fairnesscoop / permacoop

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

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

import { GetYearlyLeavesSummaryQuery } from './GetYearlyLeavesSummaryQuery';

import { ILeaveRepository } from 'src/Domain/HumanResource/Leave/Repository/ILeaveRepository';

import { LeavesSummaryView } from '../View/LeavesSummaryView';

@QueryHandler(GetYearlyLeavesSummaryQuery)

export class GetYearlyLeavesSummaryQueryHandler {

  constructor(

    @Inject('ILeaveRepository')

    private readonly leaveRepository: ILeaveRepository

  ) {}

  public async execute(

    query: GetYearlyLeavesSummaryQuery

  ): Promise<LeavesSummaryView[]> {

    const yearlyLeavesSummaries = await this.leaveRepository.yearlyLeavesSummary(

      2023

    );

    const MAXIMUM_LEAVE_TIME_ALLOWED = 420 * 5 * 7;

    const leavesSummaryViews = yearlyLeavesSummaries.map(

      ({ total_time, first_name, last_name }) =>

        new LeavesSummaryView(

          total_time,

          MAXIMUM_LEAVE_TIME_ALLOWED - total_time,

          first_name,

          last_name

        )

    );

    return leavesSummaryViews;

  }

}