js-abstract-synchronizer/build/serializer/ArangoSerializer.js

abstract synchronizer for backend and frontend

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _NotFoundError = require('js-abstract-synchronizer/errors/NotFoundError');

var _NotFoundError2 = _interopRequireDefault(_NotFoundError);

var _arangodbErrorCodes = require('arangodb-error-codes');

var _arangodbErrorCodes2 = _interopRequireDefault(_arangodbErrorCodes);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

var privates = Symbol('privates');
var handleDuplicateName = function handleDuplicateName(error) {
  return error.errorNum === _arangodbErrorCodes2.default.ERROR_ARANGO_DUPLICATE_NAME ? Promise.resolve() : Promise.reject(error);
};

var ArangoSerializer = function () {
  function ArangoSerializer(_ref) {
    var db = _ref.db;

    _classCallCheck(this, ArangoSerializer);

    this[privates] = {
      collection: db.collection('all'),
      db: db
    };
  }

  _createClass(ArangoSerializer, [{
    key: 'configure',
    value: function configure(dbName) {
      var _this = this;

      var db = this[privates].db;
      db.useDatabase('_system');

      return db.createDatabase(dbName).catch(handleDuplicateName).then(function () {
        return db.useDatabase(dbName);
      }).then(function () {
        return _this[privates].collection.create();
      }).catch(handleDuplicateName);
    }
  }, {
    key: 'save',
    value: function save(object) {
      var _this2 = this;

      return this[privates].collection.replaceByExample({ id: object.id }, object).then(function (result) {
        return result.replaced === 0 ? _this2[privates].collection.save(object) : null;
      });
    }
  }, {
    key: 'reload',
    value: function reload(id) {
      return this[privates].collection.firstExample({ id: id }).catch(function (error) {
        return Promise.reject(error.errorNum === _arangodbErrorCodes2.default.ERROR_HTTP_NOT_FOUND ? new _NotFoundError2.default() : error);
      });
    }
  }]);

  return ArangoSerializer;
}();

exports.default = ArangoSerializer;