Initial full working version of library

.babelrc

+{
+	"presets": [
+		[
+			"env",
+			{
+				"targets": {
+					"node": "current"
+				}
+			}
+		]
+	],
+	"plugins": ["transform-object-rest-spread"]
+}

.gitignore

+# Project specifics
+test*
+
+# https://github.com/github/gitignore
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# next.js build output
+.next
\ No newline at end of file

dist/callGamma.js

+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+
+var _soapAsPromised = require("soap-as-promised");
+
+var _soapAsPromised2 = _interopRequireDefault(_soapAsPromised);
+
+var _util = require("./util");
+
+var _config = require("./config");
+
+var _config2 = _interopRequireDefault(_config);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const callGamma = async (methodSpecs, callParamsObject) => {
+	try {
+		const endpoint = _config2.default.endpoints[methodSpecs.endpoint];
+		const client = await _soapAsPromised2.default.createClient(endpoint);
+		const callDetails = (0, _util.getXml)(callParamsObject, methodSpecs);
+		_config2.default.debug(callDetails);
+
+		const rawResponse = await client.ReceiveData({ value: callDetails });
+		_config2.default.debug(rawResponse.ReceiveDataResult);
+
+		const response = (0, _util.parseResponse)(rawResponse, methodSpecs);
+		_config2.default.debug(JSON.stringify(response, null, 2));
+
+		if (response.hasOwnProperty("Message")) throw new ReferenceError(response.Message);
+		return response;
+	} catch (error) {
+		throw new Error(`The response from the Gamma server could not be parsed correctly. The error was "${error}"`);
+	}
+};
+
+exports.default = callGamma;
\ No newline at end of file

dist/config.js

+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+
+var _debug = require("debug");
+
+var _debug2 = _interopRequireDefault(_debug);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const liveEndpoint = "https://gscticketserver.gsc.org.uk:5729/GDXMLWebService/GDXMLWebService.asmx?WSDL";
+const testEndpoint = "https://gscticketserver.gsc.org.uk:5729/GDXMLWebServiceTEST/GDXMLWebService.asmx?WSDL";
+
+const activeEndpoint = process.env.GAMMA_ENV === "live" ? liveEndpoint : testEndpoint;
+
+const config = {
+	endpoints: {
+		reservation: activeEndpoint,
+		bookings: activeEndpoint,
+		availability: activeEndpoint,
+		membership: activeEndpoint
+	},
+	debug: (0, _debug2.default)("gammajs")
+};
+exports.default = config;
\ No newline at end of file

dist/index.js

+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.gammaModifiedMembers = exports.gammaMembershipSubscriptionsLoad = exports.gammaMembershipCancellation = exports.gammaMembershipPurchase = exports.gammaChangeMemberDetails = exports.gammaCancelSeats = exports.gammaReserveXTSeats = exports.gammaCancelBookAvailableSpaces = exports.gammaBookAvailableSpacesRequest = exports.gammaUpdateBookingStatus = exports.gammaUpdateBooking = exports.gammaSaveCustomerDetails = exports.gammaRemoveContactInterests = exports.gammaCancelBookingRequest = exports.gammaBookingAllSave = exports.gammaAmendBooking = exports.gammaVoucherListLoad = exports.gammaVoucherDiscountCheck = exports.gammaViewResourcesLoad = exports.gammaResourceViewListLoad = exports.gammaResourceListLoad = exports.gammaResourceListByViewLoad = exports.gammaResourceListByViewByDateLoad = exports.gammaResourceDatesListLoad = exports.gammaRedeemedBookings = exports.gammaProductMapListLoad = exports.gammaProductListLoad = exports.gammaGetTourList = exports.gammaGetBookingStatusList = exports.gammaGetBookingHistory = exports.gammaEventsOnlyListLoad = exports.gammaEventListLoad = exports.gammaEventEditList = exports.gammaCustomerLoad = exports.gammaContactInterests = exports.gammaBookingStatusUpdateCheck = exports.gammaBookingETicketExportRequest = exports.gammaAllContactInterests = undefined;
+
+var _methods = require("./methods");
+
+var _methods2 = _interopRequireDefault(_methods);
+
+var _callGamma = require("./callGamma");
+
+var _callGamma2 = _interopRequireDefault(_callGamma);
+
+var _config = require("./config");
+
+var _config2 = _interopRequireDefault(_config);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+// Individual exports
+
+const create = methodName => {
+	const methodSpecArray = _methods2.default.filter(methodObject => methodObject.name === methodName);
+	if (methodSpecArray.length !== 1) {
+		throw new ReferenceError(`Cannot uniquely determine a Gamma method called ${methodName}`);
+	}
+	const methodSpecObject = methodSpecArray[0];
+	return (callParams = {}) => {
+		_config2.default.debug(`Method called: ${JSON.stringify(methodSpecObject)}`);
+		return (0, _callGamma2.default)(methodSpecObject, callParams);
+	};
+};
+
+// Availability methods
+const gammaAllContactInterests = exports.gammaAllContactInterests = create("AllContactInterests");
+const gammaBookingETicketExportRequest = exports.gammaBookingETicketExportRequest = create("BookingETicketExportRequest");
+const gammaBookingStatusUpdateCheck = exports.gammaBookingStatusUpdateCheck = create("BookingStatusUpdateCheck");
+const gammaContactInterests = exports.gammaContactInterests = create("ContactInterests");
+const gammaCustomerLoad = exports.gammaCustomerLoad = create("CustomerLoad");
+const gammaEventEditList = exports.gammaEventEditList = create("EventEditList");
+const gammaEventListLoad = exports.gammaEventListLoad = create("EventListLoad");
+const gammaEventsOnlyListLoad = exports.gammaEventsOnlyListLoad = create("EventsOnlyListLoad");
+const gammaGetBookingHistory = exports.gammaGetBookingHistory = create("GetBookingHistory");
+const gammaGetBookingStatusList = exports.gammaGetBookingStatusList = create("GetBookingStatusList");
+const gammaGetTourList = exports.gammaGetTourList = create("GetTourList");
+const gammaProductListLoad = exports.gammaProductListLoad = create("ProductListLoad");
+const gammaProductMapListLoad = exports.gammaProductMapListLoad = create("ProductMapListLoad");
+const gammaRedeemedBookings = exports.gammaRedeemedBookings = create("RedeemedBookings");
+const gammaResourceDatesListLoad = exports.gammaResourceDatesListLoad = create("ResourceDatesListLoad");
+const gammaResourceListByViewByDateLoad = exports.gammaResourceListByViewByDateLoad = create("ResourceListByViewByDateLoad");
+const gammaResourceListByViewLoad = exports.gammaResourceListByViewLoad = create("ResourceListByViewLoad");
+const gammaResourceListLoad = exports.gammaResourceListLoad = create("ResourceListLoad");
+const gammaResourceViewListLoad = exports.gammaResourceViewListLoad = create("ResourceViewListLoad");
+const gammaViewResourcesLoad = exports.gammaViewResourcesLoad = create("ViewResourcesLoad");
+const gammaVoucherDiscountCheck = exports.gammaVoucherDiscountCheck = create("VoucherDiscountCheck");
+const gammaVoucherListLoad = exports.gammaVoucherListLoad = create("VoucherListLoad");
+// These methods seem to be unsupported by the Gamma API (based on testing in May 2018).
+// They are not made available individually here, to discourage their use.
+//export const gammaResourceDatesNotAvailable = create("ResourceDatesNotAvailable");
+//export const gammaResourceListByViewByDateLoadLight = create("ResourceListByViewByDateLoadLight");
+
+// Bookings methods
+const gammaAmendBooking = exports.gammaAmendBooking = create("AmendBooking");
+const gammaBookingAllSave = exports.gammaBookingAllSave = create("BookingAllSave");
+const gammaCancelBookingRequest = exports.gammaCancelBookingRequest = create("CancelBookingRequest");
+const gammaRemoveContactInterests = exports.gammaRemoveContactInterests = create("RemoveContactInterests");
+const gammaSaveCustomerDetails = exports.gammaSaveCustomerDetails = create("SaveCustomerDetails");
+const gammaUpdateBooking = exports.gammaUpdateBooking = create("UpdateBooking");
+const gammaUpdateBookingStatus = exports.gammaUpdateBookingStatus = create("UpdateBookingStatus");
+
+// Reservation methods
+const gammaBookAvailableSpacesRequest = exports.gammaBookAvailableSpacesRequest = create("BookAvailableSpacesRequest");
+const gammaCancelBookAvailableSpaces = exports.gammaCancelBookAvailableSpaces = create("CancelBookAvailableSpaces");
+const gammaReserveXTSeats = exports.gammaReserveXTSeats = create("ReserveXTSeats");
+const gammaCancelSeats = exports.gammaCancelSeats = create("CancelSeats");
+
+// Membership methods
+const gammaChangeMemberDetails = exports.gammaChangeMemberDetails = create("ChangeMemberDetails");
+const gammaMembershipPurchase = exports.gammaMembershipPurchase = create("MembershipPurchase");
+const gammaMembershipCancellation = exports.gammaMembershipCancellation = create("MembershipCancellation");
+const gammaMembershipSubscriptionsLoad = exports.gammaMembershipSubscriptionsLoad = create("MembershipSubscriptionsLoad");
+const gammaModifiedMembers = exports.gammaModifiedMembers = create("ModifiedMembers");
\ No newline at end of file

