Add create pdf method

Author: ivanalemunioz

src/Afip.js

@@ -42,6 +42,11 @@ const RegisterScopeThirteen = require('./Class/RegisterScopeThirteen');
 module.exports = Afip;
 
 function Afip(options = {}){
+	/**
+	 * SDK version
+	 **/
+	this.sdk_version_number = '0.7.8';
+
 	/**
 	 * File name for the WSDL corresponding to WSAA
 	 *
@@ -129,6 +134,20 @@ function Afip(options = {}){
 		this.WSAA_URL = 'https://wsaahomo.afip.gov.ar/ws/services/LoginCms';
 	}
 
+	// Create an instance of the admin client
+	/** @private */
+	this.AdminClient = axios.create({
+		baseURL: 'https://app.afipsdk.com/api/',
+		timeout: 10000
+	});
+
+	this.AdminClient.defaults.headers.common['sdk-version-number'] = this.sdk_version_number;
+	this.AdminClient.defaults.headers.common['sdk-library'] = 'javascript';
+
+	if (this.options['access_token']) {
+		this.AdminClient.defaults.headers.common['Authorization'] = `Bearer ${this.options['access_token']}`;
+	}
+
 	this.ElectronicBilling 			= new ElectronicBilling(this);
 	this.RegisterScopeFour 			= new RegisterScopeFour(this);
 	this.RegisterScopeFive 			= new RegisterScopeFive(this);
@@ -302,20 +321,7 @@ Afip.prototype.TrackUsage = async function(web_service, operation, params = {})
 		this.mixpanel.track(web_service+'.'+operation, Object.assign({}, this.mixpanelRegister, options));
 	} catch (e) {}
 
-	if (!this.AdminClient && this.options['production'] === true) {
-		/** @private */
-		this.AdminClient = axios.create({
-			baseURL: 'https://app.afipsdk.com/api/',
-			timeout: 10000
-		});
-	
-		this.AdminClient.defaults.headers.common['sdk-version-number'] = '0.7.8';
-		this.AdminClient.defaults.headers.common['sdk-library'] = 'javascript';
-
-		if (this.options['access_token']) {
-			this.AdminClient.defaults.headers.common['Authorization'] = `Bearer ${this.options['access_token']}`;
-		}
-	
+	if (!this.AdminClientInitialized && this.options['production'] === true) {
 		try {
 			await this.AdminClient.post('v1/sdk-events', {
 				"name": "initialized",
@@ -325,6 +331,9 @@ Afip.prototype.TrackUsage = async function(web_service, operation, params = {})
 					"afip_sdk_library": "javascript"
 				}
 			});
+
+			/** @private */
+			this.AdminClientInitialized = true;
 		} catch (error) {
 			if (!error.response) {
 				throw error;

src/Class/ElectronicBilling.js

@@ -19,6 +19,32 @@ module.exports = class ElectronicBilling extends AfipWebService {
 		super(options, { service: 'wsfe' });
 	}
 
+	/**
+	 * Create PDF 
+	 * 
+	 * Send a request to Afip SDK server to create a PDF
+	 *
+	 * @param {object} data Data for PDF creation
+	 **/
+	async createPDF(data)
+	{
+		try {
+			const { data: { file, file_name } } = await this.afip.AdminClient.post('v1/pdfs', data);
+
+			return { file, file_name };
+		} catch (error) {
+			if (!error.response) {
+				throw error;
+			}
+			else if (error.response.data && error.response.data.message) {
+				throw Object.assign(new Error(error.response.data.message), error.response.data);
+			}
+			else {
+				throw Object.assign(new Error(error.response.statusText), error.response);
+			}
+		}
+	}
+
 	/**
 	 * Gets last voucher number 
 	 *