Power Platform Community Forum Thread Details

Hey all,

I am struggling with a multipart/form-data within my custom connecter. I want to achieve to transform the body at the code Section. But I am not able to pass the date related to this error. Maybe somebody got a hint for me..

Failed to provision compute for custom code. Request failed with error 'Code: BadRequest. Message: script.csx(96,49): error CS1503: Argument 1: cannot convert from 'System.Net.Http.MultipartFormDataContent' to 'System.Net.Http.HttpRequestMessage'.'. The correlation Id is '80848aa7-f551-41e7-a98e-bb3a27eb5386'.

public class Script : ScriptBase
{
public override async Task<HttpResponseMessage> ExecuteAsync()
{
 // Check if the operation ID matches what is specified in the OpenAPI definition of the connector
 Context.Logger.LogTrace("Script started");
 if (this.Context.OperationId == "UploadFile_Lexoffice")
 {
 //Context.Logger.LogInformation($"Operation [{Context.OperationId}] {Context.Request.Method} {Context.Request.RequestUri} was called.");
 return await this.UploadFile().ConfigureAwait(false);
 }

 // Handle an invalid operation ID
 Context.Logger.LogError($"Unknown operation ID '{this.Context.OperationId}'");
 HttpResponseMessage response = new HttpResponseMessage(HttpStatusCode.BadRequest);
 response.Content = CreateJsonContent($"Unknown operation ID '{this.Context.OperationId}'");
 return response;
}

private async Task<HttpResponseMessage> UploadFile()
{
 Context.Logger.LogTrace("AdjustBodytoMultiForm");
 // get requestContent and parse object
 var requestContentAsString = await this.Context.Request.Content.ReadAsStringAsync().ConfigureAwait(false);
 var requestContentAsJson = JObject.Parse(requestContentAsString);

 // Set
 const string quote = "\"";
 //receive Value from request
 var fileType = (string)requestContentAsJson["fileType"];
 var fileTitle = (string)requestContentAsJson["fileTitle"];
 var contentType = (string)requestContentAsJson["contentType"];
 var content = (string)requestContentAsJson["content"];

 //set fileObjects
 var fileContent = new JObject()
 {
 {"$content-type" , contentType},
 {"$content" , content}
 };

 //multiform Binary file record
 var fileContentBytes = Encoding.UTF8.GetBytes(fileContent.ToString());
 var binaryFile = new ByteArrayContent(Encoding.UTF8.GetBytes(fileContent.ToString()),0,fileContentBytes.Length);
 binaryFile.Headers.ContentDisposition = new ContentDispositionHeaderValue("form-data");
 binaryFile.Headers.ContentDisposition.Name = "\"file\"";
 binaryFile.Headers.ContentDisposition.FileName = quote + fileTitle + quote;

 //Set FileType record
 var fileTypeRecord = new StringContent(fileType);
 fileTypeRecord.Headers.ContentDisposition = new ContentDispositionHeaderValue("form-data");
 fileTypeRecord.Headers.ContentDisposition.Name = "\"type\"";
 fileTypeRecord.Headers.ContentType = null;

 // Set MultiFormBody
 MultipartFormDataContent multiFormBody = new MultipartFormDataContent();
 multiFormBody.Add(fileTypeRecord);
 multiFormBody.Add(binaryFile);

 this.Context.Request.Content = multiFormBody;
 //Context.Logger.LogTrace("multiformString "+ await this.Context.Request.Content.ReadAsStringAsync());
 Context.Logger.LogTrace("contextRequest "+ this.Context.Request.ToString());

 // Make API request
 var response = await this.Context.SendAsync(multiFormBody, this.CancellationToken).ConfigureAwait(continueOnCapturedContext: false);

 // Update response
 var responseContentAsString = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
 var responseContentAsJson = JObject.Parse(responseContentAsString);
 response.Content = CreateJsonContent(responseContentAsJson.ToString());
 Context.Logger.LogTrace("responseBody " + response.ToString());

 return response;
}
}

Categories:

Using connectors