dist/methods/availability-methods.js

+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+const availabilityMethods = [{
+	name: "AllContactInterests",
+	type: "XMLAllContactInterestRequest",
+	responseWrapper: "XMLAllContactInterestsResponse",
+	returnType: false,
+	endpoint: "availability",
+	inputFormat: {}
+}, {
+	name: "BookingETicketExportRequest",
+	type: "XMLBookingETicketExportRequest",
+	responseWrapper: "BookingTicketExportList",
+	returnType: "BookingticketList",
+	endpoint: "availability",
+	inputFormat: {
+		BookedDate: "Mandatory"
+	}
+}, {
+	name: "BookingStatusUpdateCheck",
+	type: "XMLBookingStatusUpdateCheckRequest",
+	responseWrapper: "XMLBookingStatusUpdateCheckResponse",
+	returnType: false,
+	endpoint: "availability",
+	inputFormat: {
+		CheckDate: "Mandatory"
+	}
+}, {
+	name: "ContactInterests",
+	type: "XMLContactInterestRequest",
+	responseWrapper: "XMLContactInterestsResponse",
+	returnType: false,
+	endpoint: "availability",
+	inputFormat: {
+		myContactID: "Mandatory"
+	}
+}, {
+	name: "CustomerLoad",
+	type: "XMLCustomerRequest",
+	responseWrapper: "XMLCustomer",
+	returnType: false,
+	endpoint: "availability",
+	inputFormat: {
+		ID: "Optional",
+		Email: "Recommended",
+		Postcode: "Recommended",
+		Lastname: "Recommended",
+		Password: "Optional",
+		MemberNumber: "Optional"
+	}
+}, {
+	name: "EventEditList",
+	type: "XMLEventRequest",
+	responseWrapper: "ResourceList",
+	returnType: "ResList",
+	endpoint: "availability",
+	inputFormat: {
+		ResView: "Mandatory",
+		RangeStartDate: "Recommended",
+		RangeEndDate: "Recommended"
+	}
+}, {
+	name: "EventListLoad",
+	type: "XMLEventRequest",
+	responseWrapper: "ResourceList",
+	returnType: "ResList",
+	endpoint: "availability",
+	inputFormat: {
+		ResViewID: "Mandatory",
+		RangeStartDate: "Recommended",
+		RangeEndDate: "Recommended"
+	}
+}, {
+	name: "EventsOnlyListLoad",
+	type: "XMLEventsOnlyRequest",
+	responseWrapper: "ResourceList",
+	returnType: "ResList",
+	endpoint: "availability",
+	inputFormat: {
+		RangeStartDate: "Recommended",
+		RangeEndDate: "Recommended",
+		ResView: "Recommended",
+		EventCode: "Optional",
+		ShowProductMap: "Optional"
+	}
+}, {
+	name: "GetBookingHistory",
+	type: "XMLGetBookingHistoryRequest",
+	responseWrapper: "XMLGetBookingHistoryResponse",
+	returnType: false,
+	endpoint: "availability",
+	inputFormat: {
+		CustomerCode: "Mandatory",
+		VisitStartDate: "Recommended",
+		VisitEndDate: "Recommended",
+		Source: "Optional",
+		Status: "Optional"
+	}
+}, {
+	name: "GetBookingStatusList",
+	type: "XMLGetBookingStatusListRequest",
+	responseWrapper: "XMLGetBookingStatusListResponse",
+	returnType: false,
+	endpoint: "availability",
+	inputFormat: {}
+}, {
+	name: "GetTourList",
+	type: "XMLTourListRequest",
+	responseWrapper: "XMLTourListResponse",
+	returnType: false,
+	endpoint: "availability",
+	inputFormat: {
+		TourCode: "Mandatory"
+	}
+}, {
+	name: "ProductListLoad",
+	type: "XMLProductRequest",
+	responseWrapper: "ProductList",
+	returnType: "ProductList",
+	endpoint: "availability",
+	inputFormat: {
+		CategoryCode: "Mandatory",
+		ProdCode: "Optional",
+		ProductTitle: "Optional",
+		VisitDate: "Optional",
+		RequestImages: "Optional",
+		CustomerCode: "Optional"
+	}
+}, {
+	name: "ProductMapListLoad",
+	type: "XMLProductMapRequest",
+	responseWrapper: "XMLProductMaps",
+	returnType: "ProductMapList",
+	endpoint: "availability",
+	inputFormat: {
+		MapID: "Optional"
+	}
+}, {
+	name: "RedeemedBookings",
+	type: "XMLRedeemedBookingsRequest",
+	responseWrapper: "XMLRedeemedBookingsResponse",
+	returnType: false,
+	endpoint: "availability",
+	inputFormat: {
+		RangeStartDate: "Mandatory",
+		RangeEndDate: "Mandatory",
+		ResView: "Mandatory"
+	}
+}, {
+	name: "ResourceDatesListLoad",
+	type: "XMLResourceDatesRequest",
+	responseWrapper: "XMLResourceDatesResponse",
+	returnType: "DateList",
+	endpoint: "availability",
+	inputFormat: {
+		RangeStartDate: "Mandatory",
+		RangeEndDate: "Mandatory",
+		EventCode: "Mandatory"
+	}
+}, {
+	name: "ResourceDatesNotAvailable",
+	// UNSUPPORTED?
+	type: "XMLResourceDatesNotAvailableRequest",
+	responseWrapper: "DateList",
+	returnType: "DateList",
+	endpoint: "availability",
+	inputFormat: {
+		ResStartDate: "Mandatory",
+		ResEndDate: "Mandatory",
+		ResViewID: "Recommended",
+		EventCode: "Optional",
+		Visitors: "Optional"
+	}
+}, {
+	name: "ResourceListByViewByDateLoad",
+	type: "XMLResourceByViewRangeRequest",
+	responseWrapper: "ResourceList",
+	returnType: "ResList",
+	endpoint: "availability",
+	inputFormat: {
+		ResStartDate: "Mandatory",
+		ResEndDate: "Mandatory",
+		ResCode: "Optional",
+		ResView: "Mandatory",
+		EventCode: "Optional",
+		ShowProductMap: "Optional"
+	}
+}, {
+	name: "ResourceListByViewByDateLoadLight",
+	// UNSUPPORTED?
+	type: "XMLResourceByViewLightRequest",
+	responseWrapper: "DateList",
+	returnType: "DateList",
+	endpoint: "availability",
+	inputFormat: {
+		ResSelectedDate: "Mandatory",
+		ResViewID: "Mandatory",
+		EventCode: "Optional",
+		Visitors: "Optional",
+		ShowProductMap: "Optional"
+	}
+}, {
+	name: "ResourceListByViewLoad",
+	type: "XMLResourceByViewRequest",
+	responseWrapper: "ResourceList",
+	returnType: "ResList",
+	endpoint: "availability",
+	inputFormat: {
+		ResDate: "Recommended",
+		ResCode: "Optional",
+		ResView: "Mandatory",
+		ShowProductMap: "Optional"
+	}
+}, {
+	name: "ResourceListLoad",
+	type: "XMLResourceRequest",
+	responseWrapper: "ResourceList",
+	returnType: "ResList",
+	endpoint: "availability",
+	inputFormat: {
+		ResDate: "Recommended",
+		ResCode: "Optional",
+		ShowProductMap: "Optional"
+	}
+}, {
+	name: "ResourceViewListLoad",
+	type: "XMLResourceViewsRequest",
+	responseWrapper: "XMLResourceViews",
+	returnType: "ResourceViewList",
+	endpoint: "availability",
+	inputFormat: {
+		ResID: "Optional"
+	}
+}, {
+	name: "ViewResourcesLoad",
+	type: "XMLViewResources",
+	responseWrapper: "ResourceList",
+	returnType: "ResList",
+	endpoint: "availability",
+	inputFormat: {
+		ResView: "Mandatory",
+		ShowProductMap: "Optional"
+	}
+}, {
+	name: "VoucherDiscountCheck",
+	type: "XMLVoucherDiscountCheck",
+	responseWrapper: "XMLVoucherDiscountCheckResponse",
+	returnType: false,
+	endpoint: "availability",
+	inputFormat: {
+		VoucherCode: "Mandatory",
+		Products: "SEE DOCS",
+		VoucherVisitDate: "Optional"
+	}
+}, {
+	name: "VoucherListLoad",
+	type: "XMLVoucherListRequest",
+	responseWrapper: "VoucherList",
+	returnType: "VoucherList",
+	endpoint: "availability",
+	inputFormat: {
+		VouchCode: "Optional"
+	}
+}];
+
+exports.default = availabilityMethods;
\ No newline at end of file

