public static PostModel PostToPostModel(Post post)
{
PostModel postModel = new PostModel()
{
Content = post.Content,
PostDate = post.PostDate,
PostedBy = post.Author.Nickname
};
double averageVote = 0;
double sumVotes = 0;
foreach (var vote in post.Votes)
{
sumVotes += vote.Value;
}
averageVote = sumVotes / post.Votes.Count;
postModel.Rating = averageVote.ToString();
return postModel;
}
public static ThreadDetailModel ThreadToThreadDetailModel(Thread thread)
{
var threadModel = new ThreadDetailModel()
{
Content = thread.Content,
DateCreated = thread.DateCreated,
ThreadId = thread.ThreadId,
Title = thread.Title,
};
foreach (var category in thread.Categories)
{
threadModel.Categories.Add(category.Name);
}
foreach (var post in thread.Posts)
{
var postModel = new PostModel()
{
Content = post.Content,
PostDate = post.PostDate,
PostedBy = post.Author.Nickname
};
double averageVote = 0;
double sumVotes = 0;
foreach (var vote in post.Votes)
{
sumVotes += vote.Value;
}
averageVote = sumVotes/post.Votes.Count;
postModel.Rating = averageVote.ToString();
threadModel.Posts.Add(postModel);
}
threadModel.CreatedBy = thread.User == null ? null : thread.User.Nickname;
return threadModel;
}
// POST api/posts
public HttpResponseMessage Post(PostModel value, [ValueProvider(typeof(HeaderValueProviderFactory<string>))] string sessionKey)
{
var responceMsg = this.PerformOperationAndHandleExceptions(() =>
{
var context = new ForumDbContext();
using (context)
{
var user = context.Users.FirstOrDefault(usr => usr.SessionKey == sessionKey
&& usr.Nickname == value.PostedBy);
if (user == null)
{
throw new InvalidOperationException("Invalid username and password.");
}
Post newPost = new Post()
{
PostDate = DateTime.Now,
PostContent = value.Content,
Thread = context.Threads.FirstOrDefault(x => x.Id == value.ThreadId),
User = user
};
context.Posts.Add(newPost);
context.SaveChanges();
//newPost.User = null;
var responce = this.Request.CreateResponse(HttpStatusCode.Created);
return responce;
}
});
return responceMsg;
}
public HttpResponseMessage PostCreate(PostRegisterModel inputPost, string sessionKey)
{
HttpResponseMessage responseMessage = this.PerformOperationAndHandleExceptions(
() =>
{
ForumContext context = new ForumContext();
using(context)
{
User currentUser = context.Users.FirstOrDefault(usr => usr.SessionKey == sessionKey);
int currentCategoryId = inputPost.CurrentCategoryId;
Category currentCategory = context.Categories.FirstOrDefault(cat => cat.Id == currentCategoryId);
if(currentUser == null)
{
throw new ArgumentNullException("You should be logged or registered to create new posts.");
}
if(currentCategory == null)
{
throw new ArgumentNullException("You try to create post in non-existing category.");
}
Post newPost = new Post()
{
Author = currentUser,
Category = currentCategory,
Content = inputPost.Content,
CreationDate = DateTime.Now,
Title = inputPost.Title
};
foreach(string tagName in inputPost.Tags)
{
Tag currentTag = context.Tags.FirstOrDefault(t => t.Name == tagName);
if(currentTag == null)
{
currentTag = new Tag()
{
Name = tagName
};
context.Tags.Add(currentTag);
context.SaveChanges();
newPost.Tags.Add(currentTag);
}
else
{
newPost.Tags.Add(currentTag);
}
}
context.Posts.Add(newPost);
context.SaveChanges();
var resultPost = new PostModel
{
Id = newPost.Id,
Content = newPost.Content,
CategoryName = newPost.Category.Title,
CategoryId = newPost.Category.Id,
CreationDate = newPost.CreationDate,
Tags = (from t in newPost.Tags
select t.Name),
Title = newPost.Title,
Author = newPost.Author.Username
};
HttpResponseMessage response = this.Request.CreateResponse(HttpStatusCode.Created, resultPost);
return response;
}
});
return responseMessage;
}
