public Service1()
{
IUsersDB UsersDB = new UsersDB();
IUsersManager UsersManager = new UsersManager(UsersDB);
ITransactionsDB TransactionDB = new TransactionsDB();
TransactionManager = new TransactionsManager(TransactionDB, UsersManager);
}
public int AddQuotaByUsername(string username, string source, int quota)
{
int studentId;
try
{
studentId = StudentsManager.GetStudentByUsername(username);
}
catch (ApplicationException ex)
{
return(-1);
}
return(TransactionsDB.AddTransaction(CreateTransactionByStudentId(studentId, source, quota * PRICE_PER_PAGE_BW)).id);
}
public int AddTransactionByUsername(string username, string source, double amount)
{
int studentId;
try
{
studentId = StudentsManager.GetStudentByUsername(username);
}
catch (ApplicationException ex)
{
return(-1);
}
return(TransactionsDB.AddTransaction(CreateTransactionByStudentId(studentId, source, amount)).id);
}
public int AddTransactionByStudentCardId(int cardid, string source, double amount)
{
int studentId;
try
{
studentId = StudentsManager.GetStudentIdByCardId(cardid);
}
catch (ApplicationException ex)
{
return(-1);
}
return(TransactionsDB.AddTransaction(CreateTransactionByStudentId(studentId, source, amount)).id);
}
public double GetBalanceByStudentUsername(string username)
{
int studentId;
try
{
studentId = StudentsManager.GetStudentByUsername(username);
}
catch (ApplicationException ex)
{
return(-1);
}
return(TransactionsDB.GetBalanceByStudentId(studentId));
}
public double GetBalanceByStudentCardId(int cardid)
{
int studentId;
try
{
studentId = StudentsManager.GetStudentIdByCardId(cardid);
}
catch (ApplicationException ex)
{
return(-1);
}
return(TransactionsDB.GetBalanceByStudentId(studentId));
}
public int AddTransactionByStudentId(int id, string source, double amount)
{
return(TransactionsDB.AddTransaction(CreateTransactionByStudentId(id, source, amount)).id);
}
public TransactionsManager(string connectionString)
{
TransactionsDB = new TransactionsDB(connectionString);
StudentsManager = new StudentsManager(connectionString);
}
public double GetBalanceByStudentId(int id)
{
return(TransactionsDB.GetBalanceByStudentId(id));
}
