }

}