add HTTP override

Author: minjikarin

spec/amadeus/client/request.test.js

@@ -197,5 +197,19 @@ describe('Request', () => {
         expect(request.headers['Content-Type']).toBe('application/vnd.amadeus+json');
       });
     });
+
+    describe('.addHTTPOverride', () => {
+      it('should add the X-HTTP-Method-Override header if the specific endpoints', () => {
+        for (let path of request.ListHTTPOverride){
+          request.path = path;
+          request.verb = 'POST';
+          request.headers = {};
+          request.bearerToken = undefined;
+          request.addHTTPOverrideHeader();
+          expect(request.headers['X-HTTP-Method-Override']).toBe('GET');
+        }
+      });
+    });
+
   });
 });

src/amadeus/client/request.js

@@ -40,8 +40,17 @@ class Request {
       'User-Agent' : this.userAgent(),
       'Accept' : 'application/json, application/vnd.amadeus+json'
     };
+    this.ListHTTPOverride= [
+      '/v2/shopping/flight-offers',
+      '/v1/shopping/seatmaps',
+      '/v1/shopping/availability/flight-availabilities',
+      '/v2/shopping/flight-offers/prediction',
+      '/v1/shopping/flight-offers/pricing',
+      '/v1/shopping/flight-offers/upselling'
+    ];
     this.addAuthorizationHeader();
     this.addContentTypeHeader();
+    this.addHTTPOverrideHeader();
   }
 
   // PROTECTED
@@ -132,6 +141,18 @@ class Request {
     }
     return;
   }
+
+  /**
+  * Adds HTTPOverride method if it is required
+  *
+  *  @private
+  */
+  addHTTPOverrideHeader() {
+    if (this.verb === 'POST' && this.ListHTTPOverride.includes(this.path)) {
+      this.headers['X-HTTP-Method-Override'] = 'GET';
+    }
+    return;
+  }
 }
 
 export default Request;