public Post(Postkey postKey, string title, string body, Postkey parentPost, string subforum)
{
this.key = postKey;
this.title = title;
this.parentPost = parentPost;
this.subforum = subforum;
this.replies = new Dictionary<Postkey, Post>();
this.body = body;
}
public void AddPostServerTests()
{
DataManager target = new DataManager();
target.CleanForumData();
User user = new User("user", "user");
target.AddUser(user);
target.AddSubforum(new Subforum("subforumName"));
Postkey pk = new Postkey("user", DateTime.Now);
Post p = new Post(pk, "Post", "body", null, "subforumName");
bool actual = target.AddPost(p, "subforumName");
Post p2 = target.GetPost(pk);
Assert.IsTrue(actual);
Assert.AreEqual(p.Key.Time, p2.Key.Time);
Assert.AreEqual(p.Key.Username, p2.Key.Username);
Assert.AreEqual(p.Title, p2.Title);
Assert.AreEqual(p.Body, p2.Body);
target.RemoveSubforum("subforumName");
}
public bool AddReply(Post reply, Postkey originalPost)
{
Post post;
GetPost(originalPost, out post);
if (post == null)
throw new PostNotFoundException();
try
{
post.HasReplies = true;
subforumsList[post.Subforum].TotalPosts++;
post.Replies.Add(reply.Key, reply);
return true;
//return UpdatePost(oldPost);
}
catch (Exception ex)
{
throw ex;
}
}
public Result RemovePost(Postkey postkey, string username, string password)
{
return webService.RemovePost(postkey, username, password);
}
private IEnumerable<PostKeyEntity> GetPostKeyEntity(Postkey postkey)
{
IEnumerable<PostKeyEntity> postkeyQuery = from pk in ForumContext.PostKeyEntities
where pk.Username == postkey.Username &&
pk.Time.Hour == postkey.Time.Hour &&
pk.Time.Minute == postkey.Time.Minute && pk.Time.Second == postkey.Time.Second
&& pk.Time.Year == postkey.Time.Year && pk.Time.Month == postkey.Time.Month &&
pk.Time.Day == postkey.Time.Day
select pk;
return postkeyQuery;
}
public Post GetPost(Postkey postkey)
{
try
{
IEnumerable<PostEntity> postsQuery = GetPostEntity(postkey);
if (postsQuery.Count() != 1)
{
// Post wasn't found or more than one was found
return null;
}
else
{
PostEntity pe = postsQuery.First();
return PostEntityToPost(pe);
}
}
catch (Exception)
{
//TODO
throw;
}
}
public bool AddReply(Post reply, Postkey postKey)
{
try
{
// Find parent postkey:
IEnumerable<PostKeyEntity> postkeyQuery = GetPostKeyEntity(postKey);
IEnumerable<PostEntity> postQuery = GetPostEntity(postKey);
//Getting last id:
IEnumerable<int> postKeysList = (from m in ForumContext.PostKeyEntities
select m.PostKeyId);
int lastId = 0;
if (postKeysList.Count() != 0)
{
lastId = postKeysList.Max();
}
currentPostKeyId = lastId + 1;
PostKeyEntity pke = new PostKeyEntity();
pke.PostKeyId = currentPostKeyId;
pke.Username = reply.Key.Username;
pke.Time = reply.Key.Time;
ForumContext.AddToPostKeyEntities(pke);
PostEntity pe = new PostEntity();
pe.PostKeyId = currentPostKeyId;
//currentPostKeyId++;
pe.ParentPostKeyId = postkeyQuery.ElementAt(0).PostKeyId;
pe.Title = reply.Title;
pe.Body = reply.Body;
pe.SubforumName = postQuery.ElementAt(0).SubforumName;
ForumContext.AddToPostEntities(pe);
ForumContext.SaveChanges();
return true;
}
catch (Exception)
{
//TODO
throw;
}
}
public Result RemovePost(Postkey originalPostKey, string username, string password)
{
try
{
log.Info("got request to remove post " + originalPostKey);
Result res = securityManager.IsAuthorizedToEdit(username, originalPostKey, password)
| policyManager.IsAuthorizedToEdit(originalPostKey, username);
if (res == Result.OK)
if (dataManager.RemovePost(originalPostKey))
return Result.OK;
else return Result.POST_NOT_FOUND;
else return res;
}
catch (Exception e)
{
log.Error("failed to remove post " + originalPostKey, e);
throw e;
}
}
public Post GetPost(Postkey postkey)
{
try
{
log.Info("got request to get post");
return dataManager.GetPost(postkey);
}
catch (Exception e)
{
log.Error("failed to get post", e);
throw e;
}
}
public Result Reply(Postkey current, Post toPost)
{
try
{
toPost.Replies = new Dictionary<Postkey, Post>();
return controller.Reply(current, toPost);
}
catch (Exception e)
{
throw new FaultException<Exception>(e, e.Message);
}
}
public Result RemovePost(Postkey postkey, string username, string password)
{
try
{
return controller.RemovePost(postkey, username, password);
}
catch (Exception e)
{
throw new FaultException<Exception>(e, e.Message);
}
}
public Post[] GetReplies(Postkey postkey)
{
try
{
return controller.GetReplies(postkey);
}
catch (Exception e)
{
throw new FaultException<Exception>(e, e.Message);
}
}
public string SerializePostkey(Postkey toSerialize)
{
return serializer.Serialize(toSerialize);
}
/// <summary>
/// Add a reply to a post.
