fairnesscoop / permacoop

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

import { IDateUtils } from 'src/Application/IDateUtils';

import { IMealTicketRemovalRepository } from '../Repository/IMealTicketRemovalRepository';

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

import { LeaveRequest } from '../../Leave/LeaveRequest.entity';

import { IsMealTicketRemovalAlreadyExist } from '../Specification/IsMealTicketRemovalAlreadyExist';

export class LeaveRequestToMealTicketRemovalConverter {

  constructor(

    @Inject('IMealTicketRemovalRepository')

    private readonly mealTicketRemovalRepository: IMealTicketRemovalRepository,

    @Inject('IDateUtils')

    private readonly dateUtils: IDateUtils,

    private readonly isMealTicketRemovalAlreadyExist: IsMealTicketRemovalAlreadyExist,

  ) {}

  public async convert(leaveRequest: LeaveRequest): Promise<void> {

    const exceptions: MealTicketRemoval[] = [];

    const dates = this.dateUtils.getWorkedDaysDuringAPeriod(

      new Date(leaveRequest.getStartDate()),

      new Date(leaveRequest.getEndDate())

    );

    if (!dates || 0 === dates.length) {

      return;

    }

    const user = leaveRequest.getUser();

    for (const date of dates) {

      if (true === (await this.isMealTicketRemovalAlreadyExist.isSatisfiedBy(user, new Date(date)))) {

        continue;

      }

      exceptions.push(

        new MealTicketRemoval(

          date.toISOString(),

          leaveRequest.getUser()

        )

      );

    }

    this.mealTicketRemovalRepository.save(exceptions);

  }

}