/// <summary>
/// method for joining game
/// </summary>
/// <param name="user">the user which is joining the game, contains a UserToken and a TimeLimit. </param>
/// <returns>return a GameID. </returns>
public joinReturn JoinGame(JoinType user)
{
if (user.TimeLimit < 5 || user.TimeLimit > 120)
{
SetStatus(Forbidden);
return(null);
}
// need UserToken, GameID, TimeLimit, Player1.
else
{
using (SqlConnection conn = new SqlConnection(BoggleDB))
{
conn.Open();
using (SqlTransaction trans = conn.BeginTransaction())
{
// Here, the SqlCommand is a select query. We are interested in whether item.UserID exists in
// the Users table.
using (SqlCommand command = new SqlCommand(getPath("check"), conn, trans))
{
command.Parameters.AddWithValue("@UserID", user.UserToken);
// This executes a query (i.e. a select statement). The result is an
// SqlDataReader that you can use to iterate through the rows in the response.
using (SqlDataReader reader = command.ExecuteReader())
{
if (!reader.HasRows)
{
SetStatus(Forbidden);
reader.Close();
return(null);
}
}
}
// select all data when the game only has player1
using (SqlCommand command = new SqlCommand(getPath("checkStatus"), conn, trans))
{
using (SqlDataReader reader = command.ExecuteReader())
{
// if the table does not have player1
if (reader.HasRows == false)
{
reader.Close();
// insert player1 and timelimit into Games table
using (SqlCommand cmd = new SqlCommand(getPath("joinAdd1"), conn, trans))
{
cmd.Parameters.AddWithValue("@Player1", user.UserToken);
cmd.Parameters.AddWithValue("@TimeLimit", user.TimeLimit);
// set the return info
joinReturn info = new joinReturn();
info.GameID = cmd.ExecuteScalar().ToString();
SetStatus(Accepted);
trans.Commit();
return(info);
}
}
// if the table has player1
else
{
int TimeLimit = 0;
int GameID = 0;
// read to get player1's information
reader.Read();
Int32.TryParse(reader["GameID"].ToString(), out GameID);
Int32.TryParse(reader["TimeLimit"].ToString(), out TimeLimit);
String checkToken = reader["Player1"].ToString();
// check user token valid or not
if (checkToken == user.UserToken)
{
SetStatus(Conflict);
return(null);
}
reader.Close();
// when the game need to add player2, insert player2, timelimit, board, startTime
using (SqlCommand cmd = new SqlCommand(getPath("joinAdd2"), conn, trans))
{
int timeLimit = (TimeLimit + user.TimeLimit) / 2;
cmd.Parameters.AddWithValue("@GameID", GameID);
cmd.Parameters.AddWithValue("@Player2", user.UserToken);
cmd.Parameters.AddWithValue("@TimeLimit", timeLimit);
cmd.Parameters.AddWithValue("@Board", new BoggleBoard().ToString());
cmd.Parameters.AddWithValue("@StartTime", DateTime.Now);
// We execute the command with the ExecuteScalar method, which will return to
// us the requested auto-generated ItemID.
// return info
joinReturn info = new joinReturn();
info.GameID = cmd.ExecuteScalar().ToString();
SetStatus(Created);
trans.Commit();
return(info);
}
}
}
}
}
}
}
}
/// <summary>
/// method for joining game
/// </summary>
/// <param name="user">the user which is joining the game, contains a UserToken and a TimeLimit. </param>
/// <returns>return a GameID. </returns>
public joinReturn JoinGame(JoinType user)
{
lock (sync)
{
if (!users.ContainsKey(user.UserToken) || user.TimeLimit < 5 || user.TimeLimit > 120)
{
SetStatus(Forbidden);
return(null);
}
else
{
if (games.Count == 0)
{
Game firstGame = new Game();
firstGame.GameID = (games.Count + 1) + "";
firstGame.GameState = "pending";
games[(games.Count + 1) + ""] = firstGame;
}
Game game = games[(games.Count) + ""];
if (game.player1 != null)
{
if (game.player1.UserToken == user.UserToken)
{
SetStatus(Conflict);
return(null);
}
game.GameState = "active";
Player player2 = new Player();
player2.UserToken = user.UserToken;
player2.TimeLimit = user.TimeLimit;
player2.GameID = game.GameID;
player2.Nickname = users[user.UserToken].Nickname;
game.player2 = player2;
game.player1.words = new List <WordsPlayed>();
game.player2.words = new List <WordsPlayed>();
int avgTimeLimit = (game.player1.TimeLimit + game.player2.TimeLimit) / 2;
game.TimeLimit = avgTimeLimit;
string gameID = games[games.Count + ""].GameID;
Game newPendingGame = new Game();
newPendingGame.GameState = "pending";
newPendingGame.GameID = (games.Count + 1) + "";
games[(games.Count + 1) + ""] = newPendingGame;
game.boggleboard = new BoggleBoard();
game.startTime = DateTime.Now;
users[game.player2.UserToken] = player2;
joinReturn info = new joinReturn();
info.GameID = gameID;
SetStatus(Created);
return(info);
}
else
{
Player player1 = new Player();
player1.UserToken = user.UserToken;
player1.TimeLimit = user.TimeLimit;
player1.Nickname = users[user.UserToken].Nickname;
game.TimeLimit = player1.TimeLimit;
player1.GameID = game.GameID;
game.player1 = player1;
users[game.player1.UserToken] = player1;
joinReturn info = new joinReturn();
info.GameID = game.GameID;
SetStatus(Accepted);
return(info);
}
}
}
}