public Bus GetBus(Guid bus)
{
using (var db = new ReBusContainer())
{
return db.Buses.Include("Line").SingleOrDefault(b => b.GUID == bus);
}
}
public Account GetAccount(Guid guid)
{
using (var db = new ReBusContainer())
{
return db.Accounts.SingleOrDefault(a => a.GUID == guid);
}
}
public Subscription GetSubscription(Guid subscription)
{
using (var db = new ReBusContainer())
{
return db.Subscriptions.Include("Account").Include("Lines").SingleOrDefault(s => s.GUID == subscription);
}
}
public IEnumerable<Line> GetLines()
{
using (var db = new ReBusContainer())
{
return db.Lines.ToList();
}
}
public IDictionary<int, decimal> GetSubscriptionPrices()
{
using (var db = new ReBusContainer())
{
return db.SubscriptionCosts.ToDictionary(s => s.Lines, s => s.Cost);
}
}
public Account Register(string userName, string password, string firstName, string lastName)
{
if (String.IsNullOrEmpty(userName) ||
String.IsNullOrEmpty(password) ||
String.IsNullOrEmpty(firstName) ||
String.IsNullOrEmpty(lastName))
{
throw new NotAllFieldsFilledException();
}
if (!UsernameIsUnique(userName))
{
throw new UserAlreadyExistsException();
}
using (ReBusContainer repository = new ReBusContainer())
{
Account userAccount = new Account();
userAccount.Username = userName;
userAccount.PasswordHash = password;
userAccount.FirstName = firstName;
userAccount.LastName = lastName;
userAccount.Credit = 0;
repository.Accounts.AddObject(userAccount);
repository.SaveChanges();
return userAccount;
}
}
public Ticket GetTicket(Guid ticket)
{
using (var db = new ReBusContainer())
{
return db.Tickets.Include("Account").Include("Bus").Include("Bus.Line").SingleOrDefault(t => t.GUID == ticket);
}
}
/// <summary>
/// Buy a new ticket.
/// </summary>
/// <param name="account">The account for which to buy the ticket</param>
/// <param name="bus">The bus for which to buy the ticket</param>
/// <returns></returns>
public Ticket BuyTicket(Account account, Bus bus)
{
using (ReBusContainer db = new ReBusContainer())
{
account = db.Accounts.Single(a => a.GUID == account.GUID);
bus = db.Buses.Include("Line").Single(b => b.GUID == bus.GUID);
var cost = db.TicketCost.Single().Cost;
if (cost > account.Credit)
{
throw new InsufficientCreditException();
}
var ticket = new Ticket {Account = account, Bus = bus, Created = DateTime.Now};
var transaction = new Transaction
{
Account = account,
Amount = cost,
Type = (int) TransactionType.Ticket,
Created = DateTime.Now
};
account.Credit -= cost;
db.Tickets.AddObject(ticket);
db.Transactions.AddObject(transaction);
db.SaveChanges();
return ticket;
}
}
public decimal GetTicketPrice()
{
using (var db = new ReBusContainer())
{
return db.TicketCost.Single().Cost;
}
}
public Account AddFunds(Account account, decimal amount)
{
using (var db = new ReBusContainer())
{
account = db.Accounts.Single(a => a.GUID == account.GUID);
account.Credit += amount;
return account;
}
}
public IEnumerable<Transaction> GetTransactionHistory(Account userAccount)
{
using (ReBusContainer repository = new ReBusContainer())
{
repository.AttachTo("Accounts", userAccount);
repository.Refresh(RefreshMode.StoreWins, userAccount);
return userAccount.Transactions;
}
}
/// <summary>
/// Get the currently active ticket of an account.
/// </summary>
/// <param name="account">The account for which to get the active ticket</param>
/// <returns></returns>
public Ticket GetActiveTicket(Account account)
{
using (var db = new ReBusContainer())
{
DateTime validity = DateTime.Now - new TimeSpan(0, 0, 45);
return db.Tickets.Include("Account").Include("Bus").Include("Bus.Line")
.Where(t => t.AccountGUID == account.GUID)
.Where(t => t.Created >= validity)
.OrderByDescending(t => t.Created)
.FirstOrDefault();
}
}
public int ValidateTicket(Ticket ticket, Bus bus)
{
using (ReBusContainer repository = new ReBusContainer())
{
ticket = repository.Tickets.Single(t => t.GUID == ticket.GUID);
bus = repository.Buses.Single(b => b.GUID == bus.GUID);
if (ticket == null ||
ticket.Bus == null ||
bus == null)
{
return 3;
}
if (ticket.Created.AddHours(1.5) < DateTime.Now)
{
return 0;
}
if (ticket.Bus.GUID != bus.GUID)
{
return 2;
}
return 1;
}
}
private Account AuthenticateUser(string userName, string password, bool isTicketController)
{
using (var repository = new ReBusContainer())
{
return (from currentUser in repository.Accounts
where currentUser.Username == userName &&
currentUser.PasswordHash == password &&
currentUser.IsTicketController == isTicketController
select currentUser).FirstOrDefault<Account>();
}
}
private bool UsernameIsUnique(string userName)
{
using (var repository = new ReBusContainer())
{
return (from currentUser in repository.Accounts
where currentUser.Username == userName
select currentUser).FirstOrDefault<Account>() == null;
}
}
/// <summary>
/// Get older tickets.
/// </summary>
/// <param name="account">The account for which to get the tickets</param>
/// <param name="before">The date before which to get the tickets</param>
/// <param name="limit">The max number of thickets to fetch</param>
/// <returns></returns>
public IEnumerable<Ticket> GetHistory(Account account, DateTime before, int limit)
{
using (var db = new ReBusContainer())
{
return db.Tickets.Include("Account").Include("Bus").Include("Bus.Line")
.Where(t => t.AccountGUID == account.GUID)
.Where(t => t.Created < before)
.OrderByDescending(t => t.Created)
.Take(limit).ToList();
}
}
/// <summary>
/// Get the tickets that have been added after a given date (used to refresh the list with new values).
/// </summary>
/// <param name="account">The account for which to get the tickets</param>
/// <param name="after">The date of the last ticket the client has</param>
/// <returns></returns>
public IEnumerable<Ticket> GetNewTickets(Account account, DateTime after)
{
using (var db = new ReBusContainer())
{
return db.Tickets.Include("Account").Include("Bus").Include("Bus.Line")
.Where(t => t.AccountGUID == account.GUID)
.Where(t => t.Created > after)
.OrderByDescending(t => t.Created).ToList();
}
}
