fairnesscoop / permacoop

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

import { IEventRepository } from 'src/Domain/FairCalendar/Repository/IEventRepository';

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

import { GetFairCalendarOverview } from 'src/Domain/FairCalendar/GetFairCalendarOverview';

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

import { ProjectView } from 'src/Application/Project/View/ProjectView';

import { TaskView } from 'src/Application/Task/View/TaskView';

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

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

import { GetMonthlyFairCalendarQuery } from './GetMonthlyFairCalendarQuery';

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

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

@QueryHandler(GetMonthlyFairCalendarQuery)

export class GetMonthlyFairCalendarQueryHandler {

  constructor(

    @Inject('IEventRepository')

    private readonly eventRepository: IEventRepository,

    @Inject('ILeaveRepository')

    private readonly leaveRepository: ILeaveRepository,

    @Inject('IDateUtils')

    private readonly dateUtils: IDateUtils,

    private readonly getFairCalendarOverview: GetFairCalendarOverview

  ) {}

  public async execute(

    query: GetMonthlyFairCalendarQuery

  ): Promise<MonthlyEventsView> {

    const { date, userId } = query;

    const formatedDate = this.dateUtils.format(date, 'y-MM-dd');

    const [ events, leaves ] = await Promise.all([

      this.eventRepository.findMonthlyEvents(formatedDate, userId),

      this.leaveRepository.findMonthlyLeaves(formatedDate, userId)

    ]);

    return new MonthlyEventsView(

      [...this.buildEvents(events), ...this.buildLeaves(leaves)],

      this.getFairCalendarOverview.index([...events, ...leaves])

    );

  }

  private buildLeaves(leaves: Leave[]): FairCalendarView[] {

    const result: FairCalendarView[] = [];

    for (const leave of leaves) {

      result.push(

        new FairCalendarView(

          leave.getType(),

          leave.getTime() / 100,

          leave.getDate()

        )

      );

    }

    return result;

  }

}