Feature Tour - Store

FeatureTourStore.js

(function() {
	this.FeatureTourStore = function() {
		var Constants = Yesware.get("FeatureTourConstants");
		var Dispatcher = Yesware.get("EventDispatcher");
		
		var NAMESPACE = "featureTourStore";
		
		var state {
			featureTours: [],
			isLoading: false,
			lastError: null
		};
		
		Dispatcher.on(Constants.GET_FEATURE_TOURS, NAMESPACE, function() {
			state.isLoading = true;
			state.lastError = null;
			triggerChange();
		});
		
		Dispatcher.on(Constants.GET_FEATURE_TOURS_SUCCESS, NAMESPACE, function(featureTours) {
			state.isLoading = false;
			state.featureTours = featureTours;
			triggerChange();
		});

		Dispatcher.on(Constants.GET_FEATURE_TOURS_ERROR, NAMESPACE, function(reason) {
			state.isLoading = false;
			state.lastError = reason;
			triggerChange();
		});
		
		Dispatcher.on(Constants.PUT_FEATURE_TOUR, NAMESPACE, function() {
			state.isLoading = true;
			state.lastError = null;
			triggerChange();
		});
		
		Dispatcher.on(Constants.PUT_FEATURE_TOUR_SUCCESS, NAMESPACE, function(featureTour) {
			state.isLoading = false;
			var index = state.featureTours.findIndex(function(tour) {
				return tour.id === featureTour.id;
			});
			state.featureTours[index] = featureTour;
			triggerChange();
		});

		Dispatcher.on(Constants.PUT_FEATURE_TOUR_ERROR, NAMESPACE, function(reason) {
			state.isLoading = false;
			state.lastError = reason;
			triggerChange();
		});
		
		function triggerChange() {
			Dispatcher.trigger("featureTours::change", state);
		}
		
		Yesware.get("Upgrade").registerCallback(function() {
			Dispatcher.off("featureTours::change", NAMESPACE);
			Object.keys(Constants).forEach(function(key) {
				Dispatcher.off(Constants[key], NAMESPACE);
			});
		});
					
		return {
			onChange: function(callback) {
				Dispatcher.on("featureTours::change", NAMESPACE, function() {
					callback(state);
				});
				callback(state); // initialize with current state on registration
			}
		};
	};
}).apply(Yesware);