analytics/webcontent/bi/js/gemini/dashboard/glass/services/DashboardGlassContext.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: Content Explorer
  *| (C) Copyright IBM Corp. 2018
  *|
  *| US Government Users Restricted Rights - Use, duplication or disclosure
  *| restricted by GSA ADP Schedule Contract with IBM Corp.
  *+------------------------------------------------------------------------+
  */

define([], function () {

	/**
 *  Create a glass context instance that will simulate a dashboard perspective glass context from anywhere.
 *  This class will wrap a given glass context, but adapt certain functions to behave as if we are in a dashboard perspective
 */
	var DashboardGlassContext = function () {
		function DashboardGlassContext(options) {
			_classCallCheck(this, DashboardGlassContext);

			this.model = options.model;
			this.impersonateGlassContext(options.glassContext);
		}

		DashboardGlassContext.prototype.setServices = function setServices(services) {
			this._services = services;
		};

		/**
  * Copy all function and members of the glass context to be part of this instance.
  * If we find the appController, we need to overrider with out own version
  */


		DashboardGlassContext.prototype.impersonateGlassContext = function impersonateGlassContext(glassContext) {
			for (var m in glassContext) {
				if (typeof glassContext[m] === 'function') {
					this[m] = glassContext[m].bind(glassContext);
				} else if (m === 'appController') {
					this[m] = this.impersonateAppController(glassContext[m]);
				} else {
					this[m] = glassContext[m];
				}
			}
		};

		/**
  * Create our own version of the app controller.
  * Copy all functions and memebers of the original appcontroller, but override:
  *  - findCollection  : return dashboard collections available in the dashboard model
  *  - getCurrentContentView : return a call that simulates the dashbord perspective content view
  */


		DashboardGlassContext.prototype.impersonateAppController = function impersonateAppController(appController) {
			var newAppController = {};
			for (var m in appController) {
				if (typeof appController[m] === 'function') {
					if (m === 'findCollection') {
						newAppController[m] = function (id) {
							var _this = this;

							var whenReady = new Promise(function (resolve) {
								var collection = _this.model.collectionContainers.find(function (collection) {
									return collection.id === id;
								});
								resolve(collection ? collection.items : []);
							});

							return whenReady;
						}.bind(this);
					} else if (m === 'getCurrentContentView') {
						newAppController[m] = function () {
							return {
								services: this._services,
								getDashboardApi: function getDashboardApi() {
									return {
										getDashboardInfo: function getDashboardInfo() {
											return { type: 'exploration' };
										}
									};
								}
							};
						}.bind(this);
					} else {
						newAppController[m] = appController[m].bind(appController);
					}
				} else {
					newAppController[m] = appController[m];
				}
			}
			return newAppController;
		};

		return DashboardGlassContext;
	}();

	return DashboardGlassContext;
});
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