dist/methods/bookings-methods.js

+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+const bookingsMethods = [{
+	name: "AmendBooking",
+	type: "XMLAmendBookingRequest",
+	responseWrapper: "XMLAmendBookingResponse",
+	returnType: false,
+	endpoint: "bookings",
+	inputFormat: {
+		BookingList: {
+			Bookings: "SEE DOCS",
+			PaymentItem: "SEE DOCS"
+		}
+	}
+}, {
+	name: "BookingAllSave",
+	type: "BookingList",
+	responseWrapper: "XMLSaveBookResponseList",
+	returnType: "SavedBookingList",
+	endpoint: "bookings",
+	inputFormat: {
+		Bookings: "SEE DOCS",
+		PaymentItem: "SEE DOCS"
+	}
+}, {
+	name: "CancelBookingRequest",
+	type: "XMLCancelBookingRequest",
+	responseWrapper: "XMLCancelBookingResponse",
+	returnType: false,
+	endpoint: "bookings",
+	inputFormat: {
+		BookingRef: "Mandatory",
+		mPayment: "SEE DOCS"
+	}
+}, {
+	name: "RemoveContactInterests",
+	type: "XMLRemoveContactInterestRequest",
+	responseWrapper: "XMLRemoveContactInterestResponse",
+	returnType: false,
+	endpoint: "bookings",
+	inputFormat: {
+		ContactID: "Mandatory",
+		Interests: "SEE DOCS"
+	}
+}, {
+	name: "SaveCustomerDetails",
+	type: "Customer",
+	responseWrapper: "XMLCustomer",
+	returnType: false,
+	endpoint: "bookings",
+	inputFormat: {
+		Email: "Mandatory",
+		CCODE: "Optional",
+		Title: "Recommended",
+		First: "Mandatory",
+		Middle: "Optional",
+		Last: "Mandatory",
+		HouseNo: "Recommended",
+		Add1: "Recommended",
+		Add2: "Optional",
+		Add3: "Optional",
+		Add4: "Optional",
+		City: "Recommended",
+		County: "Recommended",
+		PCode: "Recommended",
+		Country: "Recommended",
+		TelNo: "Recommended",
+		EvTelNo: "Optional",
+		MailingList: "Optional",
+		Password: "Recommended",
+		ConsentMail: "Mandatory",
+		ConsentPhone: "Mandatory",
+		ConsentSMS: "Mandatory",
+		ConsentEmail: "Mandatory"
+	}
+}, {
+	name: "UpdateBooking",
+	type: "XMLUpdateBookingRequest",
+	responseWrapper: "XMLUpdateBookingResponse",
+	returnType: false,
+	endpoint: "bookings",
+	inputFormat: {
+		BookingRef: "Mandatory",
+		Customer: "SEE DOCS",
+		Products: "SEE DOCS",
+		UDFList: "SEE DOCS",
+		PaymentItem: "SEE DOCS"
+	}
+}, {
+	name: "UpdateBookingStatus",
+	type: "XMLUpdateBookingStatusRequest",
+	responseWrapper: "XMLUpdateBookingStatusResponse",
+	returnType: false,
+	endpoint: "bookings",
+	inputFormat: {
+		BookingRef: "Mandatory",
+		BookingStatus: {
+			ID: "Mandatory",
+			BookingStatus: "Recommended"
+		}
+	}
+}];
+
+exports.default = bookingsMethods;
\ No newline at end of file

dist/methods/index.js

+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _reservationMethods = require("./reservation-methods");
+
+var _reservationMethods2 = _interopRequireDefault(_reservationMethods);
+
+var _bookingsMethods = require("./bookings-methods");
+
+var _bookingsMethods2 = _interopRequireDefault(_bookingsMethods);
+
+var _availabilityMethods = require("./availability-methods");
+
+var _availabilityMethods2 = _interopRequireDefault(_availabilityMethods);
+
+var _membershipMethods = require("./membership-methods");
+
+var _membershipMethods2 = _interopRequireDefault(_membershipMethods);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const gammaMethods = [..._reservationMethods2.default, ..._bookingsMethods2.default, ..._availabilityMethods2.default, ..._membershipMethods2.default];
+exports.default = gammaMethods;
\ No newline at end of file

