fairnesscoop / permacoop

import {

  Controller,

  Inject,

  BadRequestException,

  Get,

  Res,

  UseGuards

} from '@nestjs/common';

import { Response } from 'express';

import { ApiTags, ApiOperation, ApiSecurity } from '@nestjs/swagger';

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

import { CalendarSecretGuard } from 'src/Infrastructure/HumanResource/User/Security/CalendarSecretGuard';

import { GetLeavesCalendarQuery } from 'src/Application/HumanResource/Leave/Query/GetLeavesCalendarQuery';

@Controller('leaves')

@ApiTags('Human Resource')

@ApiSecurity('calendar_secret')

@UseGuards(CalendarSecretGuard)

export class GetLeavesCalendarAction {

  constructor(

    @Inject('IQueryBus')

    private readonly queryBus: IQueryBus

  ) {}

  @Get('calendar.ics')

  @ApiOperation({ summary: 'Export leaves to iCalendar format' })

  public async index(@Res() res: Response): Promise<Response> {

    res.header('Content-Type', 'text/calendar;charset=UTF-8');

    res.header('Cache-Control', 'no-store, no-cache, must-revalidate');

    res.attachment('leaves.ics');

    let ics: string;

    try {

      ics = await this.queryBus.execute(new GetLeavesCalendarQuery());

    } catch (e) {

      throw new BadRequestException(e.message);

    }

    return res.send(ics);

  }

}