/// <summary>
/// Attempts to add redirect information to the given content item.
/// </summary>
/// <param name="content">The content that is being moved.</param>
/// <param name="contentService">The content service responsible for operations involving <see cref="IContent"/></param>
/// <param name="alias">The property editor alias.</param>
/// <param name="helper">The <see cref="UmbracoHelper"/> that provides access to the published content cache.</param>
private void AddRedirect(IContent content, IContentService contentService, string alias, UmbracoHelper helper)
{
// TODO: Probably don't need the second check for recycle bin.
if (content.HasPublishedVersion && content.Id != UmbracoConstants.System.RecycleBinContent)
{
// The old url still exists in the published content cache.
IPublishedContent publishedVersion = helper.TypedContent(content.Id);
string url = publishedVersion.UrlAbsolute();
PropertyCollection props = content.Properties;
// Grab the first property that matches our property editor alias.
if (props.Any(p => p.PropertyType.PropertyEditorAlias.Equals(alias)))
{
Property prop = props.First(p => p.PropertyType.PropertyEditorAlias.Equals(alias));
List <BloodhoundUrlRewrite> rewrites;
try
{
rewrites = JsonConvert.DeserializeObject <List <BloodhoundUrlRewrite> >(prop.Value.ToString());
}
catch
{
rewrites = new List <BloodhoundUrlRewrite>();
}
// Add a new rewrite to track the change then save/publish.
if (!rewrites.Any(r => r.RewriteUrl.InvariantEquals(url)))
{
rewrites.Add(new BloodhoundUrlRewrite {
RewriteUrl = url
});
}
content.SetValue(prop.Alias, JsonConvert.SerializeObject(rewrites.Distinct()));
Attempt <PublishStatus> attempt = contentService.SaveAndPublishWithStatus(content);
if (attempt.Exception != null)
{
LogHelper.Error <BloodhoundApplicationEvents>(
$"Unable to update redirect url for content node with id {content.Id}",
attempt.Exception);
}
// Recursively check for any children
IEnumerable <IContent> children = content.Children().ToList();
if (children.Any())
{
foreach (IContent child in children)
{
this.AddRedirect(child, contentService, alias, helper);
}
}
}
}
}