private async Task ImportFirstImageAsync(IContentBase postNode, IContentType postType, BlogMLPost post)
{
var imageMimeTypes = new List <string> {
"image/jpeg", "image/gif", "image/png"
};
var attachment = post.Attachments.FirstOrDefault(p => imageMimeTypes.Contains(p.MimeType));
if (attachment == null)
{
return;
}
var imageSaved = false;
if (!attachment.Content.IsNullOrWhiteSpace())
{
//the image is base64
var bytes = Convert.FromBase64String(attachment.Content);
using (var stream = new MemoryStream(bytes))
{
postNode.SetInvariantOrDefaultCultureValue(_contentTypeBaseServiceProvider, "postImage", attachment.Url.OriginalString, stream, postType, _localizationService);
imageSaved = true;
}
}
else if (attachment.ExternalUri != null && attachment.ExternalUri.IsAbsoluteUri)
{
try
{
using (var client = new HttpClient())
{
using (var stream = await client.GetStreamAsync(attachment.ExternalUri))
{
postNode.SetInvariantOrDefaultCultureValue(_contentTypeBaseServiceProvider, "postImage", Path.GetFileName(attachment.ExternalUri.AbsolutePath), stream, postType, _localizationService);
imageSaved = true;
}
}
}
catch (Exception exception)
{
_logger.Error <BlogMlImporter>(exception, "Exception retrieving {AttachmentUrl}; post {PostId}", attachment.Url, post.Id);
}
}
if (imageSaved)
{
//this is a work around for the SetValue method to save a file, since it doesn't currently take into account the image cropper
//which we are using so we need to fix that.
var propType = postNode.Properties["postImage"].PropertyType;
var cropperValue = CreateImageCropperValue(propType, postNode.GetValue("postImage"), _dataTypeService);
postNode.SetInvariantOrDefaultCultureValue("postImage", cropperValue, postType, _localizationService);
}
}