Getting Error in post parameters with MultipartFormData using Alamofire Swift

Question

I am unable to upload images to server getting. Showing upload progress upload.uploadProgress but after upload.responseJSON is nil error. I have tried my best but couldn't solve the issue. Please anyone can help me out. What am I doing wrong? when I debug it { (result) in switch result { result is invalid.

Postman key: (parameters)

ImageList -- for images
ProjectUnitID  -- 8568816

Swift Code:

 if asset.type == .photo {
   let displayImage = asset.fullResolutionImage!images?.append(d)
   let token = UserDefaults.standard.string(forKey: "newToken")
   let image = displayImage
   let imgData = image.jpegData(compressionQuality: 0.2)!
   let parameters = ["ProjectUnitId": 8568816]                 
   Alamofire.upload(multipartFormData: { multipartFormData in
        multipartFormData.append(imgData, withName: "ImageList",fileName: "file.jpg", mimeType: "image/jpg")
        for (key, value) in parameters {
            multipartFormData.append(value.data(using: String.Encoding.utf8)!, withName: key)
        } 
   },to:"http://AddProjectUnitImages", headers: [ "Authorization":"Bearer \(String(describing: token))"]) { (result) in
   switch result {
   case .success(let upload, _, _):
       upload.uploadProgress(closure: { (progress) in
           print("Upload Progress: \(progress.fractionCompleted)")
        })

       upload.responseJSON { response in
          print(response.result.value)
       }
       case .failure(let encodingError):
          print(encodingError)
       }
     }
  }

Nothing seems to be wrong in your code, check with the backend Code/API — Austin Michael
– Austin Michael, Commented Dec 23, 2019 at 9:33

VishalPethani · Accepted Answer · 2019-12-23 11:41:24Z

Try this if this is a server error you will get the error here,

Alamofire.upload(multipartFormData: { (multipartFormData) in
    multipartFormData.append(profileImg, withName: "user_image", fileName: "file.jpeg", mimeType: "image/jpeg")
    for (key, value) in parameters {
         multipartFormData.append((value as AnyObject).data(using: String.Encoding.utf8.rawValue)!, withName: key)
    } //}, to:url!,headers:nil)
 }, to:url) { (result) in
 switch result {
 case .success(let upload,_,_ ):
    upload.uploadProgress(closure: { (progress) in
        //Print progress
        print(progress)
    })
    //To check and verify server error
    upload.responseString(completionHandler: { (response) in
        print(response)
        print (response.result)
    })
    upload.responseJSON { response in
       switch response.result {
       case .success:
           print(response)
           completion(response)
       case .failure(let error):
          print(error)
          completion(response)
       }
    }
    case .failure(_):
       print(result)
      // completion(responds)
    }
}

Newbie · Accepted Answer · 2019-12-23 11:42:54Z

0

Issue was at the back end side. Rectified and now my code works perfectly fine no issues. Thanks everyone.

answered Dec 23, 2019 at 11:42

Newbie

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