public static string ThumbnailFromSubmissionModel(Message submissionModel)
{
var extension = Path.GetExtension(submissionModel.MessageContent);
// this is a direct link to image
if (extension != String.Empty)
{
if (extension == ".jpg" || extension == ".JPG" || extension == ".png" || extension == ".PNG" || extension == ".gif" || extension == ".GIF")
{
try
{
var thumbFileName = GenerateThumbFromUrl(submissionModel.MessageContent);
return thumbFileName;
}
catch (Exception)
{
// thumnail generation failed, skip adding thumbnail
return null;
}
}
// try generating a thumbnail by using the Open Graph Protocol
try
{
var graphUri = new Uri(submissionModel.MessageContent);
var graph = OpenGraph.ParseUrl(graphUri, userAgent: "Voat.co OpenGraph Parser");
// open graph failed to find og:image element, abort thumbnail generation
if (graph.Image == null) return null;
var thumbFileName = GenerateThumbFromUrl(graph.Image.ToString());
return thumbFileName;
}
catch (Exception)
{
// thumnail generation failed, skip adding thumbnail
return null;
}
}
// this is not a direct link to an image, it could be a link to an article or video
// try generating a thumbnail by using the Open Graph Protocol
try
{
var graphUri = new Uri(submissionModel.MessageContent);
var graph = OpenGraph.ParseUrl(graphUri, userAgent: "Voat.co OpenGraph Parser");
// open graph failed to find og:image element, abort thumbnail generation
if (graph.Image == null) return null;
var thumbFileName = GenerateThumbFromUrl(graph.Image.ToString());
return thumbFileName;
}
catch (Exception)
{
// thumnail generation failed, skip adding thumbnail
return null;
}
}
public static string ThumbnailFromSubmissionModel(Message submissionModel)
{
var extension = Path.GetExtension(submissionModel.MessageContent);
// this is a direct link to image
if (extension != String.Empty)
{
if (extension == ".jpg" || extension == ".JPG" || extension == ".png" || extension == ".PNG" || extension == ".gif" || extension == ".GIF")
{
try
{
var thumbFileName = GenerateThumbFromUrl(submissionModel.MessageContent);
return(thumbFileName);
}
catch (Exception)
{
// thumnail generation failed, skip adding thumbnail
return(null);
}
}
// try generating a thumbnail by using the Open Graph Protocol
try
{
var graphUri = new Uri(submissionModel.MessageContent);
var graph = OpenGraph.ParseUrl(graphUri, userAgent: "Voat.co OpenGraph Parser");
// open graph failed to find og:image element, abort thumbnail generation
if (graph.Image == null)
{
return(null);
}
var thumbFileName = GenerateThumbFromUrl(graph.Image.ToString());
return(thumbFileName);
}
catch (Exception)
{
// thumnail generation failed, skip adding thumbnail
return(null);
}
}
// this is not a direct link to an image, it could be a link to an article or video
// try generating a thumbnail by using the Open Graph Protocol
try
{
var graphUri = new Uri(submissionModel.MessageContent);
var graph = OpenGraph.ParseUrl(graphUri, userAgent: "Voat.co OpenGraph Parser");
// open graph failed to find og:image element, abort thumbnail generation
if (graph.Image == null)
{
return(null);
}
var thumbFileName = GenerateThumbFromUrl(graph.Image.ToString());
return(thumbFileName);
}
catch (Exception)
{
// thumnail generation failed, skip adding thumbnail
return(null);
}
}
