// update image field in DB
public async Task <int> updateImage(DocImage docImage)
{
Dictionary <string, string> parameters = new Dictionary <string, string>();
string method = "DocImage/UpdateImage";
var myContent = JsonConvert.SerializeObject(docImage);
parameters.Add("Object", myContent);
return(await APIResult.post(method, parameters));
//string message = "";
//// ... Use HttpClient.
//ServicePointManager.ServerCertificateValidationCallback += (sender, cert, chain, sslPolicyErrors) => true;
//string myContent = JsonConvert.SerializeObject(docImage);
//using (var client = new HttpClient())
//{
// ServicePointManager.SecurityProtocol |= SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
// client.BaseAddress = new Uri(Global.APIUri);
// client.DefaultRequestHeaders.Clear();
// client.DefaultRequestHeaders.Add("Connection", "Keep-Alive");
// client.DefaultRequestHeaders.Add("Keep-Alive", "3600");
// HttpRequestMessage request = new HttpRequestMessage();
// // encoding parameter to get special characters
// myContent = HttpUtility.UrlEncode(myContent);
// request.RequestUri = new Uri(Global.APIUri + "DocImage/UpdateImage?docImageObject=" + myContent);
// request.Headers.Add("APIKey", Global.APIKey);
// request.Method = HttpMethod.Post;
// //set content type
// client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
// var response = await client.SendAsync(request);
// if (response.IsSuccessStatusCode)
// {
// message = await response.Content.ReadAsStringAsync();
// message = JsonConvert.DeserializeObject<string>(message);
// }
// return message;
//}
}
public async Task <Boolean> uploadImage(string imagePath, string tableName, int docImageId)
{
if (imagePath != "")
{
string imageName = Md5Encription.MD5Hash(tableName + docImageId.ToString());
MultipartFormDataContent form = new MultipartFormDataContent();
// get file extension
var ext = imagePath.Substring(imagePath.LastIndexOf('.'));
var extension = ext.ToLower();
string fileName = imageName + extension;
try
{
// configure trmporery path
string dir = Directory.GetCurrentDirectory();
string tmpPath = Path.Combine(dir, Global.TMPFolder);
string[] files = System.IO.Directory.GetFiles(tmpPath, imageName + ".*");
foreach (string f in files)
{
System.IO.File.Delete(f);
}
tmpPath = Path.Combine(tmpPath, imageName + extension);
if (imagePath != tmpPath) // edit mode
{
// resize image
ImageProcess imageP = new ImageProcess(150, imagePath);
imageP.ScaleImage(tmpPath);
// read image file
var stream = new FileStream(tmpPath, FileMode.Open, FileAccess.Read);
// create http client request
using (var client = new HttpClient())
{
client.BaseAddress = new Uri(Global.APIUri);
client.Timeout = System.TimeSpan.FromSeconds(3600);
string boundary = string.Format("----WebKitFormBoundary{0}", DateTime.Now.Ticks.ToString("x"));
HttpContent content = new StreamContent(stream);
content.Headers.ContentType = MediaTypeHeaderValue.Parse("multipart/form-data");
content.Headers.Add("client", "true");
content.Headers.ContentDisposition = new ContentDispositionHeaderValue("form-data")
{
Name = imageName,
FileName = fileName
};
form.Add(content, "fileToUpload");
var response = await client.PostAsync(@"DocImage/PostImage", form);
//if (response.IsSuccessStatusCode)
//{
// // save image name in DB
// DocImage docImage = new DocImage();
// docImage.id = docImageId;
// docImage.image = fileName;
// await updateImage(docImage);
// //await save();
// return true;
//}
}
stream.Dispose();
}
// save image name in DB
DocImage docImage = new DocImage();
docImage.id = docImageId;
docImage.image = fileName;
await updateImage(docImage);
return(true);
}
catch
{ return(false); }
}
return(false);
}