dist/methods/membership-methods.js

+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+const membershipMethods = [{
+	// Change Member Details (Batch)
+	name: "ChangeMemberDetails",
+	type: "XMLChangeMemberDetailsRequest",
+	responseWrapper: "XMLChangeMemberDetailsResponse",
+	returnType: false,
+	endpoint: "membership",
+	inputFormat: {
+		Members: "SEE DOCS"
+	}
+}, {
+	// Create Membership / Update Membership
+	name: "MembershipPurchase",
+	type: "XMLMembershipPurchaseRequest",
+	responseWrapper: "XMLMembershipPurchaseResponse",
+	returnType: false,
+	endpoint: "membership",
+	inputFormat: {
+		MemberNumber: "Mandatory",
+		GiftAid: "Mandatory",
+		Customer: "SEE DOCS",
+		Products: "SEE DOCS",
+		Joints: "SEE DOCS",
+		PaymentItem: "SEE DOCS"
+	}
+}, {
+	name: "MembershipCancellation",
+	type: "XMLMembershipCancellationRequest",
+	responseWrapper: "XMLMembershipCancellationResponse",
+	returnType: false,
+	endpoint: "membership",
+	inputFormat: {
+		MembershipNumber: "Recommended",
+		PersonRef: "Recommended",
+		MembershipType: "Recommended",
+		MemberName: "Optional",
+		Joints: "SEE DOCS"
+	}
+}, {
+	// Membership Load
+	name: "MembershipSubscriptionsLoad",
+	type: "XMLMemberRequest",
+	responseWrapper: "MembershipList",
+	returnType: "MembershipList",
+	endpoint: "membership",
+	inputFormat: {
+		Email: "Recommended",
+		MemberNumber: "Recommended",
+		ID: "Recommended"
+	}
+}, {
+	name: "ModifiedMembers",
+	type: "XMLModifiedMembersRequest",
+	responseWrapper: "XMLModifiedMembersResponse",
+	returnType: false,
+	endpoint: "membership",
+	inputFormat: {
+		StartDate: "Mandatory",
+		EndDate: "Mandatory"
+	}
+}];
+
+exports.default = membershipMethods;
\ No newline at end of file

dist/methods/reservation-methods.js

+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+const reservationMethods = [{
+	name: "BookAvailableSpacesRequest",
+	type: "XMLBookAvailableSpacesRequest",
+	responseWrapper: "XMLBookAvailableSpacesResponse",
+	returnType: false,
+	endpoint: "reservation",
+	inputFormat: {
+		VisitDate: "Mandatory",
+		ResID: "Mandatory",
+		SessionID: "Mandatory",
+		VisitorQty: "Mandatory"
+	}
+}, {
+	name: "CancelBookAvailableSpaces",
+	type: "XMLCancelBookAvailableSpacesRequest",
+	responseWrapper: "XMLItemSaveResponse",
+	returnType: false,
+	endpoint: "reservation",
+	inputFormat: {
+		ID: "Mandatory",
+		ResID: "Optional",
+		VisitDate: "Optional",
+		VisitorQty: "Optional"
+	}
+}, {
+	name: "ReserveXTSeats",
+	type: "XMLXTSeatReserveRequest",
+	responseWrapper: "XMLXTSeatReserveResponse",
+	returnType: false,
+	endpoint: "reservation",
+	inputFormat: {
+		Seats: "SEE DOCS",
+		EventResID: "Mandatory"
+	}
+}, {
+	name: "CancelSeats",
+	type: "XMLCancelSeatRequest",
+	responseWrapper: "XMLCancelSeatResponse",
+	returnType: false,
+	endpoint: "reservation",
+	inputFormat: {
+		Seats: "SEE DOCS"
+	}
+}];
+
+exports.default = reservationMethods;
\ No newline at end of file

dist/util.js

+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+	value: true
+});
+exports.parseResponse = exports.getXml = undefined;
+
+var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; // Utility parsing and wrapping functions for calls to Gamma
+
+
+var _xmlJs = require("xml-js");
+
+var _xmlJs2 = _interopRequireDefault(_xmlJs);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+// INPUT WRAPPERS
+
+const parseInputField = (fieldContents, fieldKey) => {
+	if (fieldKey === "GammaInputType" || fieldKey === "GammaResponseType") return { _attributes: { "xsi:type": fieldContents } };
+	if (fieldContents.constructor === Object) return { [fieldKey]: sanitise(fieldContents) };
+	if (Array.isArray(fieldContents)) {
+		const arrayOfParsedObjects = fieldContents.map(singleInputObject => {
+			return sanitise(singleInputObject);
+		});
+		return { [fieldKey]: arrayOfParsedObjects };
+	}
+	return { [fieldKey]: fieldContents };
+};
+
+const sanitise = callObject => {
+	const sanitised = Object.keys(callObject).reduce((distilledObject, key) => {
+		return _extends({}, distilledObject, parseInputField(callObject[key], key));
+	}, {});
+	return sanitised;
+};
+
+const getXml = exports.getXml = (callObject, method) => {
+	const sanitisedCallObject = sanitise(callObject);
+	const fullCall = {
+		_declaration: { _attributes: { version: "1.0", encoding: "utf-8" } },
+		XMLRequest: {
+			_attributes: {
+				"xmlns:xsd": "http://www.w3.org/2001/XMLSchema",
+				"xmlns:xsi": "http://www.w3.org/2001/XMLSchema-instance"
+			},
+			Description: { _text: method.name },
+			Item: _extends({ _attributes: { "xsi:type": method.type }, _text: "" }, sanitisedCallObject)
+		}
+	};
+	const xmlInner = _xmlJs2.default.js2xml(fullCall, { compact: true, spaces: 2, fullTagEmptyElement: true });
+	const xmlWrapped = _xmlJs2.default.js2xml({ _cdata: xmlInner }, { compact: true, spaces: 2, fullTagEmptyElement: true });
+	return xmlWrapped;
+};
+
+// OUTPUT PARSERS
+
+const parseResponseField = (fieldContents, fieldKey, methodSpecs) => {
+	if (fieldContents.constructor === Object && Object.keys(fieldContents).length === 0) return { [fieldKey]: "" };
+	if (methodSpecs.returnType === false && fieldKey === "_attributes" && fieldContents.hasOwnProperty("xmlns:xsi") && fieldContents.hasOwnProperty("xmlns:xsd")) return { GammaResponseType: methodSpecs.responseWrapper };
+	if (fieldKey === "_attributes" && fieldContents.hasOwnProperty("xsi:type")) return { GammaResponseType: fieldContents["xsi:type"] };
+	if (fieldContents.hasOwnProperty("_text")) return { [fieldKey]: fieldContents["_text"] };
+	if (fieldContents.hasOwnProperty("anyType")) return { [fieldKey]: processAnyType(fieldContents.anyType, methodSpecs) };
+	if (fieldContents.hasOwnProperty(fieldKey)) return { [fieldKey]: parseResponseField(fieldContents[fieldKey], fieldKey) };
+	if (fieldContents.constructor === Object && Object.keys(fieldContents).length !== 0) {
+		const formattedContents = Object.keys(fieldContents).reduce((distilledObject, key) => {
+			return _extends({}, distilledObject, parseResponseField(fieldContents[key], key, methodSpecs));
+		}, {});
+		return { [fieldKey]: formattedContents };
+	}
+	return { [fieldKey]: fieldContents };
+};
+
+const processAnyType = (anyType, methodSpecs) => {
+	// A single <anyType></anyType> response needs converted for the array operations to work
+	const anyTypeArray = Array.isArray(anyType) ? anyType : new Array(anyType);
+
+	const reduced = anyTypeArray.map(verboseObject => {
+		const keys = Object.keys(verboseObject);
+		const distilled = keys.reduce((distilledObject, key) => {
+			return _extends({}, distilledObject, parseResponseField(verboseObject[key], key, methodSpecs));
+		}, {});
+		return distilled;
+	});
+	return reduced;
+};
+
+const parseResponse = exports.parseResponse = (rawResult, methodSpecs) => {
+	const jsResponse = _xmlJs2.default.xml2js(rawResult.ReceiveDataResult, { compact: true });
+	if (jsResponse.hasOwnProperty("LPUnsupported")) return { Message: `The Gamma server responded: ${jsResponse.LPUnsupported.MessageResponse._text}` };
+	const checkableExtraction = methodSpecs.returnType ? jsResponse[methodSpecs.responseWrapper][methodSpecs.returnType] : jsResponse[methodSpecs.responseWrapper];
+
+	if (Object.keys(checkableExtraction).length === 0 && checkableExtraction.constructor === Object) return {}; // Empty response from Gamma
+	const anyType = methodSpecs.returnType ? checkableExtraction.anyType : checkableExtraction;
+	return processAnyType(anyType, methodSpecs);
+};
\ No newline at end of file

