static string GetCachedOrDownloadImage(Uri url)
{
if (url == null)
{
return(string.Empty);
}
try
{
using (var md5 = new System.Security.Cryptography.MD5CryptoServiceProvider())
{
string iconUrlHash = BitConverter.ToString(md5.ComputeHash(UTF8Encoding.UTF8.GetBytes(url.ToString())));
string thumbsPath = ServiceRegistration.Get <IPathManager>().GetPath(@"<DATA>\News\Thumbs");
if (!System.IO.Directory.Exists(thumbsPath))
{
System.IO.Directory.CreateDirectory(thumbsPath);
}
string originalExtension = System.IO.Path.GetExtension(url.LocalPath);
string extension = originalExtension.ToLower() == ".gif" ? ".png" : originalExtension;
string fileName = System.IO.Path.Combine(thumbsPath, iconUrlHash) + extension;
if (!System.IO.File.Exists(fileName))
{
using (var client = new CompressionWebClient())
{
if (extension == originalExtension)
{
client.DownloadFile(url, fileName);
}
else
{
using (var imageData = client.OpenRead(url))
{
System.Drawing.Image image = System.Drawing.Image.FromStream(imageData, true, true);
image.Save(fileName, System.Drawing.Imaging.ImageFormat.Png);
}
}
}
}
return(fileName);
}
}
catch (Exception ex)
{
ServiceRegistration.Get <ILogger>().Warn("Error downloading image for feed or item '{0}': {1}", url.ToString(), ex);
return(string.Empty);
}
}
static string GetCachedOrDownloadImage(Uri url)
{
if (url == null)
return string.Empty;
try
{
using (var md5 = new System.Security.Cryptography.MD5CryptoServiceProvider())
{
string iconUrlHash = BitConverter.ToString(md5.ComputeHash(UTF8Encoding.UTF8.GetBytes(url.ToString())));
string thumbsPath = ServiceRegistration.Get<IPathManager>().GetPath(@"<DATA>\News\Thumbs");
if (!System.IO.Directory.Exists(thumbsPath)) System.IO.Directory.CreateDirectory(thumbsPath);
string originalExtension = System.IO.Path.GetExtension(url.LocalPath);
string extension = originalExtension.ToLower() == ".gif" ? ".png" : originalExtension;
string fileName = System.IO.Path.Combine(thumbsPath, iconUrlHash) + extension;
if (!System.IO.File.Exists(fileName))
{
using (var client = new CompressionWebClient())
{
if (extension == originalExtension)
{
client.DownloadFile(url, fileName);
}
else
{
using (var imageData = client.OpenRead(url))
{
System.Drawing.Image image = System.Drawing.Image.FromStream(imageData, true, true);
image.Save(fileName, System.Drawing.Imaging.ImageFormat.Png);
}
}
}
}
return fileName;
}
}
catch (Exception ex)
{
ServiceRegistration.Get<ILogger>().Warn("Error downloading image for feed or item '{0}': {1}", url.ToString(), ex);
return string.Empty;
}
}
