fairnesscoop / permacoop

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

import {

  Holiday,

  HolidayLeaveType

} from '../../HumanResource/Holiday/Holiday.entity';

import {Event, EventType} from 'src/Domain/FairCalendar/Event.entity';

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

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

export class HolidayToEventsConverter {

  constructor(

    @Inject('IEventRepository')

    private readonly eventRepository: IEventRepository,

    @Inject('IDateUtils')

    private readonly dateUtils: IDateUtils

  ) {}

  public convert(holiday: Holiday): void {

    const user = holiday.getUser();

    const dates = this.dateUtils.getWorkedDaysDuringAPeriod(

      new Date(holiday.getStartDate()),

      new Date(holiday.getEndDate())

    );

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

      return;

    }

    const firstDate = dates[0].toISOString();

    const lastDate = dates[dates.length - 1].toISOString();

    for (const date of dates) {

      this.eventRepository.save(

        new Event(

          this.getType(holiday),

          user,

          this.getTime(holiday, firstDate, lastDate, date.toISOString()),

          date.toISOString()

        )

      );

    }

  }

  private getTime(

    holiday: Holiday,

    firstDate: string,

    lastDate: string,

    currentDate: string

  ): number {

    return (firstDate === currentDate && false === holiday.isStartsAllDay()) ||

      (lastDate === currentDate && false === holiday.isEndsAllDay())

      ? 50

      : 100;

  }

  private getType(holiday: Holiday): EventType {

    return holiday.getLeaveType() === HolidayLeaveType.MEDICAL

      ? EventType.MEDICAL_LEAVE

      : EventType.HOLIDAY;

  }

}