analytics/webcontent/bi/js/gemini/dashboard/util/DBUtils.js

'use strict';

/*
 *+------------------------------------------------------------------------+
 *| Licensed Materials - Property of IBM
 *| IBM Cognos Products: BI Dashboard
 *| (C) Copyright IBM Corp. 2015, 2017
 *|
 *| US Government Users Restricted Rights - Use, duplication or disclosure
 *| restricted by GSA ADP Schedule Contract with IBM Corp.
 *+------------------------------------------------------------------------+
 */

//TODO this is a singleton and needs to die!

define(['underscore'], function (_) {

	/**
  * @private
 	*/
	var _instance = null;

	/**
  *we could pass options for initialization
  *@constructor
  */
	var DBUtils = function DBUtils() {};

	/**
  *@constant
  *@type {string}
  */
	DBUtils.prototype.CONSTANTS = {
		METADATA_ENDPOINT_PREFIX: '/bi/v1/metdata/proposals/',
		METADATA_ENDPOINT_POSTFIX: '/metadata'
	};
	/**
  * @param moserResponse, an Array of object, returned by moser intent search
  * service each array element contains dataset information, search terms,
  * and more
  */
	DBUtils.prototype.toIntentFormat = function (moserResponse) {
		var arrColumns = [];
		var dataSet = {};
		//Filter results that don't contain significant columns.
		var filteredResults = _.filter(moserResponse, function (searchResult) {
			return searchResult.proposal.metadataTreeViewFocus.significant && searchResult.proposal.metadataTreeViewFocus.significant.length > 0;
		});
		var result = _.map(filteredResults, function (searchResult) {
			arrColumns = searchResult.proposal.metadataTreeViewFocus.significant;
			var score = searchResult['relevant score'];
			var type = 'uploadedFile';
			if (searchResult.type === 'databases') {
				type = 'module';
			} else if (searchResult.type === 'files') {
				//Handlder for baseModule from uploaded files
				if (searchResult.parentId && searchResult.parentId.length > 0) {
					type = 'uploadedFile';
					searchResult.id = searchResult.parentId;
				} else if (searchResult.href.indexOf('/base_modules') !== -1 && searchResult.href.indexOf('datasets:') === -1) {
					type = 'base_module';
				}
			}

			dataSet = {
				'id': searchResult.id.indexOf('datasets:') === 0 ? searchResult.id.replace('datasets:', '') : searchResult.id,
				'last-modified': searchResult.lastModified,
				'name': searchResult.label,
				'url': DBUtils.prototype.CONSTANTS.METADATA_ENDPOINT_PREFIX + searchResult.id + DBUtils.prototype.CONSTANTS.METADATA_ENDPOINT_POSTFIX,
				'influential': searchResult.proposal.metadataTreeViewFocus.influential,
				'significant': searchResult.proposal.metadataTreeViewFocus.significant,
				'intent': searchResult.proposal.metadataTreeViewFocus.intent,
				'type': type,
				'score': _.isNumber(score) ? score : parseInt(score, 10)
			};
			return {
				'columns': arrColumns,
				'dataSet': dataSet
			};
		});
		return _.sortBy(result, function (o) {
			return o.dataSet.score;
		}).reverse();
	};

	/**
  * Given a datasetID (indentifier), return an object of a proposal
  *
  * @param moserResponse @type {array of Object}
  * @param datasetID @type {String}
  */
	DBUtils.prototype.findDataset = function (moserResponse, datasetID) {
		var results = _.find(moserResponse, function (item) {
			return item.identifier === datasetID;
		});
		return results;
	};

	/**
  * @param {Object} services, dashboard services
  * @return {Promise} that can retrieve the CA global configuration object
  * */
	DBUtils.prototype.getGlobalConfigByName = function (services, params) {
		return this.glassContext.getCoreSvc('.Ajax').ajax(params);
	};

	var _singleton = {
		getInstance: function getInstance() {
			if (!_instance) {
				_instance = new DBUtils();
			}
			return _instance;
		}
	};

	return _singleton.getInstance();
});
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