src/resources/base/CrudSetItemBase.js

/*
 * BSD 3-Clause License
 *
 * Copyright (c) 2020, Mapcreator
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 *
 *  Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 *  Neither the name of the copyright holder nor the names of its
 *   contributors may be used to endorse or promote products derived from
 *   this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import { AbstractClassError } from '../../errors/AbstractError';
import CrudBase from './CrudBase';
import { camel as camelCase } from 'case';

/**
 * Items that are part of a set
 * @abstract
 */
export default class CrudSetItemBase extends CrudBase {
  /**
   * @param {Mapcreator} api - Api instance
   * @param {Object<String, *>} data - Item data
   * @param {String} [altUrl] - Internal use, Optional alternative url for more complex routing
   */
  constructor (api, data = {}, altUrl = null) {
    super(api, data, altUrl);

    if (this.constructor === CrudBase) {
      throw new AbstractClassError();
    }
  }

  get hasParent () {
    const parentKey = camelCase(this.constructor.parentKey);

    return this.hasOwnProperty(parentKey);
  }

  /**
   * Get the parent id
   * @returns {number|undefined} - Parent number
   */
  get parentId () {
    if (this.hasParent) {
      const parentKey = camelCase(this.constructor.parentKey);

      return Number(this[parentKey]);
    }

    return void 0;
  }

  /**
   * Get the parent key
   * @returns {string} - Parent key
   */
  static get parentKey () {
    return this.resourceName.replace(/s$/, '_set_id');
  }
}