analytics/webcontent/bi/js/dashboard-analytics/dataSources/models/synchronizeData/SynchContextHelper.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 Watson Analytics (C) Copyright IBM Corp. 2018, 2019
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 */
define(['underscore', '../../utils/DatasourceUtil'], function (_, DatasourceUtil) {

	var getMetadataColumnsCallback = function getMetadataColumnsCallback() {
		return true;
	};

	var _getProjectedDataItems = function _getProjectedDataItems(dataSlots) {
		var itemIds = [];
		dataSlots.forEach(function (slotAPI) {
			var slotDataItems = slotAPI.getDataItemList() || [];
			slotDataItems.forEach(function (dataItemAPI) {
				itemIds.push(dataItemAPI.getColumnId());
			});
		});
		return itemIds;
	};

	//Collect only the hierarchies that are in the same tables
	var _isSameTable = function _isSameTable(tableNames, column) {
		var colTableName = column.getTableName();
		for (var _iterator = tableNames, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
			var _ref;

			if (_isArray) {
				if (_i >= _iterator.length) break;
				_ref = _iterator[_i++];
			} else {
				_i = _iterator.next();
				if (_i.done) break;
				_ref = _i.value;
			}

			var name = _ref;

			if (colTableName === name) {
				return true;
			}
		}
		return false;
	};

	var _retrieveItems = function _retrieveItems(metadaColumns, nonProjectedItems, matchById, tableNames) {
		var result = [];
		nonProjectedItems.forEach(function (value) {
			for (var _iterator2 = metadaColumns, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
				var _ref2;

				if (_isArray2) {
					if (_i2 >= _iterator2.length) break;
					_ref2 = _iterator2[_i2++];
				} else {
					_i2 = _iterator2.next();
					if (_i2.done) break;
					_ref2 = _i2.value;
				}

				var column = _ref2;

				var columnName = column.getLabel().toLocaleLowerCase();
				if (matchById && column.getId() === value) {
					result.push(columnName);
					break;
				} else if (!matchById && columnName === value && _isSameTable(tableNames, column)) {
					result.push(column.getId());
					break;
				}
			}
		});
		return _.uniq(result);
	};

	var _getColumnNames = function _getColumnNames(sourceModule, targetModule, tableNames, searchItemIds) {
		var columnNames = _retrieveItems(sourceModule.getMetadataColumns(getMetadataColumnsCallback), searchItemIds, true, tableNames);
		if (columnNames.length === 0) {
			//The item ids might be in the target module so check it here
			//This case occur when there are multiple viz in same module involve where one vis does not have a projected item but other vis does have the projected item. So
			//depends on who gets to process first, it can get here.
			columnNames = _retrieveItems(targetModule.getMetadataColumns(getMetadataColumnsCallback), searchItemIds, true, tableNames);
		}
		return columnNames;
	};

	var SynchSlotDataItemAPI = function () {
		function SynchSlotDataItemAPI() {
			var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

			_classCallCheck(this, SynchSlotDataItemAPI);

			this.itemId = options.itemId;
		}

		SynchSlotDataItemAPI.prototype.getColumnId = function getColumnId() {
			return this.itemId;
		};

		return SynchSlotDataItemAPI;
	}();

	var SynchSlotAPI = function () {
		function SynchSlotAPI() {
			var _this = this;

			var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

			_classCallCheck(this, SynchSlotAPI);

			this.generateDataItemIds(options.itemIds);
			return {
				getDataItemList: function getDataItemList() {
					return _this.dataItemAPIs;
				}
			};
		}

		SynchSlotAPI.prototype.generateDataItemIds = function generateDataItemIds() {
			var _this2 = this;

			var itemIds = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];

			this.dataItemAPIs = [];
			itemIds.forEach(function (itemId) {
				_this2.dataItemAPIs.push(new SynchSlotDataItemAPI({ itemId: itemId }));
			});
		};

		return SynchSlotAPI;
	}();

	/**
 * Wrapper class representing a visualization's project items
 */


	var SynchProjectedItem = function () {
		function SynchProjectedItem(module, item) {
			_classCallCheck(this, SynchProjectedItem);

			if (!item) {
				throw new Error('item object is not provided.');
			}

			this.item = item;
			this.module = module;

			return {
				getLabel: this.getLabel.bind(this),
				getItemId: this.getItemId.bind(this),
				getId: this.getItemId.bind(this),
				getTableName: this.getTableName.bind(this)
			};
		}

		SynchProjectedItem.prototype.getLabel = function getLabel() {
			return this.item.itemLabel || this.item.getLabel();
		};

