private void AddEnclosure(
SyndicationItem syndicationItem,
Sitecore.Data.Items.Item item,
Sitecore.Syndication.FeedRenderingParameters parameters)
{
Sitecore.Diagnostics.Assert.ArgumentNotNull(syndicationItem, "syndicationItem");
Sitecore.Diagnostics.Assert.ArgumentNotNull(item, "item");
Sitecore.Diagnostics.Assert.ArgumentNotNull(parameters, "parameters");
Sitecore.Data.Fields.LinkField field = item.Fields[parameters.EnclosureField];
if (field != null)
{
Sitecore.Data.Items.MediaItem targetItem = field.TargetItem;
if (targetItem != null)
{
Sitecore.Resources.Media.MediaUrlOptions options = new Sitecore.Resources.Media.MediaUrlOptions
{
AbsolutePath = true,
UseItemPath = true
};
string mediaUrl = Sitecore.Resources.Media.MediaManager.GetMediaUrl(item, options);
if (!String.IsNullOrEmpty(mediaUrl))
{
mediaUrl = Sitecore.Web.WebUtil.GetFullUrl(mediaUrl);
string size = targetItem.Size.ToString();
string mimeType = targetItem.MimeType;
syndicationItem.ElementExtensions.Add(
String.Format("enclosure url=\"{0}\" length=\"{1}\" type=\"{2}\"", mediaUrl, size, mimeType), String.Empty, String.Empty);
}
}
}
}
public override SyndicationItem RenderItem()
{
Sitecore.Data.Items.Item item = this.GetItem();
Sitecore.Diagnostics.Assert.IsNotNull(item, "item");
Sitecore.Syndication.FeedRenderingParameters feedParams =
Sitecore.Syndication.FeedRenderingParameters.Parse(this.Parameters);
SyndicationItem syndicationItem = new SyndicationItem
{
Id = item.ID.ToString()
};
if (!String.IsNullOrEmpty(feedParams.TitleField))
{
syndicationItem.Title = new TextSyndicationContent(
RenderField(item, feedParams.TitleField),
TextSyndicationContentKind.Plaintext);
}
if (!String.IsNullOrEmpty(feedParams.BodyField))
{
syndicationItem.Content = new TextSyndicationContent(
RenderField(item, feedParams.BodyField),
TextSyndicationContentKind.Html);
}
this.AddLink(item, syndicationItem);
if (!String.IsNullOrEmpty(feedParams.DateField))
{
this.RenderDate(item, feedParams, syndicationItem);
}
if (!String.IsNullOrEmpty(feedParams.AuthorField))
{
syndicationItem.Authors.Add(new SyndicationPerson(item[feedParams.AuthorField]));
}
if (!String.IsNullOrEmpty(feedParams.EnclosureField))
{
this.AddEnclosure(syndicationItem, item, feedParams);
}
return(syndicationItem);
}
private void RenderDate(
Sitecore.Data.Items.Item item,
Sitecore.Syndication.FeedRenderingParameters feedParams,
SyndicationItem syndicationItem)
{
DateTimeOffset minValue;
DateTime dateTime = DateUtil.IsoDateToDateTime(item[feedParams.DateField], DateTime.MaxValue);
if (dateTime == DateTime.MaxValue)
{
Sitecore.Diagnostics.Log.Warn(
"RSS couldn't parse date from the '{0}' field on the {1} item. Using item updated date instead.".FormatWith(new object[] { feedParams.DateField, item.Uri }), this);
dateTime = item.Statistics.Updated;
}
try
{
if (dateTime == DateTime.MinValue)
{
minValue = DateTimeOffset.MinValue;
}
else if (dateTime == DateTime.MaxValue)
{
minValue = DateTimeOffset.MaxValue;
}
else
{
minValue = new DateTimeOffset(dateTime);
}
}
catch (ArgumentOutOfRangeException)
{
minValue = DateTimeOffset.Now;
}
syndicationItem.PublishDate = minValue;
}
