Eve-Project/app-node/node_modules/parse/lib/browser/EventuallyQueue.js

"use strict";

var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault");
var _stringify = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/json/stringify"));
var _splice = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/instance/splice"));
var _findIndex = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/instance/find-index"));
var _setInterval2 = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/set-interval"));
var _find = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/instance/find"));
var _regenerator = _interopRequireDefault(require("@babel/runtime-corejs3/regenerator"));
var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime-corejs3/helpers/toConsumableArray"));
var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime-corejs3/helpers/asyncToGenerator"));
var _CoreManager = _interopRequireDefault(require("./CoreManager"));
var _ParseObject = _interopRequireDefault(require("./ParseObject"));
var _ParseQuery = _interopRequireDefault(require("./ParseQuery"));
var _Storage = _interopRequireDefault(require("./Storage"));
/**
 * https://github.com/francimedia/parse-js-local-storage
 *
 * @flow
 */
/*:: import type { SaveOptions } from './ParseObject';*/
/*:: import type { RequestOptions } from './RESTController';*/
/*:: type QueueObject = {
  queueId: string,
  action: string,
  object: ParseObject,
  serverOptions: SaveOptions | RequestOptions,
  id: string,
  className: string,
  hash: string,
  createdAt: Date,
};*/
/*:: type Queue = Array<QueueObject>;*/
var QUEUE_KEY = 'Parse/Eventually/Queue';
var queueCache = [];
var dirtyCache = true;
var polling = undefined;

/**
 * Provides utility functions to queue objects that will be
 * saved to the server at a later date.
 *
 * @class Parse.EventuallyQueue
 * @static
 */
var EventuallyQueue = {
  /**
   * Add object to queue with save operation.
   *
   * @function save
   * @name Parse.EventuallyQueue.save
   * @param {ParseObject} object Parse.Object to be saved eventually
   * @param {object} [serverOptions] See {@link https://parseplatform.org/Parse-SDK-JS/api/master/Parse.Object.html#save Parse.Object.save} options.
   * @returns {Promise} A promise that is fulfilled if object is added to queue.
   * @static
   * @see Parse.Object#saveEventually
   */
  save: function (object /*: ParseObject*/) /*: Promise*/{
    var serverOptions /*: SaveOptions*/ = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    return this.enqueue('save', object, serverOptions);
  },
  /**
   * Add object to queue with save operation.
   *
   * @function destroy
   * @name Parse.EventuallyQueue.destroy
   * @param {ParseObject} object Parse.Object to be destroyed eventually
   * @param {object} [serverOptions] See {@link https://parseplatform.org/Parse-SDK-JS/api/master/Parse.Object.html#destroy Parse.Object.destroy} options
   * @returns {Promise} A promise that is fulfilled if object is added to queue.
   * @static
   * @see Parse.Object#destroyEventually
   */
  destroy: function (object /*: ParseObject*/) /*: Promise*/{
    var serverOptions /*: RequestOptions*/ = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    return this.enqueue('destroy', object, serverOptions);
  },
  /**
   * Generate unique identifier to avoid duplicates and maintain previous state.
   *
   * @param {string} action save / destroy
   * @param {object} object Parse.Object to be queued
   * @returns {string}
   * @static
   * @ignore
   */
  generateQueueId: function (action /*: string*/, object /*: ParseObject*/) /*: string*/{
    object._getId();
    var className = object.className,
      id = object.id,
      _localId = object._localId;
    var uniqueId = object.get('hash') || _localId;
    return [action, className, id, uniqueId].join('_');
  },
  /**
   * Build queue object and add to queue.
   *
   * @param {string} action save / destroy
   * @param {object} object Parse.Object to be queued
   * @param {object} [serverOptions]
   * @returns {Promise} A promise that is fulfilled if object is added to queue.