/// </summary>
/// <param name="originalPost">The post being replied</param>
/// <param name="newReply">The new reply post</param>
/// <returns>Returns true if reply succeeded, false otherwise</returns>
internal Result Reply(Postkey originalPost, Post newReply)
{
return webService.Reply(originalPost, newReply);
}
/// <summary>
/// Get a Post using its PostKey
/// </summary>
/// <param name="postkey">A post key consisting of the user + timestamp</param>
/// <returns>The required Post</returns>
internal Post[] GetReplies(Postkey postkey)
{
try
{
return webService.GetReplies(postkey);
}
catch (System.Exception e)
{
throw e;
}
}
internal Post GetPost(Postkey postkey)
{
try
{
return webService.GetPost(postkey);
}
catch (System.ServiceModel.FaultException e)
{
throw e;
}
}
public Result EditPost(Postkey currPost, Post post, string username, string password)
{
try
{
log.Info("got request to edit post " + currPost);
if (!CheckPost(post))
return Result.ILLEGAL_POST;
Result res = securityManager.IsAuthorizedToEdit(username, currPost, password);
if (res == Result.OK)
if (dataManager.EditPost(post, currPost))
return Result.OK;
else return Result.POST_NOT_FOUND;
else return res;
}
catch (Exception e)
{
log.Error("failed to edit post " + currPost, e);
throw e;
}
}
public Result EditPost(Postkey oldPost, Post newPost, string username, string password)
{
try
{
return controller.EditPost(oldPost, newPost, username, password);
}
catch (Exception e)
{
throw new FaultException<Exception>(e, e.Message);
}
}
public Post[] GetReplies(Postkey key)
{
try
{
if (key != null)
{
log.Info("got request for post " + key);
return dataManager.GetPost(key).Replies.Values.OrderBy(post => post.Key.Time).ToArray();
}
else
{
log.Info("got a null postkey in get replies");
return null;
}
}
catch (Exception e)
{
log.Error("failed get post " + key, e);
throw e;
}
}
public bool EditPost(Post postToUpdate, Postkey originalPost)
{
Post oldPost;
GetPost(originalPost, out oldPost);
if (oldPost == null)
throw new PostNotFoundException();
try
{
oldPost.Body = postToUpdate.Body;
oldPost.Title = postToUpdate.Title;
return true;
//return UpdatePost(oldPost);
}
catch (Exception ex)
{
throw ex;
}
}
public Result Reply(Postkey currPost, Post post)
{
try
{
log.Info("got request to reply to post " + currPost);
if (!CheckPost(post))
return Result.ILLEGAL_POST;
Result res = securityManager.IsAuthorizedToPost(post.Key.Username, post.Subforum) ;
if (res == Result.OK)
if (dataManager.AddReply(post, currPost))
{
this.posted = post;
Notify();
return Result.OK;
}
else return Result.POST_NOT_FOUND;
else return res;
}
catch (Exception e)
{
log.Error("failed to reply to post " + currPost, e);
throw e;
}
}
public Post GetPost(Postkey postkey)
{
Post res;
GetPost(postkey, out res);
if (res != null)
{
return res;
}
else
{
throw new PostNotFoundException();
}
}
public bool EditPost(Post postToUpdate, Postkey oldPostKey)
{
try
{
PostEntity post = GetPostEntity(oldPostKey).First();
post.Title = postToUpdate.Title;
post.Body = postToUpdate.Body;
//TODO - Do username & datetime (Postkey) change on update?
