Merge pull request #24 from chrisharrison/master

Support for `responseBody` on iOS

Author: StevePotter

ios/VydiaRNFileUploader.m

@@ -23,6 +23,13 @@ @implementation VydiaRNFileUploader
 static RCTEventEmitter* staticEventEmitter = nil;
 static NSString *BACKGROUND_SESSION_ID = @"VydiaRNFileUploader";
 NSURLSession *_urlSession = nil;
+NSMutableDictionary *_responsesData = nil;
+
++(void)initialize {
+    if(!_responsesData) {
+        _responsesData = [NSMutableDictionary dictionary];
+    }
+}
 
 -(id) init {
   self = [super init];
@@ -158,6 +165,17 @@ - (void)URLSession:(NSURLSession *)session
     if (response != nil)
     {
         [data setObject:[NSNumber numberWithInteger:response.statusCode] forKey:@"responseCode"];
+        
+        //Add data that was collected earlier by the didReceiveData method
+        NSMutableData *responseData = _responsesData[@(task.taskIdentifier)];
+        if (responseData) {
+            NSString *response = [[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding];
+            [data setObject:response forKey:@"responseBody"];
+        } else {
+            [data setObject:[NSNull null] forKey:@"responseBody"];
+        }
+        [_responsesData removeObjectForKey:@(task.taskIdentifier)];
+        
     }
 
     if (error == nil)
@@ -185,4 +203,15 @@ - (void)URLSession:(NSURLSession *)session
     [self _sendEventWithName:@"RNFileUploader-progress" body:@{ @"id": task.taskDescription, @"progress": [NSNumber numberWithFloat:progress] }];
 }
 
+- (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveData:(NSData *)data {
+    //Hold returned data so it can be picked up by the didCompleteWithError method later
+    NSMutableData *responseData = _responsesData[@(dataTask.taskIdentifier)];
+    if (!responseData) {
+        responseData = [NSMutableData dataWithData:data];
+        _responsesData[@(dataTask.taskIdentifier)] = responseData;
+    } else {
+        [responseData appendData:data];
+    }
+}
+
 @end