public async Task <ImageReferences> GetImageReferences(RenderingEnvironment environment)
{
var result = new ImageReferences();
// these write to different lists so it's okay to run them in parallel
await(GetOfficialImageReferences(environment, result.SKUs, result.OfficialImages),
GetCustomImageReferences(environment, result.CustomImages));
return(result);
}
private static async void SourcePropertyChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e)
{
if (e.OldValue is string oldFilePath && PreviewedFilePaths.Contains(oldFilePath))
{
PreviewedFilePaths.Remove(oldFilePath);
}
if (obj is Image image)
{
if (e.NewValue is string filePath && !String.IsNullOrEmpty(filePath))
{
FileInfo file = new FileInfo(filePath);
if (file.Exists && SupportedExtensions.Any(x => x.OrdinalEquals(file.Extension)))
{
try
{
image.Tag = filePath;
PreviewedFilePaths.Add(filePath);
int hashCode = image.GetHashCode();
if (!ImageReferences.ContainsKey(hashCode))
{
ImageReferences.Add(hashCode, new WeakReference <Image>(image));
image.Unloaded += (x, y) => { PreviewedFilePaths.Remove(image.Tag?.ToString()); };
}
if (file.Length > 1048576)
{
image.Visibility = Visibility.Collapsed;
}
image.Tag = file.FullName;
image.Source = await ReadImageAsync(file.FullName);
}
finally
{
image.Visibility = Visibility.Visible;
}
}
}
else
{
image.Tag = null;
image.Source = null;
}
}
private void ParseBodyForImageReferences()
{
if (string.IsNullOrEmpty(Body?.Value))
{
return;
}
var doc = new HtmlDocument();
try
{
doc.LoadHtml(Body.Value);
var nodes = doc?.DocumentNode?.SelectNodes("//img");
if (nodes != null)
{
foreach (var node in nodes)
{
var src = node.GetAttributeValue("src", null);
if (!string.IsNullOrEmpty(src) && src.Contains("-/media"))
{
var mediaStripped = src.Replace("-/media/", string.Empty);
var mediaId = mediaStripped.Substring(0, mediaStripped.IndexOf('.'));
if (Guid.TryParse(mediaId, out var mediaGuid))
{
ImageReferences.Add(mediaGuid.ToString("B").ToUpper());
}
}
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