package.json

+{
+	"name": "gamma-in-js",
+	"version": "1.0.0",
+	"description": "A JavaScript library for wrapping Gamma SOAP API calls",
+	"main": "dist/index.js",
+	"author": "Ben Galloway <ben.galloway@gsc.org.uk>",
+	"license": "MIT",
+	"private": true,
+	"files": [
+		"dist"
+	],
+	"scripts": {
+		"build": "babel src --out-dir dist"
+	},
+	"dependencies": {
+		"debug": "^3.1.0",
+		"soap-as-promised": "^1.23.0",
+		"xml-js": "^1.6.2"
+	},
+	"devDependencies": {
+		"babel-cli": "^6.26.0",
+		"babel-plugin-transform-object-rest-spread": "^6.26.0",
+		"babel-preset-env": "^1.6.1"
+	}
+}

src/callGamma.js

+import soap from "soap-as-promised";
+import { getXml, parseResponse } from "./util";
+import config from "./config";
+
+const callGamma = async (methodSpecs, callParamsObject) => {
+	try {
+		const endpoint = config.endpoints[methodSpecs.endpoint];
+		const client = await soap.createClient(endpoint);
+		const callDetails = getXml(callParamsObject, methodSpecs);
+		config.debug(callDetails);
+
+		const rawResponse = await client.ReceiveData({ value: callDetails });
+		config.debug(rawResponse.ReceiveDataResult);
+
+		const response = parseResponse(rawResponse, methodSpecs);
+		config.debug(JSON.stringify(response, null, 2));
+
+		if (response.hasOwnProperty("Message")) throw new ReferenceError(response.Message);
+		return response;
+	} catch (error) {
+		throw new Error(`The response from the Gamma server could not be parsed correctly. The error was "${error}"`);
+	}
+};
+
+export default callGamma;

src/config.js

+import debug from "debug";
+const liveEndpoint = "https://gscticketserver.gsc.org.uk:5729/GDXMLWebService/GDXMLWebService.asmx?WSDL";
+const testEndpoint = "https://gscticketserver.gsc.org.uk:5729/GDXMLWebServiceTEST/GDXMLWebService.asmx?WSDL";
+
+const activeEndpoint = process.env.GAMMA_ENV === "live" ? liveEndpoint : testEndpoint;
+
+const config = {
+	endpoints: {
+		reservation: activeEndpoint,
+		bookings: activeEndpoint,
+		availability: activeEndpoint,
+		membership: activeEndpoint,
+	},
+	debug: debug("gammajs"),
+};
+export default config;

src/index.js

+import gammaMethods from "./methods";
+import callGamma from "./callGamma";
+import config from "./config";
+
+// Individual exports
+
+const create = (methodName) => {
+	const methodSpecArray = gammaMethods.filter((methodObject) => methodObject.name === methodName);
+	if (methodSpecArray.length !== 1) {
+		throw new ReferenceError(`Cannot uniquely determine a Gamma method called ${methodName}`);
+	}
+	const methodSpecObject = methodSpecArray[0];
+	return (callParams = {}) => {
+		config.debug(`Method called: ${JSON.stringify(methodSpecObject)}`);
+		return callGamma(methodSpecObject, callParams);
+	};
+};
+
+// Availability methods
+export const gammaAllContactInterests = create("AllContactInterests");
+export const gammaBookingETicketExportRequest = create("BookingETicketExportRequest");
+export const gammaBookingStatusUpdateCheck = create("BookingStatusUpdateCheck");
+export const gammaContactInterests = create("ContactInterests");
+export const gammaCustomerLoad = create("CustomerLoad");
+export const gammaEventEditList = create("EventEditList");
+export const gammaEventListLoad = create("EventListLoad");
+export const gammaEventsOnlyListLoad = create("EventsOnlyListLoad");
+export const gammaGetBookingHistory = create("GetBookingHistory");
+export const gammaGetBookingStatusList = create("GetBookingStatusList");
+export const gammaGetTourList = create("GetTourList");
+export const gammaProductListLoad = create("ProductListLoad");
+export const gammaProductMapListLoad = create("ProductMapListLoad");
+export const gammaRedeemedBookings = create("RedeemedBookings");
+export const gammaResourceDatesListLoad = create("ResourceDatesListLoad");
+export const gammaResourceListByViewByDateLoad = create("ResourceListByViewByDateLoad");
+export const gammaResourceListByViewLoad = create("ResourceListByViewLoad");
+export const gammaResourceListLoad = create("ResourceListLoad");
+export const gammaResourceViewListLoad = create("ResourceViewListLoad");
+export const gammaViewResourcesLoad = create("ViewResourcesLoad");
+export const gammaVoucherDiscountCheck = create("VoucherDiscountCheck");
+export const gammaVoucherListLoad = create("VoucherListLoad");
+// These methods seem to be unsupported by the Gamma API (based on testing in May 2018).
+// They are not made available individually here, to discourage their use.
+//export const gammaResourceDatesNotAvailable = create("ResourceDatesNotAvailable");
+//export const gammaResourceListByViewByDateLoadLight = create("ResourceListByViewByDateLoadLight");
+
+// Bookings methods
+export const gammaAmendBooking = create("AmendBooking");
+export const gammaBookingAllSave = create("BookingAllSave");
+export const gammaCancelBookingRequest = create("CancelBookingRequest");
+export const gammaRemoveContactInterests = create("RemoveContactInterests");
+export const gammaSaveCustomerDetails = create("SaveCustomerDetails");
+export const gammaUpdateBooking = create("UpdateBooking");
+export const gammaUpdateBookingStatus = create("UpdateBookingStatus");
+
+// Reservation methods
+export const gammaBookAvailableSpacesRequest = create("BookAvailableSpacesRequest");
+export const gammaCancelBookAvailableSpaces = create("CancelBookAvailableSpaces");
+export const gammaReserveXTSeats = create("ReserveXTSeats");
+export const gammaCancelSeats = create("CancelSeats");
+
+// Membership methods
+export const gammaChangeMemberDetails = create("ChangeMemberDetails");
+export const gammaMembershipPurchase = create("MembershipPurchase");
+export const gammaMembershipCancellation = create("MembershipCancellation");
+export const gammaMembershipSubscriptionsLoad = create("MembershipSubscriptionsLoad");
+export const gammaModifiedMembers = create("ModifiedMembers");