   * @static
   * @ignore
   */
  enqueue: function (action /*: string*/, object /*: ParseObject*/, serverOptions /*: SaveOptions | RequestOptions*/) /*: Promise*/{
    var _this = this;
    return (0, _asyncToGenerator2.default)( /*#__PURE__*/_regenerator.default.mark(function _callee() {
      var queueData, queueId, index, prop;
      return _regenerator.default.wrap(function (_context) {
        while (1) switch (_context.prev = _context.next) {
          case 0:
            _context.next = 2;
            return _this.getQueue();
          case 2:
            queueData = _context.sent;
            queueId = _this.generateQueueId(action, object);
            index = _this.queueItemExists(queueData, queueId);
            if (index > -1) {
              // Add cached values to new object if they don't exist
              for (prop in queueData[index].object) {
                if (typeof object.get(prop) === 'undefined') {
                  object.set(prop, queueData[index].object[prop]);
                }
              }
            } else {
              index = queueData.length;
            }
            queueData[index] = {
              queueId: queueId,
              action: action,
              object: object.toJSON(),
              serverOptions: serverOptions,
              id: object.id,
              className: object.className,
              hash: object.get('hash'),
              createdAt: new Date()
            };
            return _context.abrupt("return", _this.setQueue(queueData));
          case 8:
          case "end":
            return _context.stop();
        }
      }, _callee);
    }))();
  },
  store: function (data) {
    return _Storage.default.setItemAsync(QUEUE_KEY, (0, _stringify.default)(data));
  },
  load: function () {
    return _Storage.default.getItemAsync(QUEUE_KEY);
  },
  /**
   * Sets the in-memory queue from local storage and returns.
   *
   * @function getQueue
   * @name Parse.EventuallyQueue.getQueue
   * @returns {Promise<Array>}
   * @static
   */
  getQueue: function () /*: Promise<Array>*/{
    var _this2 = this;
    return (0, _asyncToGenerator2.default)( /*#__PURE__*/_regenerator.default.mark(function _callee2() {
      return _regenerator.default.wrap(function (_context2) {
        while (1) switch (_context2.prev = _context2.next) {
          case 0:
            if (!dirtyCache) {
              _context2.next = 10;
              break;
            }
            _context2.t0 = JSON;
            _context2.next = 4;
            return _this2.load();
          case 4:
            _context2.t1 = _context2.sent;
            if (_context2.t1) {
              _context2.next = 7;
              break;
            }
            _context2.t1 = '[]';
          case 7:
            _context2.t2 = _context2.t1;
            queueCache = _context2.t0.parse.call(_context2.t0, _context2.t2);
            dirtyCache = false;
          case 10:
            return _context2.abrupt("return", queueCache);
          case 11:
          case "end":
            return _context2.stop();
        }
      }, _callee2);
    }))();
  },
  /**
   * Saves the queue to local storage
   *
   * @param {Queue} queue Queue containing Parse.Object data.
   * @returns {Promise} A promise that is fulfilled when queue is stored.
   * @static
   * @ignore
   */
  setQueue: function (queue /*: Queue*/) /*: Promise<void>*/{
    queueCache = queue;
    return this.store(queueCache);
  },
  /**
   * Removes Parse.Object data from queue.
   *
   * @param {string} queueId Unique identifier for Parse.Object data.
   * @returns {Promise} A promise that is fulfilled when queue is stored.
   * @static
   * @ignore
   */
  remove: function (queueId /*: string*/) /*: Promise<void>*/{
    var _this3 = this;
    return (0, _asyncToGenerator2.default)( /*#__PURE__*/_regenerator.default.mark(function _callee3() {
      var queueData, index;
      return _regenerator.default.wrap(function (_context3) {
        while (1) switch (_context3.prev = _context3.next) {
          case 0:
            _context3.next = 2;
            return _this3.getQueue();
          case 2:
            queueData = _context3.sent;
            index = _this3.queueItemExists(queueData, queueId);
            if (!(index > -1)) {
              _context3.next = 8;
              break;
            }
            (0, _splice.default)(queueData).call(queueData, index, 1);
            _context3.next = 8;
            return _this3.setQueue(queueData);
          case 8:
          case "end":
            return _context3.stop();
        }
      }, _callee3);
    }))();
  },
  /**
   * Removes all objects from queue.
   *
   * @function clear
   * @name Parse.EventuallyQueue.clear
   * @returns {Promise} A promise that is fulfilled when queue is cleared.
   * @static
   */
  clear: function () /*: Promise*/{
    queueCache = [];
    return this.store([]);
  },
  /**
   * Return the index of a queueId in the queue. Returns -1 if not found.
   *
   * @param {Queue} queue Queue containing Parse.Object data.
   * @param {string} queueId Unique identifier for Parse.Object data.
   * @returns {number}
   * @static
   * @ignore
   */
  queueItemExists: function (queue /*: Queue*/, queueId /*: string*/) /*: number*/{
    return (0, _findIndex.default)(queue).call(queue, function (data) {
      return data.queueId === queueId;
    });
  },
  /**
   * Return the number of objects in the queue.
