SyndicationItem GetAtomItem(AtompubViewModel vm, Post post)
{
string authorEmail = post.Email;
string authorName = post.Author;
if (string.IsNullOrWhiteSpace(authorEmail) && string.IsNullOrWhiteSpace(authorName)) {
authorEmail = vm.ContactEmail;
authorName = vm.ContactName;
}
var entry = new SyndicationItem() {
Content = new TextSyndicationContent(post.Content, TextSyndicationContentKind.Html),
Id = GetPostLink(post.Id),
LastUpdatedTime = post.CreationDate,
Links = {
new SyndicationLink(new Uri(GetAtomPostLink(post.Id)), "edit", null, null, 0),
new SyndicationLink(new Uri(GetPostLink(post.Id)), "alternate", null, "text/html", 0),
},
PublishDate = post.CreationDate,
Title = new TextSyndicationContent(post.Title),
Authors = { new SyndicationPerson(authorEmail, authorName, null) },
};
// Split each item category with embedded commas
if (post.Categories != null && post.Categories.Contains(',')) {
foreach (var category in post.Categories.Split(',')) {
entry.Categories.Add(new SyndicationCategory(category));
}
}
return entry;
}
ServiceDocument GetServiceDocument(AtompubViewModel vm)
{
var workspaces = new Workspace[] {
new Workspace("Default", new ResourceCollectionInfo[] {
new ResourceCollectionInfo("Posts", new Uri(Url.Action("posts"), UriKind.Relative)) { Categories = { new InlineCategoriesDocument() { IsFixed = false, Scheme = vm.CategoryScheme } } },
new ResourceCollectionInfo(new TextSyndicationContent("Images"), new Uri(Url.Action("images"), UriKind.Relative), null, new string[] { "image/*" } ),
}),
};
var doc = new ServiceDocument(workspaces);
var categories = ((InlineCategoriesDocument)doc.Workspaces[0].Collections[0].Categories[0]).Categories;
foreach (var cat in vm.PostCategories) {
categories.Add(new SyndicationCategory(cat.Name, null, cat.DisplayName));
}
return doc;
}
SyndicationFeed GetAtomFeed(AtompubViewModel vm)
{
var posts = vm.Posts.ToArray();
var feed = new SyndicationFeed() {
Authors = { new SyndicationPerson(vm.ContactEmail, vm.ContactName, vm.ContactUrl) },
ImageUrl = vm.ImageUrl,
Copyright = new TextSyndicationContent(vm.CopyrightNotice),
Description = new TextSyndicationContent(vm.About),
Id = vm.FeedId,
//Language = "en-us", // TODO: make this work
LastUpdatedTime = posts.Length == 0 ? DateTime.Now : posts[0].CreationDate,
Title = new TextSyndicationContent(vm.FeedTitle),
Items = posts.Select(p => GetAtomItem(vm, p)),
};
foreach (var cat in vm.PostCategories) {
feed.Categories.Add(new SyndicationCategory(cat.Name, vm.CategoryScheme, cat.DisplayName));
}
return feed;
}