src/methods/availability-methods.js

+const availabilityMethods = [
+	{
+		name: "AllContactInterests",
+		type: "XMLAllContactInterestRequest",
+		responseWrapper: "XMLAllContactInterestsResponse",
+		returnType: false,
+		endpoint: "availability",
+		inputFormat: {},
+	},
+	{
+		name: "BookingETicketExportRequest",
+		type: "XMLBookingETicketExportRequest",
+		responseWrapper: "BookingTicketExportList",
+		returnType: "BookingticketList",
+		endpoint: "availability",
+		inputFormat: {
+			BookedDate: "Mandatory",
+		},
+	},
+	{
+		name: "BookingStatusUpdateCheck",
+		type: "XMLBookingStatusUpdateCheckRequest",
+		responseWrapper: "XMLBookingStatusUpdateCheckResponse",
+		returnType: false,
+		endpoint: "availability",
+		inputFormat: {
+			CheckDate: "Mandatory",
+		},
+	},
+	{
+		name: "ContactInterests",
+		type: "XMLContactInterestRequest",
+		responseWrapper: "XMLContactInterestsResponse",
+		returnType: false,
+		endpoint: "availability",
+		inputFormat: {
+			myContactID: "Mandatory",
+		},
+	},
+	{
+		name: "CustomerLoad",
+		type: "XMLCustomerRequest",
+		responseWrapper: "XMLCustomer",
+		returnType: false,
+		endpoint: "availability",
+		inputFormat: {
+			ID: "Optional",
+			Email: "Recommended",
+			Postcode: "Recommended",
+			Lastname: "Recommended",
+			Password: "Optional",
+			MemberNumber: "Optional",
+		},
+	},
+	{
+		name: "EventEditList",
+		type: "XMLEventRequest",
+		responseWrapper: "ResourceList",
+		returnType: "ResList",
+		endpoint: "availability",
+		inputFormat: {
+			ResView: "Mandatory",
+			RangeStartDate: "Recommended",
+			RangeEndDate: "Recommended",
+		},
+	},
+	{
+		name: "EventListLoad",
+		type: "XMLEventRequest",
+		responseWrapper: "ResourceList",
+		returnType: "ResList",
+		endpoint: "availability",
+		inputFormat: {
+			ResViewID: "Mandatory",
+			RangeStartDate: "Recommended",
+			RangeEndDate: "Recommended",
+		},
+	},
+	{
+		name: "EventsOnlyListLoad",
+		type: "XMLEventsOnlyRequest",
+		responseWrapper: "ResourceList",
+		returnType: "ResList",
+		endpoint: "availability",
+		inputFormat: {
+			RangeStartDate: "Recommended",
+			RangeEndDate: "Recommended",
+			ResView: "Recommended",
+			EventCode: "Optional",
+			ShowProductMap: "Optional",
+		},
+	},
+	{
+		name: "GetBookingHistory",
+		type: "XMLGetBookingHistoryRequest",
+		responseWrapper: "XMLGetBookingHistoryResponse",
+		returnType: false,
+		endpoint: "availability",
+		inputFormat: {
+			CustomerCode: "Mandatory",
+			VisitStartDate: "Recommended",
+			VisitEndDate: "Recommended",
+			Source: "Optional",
+			Status: "Optional",
+		},
+	},
+	{
+		name: "GetBookingStatusList",
+		type: "XMLGetBookingStatusListRequest",
+		responseWrapper: "XMLGetBookingStatusListResponse",
+		returnType: false,
+		endpoint: "availability",
+		inputFormat: {},
+	},
+	{
+		name: "GetTourList",
+		type: "XMLTourListRequest",
+		responseWrapper: "XMLTourListResponse",
+		returnType: false,
+		endpoint: "availability",
+		inputFormat: {
+			TourCode: "Mandatory",
+		},
+	},
+	{
+		name: "ProductListLoad",
+		type: "XMLProductRequest",
+		responseWrapper: "ProductList",
+		returnType: "ProductList",
+		endpoint: "availability",
+		inputFormat: {
+			CategoryCode: "Mandatory",
+			ProdCode: "Optional",
+			ProductTitle: "Optional",
+			VisitDate: "Optional",
+			RequestImages: "Optional",
+			CustomerCode: "Optional",
+		},
+	},
+	{
+		name: "ProductMapListLoad",
+		type: "XMLProductMapRequest",
+		responseWrapper: "XMLProductMaps",
+		returnType: "ProductMapList",
+		endpoint: "availability",
+		inputFormat: {
+			MapID: "Optional",
+		},
+	},
+	{
+		name: "RedeemedBookings",
+		type: "XMLRedeemedBookingsRequest",
+		responseWrapper: "XMLRedeemedBookingsResponse",
+		returnType: false,
+		endpoint: "availability",
+		inputFormat: {
+			RangeStartDate: "Mandatory",
+			RangeEndDate: "Mandatory",
+			ResView: "Mandatory",
+		},
+	},
+	{
+		name: "ResourceDatesListLoad",
+		type: "XMLResourceDatesRequest",
+		responseWrapper: "XMLResourceDatesResponse",
+		returnType: "DateList",
+		endpoint: "availability",
+		inputFormat: {
+			RangeStartDate: "Mandatory",
+			RangeEndDate: "Mandatory",
+			EventCode: "Mandatory",
+		},
+	},
+	{
+		name: "ResourceDatesNotAvailable",
+		// UNSUPPORTED?
+		type: "XMLResourceDatesNotAvailableRequest",
+		responseWrapper: "DateList",
+		returnType: "DateList",
+		endpoint: "availability",
+		inputFormat: {
+			ResStartDate: "Mandatory",
+			ResEndDate: "Mandatory",
+			ResViewID: "Recommended",
+			EventCode: "Optional",
+			Visitors: "Optional",
+		},
+	},
+	{
+		name: "ResourceListByViewByDateLoad",
+		type: "XMLResourceByViewRangeRequest",
+		responseWrapper: "ResourceList",
+		returnType: "ResList",
+		endpoint: "availability",
+		inputFormat: {
+			ResStartDate: "Mandatory",
+			ResEndDate: "Mandatory",
+			ResCode: "Optional",
+			ResView: "Mandatory",
+			EventCode: "Optional",
+			ShowProductMap: "Optional",
+		},
+	},
+	{
+		name: "ResourceListByViewByDateLoadLight",
+		// UNSUPPORTED?
+		type: "XMLResourceByViewLightRequest",
+		responseWrapper: "DateList",
+		returnType: "DateList",
+		endpoint: "availability",
+		inputFormat: {
+			ResSelectedDate: "Mandatory",
+			ResViewID: "Mandatory",
+			EventCode: "Optional",
+			Visitors: "Optional",
+			ShowProductMap: "Optional",
+		},
+	},
+	{
+		name: "ResourceListByViewLoad",
+		type: "XMLResourceByViewRequest",
+		responseWrapper: "ResourceList",
+		returnType: "ResList",
+		endpoint: "availability",
+		inputFormat: {
+			ResDate: "Recommended",
+			ResCode: "Optional",
+			ResView: "Mandatory",
+			ShowProductMap: "Optional",
+		},
+	},
+	{
+		name: "ResourceListLoad",
+		type: "XMLResourceRequest",
+		responseWrapper: "ResourceList",
+		returnType: "ResList",
+		endpoint: "availability",
+		inputFormat: {
+			ResDate: "Recommended",
+			ResCode: "Optional",
+			ShowProductMap: "Optional",
+		},
+	},
+	{
+		name: "ResourceViewListLoad",
+		type: "XMLResourceViewsRequest",
+		responseWrapper: "XMLResourceViews",
+		returnType: "ResourceViewList",
+		endpoint: "availability",
+		inputFormat: {
+			ResID: "Optional",
+		},
+	},
+	{
+		name: "ViewResourcesLoad",
+		type: "XMLViewResources",
+		responseWrapper: "ResourceList",
+		returnType: "ResList",
+		endpoint: "availability",
+		inputFormat: {
+			ResView: "Mandatory",
+			ShowProductMap: "Optional",
+		},
+	},
+	{
+		name: "VoucherDiscountCheck",
+		type: "XMLVoucherDiscountCheck",
+		responseWrapper: "XMLVoucherDiscountCheckResponse",
+		returnType: false,
+		endpoint: "availability",
+		inputFormat: {
+			VoucherCode: "Mandatory",
+			Products: "SEE DOCS",
+			VoucherVisitDate: "Optional",
+		},
+	},
+	{
+		name: "VoucherListLoad",
+		type: "XMLVoucherListRequest",
+		responseWrapper: "VoucherList",
+		returnType: "VoucherList",
+		endpoint: "availability",
+		inputFormat: {
+			VouchCode: "Optional",
+		},
+	},
+];
+
+export default availabilityMethods;