		SynchProjectedItem.prototype.getItemId = function getItemId() {
			return this.item.itemId || this.item.getItemId();
		};

		SynchProjectedItem.prototype.getTableName = function getTableName() {
			var metadataColumn = this.module.getMetadataColumn(this.getItemId());
			return metadataColumn ? metadataColumn.getTableName() : undefined;
		};

		return SynchProjectedItem;
	}();

	/**
 * This class represents a synchronize context entry use for both page context origin [visualization | filter] types
 */


	var SynchContext = function () {
		function SynchContext() {
			var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

			_classCallCheck(this, SynchContext);

			if (!options.fromObject) {
				throw new Error('fromObject is not provided.');
			}

			this.fromObject = options.fromObject;
			this.module = options.module;
			this.synchDataEntry = options.synchDataEntry;
			this.projectedItems = SynchContextHelper.createSynchProjectedItems(this.module, options.projectedItems);
			this.ownerWidget = options.ownerWidget;
			this.widgetIds = [options.widgetId];
			this.getTableRef();
		}

		SynchContext.prototype.getAPI = function getAPI() {
			if (!this.api) {
				this.api = {
					getSourceId: this.getSourceId.bind(this),
					getEventGroupId: this.getEventGroupId.bind(this),
					getEventSourceId: this.getEventSourceId.bind(this),
					getTableRef: this.getTableRef.bind(this),
					getOrigin: this.getOrigin.bind(this),
					getModule: this.getModule.bind(this),
					setModule: this.setModule.bind(this),
					getSynchDataEntry: this.getSynchDataEntry.bind(this),
					getProjectedItems: this.getProjectedItems.bind(this),
					setProjectedItems: this.setProjectedItems.bind(this),
					haveJoinedTables: this.haveJoinedTables.bind(this),

					getSynchronizeItemId: this.synchDataEntry.getSynchronizeItemId.bind(this.synchDataEntry),
					getSynchronizeItems: this.synchDataEntry.getSynchronizeItems.bind(this.synchDataEntry),
					addSynchronizeItem: this.synchDataEntry.addSynchronizeItem.bind(this.synchDataEntry),
					toJSON: this.synchDataEntry.toJSON.bind(this.synchDataEntry),
					getWidgetIds: this.getWidgetIds.bind(this)
				};
			}

			return this.api;
		};

		SynchContext.prototype.getSourceId = function getSourceId() {
			return this.fromObject.getSourceId();
		};

		SynchContext.prototype.getEventGroupId = function getEventGroupId() {
			return this.fromObject.getEventGroupId();
		};

		SynchContext.prototype.getEventSourceId = function getEventSourceId() {
			return this.fromObject.getEventSourceId();
		};

		SynchContext.prototype.getTableRef = function getTableRef() {
			this.tableRef = this.tableRef || (this.fromObject.getTableRef ? this.fromObject.getTableRef() : DatasourceUtil.getTableRef(this.module, this.projectedItems.map(function (item) {
				return item.getItemId();
			})));
			return this.tableRef;
		};

		SynchContext.prototype.getOrigin = function getOrigin() {
			return this.fromObject.getOrigin();
		};

		SynchContext.prototype.getModule = function getModule() {
			return this.module;
		};

		SynchContext.prototype.setModule = function setModule(module) {
			this.module = module;
		};

		SynchContext.prototype.getSynchDataEntry = function getSynchDataEntry() {
			return this.synchDataEntry;
		};

		SynchContext.prototype.setSynchDataEntry = function setSynchDataEntry(value) {
			this.synchDataEntry = value;
		};

		/**
   * todo: livewidget_cleanup: we should remove this since it is still using 
   * deprecated visAPI.getdataSlots
   */


		SynchContext.prototype.getProjectedItems = function getProjectedItems() {
			if (this.projectedItems) {
				return this.projectedItems;
			} else if (this.visAPI) {
				this.projectedItems = this.visAPI.getDataSlots();
			}
			return this.projectedItems;
		};

		/**
   * todo: livewidget_cleanup: we should remove this since it is still using 
   * deprecated visAPI
   */


		SynchContext.prototype.setProjectedItems = function setProjectedItems() {
			var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];

			this.projectedItems = items;
		};

		SynchContext.prototype.mergeProjectedItems = function mergeProjectedItems(contextEntry) {
			var _this3 = this;

			var itemsToMerge = contextEntry.getProjectedItems();
			this.projectedItems = this.projectedItems || [];
			itemsToMerge.forEach(function (itemToMerge) {
				var exist = _.find(_this3.projectedItems, function (item) {
					return itemToMerge.getItemId() === item.getItemId();
				});
				if (!exist) {
					_this3.projectedItems.push(itemToMerge);
				}
			});

			this.tableRef = _.uniq(this.getTableRef().concat(contextEntry.getTableRef()));
		};

