✨ Feature/twake node (#815)

* ⚡️ ADD Twake node

* Convert space in tab

* ✨ Twake-Node

* ⚡ Improvements

* ⚡ Small improvements

Co-authored-by: Benoit <benoit.tallandier@gmail.com>

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

@@ -0,0 +1,67 @@
+import {
+	IExecuteFunctions,
+	IHookFunctions,
+	ILoadOptionsFunctions,
+} from 'n8n-core';
+
+import {
+	OptionsWithUri,
+} from 'request';
+/**
+ * Make an API request to Twake
+ *
+ * @param {IHookFunctions} this
+ * @param {string} method
+ * @param {string} url
+ * @param {object} body
+ * @returns {Promise<any>}
+ */
+export async function twakeApiRequest(this: IHookFunctions | IExecuteFunctions | ILoadOptionsFunctions, method: string, resource: string, body: object, query?: object, uri?: string): Promise<any>  {  // tslint:disable-line:no-any
+
+	const authenticationMethod = this.getNodeParameter('twakeVersion', 0, 'twakeCloudApi') as string;
+
+	const options: OptionsWithUri = {
+		headers: {},
+		method,
+		body,
+		qs: query,
+		uri: uri || `https://connectors.albatros.twakeapp.com/n8n${resource}`,
+		json: true,
+	};
+
+
+	if (authenticationMethod === 'cloud') {
+		const credentials = this.getCredentials('twakeCloudApi');
+		options.headers!.Authorization = `Bearer ${credentials!.workspaceKey}`;
+
+	} else {
+
+		const credentials = this.getCredentials('twakeServerApi');
+		options.auth = { user: credentials!.publicId as string, pass: credentials!.privateApiKey as string };
+		options.uri = `${credentials!.hostUrl}/api/v1${resource}`;
+	}
+
+	try {
+		return await this.helpers.request!(options);
+	} catch (error) {
+		if( error.error.code === "ECONNREFUSED"){
+			throw new Error('Twake host is not accessible!');
+
+		}
+		if (error.statusCode === 401) {
+			// Return a clear error
+			throw new Error('The Twake credentials are not valid!');
+		}
+
+		if (error.response && error.response.body && error.response.body.errors) {
+			// Try to return the error prettier
+			const errorMessages = error.response.body.errors.map((errorData: { message: string }) => {
+				return errorData.message;
+			});
+			throw new Error(`Twake error response [${error.statusCode}]: ${errorMessages.join(' | ')}`);
+		}
+
+		// If that data does not exist for some reason return the actual error
+		throw error;
+	}
+}