public static void salesSummary(BookInventory b, int s)
{
double retailTotal = 0, wholesaleTotal = 0, profitTotal = 0;
if (s != 0)
{
Console.WriteLine();
Console.WriteLine("RETAIL WHOLESALE PROFIT");
Console.WriteLine("---------------------------------------------------------------------");
BookSales[] temp = new BookSales[s];
try
{
file = new FileStream("records.dat", FileMode.Open, FileAccess.Read);
file.Seek(0, SeekOrigin.Begin);
for (int x = 0; x < s; x++)
{
temp[x] = (BookSales)formatter.Deserialize(file);
}
}
catch (SerializationException e)
{
Console.WriteLine(e);
}
catch (FileNotFoundException e)
{
Console.WriteLine(e);
}
finally
{
if (file != null)
{
file.Close();
}
}
for (int y = 0; y < s; y++)
{
for (int z = 0; z < b[0].Counter; z++)
{
if (temp[y].Isbn == b[z].Isbn)
{
Console.WriteLine("{0,20:C} {1,20:C} {2,20:C}", b[z].CalculateRetail, b[z].WholesaleCost, (b[z].CalculateRetail - b[z].WholesaleCost));
retailTotal = retailTotal + b[z].CalculateRetail;
wholesaleTotal = wholesaleTotal + b[z].WholesaleCost;
profitTotal = profitTotal + (b[z].CalculateRetail - b[z].WholesaleCost);
}
}
}
Console.WriteLine();
Console.WriteLine("TOTAL");
Console.WriteLine("---------------------------------------------------------------------");
Console.WriteLine("{0,20:C} {1,20:C} {2,20:C}", retailTotal, wholesaleTotal, profitTotal);
Console.WriteLine();
}
else
{
Console.WriteLine();
Console.WriteLine("No sales to display");
Console.WriteLine();
}
}
public static void listSales(BookInventory b, int s)
{
if (s != 0)
{
Console.WriteLine();
BookSales[] temp = new BookSales[s];
try
{
file = new FileStream("records.dat", FileMode.Open, FileAccess.Read);
file.Seek(0, SeekOrigin.Begin);
for (int x = 0; x < s; x++)
{
temp[x] = (BookSales)formatter.Deserialize(file);
}
}
catch (SerializationException e)
{
Console.WriteLine(e);
}
catch (FileNotFoundException e)
{
Console.WriteLine(e);
}
finally
{
if (file != null)
{
file.Close();
}
}
Console.WriteLine("{0,-30} {1}", "TITLE", "RETAIL");
Console.WriteLine("------------------------------------------");
for (int y = 0; y < s; y++)
{
for (int z = 0; z < b[0].Counter; z++)
{
if (temp[y].Isbn == b[z].Isbn)
{
Console.WriteLine("{0,-35} {1,5:C}", b[z].Title, b[z].CalculateRetail);
}
}
}
Console.WriteLine();
}
else
{
Console.WriteLine();
Console.WriteLine("No sales to display");
Console.WriteLine();
}
}
public static void purchaseBook(BookInventory b)
{
bool getGoing = false;
bool getGoing2 = false;
bool getGoing3 = false;
bool getGoing4 = false;
bool getGoing5 = false;
char choice = 'x';
int userChoice = 0, custId = 0, booksToPurchase = 0;
while (getGoing == false)
{
Console.Write("Please enter your customer number: ");
while (getGoing3 == false)
{
try
{
custId = Int32.Parse(Console.ReadLine());
getGoing3 = true;
}
catch (FormatException)
{
Console.Write("Please enter the correct customer number: ");
}
}
for (int v = 0; v < b[0].Counter; v++)
{
Console.WriteLine("{0} - {1,-35} {2,5:C}", (v + 1), b[v].Title, b[v].CalculateRetail);
}
Console.Write("Please enter the book you wish to purchase: ");
try
{
userChoice = Int32.Parse(Console.ReadLine());
while (getGoing2 == false)
{
if (userChoice < 1 || userChoice > b[0].Counter + 1)
{
Console.Write("Error! Please enter a number between 1 - {0}", (b[0].Counter + 1));
userChoice = Int32.Parse(Console.ReadLine());
}
else
{
getGoing2 = true;
}
}
getGoing = true;
}
catch (FormatException)
{
Console.Write("Error! Please enter a number between 1 - {0}", (b[0].Counter + 1));
getGoing2 = false;
}
Console.Write("You have chosen the title {0} for {1:C}. Is this what you wanted to purchase? Press y or n: ", b[userChoice - 1].Title, b[userChoice - 1].CalculateRetail);
do
{
try
{
choice = char.Parse(Console.ReadLine());
}
catch (Exception)
{
Console.Write("Error please enter a y or n: ");
}
switch (choice)
{
case 'y':
{
if (!(b[userChoice - 1].BooksOnHand == 0))
{
Console.Write("How many of this title would you like to purchase? You can purchase up to {0} books: ", b[userChoice - 1].BooksOnHand);
do
{
try
{
booksToPurchase = Int32.Parse(Console.ReadLine());
getGoing4 = true;
}
catch (Exception)
{
Console.Write("Error! Please enter the number of books you wish to purchase: ");
}
} while (getGoing4 == false);
}
else
{
booksToPurchase = 0;
}
if (b[userChoice - 1].BooksOnHand > 0 && booksToPurchase <= b[userChoice - 1].BooksOnHand)
{
for (int z = 0; z < booksToPurchase; z++)
{
b[userChoice - 1].BooksOnHand = (b[userChoice - 1].BooksOnHand - 1);
b[userChoice - 1]++;
BookSales temp = new BookSales(b[userChoice - 1].Isbn, custId);
try
{
file = new FileStream("records.dat", FileMode.OpenOrCreate, FileAccess.ReadWrite);
file.Seek(0, SeekOrigin.End);
formatter.Serialize(file, temp);
salesCounter++;
}
catch (FileNotFoundException e)
{
Console.WriteLine(e);
}
catch (SerializationException e)
{
Console.WriteLine(e);
}
finally
{
if (file != null)
{
file.Close();
}
}
Console.WriteLine("Sale Successful");
}
}
else
{
if (booksToPurchase == 0)
{
Console.WriteLine();
Console.WriteLine("This book is out of inventory. Please reorder. ");
Console.WriteLine("Purchase Unsuccessful");
Console.WriteLine();
}
else if (booksToPurchase >= b[userChoice - 1].BooksOnHand)
{
Console.WriteLine();
Console.WriteLine("Oops! You purchased too many. Please reorder.");
Console.WriteLine("Purchase Unsuccessful");
Console.WriteLine();
}
}
getGoing5 = true;
break;
}
case 'n':
{
Console.WriteLine();
Console.WriteLine("No Sale Made");
Console.WriteLine();
getGoing5 = true;
break;
}
default:
{
Console.Write("Please choose y or n: ");
break;
}
}
} while (getGoing5 == false);
}
}