'use strict';

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

/**
 * Licensed Materials - Property of IBM
 * IBM Cognos Products: BI Cloud (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/dashboard-common/dist/core/APIFactory', './api/QueryModifierAPI', './DataQueryUtils', '../../../filters/FilterQuerySpec'], function (_, APIFactory, QueryModifierAPI, DataQueryUtils, FilterQuerySpec) {
	var QueryModifier = function () {
		function QueryModifier(_ref) {
			var content = _ref.content,
			    dashboardAPI = _ref.dashboardAPI;

			_classCallCheck(this, QueryModifier);

			this.content = content;
			this.dashboard = dashboardAPI;
			this.eventGroups = this.dashboard.getFeature('EventGroups');
			this.globalFilters = this.dashboard.getFeature('GlobalFilters');
			this.content.getFeature('DataQueryExecution').registerQueryModifier(this.getAPI());
		}

		QueryModifier.prototype.getAPI = function getAPI() {
			if (!this.api) {
				this.api = APIFactory.createAPI(this, [QueryModifierAPI]);
			}
			return this.api;
		};

		QueryModifier.prototype.getType = function getType() {
			return 'main';
		};

		QueryModifier.prototype.modifyQuerySpecListForQueryHint = function modifyQuerySpecListForQueryHint(querySpecList) {
			var _this = this;

			//add more queryHints
			querySpecList.forEach(function (querySpec) {
				if (querySpec.type === _this.getType()) {
					//we only add to main query
					_this._addQueryHintToSpec(querySpec.spec);
				}
			});
			return querySpecList;
		};

		QueryModifier.prototype.modifyQuerySpecList = function modifyQuerySpecList(querySpecList) {
			querySpecList = this.modifyQuerySpecListForFilters(querySpecList);
			querySpecList = this.modifyQuerySpecListForQueryHint(querySpecList);
			return querySpecList;
		};

		QueryModifier.prototype.modifyQuerySpecListForFilters = function modifyQuerySpecListForFilters(querySpecList) {
			var _this2 = this;

			var visualization = this.content.getFeature('Visualization');
			var filterSpecList = DataQueryUtils.getFilterSpecListByVisualization(this.content, this.dashboard);
			var updatedFilterSpecList = DataQueryUtils.convertExcludeEmptyValuesFilters(filterSpecList, visualization.getDataSource());
			var filterQuerySpecList = this._getFilterQuerySpecList(updatedFilterSpecList, visualization);

			// apply the global filter to each query spec
			if (filterQuerySpecList && filterQuerySpecList.length) {
				_.each(querySpecList, function (querySpec) {
					if (querySpec.type === _this2.getType()) {
						var _querySpec$spec$filte;

						if (!querySpec.spec.filters) {
							querySpec.spec.filters = [];
						}
						(_querySpec$spec$filte = querySpec.spec.filters).push.apply(_querySpec$spec$filte, filterQuerySpecList);
					}
				});
			}
			return querySpecList;
		};

		/**
   * @private
   * Get the list of global filter query specifications
   */


		QueryModifier.prototype._getFilterQuerySpecList = function _getFilterQuerySpecList(filterList, visualization) {
			var filterSpec = new FilterQuerySpec(visualization);
			filterSpec.addFiltersToSpec(filterList);
			return filterSpec.hasFilterSpec() ? filterSpec.getFilterSpec() : [];
		};

		QueryModifier.prototype._addValueToQueryHints = function _addValueToQueryHints(spec, queryHintKey, queryHintValue) {
			if (!spec.queryHints) {
				spec.queryHints = {};
			}
			spec.queryHints[queryHintKey] = queryHintValue;
		};

		QueryModifier.prototype._addQueryHintToSpec = function _addQueryHintToSpec(spec) {
			var preferredModelItems = DataQueryUtils.getRelatedModelItemsForQueryHint(this.content, this.dashboard);
			if (preferredModelItems.length) {
				this._addValueToQueryHints(spec, 'preferredModelItems', preferredModelItems);
			}

			var refreshProperty = this.content.getPropertyValue('queryRefresh');
			if (!(refreshProperty && refreshProperty.autoRefresh)) {
				var localCache = this.dashboard.getCanvas().getPropertyValue('dataCache');
				if (localCache === 'yes') {
					this._addValueToQueryHints(spec, 'dataCacheExpiry', '3600');
				} else if (localCache === 'no') {
					this._addValueToQueryHints(spec, 'dataCacheExpiry', '0');
				}
			}
		};

		return QueryModifier;
	}();

	return QueryModifier;
});
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