src/methods/bookings-methods.js

+const bookingsMethods = [
+	{
+		name: "AmendBooking",
+		type: "XMLAmendBookingRequest",
+		responseWrapper: "XMLAmendBookingResponse",
+		returnType: false,
+		endpoint: "bookings",
+		inputFormat: {
+			BookingList: {
+				Bookings: "SEE DOCS",
+				PaymentItem: "SEE DOCS",
+			},
+		},
+	},
+	{
+		name: "BookingAllSave",
+		type: "BookingList",
+		responseWrapper: "XMLSaveBookResponseList",
+		returnType: "SavedBookingList",
+		endpoint: "bookings",
+		inputFormat: {
+			Bookings: "SEE DOCS",
+			PaymentItem: "SEE DOCS",
+		},
+	},
+	{
+		name: "CancelBookingRequest",
+		type: "XMLCancelBookingRequest",
+		responseWrapper: "XMLCancelBookingResponse",
+		returnType: false,
+		endpoint: "bookings",
+		inputFormat: {
+			BookingRef: "Mandatory",
+			mPayment: "SEE DOCS",
+		},
+	},
+	{
+		name: "RemoveContactInterests",
+		type: "XMLRemoveContactInterestRequest",
+		responseWrapper: "XMLRemoveContactInterestResponse",
+		returnType: false,
+		endpoint: "bookings",
+		inputFormat: {
+			ContactID: "Mandatory",
+			Interests: "SEE DOCS",
+		},
+	},
+	{
+		name: "SaveCustomerDetails",
+		type: "Customer",
+		responseWrapper: "XMLCustomer",
+		returnType: false,
+		endpoint: "bookings",
+		inputFormat: {
+			Email: "Mandatory",
+			CCODE: "Optional",
+			Title: "Recommended",
+			First: "Mandatory",
+			Middle: "Optional",
+			Last: "Mandatory",
+			HouseNo: "Recommended",
+			Add1: "Recommended",
+			Add2: "Optional",
+			Add3: "Optional",
+			Add4: "Optional",
+			City: "Recommended",
+			County: "Recommended",
+			PCode: "Recommended",
+			Country: "Recommended",
+			TelNo: "Recommended",
+			EvTelNo: "Optional",
+			MailingList: "Optional",
+			Password: "Recommended",
+			ConsentMail: "Mandatory",
+			ConsentPhone: "Mandatory",
+			ConsentSMS: "Mandatory",
+			ConsentEmail: "Mandatory",
+		},
+	},
+	{
+		name: "UpdateBooking",
+		type: "XMLUpdateBookingRequest",
+		responseWrapper: "XMLUpdateBookingResponse",
+		returnType: false,
+		endpoint: "bookings",
+		inputFormat: {
+			BookingRef: "Mandatory",
+			Customer: "SEE DOCS",
+			Products: "SEE DOCS",
+			UDFList: "SEE DOCS",
+			PaymentItem: "SEE DOCS",
+		},
+	},
+	{
+		name: "UpdateBookingStatus",
+		type: "XMLUpdateBookingStatusRequest",
+		responseWrapper: "XMLUpdateBookingStatusResponse",
+		returnType: false,
+		endpoint: "bookings",
+		inputFormat: {
+			BookingRef: "Mandatory",
+			BookingStatus: {
+				ID: "Mandatory",
+				BookingStatus: "Recommended",
+			},
+		},
+	},
+];
+
+export default bookingsMethods;

src/methods/index.js

+import reservationMethods from "./reservation-methods";
+import bookingsMethods from "./bookings-methods";
+import availabilityMethods from "./availability-methods";
+import membershipMethods from "./membership-methods";
+
+const gammaMethods = [...reservationMethods, ...bookingsMethods, ...availabilityMethods, ...membershipMethods];
+export default gammaMethods;

src/methods/membership-methods.js

+const membershipMethods = [
+	{
+		// Change Member Details (Batch)
+		name: "ChangeMemberDetails",
+		type: "XMLChangeMemberDetailsRequest",
+		responseWrapper: "XMLChangeMemberDetailsResponse",
+		returnType: false,
+		endpoint: "membership",
+		inputFormat: {
+			Members: "SEE DOCS",
+		},
+	},
+	{
+		// Create Membership / Update Membership
+		name: "MembershipPurchase",
+		type: "XMLMembershipPurchaseRequest",
+		responseWrapper: "XMLMembershipPurchaseResponse",
+		returnType: false,
+		endpoint: "membership",
+		inputFormat: {
+			MemberNumber: "Mandatory",
+			GiftAid: "Mandatory",
+			Customer: "SEE DOCS",
+			Products: "SEE DOCS",
+			Joints: "SEE DOCS",
+			PaymentItem: "SEE DOCS",
+		},
+	},
+	{
+		name: "MembershipCancellation",
+		type: "XMLMembershipCancellationRequest",
+		responseWrapper: "XMLMembershipCancellationResponse",
+		returnType: false,
+		endpoint: "membership",
+		inputFormat: {
+			MembershipNumber: "Recommended",
+			PersonRef: "Recommended",
+			MembershipType: "Recommended",
+			MemberName: "Optional",
+			Joints: "SEE DOCS",
+		},
+	},
+	{
+		// Membership Load
+		name: "MembershipSubscriptionsLoad",
+		type: "XMLMemberRequest",
+		responseWrapper: "MembershipList",
+		returnType: "MembershipList",
+		endpoint: "membership",
+		inputFormat: {
+			Email: "Recommended",
+			MemberNumber: "Recommended",
+			ID: "Recommended",
+		},
+	},
+	{
+		name: "ModifiedMembers",
+		type: "XMLModifiedMembersRequest",
+		responseWrapper: "XMLModifiedMembersResponse",
+		returnType: false,
+		endpoint: "membership",
+		inputFormat: {
+			StartDate: "Mandatory",
+			EndDate: "Mandatory",
+		},
+	},
+	/*
+	{
+		name: "CreateCustomer",
+		alias: "bookings.SaveCustomerDetails",
+	},
+		{
+		name: "CustomerLoad",
+		alias: "availability.CustomerLoad",
+	},
+		{
+		name: "ProductListLoad",
+		alias: "availability.ProductListLoad",
+	},
+	{
+		name: "UpdateCustomer",
+		alias: "bookings.SaveCustomerDetails",
+	},
+	{
+		name: "VoucherDiscountCheck",
+		alias: "availability.VoucherDiscountCheck",
+	},
+	*/
+];
+
+export default membershipMethods;

