/// <summary>
/// Pat Banks
/// Created: 2015/03/19
/// Populates text fields with object data
/// </summary>
private void PopulateTextFields()
{
//get latest data on the eventItemListing
_eventListingToView = _bookingManager.RetrieveItemListingDetailsList(CurrentBookingDetails.ItemListID);
_eventListingToView.QuantityOffered = _bookingManager.AvailableQuantity(_eventListingToView.MaxNumGuests, _eventListingToView.CurrentNumGuests);
//populate form fields with object data
LblEditBookingGuestName.Content = CurrentInvoice.GetFullName;
LblEventName.Content = CurrentBookingDetails.EventItemName;
LblStartDate.Content = CurrentBookingDetails.StartDate;
LblTicketPrice.Content = CurrentBookingDetails.TicketPrice.ToString("c");
LblTotalDue.Content = CurrentBookingDetails.TotalCharge.ToString("c");
UdAddBookingQuantity.Value = CurrentBookingDetails.Quantity;
UdDiscount.Value = (double?)CurrentBookingDetails.Discount;
LblAvailSeats.Content = _eventListingToView.QuantityOffered;
//calculates the maximum quantity for the u/d
UdAddBookingQuantity.Maximum = CurrentBookingDetails.Quantity + _eventListingToView.QuantityOffered;
}
/// <summary>
/// Arik Chadima
/// Created: 2015/4/30
/// Refactored->Extracted method for reuse.
/// </summary>
private void ResetVariables()
{
foundGuest = null;
ticketQty = 0;
guestName = "";
eventName = "";
date = DateTime.Now;
discount = 0;
totalPrice = 0;
extendedPrice = 0m;
selectedItemListing = null;
//create new session variables
Session["foundGuest"] = foundGuest;
Session["ticketQty"] = ticketQty;
Session["selectedItemListing"] = selectedItemListing;
Session["extendedPrice"] = extendedPrice;
Session["totalPrice"] = totalPrice;
Session["discount"] = discount;
}
/// <summary>
/// Pat Banks
/// Created: 2015/03/11
/// Updates the total cost with discount
/// </summary>
/// <param name="myItemObject"></param>
private void RefreshCostsToDisplay(ItemListingDetails myItemObject)
{
//total cost calculations
if (myItemObject == null) return;
decimal extendedPrice = _bookingManager.CalcExtendedPrice(myItemObject.Price, (int)(UdAddBookingQuantity.Value));
LblTotalWithDiscount.Content = _bookingManager.CalcTotalCharge((decimal)(UdDiscount.Value), extendedPrice);
}
/// <summary>
/// Pat Banks
/// Created 2015/04/11
/// gets selected item from the data grid
/// </summary>
/// <returns></returns>
private ItemListingDetails getSelectedItem()
{
int itemID = (int)gvListings.SelectedDataKey.Value;
selectedItemListing = myManager.RetrieveItemListingDetailsList(itemID);
return selectedItemListing;
}
/// <summary>
/// Pat Banks
/// Created: 2015/04/11
/// Loads web pages for hotel guest and udpates session variables
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Page_Load(object sender, EventArgs e)
{
if (Session.IsNewSession)
{
ResetVariables();
}
else
{
//update variables with Session variables
try
{
foundGuest = (HotelGuest)Session["foundGuest"];
ticketQty = (int)Session["ticketQty"];
selectedItemListing = (ItemListingDetails)Session["selectedItemListing"];
extendedPrice = (decimal)Session["extendedPrice"];
totalPrice = (decimal)Session["totalPrice"];
discount = (decimal)Session["discount"];
}
catch
{
//Running on the assumption that if there's an exception it's due to the (int) case on ticketQty failing due to a null session object.
