/// <summary>
/// This method generates Tags for the Image
/// </summary>
/// <param name="filename"></param>
/// <returns></returns>
public string GenerateTags(string filename)
{
try
{
string resStr = string.Empty;
ImageTagResponse response = null;
var uri = AppConfiguration.GetConfiguration("ApiUrl");
var imgUrl = filename;
var objRequest = new
{
url = imgUrl
};
using (var client = new HttpClient())
{
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", AppConfiguration.GetConfiguration("ApiKey"));
StringContent content = new StringContent(JsonConvert.SerializeObject(objRequest), Encoding.UTF8, "application/json");
// HTTP POST
HttpResponseMessage resMsg = client.PostAsync(uri, content).Result;
if (resMsg.IsSuccessStatusCode)
{
resStr = resMsg.Content.ReadAsStringAsync().Result;
response = JsonConvert.DeserializeObject <ImageTagResponse>(resStr);
}
}
return(resStr);
}
catch (Exception ex)
{
Logger.writelog(ex.Message);
return("");
}
}
public ImageTagResponse Upload()
{
ImageTagResponse responseModel = new ImageTagResponse();
try
{
var files = Request.Form.Files;
if (files == null && files.Count <= 0)
{
return(null);
}
var extension = Path.GetExtension(files[0].FileName);
var fileName = string.Format(@"{0}" + extension, Guid.NewGuid());
string mimeType = files[0].ContentType;
byte[] fileBytes;
using (var ms = new MemoryStream())
{
files[0].CopyTo(ms);
fileBytes = ms.ToArray();
}
BlobStorageService objBlobService = new BlobStorageService();
Image image = new Image
{
Path = objBlobService.UploadFileToBlob(fileName, fileBytes, mimeType),
Name = fileName,
CreateDate = DateTime.Now,
LastModified = DateTime.Now,
ExternalKey = _externalKey
};
string tagResult = objBlobService.GenerateTags(image.Path);
image.Tags = tagResult;
_context.ImageRepo.Add(image);
_context.SaveChanges();
var resultId = image.ImageId;
if (!string.IsNullOrWhiteSpace(tagResult))
{
responseModel = JsonConvert.DeserializeObject <ImageTagResponse>(tagResult);
}
if (responseModel != null)
{
responseModel.ImageId = resultId;
}
}
catch (Exception ex)
{
Logger.writelog(ex.Message);
responseModel = null;
}
return(responseModel);
}
