✨ Spotify Node

Co-authored-by: Ricardo Espinoza <RicardoE105@users.noreply.github.com>

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

@@ -0,0 +1,84 @@
+import { OptionsWithUri } from 'request';
+
+import {
+	IExecuteFunctions,
+	IHookFunctions,
+} from 'n8n-core';
+
+import {
+	IDataObject,
+} from 'n8n-workflow';
+
+/**
+ * Make an API request to Spotify
+ *
+ * @param {IHookFunctions} this
+ * @param {string} method
+ * @param {string} url
+ * @param {object} body
+ * @returns {Promise<any>}
+ */
+export async function spotifyApiRequest(this: IHookFunctions | IExecuteFunctions,
+	method: string, endpoint: string, body: object, query?: object, uri?: string): Promise<any> { // tslint:disable-line:no-any
+
+	const options: OptionsWithUri = {
+		method,
+		headers: {
+			'User-Agent': 'n8n',
+			'Content-Type': 'text/plain',
+			'Accept': ' application/json',
+		},
+		body,
+		qs: query,
+		uri: uri || `https://api.spotify.com/v1${endpoint}`,
+		json: true
+	};
+
+	try {
+		const credentials = this.getCredentials('spotifyOAuth2Api');
+
+		if (credentials === undefined) {
+			throw new Error('No credentials got returned!');
+		}
+
+		if (Object.keys(body).length === 0) {
+			delete options.body;
+		}
+
+		return await this.helpers.requestOAuth2.call(this, 'spotifyOAuth2Api', options);
+	} catch (error) {
+		if (error.statusCode === 401) {
+            // Return a clear error
+            throw new Error('The Spotify credentials are not valid!');
+        }
+
+        if (error.error && error.error.error && error.error.error.message) {
+            // Try to return the error prettier
+            throw new Error(`Spotify error response [${error.error.error.status}]: ${error.error.error.message}`);
+        }
+
+        // If that data does not exist for some reason return the actual error
+        throw error;
+	}
+}
+
+export async function spotifyApiRequestAllItems(this: IHookFunctions | IExecuteFunctions,
+	propertyName: string, method: string, endpoint: string, body: object, query?: object): Promise<any> { // tslint:disable-line:no-any
+
+	const returnData: IDataObject[] = [];
+
+	let responseData;
+
+	let uri: string | undefined;
+
+	do {
+		responseData = await spotifyApiRequest.call(this, method, endpoint, body, query, uri);
+		returnData.push.apply(returnData, responseData[propertyName]);
+		uri = responseData.next;
+
+	} while (
+		responseData['next'] !== null
+	);
+
+	return returnData;
+}