public HttpResponseMessage LeaveComment(int postId, [FromBody] CommentModel commentModel,
[ValueProvider(typeof(HeaderValueProviderFactory<string>))] string sessionKey)
{
var responseMessage = this.PerformOperationAndHandleExceptions(() =>
{
this.ValidateSessionKey(sessionKey);
if (postId < 0)
{
throw new ArgumentOutOfRangeException("Post ID must be a positive inreger number!");
}
var context = this.contextFactory.Create();
using (context)
{
var user = context.Set<User>().Where(x => x.SessionKey == sessionKey).FirstOrDefault();
if (user == null)
{
throw new InvalidOperationException("Invalid session key authentication!");
}
var post = context.Set<Post>().Where(x => x.Id == postId).FirstOrDefault();
if (post == null)
{
throw new InvalidOperationException("Invalid post ID!");
}
Comment commentToAdd = new Comment()
{
Content = commentModel.Content,
PostDate = DateTime.Now,
Post = post,
Creator = user
};
context.Set<Comment>().Add(commentToAdd);
context.SaveChanges();
var response = this.Request.CreateResponse(HttpStatusCode.OK, "Comment added!");
return response;
}
});
return responseMessage;
}
public ActionResult WriteComment(Comment comment)
{
if (comment != null)
{
var post = db.Posts.GetById(comment.Post.Id);
if (post != null)
{
comment.Post = post;
var user = db.Users.FindUser(User.Identity.GetUserId());
comment.User = user;
db.Comments.Add(comment);
db.SaveChanges();
return PartialView("_SingleComment", comment);
}
}
return PartialView("_writeComment", comment);
}
public HttpResponseMessage PostCreateComment(CommentCreateModel inputComment, string sessionKey)
{
HttpResponseMessage responseMessage = this.PerformOperationAndHandleExceptions(
() =>
{
ForumContext context = new ForumContext();
User currentUser = context.Users.FirstOrDefault(usr => usr.SessionKey == sessionKey);
Post currentPost = context.Posts.FirstOrDefault(pst => pst.Id == inputComment.PostId);
if (currentUser == null)
{
throw new ArgumentNullException("If you want to comment posts, you should be logged or registered.");
}
if (currentPost == null)
{
throw new ArgumentNullException("The post you are trying to comment, doesn't exist.");
}
Comment newComment = new Comment()
{
Author = currentUser,
Post = currentPost,
Content = inputComment.Content,
CreationDate = DateTime.Now
};
context.Comments.Add(newComment);
context.SaveChanges();
CommentModel createdComment = new CommentModel()
{
Author = newComment.Author.Username,
Content = newComment.Content,
CreationDate = newComment.CreationDate
};
return this.Request.CreateResponse(HttpStatusCode.Created, createdComment);
});
return responseMessage;
}
//public HttpResponseMessage PostNewPost(PostNewModel model)
//{
// var responseMsg = this.PerformOperationAndHandleExceptions(
// () =>
// {
// var context = new BlogSystemContext();
// using (context)
// {
// var user = context.Users.FirstOrDefault(
// usr => usr.SessionKey == sessionKey);
// if (user == null)
// {
// throw new InvalidOperationException("Invalid sessionKey");
// }
// if (model.Title == null || model.Text == null)
// {
// throw new ArgumentNullException("Post title or post text cannot be null");
// }
// string[] titleWords = model.Title.Split(
// new char[] { ' ', ',', '.', '!', '?', '\'', '(', ')' },
// StringSplitOptions.RemoveEmptyEntries);
// IList<Tag> tags = new List<Tag>();
// if (model.Tags != null)
// {
// foreach (var item in model.Tags)
// {
// var tag = context.Tags.FirstOrDefault(t => t.Name == item.ToLower());
// if (tag == null)
// {
// tag = new Tag()
// {
// Name = item.ToLower()
// };
// context.Tags.Add(tag);
// context.SaveChanges();
// }
// tags.Add(tag);
// }
// }
// foreach (var item in titleWords)
// {
// var tag = context.Tags.FirstOrDefault(t => t.Name == item.ToLower());
// if (tag == null)
// {
// tag = new Tag()
// {
// Name = item.ToLower()
// };
// context.Tags.Add(tag);
// context.SaveChanges();
// }
// tags.Add(tag);
// }
// var post = new Post()
// {
// Title = model.Title,
// Text = model.Text,
// PostDate = DateTime.Now,
// User = user,
// Tags = tags
// };
// context.Posts.Add(post);
// context.SaveChanges();
// var createdModel = new PostCreatedModel()
// {
// Id = post.Id,
// Title = post.Title
// };
// var response =
// this.Request.CreateResponse(HttpStatusCode.Created,
// createdModel);
// return response;
// }
// });
// return responseMsg;
//}
//[ActionName("comment")]
public HttpResponseMessage PutComment(int id, CommentModel model,
[ValueProvider(typeof(HeaderValueProviderFactory<string>))] string sessionKey)
{
var responseMsg = this.PerformOperationAndHandleExceptions(
() =>
{
var context = new ForumContext();
using (context)
{
var post = context.Posts.FirstOrDefault(p => p.Id == id);
if (post == null)
{
throw new InvalidOperationException("Invalid id");
}
var user = context.Users.FirstOrDefault(u => u.SessionKey == sessionKey);
//var user = context.Users.FirstOrDefault(u => u.Id == 2);
if (user == null)
{
throw new InvalidOperationException("Invalid sessionKey");
}
if (model.Text == null)
{
throw new ArgumentNullException("Comment text cannot be null");
}
var comment = new Comment()
{
Text = model.Text,
Creator = user,
CreatedOn = DateTime.Now,
Post = post
};
context.Comments.Add(comment);
context.SaveChanges();
var response =
this.Request.CreateResponse(HttpStatusCode.OK, "NULL");
return response;
}
});
return responseMsg;
}