   *
   * @function length
   * @name Parse.EventuallyQueue.length
   * @returns {number}
   * @static
   */
  length: function () /*: number*/{
    var _this4 = this;
    return (0, _asyncToGenerator2.default)( /*#__PURE__*/_regenerator.default.mark(function _callee4() {
      var queueData;
      return _regenerator.default.wrap(function (_context4) {
        while (1) switch (_context4.prev = _context4.next) {
          case 0:
            _context4.next = 2;
            return _this4.getQueue();
          case 2:
            queueData = _context4.sent;
            return _context4.abrupt("return", queueData.length);
          case 4:
          case "end":
            return _context4.stop();
        }
      }, _callee4);
    }))();
  },
  /**
   * Sends the queue to the server.
   *
   * @function sendQueue
   * @name Parse.EventuallyQueue.sendQueue
   * @returns {Promise<boolean>} Returns true if queue was sent successfully.
   * @static
   */
  sendQueue: function () /*: Promise<boolean>*/{
    var _this5 = this;
    return (0, _asyncToGenerator2.default)( /*#__PURE__*/_regenerator.default.mark(function _callee5() {
      var queue, queueData, i, queueObject, id, hash, className, ObjectType;
      return _regenerator.default.wrap(function (_context5) {
        while (1) switch (_context5.prev = _context5.next) {
          case 0:
            _context5.next = 2;
            return _this5.getQueue();
          case 2:
            queue = _context5.sent;
            queueData = (0, _toConsumableArray2.default)(queue);
            if (!(queueData.length === 0)) {
              _context5.next = 6;
              break;
            }
            return _context5.abrupt("return", false);
          case 6:
            i = 0;
          case 7:
            if (!(i < queueData.length)) {
              _context5.next = 26;
              break;
            }
            queueObject = queueData[i];
            id = queueObject.id, hash = queueObject.hash, className = queueObject.className;
            ObjectType = _ParseObject.default.extend(className);
            if (!id) {
              _context5.next = 16;
              break;
            }
            _context5.next = 14;
            return _this5.process.byId(ObjectType, queueObject);
          case 14:
            _context5.next = 23;
            break;
          case 16:
            if (!hash) {
              _context5.next = 21;
              break;
            }
            _context5.next = 19;
            return _this5.process.byHash(ObjectType, queueObject);
          case 19:
            _context5.next = 23;
            break;
          case 21:
            _context5.next = 23;
            return _this5.process.create(ObjectType, queueObject);
          case 23:
            i += 1;
            _context5.next = 7;
            break;
          case 26:
            return _context5.abrupt("return", true);
          case 27:
          case "end":
            return _context5.stop();
        }
      }, _callee5);
    }))();
  },
  /**
   * Build queue object and add to queue.
   *
   * @param {ParseObject} object Parse.Object to be processed
   * @param {QueueObject} queueObject Parse.Object data from the queue
   * @returns {Promise} A promise that is fulfilled when operation is performed.
   * @static
   * @ignore
   */
  sendQueueCallback: function (object /*: ParseObject*/, queueObject /*: QueueObject*/) /*: Promise<void>*/{
    var _this6 = this;
    return (0, _asyncToGenerator2.default)( /*#__PURE__*/_regenerator.default.mark(function _callee6() {
      return _regenerator.default.wrap(function (_context6) {
        while (1) switch (_context6.prev = _context6.next) {
          case 0:
            if (object) {
              _context6.next = 2;
              break;
            }
            return _context6.abrupt("return", _this6.remove(queueObject.queueId));
          case 2:
            _context6.t0 = queueObject.action;
            _context6.next = _context6.t0 === 'save' ? 5 : _context6.t0 === 'destroy' ? 20 : 33;
            break;
          case 5:
            if (!(typeof object.updatedAt !== 'undefined' && object.updatedAt > new Date(queueObject.object.createdAt))) {
              _context6.next = 7;
              break;
            }
            return _context6.abrupt("return", _this6.remove(queueObject.queueId));
          case 7:
            _context6.prev = 7;
            _context6.next = 10;
            return object.save(queueObject.object, queueObject.serverOptions);
          case 10:
            _context6.next = 12;
            return _this6.remove(queueObject.queueId);
          case 12:
            _context6.next = 19;
            break;
          case 14:
            _context6.prev = 14;
            _context6.t1 = _context6["catch"](7);
            if (!(_context6.t1.message !== 'XMLHttpRequest failed: "Unable to connect to the Parse API"')) {
              _context6.next = 19;
              break;
            }
            _context6.next = 19;
            return _this6.remove(queueObject.queueId);
          case 19:
            return _context6.abrupt("break", 33);
          case 20:
            _context6.prev = 20;
            _context6.next = 23;
            return object.destroy(queueObject.serverOptions);
          case 23:
            _context6.next = 25;
            return _this6.remove(queueObject.queueId);
          case 25:
            _context6.next = 32;
            break;
          case 27:
            _context6.prev = 27;
            _context6.t2 = _context6["catch"](20);
            if (!(_context6.t2.message !== 'XMLHttpRequest failed: "Unable to connect to the Parse API"')) {
              _context6.next = 32;
              break;
            }
            _context6.next = 32;
            return _this6.remove(queueObject.queueId);
          case 32:
            return _context6.abrupt("break", 33);
          case 33:
          case "end":
            return _context6.stop();
        }
      }, _callee6, null, [[7, 14], [20, 27]]);
    }))();
  },
  /**
   * Start polling server for network connection.