ForumContext.SaveChanges();
return true;
}
catch (Exception)
{
//TODO
throw;
}
}
public bool RemovePost(Postkey postkey)
{
foreach (KeyValuePair<string, Subforum> subforumEntry in subforumsList)
{
try
{
if (subforumEntry.Value.Posts.ContainsKey(postkey))
{
subforumsList[subforumEntry.Key].Posts.Remove(postkey);
subforumsList[subforumEntry.Key].TotalPosts--;
return true;
}
else
{
return RemoveReply(postkey, subforumsList[subforumEntry.Key].Posts);
}
}
catch (Exception ex)
{
throw ex;
}
}
return false;
}
public bool RemovePost(Postkey postkey)
{
try
{
// Find Postkey
IEnumerable<PostKeyEntity> postkeyQuery = GetPostKeyEntity(postkey);
// Find Post
PostKeyEntity pke = postkeyQuery.First();
IEnumerable<PostEntity> postQuery = GetPostEntity(postkey);
ForumContext.PostKeyEntities.DeleteObject(pke);
ForumContext.PostEntities.DeleteObject(postQuery.ElementAt<PostEntity>(0));
ForumContext.SaveChanges();
return true;
}
catch (Exception)
{
return false;
//TODO
throw;
}
}
private void GetPost(Postkey postkey, out Post returnedPost)
{
returnedPost = null;
foreach (KeyValuePair<string, Subforum> subforumEntry in subforumsList)
{
if (returnedPost != null)
{
break;
}
try
{
foreach (Post PostToReturn in subforumEntry.Value.Posts.Values)
{
if (PostToReturn.Key.CompareTo(postkey) == 0)
{
returnedPost = PostToReturn;
break;
}
}
if (returnedPost != null)
{
break;
}
else
{
//if (subforumEntry.Value.Posts.ContainsKey(postkey)) // If oldPost is main oldPost in subforumName
//{
// returnedPost = subforumsList[subforumEntry.Key].Posts[postkey];
// break;
//}
//else // If oldPost is not main oldPost, search oldPost in replies & update
//{
GetReply(postkey, subforumsList[subforumEntry.Key].Posts, out returnedPost);
if (returnedPost != null)
break;
}
}
catch (Exception ex)
{
throw ex;
}
}
}
private Post PostEntityToPost(PostEntity pe)
{
Postkey parentPostKey = null;
// Finding parent`s postkey:
if (pe.ParentPostKeyId != -1)
{
IEnumerable<PostKeyEntity> parentPostkeyQuery = from pk in ForumContext.PostKeyEntities
where pk.PostKeyId == pe.ParentPostKeyId
select pk;
PostKeyEntity pke = parentPostkeyQuery.ElementAt<PostKeyEntity>(0);
parentPostKey = new Postkey(pke.Username, pke.Time);
}
// Finding PostKey:
IEnumerable<PostKeyEntity> PostkeyQuery = from pk in ForumContext.PostKeyEntities
where pk.PostKeyId == pe.PostKeyId
select pk;
PostKeyEntity postkeyEntity = PostkeyQuery.First();
Postkey postkey = new Postkey(postkeyEntity.Username, postkeyEntity.Time);
Post PostToReturn = new Post(postkey, pe.Title, pe.Body, parentPostKey, pe.SubforumName);
// Replies:
IEnumerable<PostEntity> repliesList = from r in ForumContext.PostEntities
where r.ParentPostKeyId == pe.PostKeyId
select r;
Dictionary<Postkey, Post> repliesDictionary = new Dictionary<Postkey, Post>();
if (repliesList.Count() != 0)
{
foreach (PostEntity reply in repliesList)
{
Post p = PostEntityToPost(reply);
repliesDictionary.Add(p.Key, p);
}
PostToReturn.HasReplies = true;
}
else
{
PostToReturn.HasReplies = false;
}
PostToReturn.Replies = repliesDictionary;
return PostToReturn;
}
private void GetReply(Postkey postkey, Dictionary<Postkey, Post> postsList, out Post returnedPost)
{
returnedPost = null;
foreach (Post PostToReturn in postsList.Values)
{
if (PostToReturn.Key.CompareTo(postkey) == 0)
{
returnedPost = PostToReturn;
break;
}
}
if (returnedPost != null)
{
return;
}
//if (postsList.ContainsKey(postkey))
//{
// returnedPost = postsList[postkey];
// return;
//}
//else
//{
foreach (Post reply in postsList.Values)
{
if (returnedPost == null)
{
GetReply(postkey, reply.Replies, out returnedPost);
}
}
//}
}
public Result IsAuthorizedToEdit(string username, Postkey postkey, string password)
{
User user = dataManager.GetUser(username);
if (user == null)
return Result.USER_NOT_FOUND;
Post post = dataManager.GetPost(postkey);
if (post == null)
return Result.POST_NOT_FOUND;
Subforum sub = dataManager.GetSubforums().Find(subforum => subforum.Name.Equals(post.Subforum));
if (user.Password.Equals(password)
&& (post.Key.Username.Equals(username)))
//|| (user.Level.Equals(AuthorizationLevel.MODERATOR)
// && sub != null && sub.ModeratorsList.Contains(username))
//|| (user.Level.Equals(AuthorizationLevel.ADMIN))))
if ((user.CurrentState == UserState.Active) || (user.CurrentState == UserState.ShouldBeBanned))
{
return Result.OK;
}
else //if (user.CurrentState == UserState.NotActive)
{
//dataManager.SetUserState(username, UserState.ShouldBeBanned);
return Result.ILLEGAL_POST;
}
if (!post.Key.Username.Equals(username))
{
user.CurrentState = UserState.ShouldBeBanned;
dataManager.UpdateUser(user);
}
return Result.INSUFFICENT_PERMISSIONS;
}
private bool RemoveReply(Postkey postkey, Dictionary<Postkey, Post> repliesList)
{
foreach (Post reply in repliesList.Values)
{
if (reply.Replies.ContainsKey(postkey))
{
reply.Replies.Remove(postkey);
subforumsList[reply.Subforum].TotalPosts--;
reply.HasReplies = !(reply.Replies.Values.Count == 0); // If reply.Replies.Values.Count > 0 then HasReplies==true;
return true;
}
else
{
return RemoveReply(postkey, reply.Replies);
}
}
return false;
}
