protected internal virtual async Task <string> GetProcessedImageUrlAsync(
object source, // byte[], string or Picture
string seoFileName,
string extension,
int targetSize = 0,
string storeLocation = null)
{
var resizeSettings = new ResizeSettings();
if (targetSize > 0)
{
resizeSettings.MaxWidth = targetSize;
resizeSettings.MaxHeight = targetSize;
}
var picture = source as Picture;
var cachedImage = _imageCache.GetCachedImage(
picture?.Id,
seoFileName,
extension,
resizeSettings);
if (!cachedImage.Exists)
{
byte[] buffer = null;
try
{
if (source is string)
{
// static default image
buffer = File.ReadAllBytes((string)source);
}
else if (source is Picture)
{
buffer = await LoadPictureBinaryAsync((Picture)source);
}
else if (source is byte[])
{
buffer = (byte[])source;
}
if (buffer == null || buffer.Length == 0)
{
return(string.Empty);
}
}
catch (Exception exception)
{
_logger.ErrorFormat(exception, "Error reading media file '{0}'.", source);
return(string.Empty);
}
try
{
await _imageCache.ProcessAndAddImageToCacheAsync(cachedImage, buffer, targetSize);
}
catch (Exception exception)
{
_logger.ErrorFormat(exception, "Error processing/writing media file '{0}'.", cachedImage.Path);
return(string.Empty);
}
}
var url = _imageCache.GetImageUrl(cachedImage.Path, storeLocation);
return(url);
}
