From 31cbeae09e3ec46ddc4e2181a64631673909590d Mon Sep 17 00:00:00 2001
From: Jan Oberhauser <jan.oberhauser@gmail.com>
Date: Sun, 6 Oct 2019 10:33:50 +0200
Subject: [PATCH] :zap: Make form selectable in TypeformTrigger-Node

---
 .../nodes/Typeform/GenericFunctions.ts        | 69 +++++++++++++++++++
 .../nodes/Typeform/TypeformTrigger.node.ts    | 18 +++--
 2 files changed, 83 insertions(+), 4 deletions(-)

diff --git a/packages/nodes-base/nodes/Typeform/GenericFunctions.ts b/packages/nodes-base/nodes/Typeform/GenericFunctions.ts
index f202a18a6..8ed723814 100644
--- a/packages/nodes-base/nodes/Typeform/GenericFunctions.ts
+++ b/packages/nodes-base/nodes/Typeform/GenericFunctions.ts
@@ -78,3 +78,72 @@ export async function apiRequest(this: IHookFunctions | IExecuteFunctions | ILoa
 		throw error;
 	}
 }
+
+
+/**
+ * Make an API request to paginated Typeform endpoint
+ * and return all results
+ *
+ * @export
+ * @param {(IHookFunctions | IExecuteFunctions)} this
+ * @param {string} method
+ * @param {string} endpoint
+ * @param {IDataObject} body
+ * @param {IDataObject} [query]
+ * @returns {Promise<any>}
+ */
+export async function apiRequestAllItems(this: IHookFunctions | IExecuteFunctions | ILoadOptionsFunctions, method: string, endpoint: string, body: IDataObject, query?: IDataObject, dataKey?: string): Promise<any> { // tslint:disable-line:no-any
+
+	if (query === undefined) {
+		query = {};
+	}
+
+	query.page_size = 200;
+	query.page = 0;
+
+	const returnData = {
+		items: [] as IDataObject[],
+	};
+
+	let responseData;
+
+	do {
+		query.page += 1;
+
+		responseData = await apiRequest.call(this, method, endpoint, body, query);
+
+		returnData.items.push.apply(returnData.items, responseData.items);
+	} while (
+		responseData.page_count !== undefined &&
+		responseData.page_count > query.page
+	);
+
+	return returnData;
+}
+
+
+/**
+ * Returns all the available forms
+ *
+ * @export
+ * @param {ILoadOptionsFunctions} this
+ * @returns {Promise<INodePropertyOptions[]>}
+ */
+export async function getForms(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
+	const endpoint = 'forms';
+	const responseData = await apiRequestAllItems.call(this, 'GET', endpoint, {});
+
+	if (responseData.items === undefined) {
+		throw new Error('No data got returned');
+	}
+
+	const returnData: INodePropertyOptions[] = [];
+	for (const baseData of responseData.items) {
+		returnData.push({
+			name: baseData.title,
+			value: baseData.id,
+		});
+	}
+
+	return returnData;
+}
diff --git a/packages/nodes-base/nodes/Typeform/TypeformTrigger.node.ts b/packages/nodes-base/nodes/Typeform/TypeformTrigger.node.ts
index 6b7506247..fa8061c6a 100644
--- a/packages/nodes-base/nodes/Typeform/TypeformTrigger.node.ts
+++ b/packages/nodes-base/nodes/Typeform/TypeformTrigger.node.ts
@@ -12,6 +12,7 @@ import {
 
 import {
 	apiRequest,
+	getForms,
 	ITypeformAnswer,
 	ITypeformAnswerField,
 	ITypeformDefinition,
@@ -49,13 +50,16 @@ export class TypeformTrigger implements INodeType {
 		],
 		properties: [
 			{
-				displayName: 'Form ID',
+				displayName: 'Form',
 				name: 'formId',
-				type: 'string',
+				type: 'options',
+				typeOptions: {
+					loadOptionsMethod: 'getForms',
+				},
+				options: [],
 				default: '',
 				required: true,
-				placeholder: 'OUiTe2',
-				description: 'Unique ID of the form.',
+				description: 'Form which should trigger workflow on submission.',
 			},
 			{
 				displayName: 'Simplify Answers',
@@ -74,6 +78,12 @@ export class TypeformTrigger implements INodeType {
 		],
 	};
 
+	methods = {
+		loadOptions: {
+			getForms,
+		},
+	};
+
 	// @ts-ignore (because of request)
 	webhookMethods = {
 		default: {