analytics/webcontent/bi/js/dashboard-analytics/features/content/dataQueryExecution/QueryDataItemBuilder.js

'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. 2017, 2019
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 *
 */
define(['./VisQuerySelectionBuilder'], function (VisQuerySelectionBuilder) {
	// noinspection JSAnnotator
	/**
  * INTENT: VisQueryDataItemBuilder is used to construct a dataItem in the form needed by the query.
  * building the dataItem involves a number of 'on the fly' steps such as:
  *		inserting the appropriate initial selection based on the current drill state,
  * 		deciding if a filter should be a dataItem selection
  *		ensuring that selections are performed in a predictable order (initial selection (root members or drill members), keep/remove, topN, sort)
  */

	var QueryDataItemBuilder = function () {
		function QueryDataItemBuilder(_ref) {
			var internalVisualization = _ref.internalVisualization,
			    layerToQuerySlotsMap = _ref.layerToQuerySlotsMap,
			    applyServerSort = _ref.applyServerSort;

			_classCallCheck(this, QueryDataItemBuilder);

			this.internalVisualization = internalVisualization;
			this.visQuerySelectionBuilder = new VisQuerySelectionBuilder({ internalVisualization: internalVisualization, layerToQuerySlotsMap: layerToQuerySlotsMap, applyServerSort: applyServerSort });
		}

		QueryDataItemBuilder.prototype._isExistingDrillSelection = function _isExistingDrillSelection(dataItem) {
			var drillSelection = dataItem.getDrillDownValue() || dataItem.getDrillUpValue();
			return !!drillSelection;
		};

		/*
   * @private
   * @return {Array} An array of Data Item objects assigned to a single slot.
   **/


		QueryDataItemBuilder.prototype.build = function build(dataItem, slot, outputEdgeFilterExceptions) {
			//todo: before here is oldDataItemAPI.toQueryJSON()
			var oDataItemJSON = {
				id: dataItem.getId(),
				itemId: dataItem.getColumnId()
			};

			if (!dataItem.getBinning() && this._isExistingDrillSelection(dataItem) && dataItem.getMetadataColumn().isNamedSet()) {
				oDataItemJSON.itemId = dataItem.getMetadataColumn().getReferencedHierarchyId();
			}

			if (dataItem.getType() === 'fact') {
				//MappedDataItemAPI#getType
				// If the final slot type is ordinal, it means we are querying the data item
				// in a ordinal form, which in this case we want to respect the aggregation type
				// except 'none'
				oDataItemJSON.aggregate = dataItem.getAggregation();
			}

			var finalSelection = this.visQuerySelectionBuilder.build(dataItem, slot, outputEdgeFilterExceptions);
			if (finalSelection.length) {
				oDataItemJSON.selection = finalSelection;
			}
			var binningSpec = this._buildAutoBinningSpec(dataItem);
			//binned dataItem type will be attribute, so if it has aggregate we need to remove it.
			// binningDefinition is part of toQueryJSON (need for copy/paste), but dss query has different format
			if (binningSpec) {
				//remove old selection, since it may have top/bottom
				if (!finalSelection.length) {
					delete oDataItemJSON.selection;
				}
				delete oDataItemJSON.aggregate;
				oDataItemJSON.binning = binningSpec;
			}
			return oDataItemJSON;
		};

		QueryDataItemBuilder.prototype._buildAutoBinningSpec = function _buildAutoBinningSpec(dataItem) {
			var MAX_DECIMAL_PLACES_DEFAULT = 2;
			var binning = dataItem.getBinning();
			if (binning) {
				var binningQuerySpec = {
					auto: {
						numberOfBins: binning.bins,
						maxDecPlaces: MAX_DECIMAL_PLACES_DEFAULT
					}
				};
				var format = dataItem.getFormat();
				if (format && Number.isInteger(format.maximumFractionDigits)) {
					binningQuerySpec.auto.maxDecPlaces = format.maximumFractionDigits;
				}
				return binningQuerySpec;
			}
			return null;
		};

		return QueryDataItemBuilder;
	}();

	return QueryDataItemBuilder;
});
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