'use strict';

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

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

/*
 *+------------------------------------------------------------------------+
 *| Licensed Materials - Property of IBM
 *| IBM Cognos Products: BI Dashboard
 *| (C) Copyright IBM Corp. 2019
 *|
 *| US Government Users Restricted Rights - Use, duplication or disclosure
 *| restricted by GSA ADP Schedule Contract with IBM Corp.
 *+------------------------------------------------------------------------+
 */

define(['underscore', '../../../lib/@waca/upgrades/UpgradeBase', './utils/WidgetUpgradeUtils'], function (_, UpgradeBase, WidgetUpgradeUtils) {
	var RankSlotUpgrade = function (_UpgradeBase) {
		_inherits(RankSlotUpgrade, _UpgradeBase);

		function RankSlotUpgrade() {
			_classCallCheck(this, RankSlotUpgrade);

			var _this = _possibleConstructorReturn(this, _UpgradeBase.call(this));

			_this.VERSION = 1027;
			return _this;
		}

		/**
   * Perform upgrade to remove rank slots. Hidden rank slots were being persisted in the spec 
   * before the rank refactoring. Now we don't create and use rank slots.
   * @param {object} spec - spec to perform upgrade on
   * @return {Promise} Promise to be resolved when upgrade performed
   */


		RankSlotUpgrade.prototype.up = function up(spec) {

			if (!spec) {
				return Promise.resolve(spec);
			}
			if (!WidgetUpgradeUtils.specHasWidgets(spec)) {
				return Promise.resolve(spec);
			}

			return this._upgradeWidgets(spec);
		};

		RankSlotUpgrade.prototype.down = function down(spec) {
			// Downgrades are not available in CA
			return Promise.resolve(spec);
		};

		RankSlotUpgrade.prototype._upgradeWidgets = function _upgradeWidgets(spec) {
			var _this2 = this;

			try {
				_.each(spec.widgets, function (model) {
					_this2._upgradeWidget(model);
				});
				return Promise.resolve(spec);
			} catch (error) {
				throw error;
			}
		};

		RankSlotUpgrade.prototype._upgradeWidget = function _upgradeWidget(model) {
			if (model.slotmapping && model.slotmapping.slots && model.slotmapping.slots.length) {
				model.slotmapping.slots = _.filter(model.slotmapping.slots, function (slot) {
					return slot.name !== 'rank';
				});
			}
		};

		return RankSlotUpgrade;
	}(UpgradeBase);

	return new RankSlotUpgrade();
});
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