branded upsell endpoint

Author: tsolakoua

README.md

@@ -260,6 +260,9 @@ amadeus.shopping.seatmaps.get({
 // Flight Availabilities Search
 amadeus.shopping.availability.flightAvailabilities.post(body);
 
+// Branded Fares Upsell 
+amadeus.shopping.flightOffers.upselling.post(body);
+
 // Flight Choice Prediction
 amadeus.shopping.flightOffersSearch.get({
     originLocationCode: 'SYD',

spec/amadeus/namespaces.test.js

@@ -459,6 +459,12 @@ describe('Namespaces', () => {
         .toHaveBeenCalledWith('/v1/shopping/availability/flight-availabilities', {});
     });
 
+    it('.amadeus.shopping.flight_offers.upselling.post', () => {
+      amadeus.client.post = jest.fn();
+      amadeus.shopping.flightOffers.upselling.post();
+      expect(amadeus.client.post)
+        .toHaveBeenCalledWith('/v1/shopping/flight-offers/upselling', {});
+    });
 
   });
 });

src/amadeus/namespaces/shopping/availability/flight_availabilities.js

@@ -6,7 +6,7 @@
  *
  * ```js
  * let amadeus = new Amadeus();
- * amadeus.availability.FlightAvailabilities;
+ * amadeus.availability.flightAvailabilities;
  * ```
  *
  * @param {Client} client

src/amadeus/namespaces/shopping/flight_offers.js

@@ -1,5 +1,6 @@
 import FlightChoicePrediction from './flight_offers/flight_choice_prediction.js';
 import Pricing from './flight_offers/pricing.js';
+import Upselling from './flight_offers/upselling.js';
 
 /**
  * A namespaced client for the
@@ -19,6 +20,7 @@ class FlightOffers {
     this.client = client;
     this.prediction = new FlightChoicePrediction(client);
     this.pricing = new Pricing(client);
+    this.upselling = new Upselling(client);
   }
 }
 

src/amadeus/namespaces/shopping/flight_offers/upselling.js

@@ -0,0 +1,34 @@
+/**
+ * A namespaced client for the
+ * `/v1/shopping/flight-offers/upselling` endpoints
+ *
+ * Access via the {@link Amadeus} object
+ *
+ * ```js
+ * let amadeus = new Amadeus();
+ * amadeus.shopping.flightOffers.upselling;
+ * ```
+ *
+ * @param {Client} client
+ */
+class Upselling {
+  constructor(client) {
+    this.client = client;
+  }
+
+  /**
+   * Get available seats in different fare classes
+   *
+   * @param {Object} params
+   * @return {Promise.<Response,ResponseError>} a Promise
+   *
+   * ```js
+   * amadeus.shopping.flightOffers.upselling.post(body);
+   * ```
+   */
+  post(params = {}) {
+    return this.client.post('/v1/shopping/flight-offers/upselling', params);
+  }
+}
+
+export default Upselling;