first commit

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

@@ -0,0 +1,49 @@
+import type {
+	IExecuteFunctions,
+	ILoadOptionsFunctions,
+	IDataObject,
+	JsonObject,
+	IHttpRequestMethods,
+	IRequestOptions,
+} from 'n8n-workflow';
+import { NodeApiError } from 'n8n-workflow';
+
+export async function deepLApiRequest(
+	this: IExecuteFunctions | ILoadOptionsFunctions,
+	method: IHttpRequestMethods,
+	resource: string,
+	body: IDataObject = {},
+	qs: IDataObject = {},
+	uri?: string,
+	headers: IDataObject = {},
+) {
+	const proApiEndpoint = 'https://api.deepl.com/v2';
+	const freeApiEndpoint = 'https://api-free.deepl.com/v2';
+
+	const credentials = await this.getCredentials('deepLApi');
+
+	const options: IRequestOptions = {
+		headers: {
+			'Content-Type': 'application/x-www-form-urlencoded',
+		},
+		method,
+		form: body,
+		qs,
+		uri: uri || `${credentials.apiPlan === 'pro' ? proApiEndpoint : freeApiEndpoint}${resource}`,
+		json: true,
+	};
+
+	try {
+		if (Object.keys(headers).length !== 0) {
+			options.headers = Object.assign({}, options.headers, headers);
+		}
+
+		if (Object.keys(body).length === 0) {
+			delete options.body;
+		}
+
+		return await this.helpers.requestWithAuthentication.call(this, 'deepLApi', options);
+	} catch (error) {
+		throw new NodeApiError(this.getNode(), error as JsonObject);
+	}
+}