✨ flow node and trigger

packages/nodes-base/nodes/Flow/GenericFunctions.ts

@@ -0,0 +1,67 @@
+import { OptionsWithUri } from 'request';
+import {
+	IExecuteFunctions,
+	IHookFunctions,
+	ILoadOptionsFunctions,
+	IExecuteSingleFunctions,
+} from 'n8n-core';
+import { IDataObject } from 'n8n-workflow';
+
+export async function flowApiRequest(this: IHookFunctions | IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions, method: string, resource: string, body: any = {}, qs: IDataObject = {}, uri?: string, option: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
+	const credentials = this.getCredentials('flowApi');
+	if (credentials === undefined) {
+		throw new Error('No credentials got returned!');
+	}
+
+	let options: OptionsWithUri = {
+		headers: { 'Authorization': `Bearer ${credentials.accessToken}`},
+		method,
+		qs,
+		body,
+		uri: uri ||`https://api.getflow.com/v2${resource}`,
+		json: true
+	};
+	options = Object.assign({}, options, option);
+	if (Object.keys(options.body).length === 0) {
+		delete options.body;
+	}
+	try {
+		return await this.helpers.request!(options);
+	} catch (error) {
+		console.error(error);
+
+		const errorMessage = error.response.body.message || error.response.body.Message;
+
+		if (errorMessage !== undefined) {
+			throw errorMessage;
+		}
+		throw error.response.body;
+	}
+}
+
+/**
+ * Make an API request to paginated flow endpoint
+ * and return all results
+ */
+export async function FlowApiRequestAllItems(this: IHookFunctions | IExecuteFunctions, propertyName: string, method: string, resource: string, body: any = {}, query: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
+
+	const returnData: IDataObject[] = [];
+
+	let responseData;
+
+	query.limit = 100;
+
+	let uri: string | undefined;
+
+	do {
+		responseData = await flowApiRequest.call(this, method, resource, body, query, uri, { resolveWithFullResponse: true });
+		uri = responseData.headers.link;
+		// @ts-ignore
+		returnData.push.apply(returnData, responseData.body[propertyName]);
+	} while (
+		responseData.headers.link !== undefined &&
+		responseData.headers.link !== ''
+	);
+
+	return returnData;
+}