   * Will send queue if connection is established.
   *
   * @function poll
   * @name Parse.EventuallyQueue.poll
   * @param [ms] Milliseconds to ping the server. Default 2000ms
   * @static
   */
  poll: function () {
    var _this7 = this;
    var ms /*: number*/ = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 2000;
    if (polling) {
      return;
    }
    polling = (0, _setInterval2.default)(function () {
      var RESTController = _CoreManager.default.getRESTController();
      RESTController.request('GET', 'health').then(function (_ref) {
        var status = _ref.status;
        if (status === 'ok') {
          _this7.stopPoll();
          return _this7.sendQueue();
        }
      }).catch(function (e) {
        return e;
      });
    }, ms);
  },
  /**
   * Turns off polling.
   *
   * @function stopPoll
   * @name Parse.EventuallyQueue.stopPoll
   * @static
   */
  stopPoll: function () {
    clearInterval(polling);
    polling = undefined;
  },
  /**
   * Return true if pinging the server.
   *
   * @function isPolling
   * @name Parse.EventuallyQueue.isPolling
   * @returns {boolean}
   * @static
   */
  isPolling: function () /*: boolean*/{
    return !!polling;
  },
  _setPolling: function (flag /*: boolean*/) {
    polling = flag;
  },
  process: {
    create: function (ObjectType, queueObject) {
      var object = new ObjectType();
      return EventuallyQueue.sendQueueCallback(object, queueObject);
    },
    byId: function (ObjectType, queueObject) {
      return (0, _asyncToGenerator2.default)( /*#__PURE__*/_regenerator.default.mark(function _callee7() {
        var sessionToken, query, results;
        return _regenerator.default.wrap(function (_context7) {
          while (1) switch (_context7.prev = _context7.next) {
            case 0:
              sessionToken = queueObject.serverOptions.sessionToken;
              query = new _ParseQuery.default(ObjectType);
              query.equalTo('objectId', queueObject.id);
              _context7.next = 5;
              return (0, _find.default)(query).call(query, {
                sessionToken: sessionToken
              });
            case 5:
              results = _context7.sent;
              return _context7.abrupt("return", EventuallyQueue.sendQueueCallback(results[0], queueObject));
            case 7:
            case "end":
              return _context7.stop();
          }
        }, _callee7);
      }))();
    },
    byHash: function (ObjectType, queueObject) {
      return (0, _asyncToGenerator2.default)( /*#__PURE__*/_regenerator.default.mark(function _callee8() {
        var sessionToken, query, results;
        return _regenerator.default.wrap(function (_context8) {
          while (1) switch (_context8.prev = _context8.next) {
            case 0:
              sessionToken = queueObject.serverOptions.sessionToken;
              query = new _ParseQuery.default(ObjectType);
              query.equalTo('hash', queueObject.hash);
              _context8.next = 5;
              return (0, _find.default)(query).call(query, {
                sessionToken: sessionToken
              });
            case 5:
              results = _context8.sent;
              if (!(results.length > 0)) {
                _context8.next = 8;
                break;
              }
              return _context8.abrupt("return", EventuallyQueue.sendQueueCallback(results[0], queueObject));
            case 8:
              return _context8.abrupt("return", EventuallyQueue.process.create(ObjectType, queueObject));
            case 9:
            case "end":
              return _context8.stop();
          }
        }, _callee8);
      }))();
    }
  }
};
module.exports = EventuallyQueue;