public async static System.Threading.Tasks.Task <string> httpPost(string url, string username, string token, File file)
{
Bridge.Html5.XMLHttpRequest _http = new XMLHttpRequest();
_http.Open("post", url, true);
string returnv = "";
_http.OnReadyStateChange = () =>
{
if (_http.ReadyState == AjaxReadyState.Done)
{
returnv = _http.ResponseText;
}
};
FormData formdata = new FormData();
formdata.Append(file.Name, file);
formdata.Append("user", username);
formdata.Append("token", token);
_http.Send(formdata);
while (_http.ReadyState != AjaxReadyState.Done)
{
await System.Threading.Tasks.Task.Delay(100);
}
return(returnv);
}
public static Task <ResultHolder <XMLHttpRequest> > Upload(
string interfaceName, string methodName, IEnumerable <Bridge.Html5.File> uploaded,
FileUploadOperation operation, RemoteFileId toReplaceOrRemoveId, string jsonizedInput)
{
//for FormData upload see https://stackoverflow.com/questions/6133800/html5-file-api-readasbinarystring-reads-files-as-much-larger-different-than-fil/6142797#6142797
var uploadData = new FormData();
uploaded.ForEachI((i, x) => uploadData.Append("file" + i, x));
uploadData.Append("operation", ((int)operation).ToString());
uploadData.Append("toReplaceOrRemoveId", JSON.Stringify(toReplaceOrRemoveId));
uploadData.Append("i", jsonizedInput);
return(Task.FromPromise <ResultHolder <XMLHttpRequest> >(
new XMLHttpRequestImplementingIPromise("POST", $"/{interfaceName}/{methodName}", uploadData),
(Func <ResultHolder <XMLHttpRequest>, ResultHolder <XMLHttpRequest> >)(x => x)));
}
static void SendFile(ButtonIcon bt, FileInput input)
{
bt.Disabled = true;
var fd = new FormData ();
fd.Append ("userfile", input.Files [0]);
var rq = fd.Send ("SaveFileUrl");
rq.Done (() => "File Uploaded".LogSuccess (5000));
rq.Fail (()=> "{0}:{1}".Fmt(rq.Status, rq.StatusText).LogError());
rq.Always (() => bt.Disabled=false);
}
// sample entry
static void Main()
{
#region setup ocr url and api key
var strOcrBaseUri = ConfigurationManager.AppSettings["ocrBaseUri"];
var dicHeader = new Dictionary <string, string>
{
{ "x-api-key", ConfigurationManager.AppSettings["x-api-key"] }
};
#endregion
#region 1. upload file
Console.WriteLine("-----------------------------------------------------------------------");
Console.WriteLine("1. Upload file...");
var formData = new FormData();
formData.Append("method", EnumOcrFileMethod.Upload.ToString());
formData.Append("file", Comm.GetFileData("example.jpg"), "example.jpg");
HttpWebResponse httpWebResponse;
RestfulApiBasicResponse restfulApiResponse;
try
{
httpWebResponse = HttpMultiPartRequest.Post(strOcrBaseUri, dicHeader, formData);
restfulApiResponse = RestfulApiResponseParser.Parse(httpWebResponse, EnumOcrFileMethod.Upload);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.ReadKey();
return;
}
string strFileName;
if (!HandleRestfulApiResponse(restfulApiResponse, EnumOcrFileMethod.Upload, out strFileName))
{
return;
}
#endregion
#region 2. recognize the uploaded file
Console.WriteLine("{0}-----------------------------------------------------------------------", Environment.NewLine);
Console.WriteLine("2. Recognize the uploaded file...");
formData.Clear();
formData.Append("method", EnumOcrFileMethod.Recognize);
formData.Append("file_name", strFileName);
formData.Append("language", "eng");
formData.Append("output_format", "UFormattedTxt");
formData.Append("page_range", "1-10");
try
{
httpWebResponse = HttpMultiPartRequest.Post(strOcrBaseUri, dicHeader, formData);
restfulApiResponse = RestfulApiResponseParser.Parse(httpWebResponse, EnumOcrFileMethod.Recognize) as RestfulApiRecognizationResponse;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.ReadKey();
return;
}
if (!HandleRestfulApiResponse(restfulApiResponse, EnumOcrFileMethod.Recognize, out strFileName))
{
return;
}
#endregion
#region 3. download the recognized file
Console.WriteLine("{0}-----------------------------------------------------------------------", Environment.NewLine);
Console.WriteLine("3. Download the recognized file...");
formData.Clear();
formData.Append("method", EnumOcrFileMethod.Download);
formData.Append("file_name", strFileName);
try
{
httpWebResponse = HttpMultiPartRequest.Post(strOcrBaseUri, dicHeader, formData);
restfulApiResponse = RestfulApiResponseParser.Parse(httpWebResponse, EnumOcrFileMethod.Download) as RestfulApiDownloadResponse;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.ReadKey();
return;
}
if (!HandleRestfulApiResponse(restfulApiResponse, EnumOcrFileMethod.Download, out strFileName))
{
return;
}
#endregion
Console.ReadKey();
}