public async Task AddComment(string BlogPostID, string comment)
{
XDocument doc = new XDocument(
new XElement("comment",
new XElement("BlogPostID", BlogPostID),
new XElement("comment", comment)
));
var id = Directory.GetFiles(ApplicationContext.CommentsFolder).Length + 1;//auto increment
using (FileStream fs = new FileStream(ApplicationContext.CommentsFolder + @"\" + id + ".xml", FileMode.Create, FileAccess.ReadWrite))
{
await doc.SaveAsync(fs, SaveOptions.None, CancellationToken.None).ConfigureAwait(false);
}
BlogPostComment blogComment = new BlogPostComment
{
ID = id.ToString(),
BlogPostID = BlogPostID,
Comment = comment
};
var posts = GetCachedPosts();
posts.Where(p => p.ID == BlogPostID)
.Select(p => { p.Comments.Add(blogComment); return(p); })
.ToList();
Sort(ref posts);
cache.Set(BLOG_POSTS, posts);
}
/*
* Retrieve blogposts and comments from XML and store them separately in the cachce
*/
private void LoadFromDisk()
{
List <BlogPost> posts = new List <BlogPost>();
List <BlogPostComment> comments = new List <BlogPostComment>();
foreach (string file in Directory.EnumerateFiles(ApplicationContext.PostsFolder, "*.xml", SearchOption.TopDirectoryOnly))
{
XElement doc = XElement.Load(file);
BlogPost post = new BlogPost
{
ID = Path.GetFileNameWithoutExtension(file),
Title = ReadValue(doc, "title"),
Excerpt = ReadValue(doc, "excerpt"),
Content = ReadValue(doc, "content"),
Slug = ReadValue(doc, "slug").ToLowerInvariant(),
PubDate = DateTime.Parse(ReadValue(doc, "pubDate")),
LastModified = DateTime.Parse(ReadValue(doc, "lastModified", DateTime.Now.ToString(CultureInfo.InvariantCulture))),
IsPublished = bool.Parse(ReadValue(doc, "ispublished", "true")),
NumberOfLikes = Convert.ToInt32(ReadValue(doc, "numberOfLikes")),
};
posts.Add(post);
}
foreach (string file in Directory.EnumerateFiles(ApplicationContext.CommentsFolder, "*.xml", SearchOption.TopDirectoryOnly))
{
XElement doc = XElement.Load(file);
BlogPostComment comment = new BlogPostComment
{
ID = Path.GetFileNameWithoutExtension(file),
BlogPostID = ReadValue(doc, "BlogPostID"),
Comment = ReadValue(doc, "comment"),
};
comments.Add(comment);
}
posts = AssignCommentsToPosts(posts, comments);
Sort(ref posts);
cache.Set(BLOG_POSTS, posts);
}