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src/proxy/GeoResourceProxy.js

/*
 * BSD 3-Clause License
 *
 * Copyright (c) 2018, 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
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 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import GeoError from '../errors/GeoError';
import RequestParameters from '../RequestParameters';
import { GeoBoundary, GeoPoint } from '../utils/geo';
import ResourceProxy from './ResourceProxy';

export default class GeoResourceProxy extends ResourceProxy {
  /**
   * @param {Maps4News} api - Instance of the api
   * @param {ResourceBase} Target - Target to wrap
   * @param {?string} [altUrl=null] - Internal use, Optional alternative url for more complex routing
   * @param {object} seedData - Internal use, used for seeding ::new
   * @param {object} options - instance options
   * @param {boolean} [options.hasForPoint=true] - If the endpoint supports for-point
   * @param {boolean} [options.hasForBoundary=true] - If the endpoint supports for-boundary
   */
  constructor (api, Target, altUrl = null, seedData = {}, { hasForPoint = true, hasForBoundary = true } = {}) {
    super(api, Target, altUrl, seedData);
    this._hasForPoint = hasForPoint;
    this._hasForBoundary = hasForBoundary;
  }

  /**
   * If the proxy supports for-point operations
   * @returns {boolean} - If it supports the operations
   */
  get hasForPoint () {
    return this._hasForPoint;
  }

  /**
   * If the proxy supports for-point operations
   * @returns {boolean} - If it supports the operations
   */
  get hasForBoundary () {
    return this._hasForBoundary;
  }

  // noinspection JSCommentMatchesSignature
  /**
   * Get an array of results for boundary
   * @param {Object} boundary - boundary to search within
   * @param {Object} boundary.topLeft - top left corner of the boundary
   * @param {Number} boundary.topLeft.lat - top left corner latitude
   * @param {Number} boundary.topLeft.lng - top left corner longitude
   * @param {Object} boundary.bottomRight - bottom right corner of the boundary
   * @param {Number} boundary.bottomRight.lat - bottom right corner latitude
   * @param {Number} boundary.bottomRight.lng - bottom right corner longitude
   * @param {Number} limit - maximum amount of results, can't be larger then RequestParameters.maxPerPage
   * @returns {Promise<ResourceBase[]>} - target resource for boundary
   * @throws TypeError
   * @throws GeoError
   */
  async forBoundary ({ topLeft, bottomRight }, limit = RequestParameters.perPage) {
    if (!this.hasForBoundary) {
      throw new GeoError(`${this.Target.name} does not support the operation forBoundary`);
    }

    const boundary = new GeoBoundary(topLeft, bottomRight);

    if (limit > RequestParameters.maxPerPage) {
      throw new TypeError(`Invalid resource limit ${limit}, maximum allowed is ${RequestParameters.maxPerPage}`);
    }

    const url = `${this.new().baseUrl}/for-boundary`;

    const { data: { data: result } } = await this.api.axios.post(url, { limit, boundary });

    return result.map(r => this.new(r));
  }

  // noinspection JSCommentMatchesSignature
  /**
   * Get an array of results for point
   * @param {Object} point - point to search at
   * @param {Number} point.lat - top left corner latitude
   * @param {Number} point.lng - top left corner longitude
   * @param {Number} limit - maximum amount of results, can't be larger then RequestParameters.maxPerPage
   * @returns {Promise<ResourceBase[]>} - target resource for boundary
   * @throws TypeError
   * @throws GeoError
   */
  async forPoint ({ lat, lng }, limit = RequestParameters.perPage) {
    if (!this.hasForPoint) {
      throw new GeoError(`${this.Target.name} does not support the operation forPoint`);
    }

    const point = new GeoPoint(lat, lng);

    if (limit > RequestParameters.maxPerPage) {
      throw new TypeError(`Invalid resource limit ${limit}, maximum allowed is ${RequestParameters.maxPerPage}`);
    }

    const url = `${this.new().baseUrl}/for-point`;
    const { data: { data: result } } = await this.api.axios.post(url, { limit, point });

    return result.map(r => this.new(r));
  }
}