// PUT api/Posts/5
public HttpResponseMessage PutPost(Post post)
{
_db.Posts.Remove(_db.Posts.Include(p => p.Tags).Include(p => p.Comments).SingleOrDefault(p => p.Id == post.Id));
post.Id = post.Id;
UpdateTag(post);
_db.Posts.Add(post);
_db.SaveChanges();
return Request.CreateResponse(HttpStatusCode.OK);
}
// POST api/Posts
public HttpResponseMessage PostPost(Post post)
{
post.DateCreated = DateTime.Now;
UpdateTag(post);
post.Id = Guid.NewGuid();
_db.Posts.Add(post);
_db.SaveChanges();
var response = Request.CreateResponse(HttpStatusCode.Created, post);
response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = post.Id }));
return response;
}
// update or insert tag depend if tag exist or not
private Post UpdateTag(Post post)
{
var tagList = post.Tags.ToList();
post.Tags.Clear();
foreach (var tag in tagList)
{
var tagText = tag.TagText.Trim();
if (!string.IsNullOrWhiteSpace(tagText))
{
var tagDb = _db.Tags.FirstOrDefault(t => t.TagText == tagText);
if (tagDb != null)
{
post.Tags.Add(tagDb);
}
else
{
post.Tags.Add(new Tag{ TagText = tagText });
}
}
}
return post;
}
