/// <summary>
/// Registers a new user.
/// If user.Name is null or is empty after trimming, responds with status code Forbidden.
/// Otherwise, creates a user, returns the user's token, and responds with status code Created.
/// </summary>
/// <param name="users"></param>
/// <returns></returns>
public UserObject Register(UserNickames users, out HttpStatusCode status)
{
string usertoken;
if (users.Nickname == null || users.Nickname.Trim().Length > 50 || users.Nickname.Trim().Length == 0)
{
status = Forbidden;
return(null);
}
using (SqlConnection conn = new SqlConnection(BoggleDB))
{
conn.Open();
using (SqlTransaction trans = conn.BeginTransaction())
{
usertoken = GenerateUserID(conn, trans);
using (SqlCommand comm = new SqlCommand("INSERT INTO Users (UserID, Nickname) VALUES (@UserID, @Nickname)", conn, trans))
{
comm.Parameters.AddWithValue("@UserID", usertoken);
comm.Parameters.AddWithValue("@Nickname", users.Nickname);
comm.ExecuteNonQuery();
}
trans.Commit();
}
}
status = Created;
return(new UserObject {
UserToken = usertoken
});
}
/// <summary>
/// Handles the request after all relevant info has been parsed out
/// </summary>
/// <param name="line"></param>
/// <param name="p"></param>
private void ProcessRequest(string line, object p = null)
{
String result = "";
// this handles 'make user' request
if (makeUserPattern.IsMatch(firstLine))
{
UserNickames name = JsonConvert.DeserializeObject <UserNickames>(line);
dynamic user = new BoggleService().Register(name, out HttpStatusCode status);
result = ComposeResponse(user, status);
}
// this handles 'join game' request
else if (joinGamePattern.IsMatch(firstLine))
{
GameRequest request = JsonConvert.DeserializeObject <GameRequest>(line);
JoinResponse response = new BoggleService().Join(request, out HttpStatusCode status);
result = ComposeResponse(response, status);
}
// this handles 'update game status' with brief parameter on or off
else if (updateNoBriefPattern.IsMatch(firstLine) || updateBriefPattern.IsMatch(firstLine))
{
Match m;
string gameID = "";
string briefParam = null;
string brief = "";
// if brief parameter is not provided
if (updateNoBriefPattern.Match(firstLine).Success)
{
m = updateNoBriefPattern.Match(firstLine);
gameID = m.Groups[1].ToString();
}
// or not provided, parse brief parameter
if (updateBriefPattern.Match(firstLine).Success)
{
m = updateBriefPattern.Match(firstLine);
// game ID is embedded in first group of regex pattern
gameID = m.Groups[1].ToString();
// brief parameter is embedded in second group of regex pattern
briefParam = m.Groups[2].ToString();
// remove irrelevent strings
brief = briefParam.Substring(7);
}
GameStatus response;
HttpStatusCode status;
if (briefParam == null)
{
response = new BoggleService().Update(gameID, "No", out status);
}
else
{
response = new BoggleService().Update(gameID, brief, out status);
}
result = ComposeResponse(response, status);
}
// this handles playword request
else if (playWordPattern.IsMatch(firstLine))
{
string gameID = playWordPattern.Match(firstLine).Groups[1].ToString();
PlayRequest request = JsonConvert.DeserializeObject <PlayRequest>(line);
PlayResponse response = new BoggleService().PlayWord(request, gameID, out HttpStatusCode status);
result = ComposeResponse(response, status);
}
// this handles cancel game request
else if (cancelPattern.IsMatch(firstLine))
{
UserObject user = JsonConvert.DeserializeObject <UserObject>(line);
new BoggleService().CancelJoinRequest(user, out HttpStatusCode status);
result = ComposeResponse(null, status);
}
// capturing whatever string requests that does not match any of the above regex patterns
else
{
result = "HTTP/1.1 " + "403" + " Forbidden" + "\r\n\r\n";
}
socket.BeginSend(result, (x, y) => { socket.Shutdown(SocketShutdown.Both); }, null);
}
