/// <summary>
/// Provede rezervaci na akci. Vyhazuje ReservationException s popisem chyby, pokud se na akci neni mozne zaregistrovat.
/// Podle UC6: Rezrvace akce.
/// </summary>
/// <param name="actionId"></param>
/// <param name="clientId"></param>
public static void ReservationToAction(int actionId, int clientId)
{
// Nacteni akce z databaze
DatabaseLibrary.Action action = new DatabaseLibrary.ActionTable().SelectOne(actionId);
DatabaseLibrary.ActionReservationTable actResTable = new DatabaseLibrary.ActionReservationTable();
// Overeni, zda je jeste volne misto
int numOfRegClients = actResTable.SelectCountOfRegUser(actionId);
// Overeni, zda je datum konani akce > aktualni datum
if (action.action_date <= DateTime.Now)
throw new ReservationException("Na tuto akci se j*z neni mozne rezervovat.");
// Jestlize pocet registrovanych uzivatelu je mensi nez kapacita akce, muzeme provest registraci pokud j*z klient neni registrovan
if (numOfRegClients < action.action_capacity)
{
// Zjisteni, zda j*z neni registrovan
bool isReg = actResTable.IsUserRegisteredToAction(actionId, clientId);
if (!isReg)
{
DatabaseLibrary.ActionReservation actRes = new DatabaseLibrary.ActionReservation(actionId, clientId);
// Provedeme rezervaci - pokud dojde k vyhozeni vyjimky, klient j*z nema platne clenstvi.
try
{
actResTable.InsertActionReservation(actRes);
}
catch (DatabaseLibrary.MembershipExpiredException ex)
{
// Klientovi j*z skoncilo clenstvi. Registrovat se nemuze.
throw new ReservationException(ex.Message);
// Pozdeji by se misto toho mohl user presmerovat na stranku s prodluzovanim clenstvi.
}
}
else
{
throw new ReservationException("Tuto akci jste j*z rezervoval.");
}
}
else
{
throw new ReservationException("Akce je j*z zaplnena.");
}
}
/// <summary>
/// Zrusi rezervaci na akci. Vyhazuje ReservationException s popisem chyby, pokud se rezervaci nepodari zrusit.
/// Podle UC9: Odhlaseni z akce.
/// </summary>
/// <param name="actionId"></param>
/// <param name="clientId"></param>
public static void CancelReservation(int actionId, int clientId)
{
DatabaseLibrary.ActionReservationTable actResTable = new DatabaseLibrary.ActionReservationTable();
// Musime overit, zda je mozne se jeste odhlasit. Odhlasovat se je mozno nejpozdeji 1 den pred zacatkem akce. Spravnou hodnotu jsem v dokumentu
// nenasel, proto jsem si rekl, ze to bude jeden den. To se da pripadne kdykoliv zmenit.
// Nacteni akce z databaze
DatabaseLibrary.Action action = new DatabaseLibrary.ActionTable().SelectOne(actionId);
if (action.action_date <= DateTime.Now.AddDays(1))
throw new ReservationException("Z teto akce se j*z neni mozne odhlasit. Muzete kontaktovat personal.");
// Zruseni rezervace
int res = actResTable.CancelClientReservation(actionId, clientId);
if (res != 1)
throw new ReservationException("Zruseni rezervace se nezdarilo.");
}
protected void Page_Load(object sender, EventArgs e)
{
actResTable = new DatabaseLibrary.ActionReservationTable();
if (Session["actionId"] == null)
{
Response.Redirect("Default.aspx");
}
// Jestli je j*z klient registrovan, zobrazime info a schovame tlacitko pro rezervaci a zobrazime tlacitko pro zruseni rezervace.
int actionId = (int)Session["actionId"];
int clientId = (int)Session["clientId"];
bool isReg = actResTable.IsUserRegisteredToAction(actionId, clientId);
if (isReg)
{
LabelInfo.Text = "Tuto akci jste j*z rezervoval.";
BtnActionReservation.Visible = false;
BtnCancelReservation.Visible = true;
}
else
{
BtnCancelReservation.Visible = false;
}
}