fairnesscoop / permacoop

import {

  format as fnsFormat,

  isWeekend as fnsIsWeekend,

  getDaysInMonth as fnsGetDaysInMonth,

  eachDayOfInterval

} from 'date-fns';

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

@Injectable()

export class DateUtilsAdapter implements IDateUtils {

  constructor(private readonly date: Date = new Date()) {}

  public format(date: Date, format: string): string {

    return fnsFormat(date, format);

  }

  public getDaysInMonth(date: Date): number {

    return fnsGetDaysInMonth(date);

  }

  public isWeekend(date: Date): boolean {

    return fnsIsWeekend(date);

  }

  public getCurrentDate(): Date {

    return this.date;

  }

  public getCurrentDateToISOString(): string {

    return this.date.toISOString();

  }

  public getWorkedDaysDuringAPeriod(start: Date, end: Date): Date[] {

    const dates: Date[] = [];

    for (const day of eachDayOfInterval({start, end})) {

      if (

        this.isWeekend(day) ||

        this.getWorkedFreeDays(day).filter(

          d => d.toISOString() === day.toISOString()

        ).length > 0

      ) {

        continue;

      }

      dates.push(day);

    }

    return dates;

  }

  }

}