opf/openproject

//-- copyright
// OpenProject is an open source project management software.
// Copyright (C) the OpenProject GmbH
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License version 3.
//
// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
// Copyright (C) 2006-2013 Jean-Philippe Lang
// Copyright (C) 2010-2013 the ChiliProject Team
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
// See COPYRIGHT and LICENSE files for more details.
//++

import {
  Injectable,
} from '@angular/core';
import { WorkPackageChangeset } from 'core-app/features/work-packages/components/wp-edit/work-package-changeset';
import { DateModalRelationsService } from 'core-app/shared/components/datepicker/services/date-modal-relations.service';
import { DayElement } from 'flatpickr/dist/types/instance';

@Injectable()
export class DateModalSchedulingService {
  private changeset:WorkPackageChangeset;

  scheduleManually = false;

  constructor(
    readonly dateModalRelations:DateModalRelationsService,
  ) {}

  setChangeset(changeset:WorkPackageChangeset) {
    this.changeset = changeset;
    this.scheduleManually = !!this.changeset.value('scheduleManually');
  }

  /**
   * Returns whether the user can alter the dates of the work package.
   */
  get isSchedulable():boolean {
    return this.scheduleManually || !this.dateModalRelations.isParent;
  }

  isDayDisabled(dayElement:DayElement, minimalDate?:Date|null):boolean {
    return !this.isSchedulable || (!this.scheduleManually && !!minimalDate && dayElement.dateObj <= minimalDate);
  }
}