public static int LeaveClass()
{
LeaveClassCommand command = new LeaveClassCommand();
command.EMail = EMAIL;
command.Hash = HASH;
ResultWithNoData result = JsonConvert.DeserializeObject <ResultWithNoData>(TCPManager.SendRequest(JsonConvert.SerializeObject(command)));
return(result.statusCode);
}
private static string LeaveClass(string CommandPara)
{
SQLManager.Connection.Close();
LeaveClassCommand Command = new LeaveClassCommand();
ResultWithNoData Result = new ResultWithNoData();
int cid = 0;
Command = JsonConvert.DeserializeObject <LeaveClassCommand>(CommandPara);
if (CheckUserData(Command.EMail, Command.Hash) == false)
{
Result.statusCode = 270;
return(JsonConvert.SerializeObject(Result));
}
using (MySqlCommand mysqlCommand = SQLManager.Connection.CreateCommand())
{
SQLManager.Connection.Open();
mysqlCommand.CommandText = "SELECT CID FROM users WHERE EMail='" + Command.EMail + "'";
MySqlDataReader mysqlreader;
mysqlreader = mysqlCommand.ExecuteReader();
if (mysqlreader.HasRows)
{
mysqlreader.Read();
cid = mysqlreader.GetInt32("CID");
}
else
{
mysqlreader.Close();
SQLManager.Connection.Close();
return(JsonConvert.SerializeObject(Result));
}
mysqlreader.Close();
SQLManager.Connection.Close();
}
using (MySqlCommand mysqlCommand = SQLManager.Connection.CreateCommand())
{
SQLManager.Connection.Open();
mysqlCommand.CommandText = "UPDATE users SET HasSelected = 0 WHERE EMail = ?email";
mysqlCommand.Parameters.AddWithValue("?email", Command.EMail);
mysqlCommand.ExecuteNonQuery();
SQLManager.Connection.Close();
}
using (MySqlCommand mysqlCommand = SQLManager.Connection.CreateCommand())
{
SQLManager.Connection.Open();
mysqlCommand.CommandText = "UPDATE users SET CID = 0 WHERE EMail = ?email";
mysqlCommand.Parameters.AddWithValue("?email", Command.EMail);
mysqlCommand.ExecuteNonQuery();
SQLManager.Connection.Close();
}
Result.statusCode = 201;
return(JsonConvert.SerializeObject(Result));
}
