/***********************************
* Caculates and returns a new total
* value with discounts applied to new
* total value, if any apply.
***********************************/
static float caculateCost(PreferredCustomer customer, float total)
{
float newTotal = total; // newTotal varible used to caculate discount of total value.
if (customer.setDiscount(newTotal))
{
return(total = newTotal - ((newTotal / 100) * (float)customer.getDiscountLevel()));
}
return(total);
}
/**************************
* Overload of above method,
* only returns a single
* customer from database.
**************************/
public static PreferredCustomer Loader(string find)
{
PreferredCustomer p = new PreferredCustomer();
string source = "Data Source=COMPUTER\\ACEMAN;Integrated Security=True";
string getAcustomer = "select * from some4 where CustomerId = " + find;
SqlConnection connect = new SqlConnection(source);
try
{
connect.Open();
SqlCommand cmd = new SqlCommand(getAcustomer, connect);
SqlDataReader reader = cmd.ExecuteReader();
reader.Read();
p.CustomerNumber = (string)reader[0];
p.setFirstName((string)reader[1]);
p.setLastName((string)reader[2]);
p.setAddress((string)reader[3]);
p.setCity((string)reader[4]);
p.setState((string)reader[5]);
p.setZip((string)reader[6]);
p.setPhoneNumber((string)reader[7]);
}
catch (SqlException sql)
{
Console.WriteLine("An error has ocurred with the database...");
Console.WriteLine("The error that ocurred is..." + sql.Message);
}
catch (InvalidOperationException notValid)
{
Console.WriteLine("An error has ocurred with the database...");
Console.WriteLine("The error that ocurred is..." + notValid.Message);
}
catch (Exception ex)
{
Console.WriteLine("An unknown error has ocurred...");
Console.WriteLine("The error that ocurred was.." + ex.Message);
}
finally
{
connect.Close();
}
return(p);
}
static void Main(string[] args)
{
float total = 0; // Holds total cost of ordered items.
float originalTotal = 0; // Holds original total cost of ordered items.
string choice; // Holds user choice string.
string test; // Holds test string value.
PreferredCustomer customer = new PreferredCustomer(); // PreferredCustomer object.(derives from PersonData)
ItemSet queriedItems = new ItemSet(); // Pulls a List of item data from the database.
List <Item> itemList = new List <Item>(); // Holds pulled item List data.
List <Item> tally = new List <Item>(); // Keeps a tally of all ordered items.
Item aItem = new Item();
Console.WriteLine("THIS PROGRAM WILL ALLOW THE USER TO ORDER ITEMS FROM A LIST " + // Program description banner.
"AND RETURN A TOTAL VALUE PLUS ANY DISCOUNTS ASSOCIATED WITH " +
"THAT VALUE.\n");
Console.WriteLine("PLEASE ENTER A CUSTOMER ID BETWEEN 1001 AND 1014.\n");
itemList = queriedItems.getItems();
Console.Write("Please enter a customer Number: ");
string cusNo = Console.ReadLine();
customer = LoadPreferredCustomer.Loader(cusNo);
do // Do-while loop controls main flow of the driver program.
{
Console.WriteLine();
Console.WriteLine("This is the order guide for " + customer.getFirstName()
+ " " + customer.getLastName());
Console.WriteLine("Please enter the cooresponding number for each item to add it to your " +
"currently existing order.");
Console.WriteLine();
do // Controls the orderGuide method call.
{
tally.Add(orderGuide(customer.getFirstName(), customer.getLastName(), itemList));
Console.Write("\nDoes " + customer.getFirstName() + " wish to order another item? Yes or No(To finish ordering items please spell NO completely): ");
choice = Console.ReadLine();
test = null;
foreach (var letter in choice)
{
test += char.ToUpper(letter);
}
} while (!(test.Equals("NO")));
Console.WriteLine("\nThe Items " + customer.getFirstName() + " selected were:\n");
foreach (var item in tally) // Writes out a list of all ordered items.
{
Console.WriteLine(item.ItemType + " Cost: " + item.ItemCost);
total += item.ItemCost;
originalTotal = total;
total = caculateCost(customer, total);
}
Console.WriteLine();
Console.WriteLine("The total cost of all " + customer.getFirstName() + "'s items is {0:0.00}", total);
if (originalTotal >= 1000.00) // If value greater than a 1000.00 prints original total before deduction to screen.
{
Console.WriteLine(customer.getFirstName() + "'s original total was {0:0.00}", originalTotal);
}
Console.WriteLine(customer.getFirstName() + " saved a total of {0:0.00} dollars", originalTotal - total);
tally.Clear(); // Clears tally Item List collection of all elements.
total = 0; // Assigns 0 to total float variable for new amount accumulation.
Console.Write("\nDoes " + customer.getFirstName() + " wish to start a new order? Yes or No(To end program please spell NO completely): ");
choice = Console.ReadLine();
test = null;
foreach (var letter in choice)
{
test += char.ToUpper(letter);
}
} while (!(test.Equals("NO"))); //If test value is false re-iterates entire main driver.
Console.WriteLine("\nPress enter to close program..");
Console.ReadLine();
}