ResetVariables();
}
}
}
/// <summary>
/// Pat Banks
/// Created: 2015/03/11
///
/// Retrieves Event Listing information for the one selected item listing
/// Information is human readable with data from joined tables
/// </summary>
/// <param name="itemListID">ItemList ID matching an ItemListingDetails record</param>
/// <returns>an ItemListingDetails containing the item listing information</returns>
public ItemListingDetails RetrieveItemListingDetailsList(int itemListID)
{
var now = DateTime.Now;
double cacheExpirationTime = 5;
try
{
if (DataCache._currentItemListingDetailsList == null)
{
return BookingAccessor.GetItemListingDetails(itemListID);
}
//check time. If less than 5 min, return event from cache
if (now > DataCache._ItemListingDetailsListTime.AddMinutes(cacheExpirationTime))
{
//get event from DB
var requestedEvent = BookingAccessor.GetItemListingDetails(itemListID);
return requestedEvent;
}
else
{
//get event from cached list
var list = DataCache._currentItemListingDetailsList;
ItemListingDetails requestedEvent = new ItemListingDetails();
requestedEvent = list.Where(e => e.ItemListID == itemListID).FirstOrDefault();
if (requestedEvent != null)
{
return requestedEvent;
}
throw new ApplicationException("Event not found.");
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// Tony Noel
/// Created: 2015/02/13
/// Creates a list of Event listings with an ItemListID, Quantity, and readable event info
/// to populate the lists of Event Listings
/// List consists of active listings that have start time after DateTime.Now
/// </summary>
/// <returns>a list of ItemListingDetails objects (is created from two tables, ItemListing and Event Item)</returns>
public static List<ItemListingDetails> GetItemListingDetailsList()
{
var activeListingDetailsList = new List<ItemListingDetails>();
//Set up database call
var conn = DatabaseConnection.GetDatabaseConnection();
string query = "spSelectItemListingDetailsList";
var cmd = new SqlCommand(query, conn);
cmd.CommandType = CommandType.StoredProcedure;
try
{
conn.Open();
var reader = cmd.ExecuteReader();
if (reader.HasRows == true)
{
while (reader.Read())
{
var currentItemListingDetails = new ItemListingDetails();
//Below are found on the ItemListing table (ItemListID is a foreign key on booking)
currentItemListingDetails.ItemListID = reader.GetInt32(0);
currentItemListingDetails.MaxNumGuests = reader.GetInt32(1);
currentItemListingDetails.CurrentNumGuests = reader.GetInt32(2);
currentItemListingDetails.StartDate = reader.GetDateTime(3);
currentItemListingDetails.EndDate = reader.GetDateTime(4);
//Below are found on the EventItem table
currentItemListingDetails.EventID = reader.GetInt32(5);
currentItemListingDetails.EventName = reader.GetString(6);
currentItemListingDetails.EventDescription = reader.GetString(7);
//this is from itemlisting table
currentItemListingDetails.Price = reader.GetDecimal(8);
activeListingDetailsList.Add(currentItemListingDetails);
}
}
else
{
var ax = new ApplicationException("Booking data not found!");
throw ax;
}
}
catch (Exception)
{
throw;
}
finally
{
conn.Close();
}
return activeListingDetailsList;
}
/// <summary>
/// Pat Banks
/// Created: 2015/03/11
/// Retrieves the event listing information to enable
/// user to see current number of spots available for a selected listing
/// </summary>
/// <param name="itemListID">Id for the itemListing</param>
/// <returns>An ItemListingDetails object whose ID matches the passed ID</returns>
public static ItemListingDetails GetItemListingDetails(int itemListID)
{
var eventItemListing = new ItemListingDetails();
//Set up database call
var conn = DatabaseConnection.GetDatabaseConnection();
string query = "spSelectItemListingDetailsByID";
var cmd = new SqlCommand(query, conn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@itemListID", itemListID);
try
{
conn.Open();
var reader = cmd.ExecuteReader();
if (reader.HasRows == true)
{
while (reader.Read())
{
//Below are found on the ItemListing table (ItemListID is a foreign key on booking)
eventItemListing.ItemListID = reader.GetInt32(0);
eventItemListing.MaxNumGuests = reader.GetInt32(1);
eventItemListing.CurrentNumGuests = reader.GetInt32(2);
eventItemListing.StartDate = reader.GetDateTime(3);
eventItemListing.EndDate = reader.GetDateTime(4);
//Below are found on the EventItem table
eventItemListing.EventID = reader.GetInt32(5);
eventItemListing.EventName = reader.GetString(6);
eventItemListing.EventDescription = reader.GetString(7);
//this is from itemlisting table
eventItemListing.Price = reader.GetDecimal(8);
}
}
else
{
var ax = new ApplicationException("Event data not found!");
throw ax;
}
}
catch (Exception)
{
throw;
}
finally
{
conn.Close();
}
return eventItemListing;
}