src/methods/reservation-methods.js

+const reservationMethods = [
+	{
+		name: "BookAvailableSpacesRequest",
+		type: "XMLBookAvailableSpacesRequest",
+		responseWrapper: "XMLBookAvailableSpacesResponse",
+		returnType: false,
+		endpoint: "reservation",
+		inputFormat: {
+			VisitDate: "Mandatory",
+			ResID: "Mandatory",
+			SessionID: "Mandatory",
+			VisitorQty: "Mandatory",
+		},
+	},
+	{
+		name: "CancelBookAvailableSpaces",
+		type: "XMLCancelBookAvailableSpacesRequest",
+		responseWrapper: "XMLItemSaveResponse",
+		returnType: false,
+		endpoint: "reservation",
+		inputFormat: {
+			ID: "Mandatory",
+			ResID: "Optional",
+			VisitDate: "Optional",
+			VisitorQty: "Optional",
+		},
+	},
+	{
+		name: "ReserveXTSeats",
+		type: "XMLXTSeatReserveRequest",
+		responseWrapper: "XMLXTSeatReserveResponse",
+		returnType: false,
+		endpoint: "reservation",
+		inputFormat: {
+			Seats: "SEE DOCS",
+			EventResID: "Mandatory",
+		},
+	},
+	{
+		name: "CancelSeats",
+		type: "XMLCancelSeatRequest",
+		responseWrapper: "XMLCancelSeatResponse",
+		returnType: false,
+		endpoint: "reservation",
+		inputFormat: {
+			Seats: "SEE DOCS",
+		},
+	},
+];
+
+export default reservationMethods;

src/util.js

+// Utility parsing and wrapping functions for calls to Gamma
+import convert from "xml-js";
+
+// INPUT WRAPPERS
+
+const parseInputField = (fieldContents, fieldKey) => {
+	if (fieldKey === "GammaInputType" || fieldKey === "GammaResponseType")
+		return { _attributes: { "xsi:type": fieldContents } };
+	if (fieldContents.constructor === Object) return { [fieldKey]: sanitise(fieldContents) };
+	if (Array.isArray(fieldContents)) {
+		const arrayOfParsedObjects = fieldContents.map((singleInputObject) => {
+			return sanitise(singleInputObject);
+		});
+		return { [fieldKey]: arrayOfParsedObjects };
+	}
+	return { [fieldKey]: fieldContents };
+};
+
+const sanitise = (callObject) => {
+	const sanitised = Object.keys(callObject).reduce((distilledObject, key) => {
+		return { ...distilledObject, ...parseInputField(callObject[key], key) };
+	}, {});
+	return sanitised;
+};
+
+export const getXml = (callObject, method) => {
+	const sanitisedCallObject = sanitise(callObject);
+	const fullCall = {
+		_declaration: { _attributes: { version: "1.0", encoding: "utf-8" } },
+		XMLRequest: {
+			_attributes: {
+				"xmlns:xsd": "http://www.w3.org/2001/XMLSchema",
+				"xmlns:xsi": "http://www.w3.org/2001/XMLSchema-instance",
+			},
+			Description: { _text: method.name },
+			Item: { _attributes: { "xsi:type": method.type }, _text: "", ...sanitisedCallObject },
+		},
+	};
+	const xmlInner = convert.js2xml(fullCall, { compact: true, spaces: 2, fullTagEmptyElement: true });
+	const xmlWrapped = convert.js2xml({ _cdata: xmlInner }, { compact: true, spaces: 2, fullTagEmptyElement: true });
+	return xmlWrapped;
+};
+
+// OUTPUT PARSERS
+
+const parseResponseField = (fieldContents, fieldKey, methodSpecs) => {
+	if (fieldContents.constructor === Object && Object.keys(fieldContents).length === 0) return { [fieldKey]: "" };
+	if (
+		methodSpecs.returnType === false &&
+		fieldKey === "_attributes" &&
+		fieldContents.hasOwnProperty("xmlns:xsi") &&
+		fieldContents.hasOwnProperty("xmlns:xsd")
+	)
+		return { GammaResponseType: methodSpecs.responseWrapper };
+	if (fieldKey === "_attributes" && fieldContents.hasOwnProperty("xsi:type"))
+		return { GammaResponseType: fieldContents["xsi:type"] };
+	if (fieldContents.hasOwnProperty("_text")) return { [fieldKey]: fieldContents["_text"] };
+	if (fieldContents.hasOwnProperty("anyType"))
+		return { [fieldKey]: processAnyType(fieldContents.anyType, methodSpecs) };
+	if (fieldContents.hasOwnProperty(fieldKey))
+		return { [fieldKey]: parseResponseField(fieldContents[fieldKey], fieldKey) };
+	if (fieldContents.constructor === Object && Object.keys(fieldContents).length !== 0) {
+		const formattedContents = Object.keys(fieldContents).reduce((distilledObject, key) => {
+			return { ...distilledObject, ...parseResponseField(fieldContents[key], key, methodSpecs) };
+		}, {});
+		return { [fieldKey]: formattedContents };
+	}
+	return { [fieldKey]: fieldContents };
+};
+
+const processAnyType = (anyType, methodSpecs) => {
+	// A single <anyType></anyType> response needs converted for the array operations to work
+	const anyTypeArray = Array.isArray(anyType) ? anyType : new Array(anyType);
+
+	const reduced = anyTypeArray.map((verboseObject) => {
+		const keys = Object.keys(verboseObject);
+		const distilled = keys.reduce((distilledObject, key) => {
+			return { ...distilledObject, ...parseResponseField(verboseObject[key], key, methodSpecs) };
+		}, {});
+		return distilled;
+	});
+	return reduced;
+};
+
+export const parseResponse = (rawResult, methodSpecs) => {
+	const jsResponse = convert.xml2js(rawResult.ReceiveDataResult, { compact: true });
+	if (jsResponse.hasOwnProperty("LPUnsupported"))
+		return { Message: `The Gamma server responded: ${jsResponse.LPUnsupported.MessageResponse._text}` };
+	const checkableExtraction = methodSpecs.returnType
+		? jsResponse[methodSpecs.responseWrapper][methodSpecs.returnType]
+		: jsResponse[methodSpecs.responseWrapper];
+
+	if (Object.keys(checkableExtraction).length === 0 && checkableExtraction.constructor === Object) return {}; // Empty response from Gamma
+	const anyType = methodSpecs.returnType ? checkableExtraction.anyType : checkableExtraction;
+	return processAnyType(anyType, methodSpecs);
+};