		SynchContext.prototype.haveJoinedTables = function haveJoinedTables(synchContextToVerify) {
			return SynchContextHelper.haveJoinedTables(this, synchContextToVerify);
		};

		SynchContext.prototype.getTableNames = function getTableNames() {
			return this.module.getTableNames();
		};

		SynchContext.prototype.addWidgetId = function addWidgetId(id) {
			if (this.widgetIds.indexOf(id) === -1) {
				this.widgetIds.push(id);
			}
		};

		SynchContext.prototype.getWidgetIds = function getWidgetIds() {
			return this.widgetIds;
		};

		return SynchContext;
	}();

	var SynchContextHelper = function () {
		function SynchContextHelper() {
			_classCallCheck(this, SynchContextHelper);
		}

		SynchContextHelper.createNewSynchContext = function createNewSynchContext() {
			var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

			return DatasourceUtil.isSupportedNonJoinTableDatascourceType(options.module, options.projectedItems ? options.projectedItems.map(function (item) {
				return item.getItemId();
			}) : null) ? new SynchContext(options) : null;
		};

		SynchContextHelper.getNetSlotsToClearBrushing = function getNetSlotsToClearBrushing() {
			var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

			var sourceModule = options.sourceModule;
			var targetModule = options.targetModule;
			var dataSlots = options.dataSlots || [];
			var tableNames = options.tableNames || [];
			var pageContext = options.pageContext;
			var selector = options.selector;
			var itemIds = options.itemIds || [];
			var newSelectionIsEmpty = options.newSelectionIsEmpty;
			var newSectionFromSource = options.newSectionFromSource;

			var projectedItemIds = _getProjectedDataItems(dataSlots);
			var nonProjectedItems = _.difference(itemIds, projectedItemIds);
			var selectionFromProjectedItems = nonProjectedItems.length === 0;

			if (selectionFromProjectedItems && !newSectionFromSource) {
				return dataSlots;
			}

			var netPageContext = pageContext.getNetPageContext(selector);
			//Gather all brushed hierarchies
			var potentialItemIds = [];
			netPageContext.forEach(function (entry) {
				potentialItemIds = potentialItemIds.concat(_.pluck(entry.hierarchies, 'hierarchyUniqueName'));
			});

			var columnNames = _getColumnNames(sourceModule, targetModule, tableNames, newSelectionIsEmpty ? potentialItemIds : itemIds);
			nonProjectedItems = _retrieveItems(targetModule.getMetadataColumns(getMetadataColumnsCallback), columnNames, false, tableNames);

			if (newSelectionIsEmpty) {
				var slotsToClear = _.clone(dataSlots);
				if (nonProjectedItems.length > 0) {
					slotsToClear.push(new SynchSlotAPI({ itemIds: nonProjectedItems }));
				}
				return slotsToClear;
			} else {
				//Get a list of column names
				return nonProjectedItems.length === 0 ? [] : [new SynchSlotAPI({ itemIds: nonProjectedItems })];
			}
		};

		SynchContextHelper.getKey = function getKey(sourceId, tableRef) {
			return sourceId + (tableRef ? tableRef.join('_') : '');
		};

		SynchContextHelper.haveJoinedTables = function haveJoinedTables(firstSynchContext, secondSynchContext) {
			if (firstSynchContext.getSourceId() !== secondSynchContext.getSourceId()) {
				//Different data sources do not have joint table relationships
				return false;
			}

			var module = firstSynchContext.getModule();
			var tableNames = firstSynchContext.getTableRef();
			var otherTableNames = secondSynchContext.getTableRef();

			return DatasourceUtil.haveTableJoinsInSameDataSource(module, tableNames, otherTableNames);
		};

		SynchContextHelper.createSynchProjectedItems = function createSynchProjectedItems(module) {
			var projectedItems = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];

			var results = [];
			if (module) {
				projectedItems.forEach(function (item) {
					if (!DatasourceUtil.isMultiMeasuresSeriesOrValue(item.getItemId())) {
						results.push(new SynchProjectedItem(module, item));
					}
				});
			}
			return results;
		};

		SynchContextHelper.replaceUseValue = function replaceUseValue(column, value) {
			var regex = new RegExp('([^->].*)(->.*)');
			if (regex.test(value.u)) {
				value.u = value.u.replace(regex, column.getId() + '$2');
				return true;
			}
		};

		return SynchContextHelper;
	}();

	return SynchContextHelper;
});
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