// method to rent the book, returns myTransactions value
// this method recalls every object in itself multiple times
// which I have actually learned not to necessarily do
public Transactions[] RentBook()
{
TransactionsFile transactionsFile = new TransactionsFile("transactions.txt");
Transactions[] myTransactions = transactionsFile.GetAllTransactions();
TransactionsReports transactionsReports = new TransactionsReports(myTransactions);
TransactionsUtility transactionsUtility = new TransactionsUtility(myTransactions);
BooksFile booksFile = new BooksFile("books.txt");
Books[] myBooks = booksFile.GetAllBooks();
BooksReports booksReports = new BooksReports(myBooks);
BooksUtility booksUtility = new BooksUtility(myBooks);
string customerNameInput = "";
string customerEmailInput = "";
string isbnInput = "";
string confirmInput = "";
string defaultReturnDate = "0/0/0000";
double isbnDoubleInput = 0;
int searchIndex = 0;
int transactionLength = File.ReadAllLines("transactions.txt").Length;
double rentalId = transactionLength + 1;
DateTime currentDate = DateTime.Today;
Console.WriteLine();
booksReports.PrintAllBooks();
Console.WriteLine();
Console.WriteLine("Select an ISBN to Rent:");
Console.WriteLine("'Cancel' to Cancel");
do
{
Console.Write("-- ");
isbnInput = Console.ReadLine();
if (isbnInput.ToUpper() == "CANCEL")
{
return(myTransactions);
}
else if (isbnInput.Length > 10)
{
Console.WriteLine($"Error: {isbnInput} is an Invalid ISBN, Try Again");
}
else if (isbnInput.Length < 10)
{
Console.WriteLine($"Error: {isbnInput} is an Invalid ISBN, Try Again");
}
else if (isbnInput.Length == 10)
{
isbnDoubleInput = Convert.ToDouble(isbnInput);
searchIndex = booksUtility.SequentialSearch(isbnDoubleInput);
if (searchIndex == -1)
{
Console.WriteLine("Error: Book does not exist");
}
else
{
Console.Clear();
}
}
if (myBooks[searchIndex].GetCopies() == 0)
{
Console.WriteLine("Error: There are no copies left");
return(myTransactions);
}
Console.WriteLine("Checking out:");
Console.WriteLine($"Rental ID: {rentalId:0000}");
Console.WriteLine($"Title: {myBooks[searchIndex].GetTitle()}");
Console.WriteLine();
Console.WriteLine("Enter Customer Email:");
Console.WriteLine("'Cancel' to Cancel");
Console.Write("-- ");
customerEmailInput = Console.ReadLine();
if (customerEmailInput.ToUpper() == "CANCEL")
{
return(myTransactions);
}
string[] lines = File.ReadAllLines("transactions.txt");
if (lines.Length != 0)
{
foreach (string line in lines)
{
string[] transactionInfo = line.Split('#');
if (transactionInfo[3] == customerEmailInput)
{
if (transactionInfo[1] == isbnInput)
{
Console.WriteLine();
Console.WriteLine("Error: You already have a copy of this book");
return(myTransactions);
}
}
}
}
} while (isbnInput.ToUpper() != "CANCEL" && isbnInput.Length != 10);
Console.WriteLine("Enter Customer Name:");
Console.WriteLine("'Cancel' to Cancel");
Console.Write("-- ");
customerNameInput = Console.ReadLine();
if (customerNameInput.ToUpper() == "CANCEL")
{
return(myTransactions);
}
Console.Clear();
Console.WriteLine("Checking out:");
Console.WriteLine($"Rental ID: {rentalId:0000}");
Console.WriteLine($"Title: {myBooks[searchIndex].GetTitle()}");
Console.WriteLine($"Customer Name: {customerNameInput}");
Console.WriteLine($"Customer Email: {customerEmailInput}");
Console.WriteLine($"Rental Date: {currentDate:d}");
Console.WriteLine($"Return Date: {defaultReturnDate}");
Console.WriteLine();
Console.WriteLine("'Confirm' to Change");
Console.WriteLine("'Cancel' to Cancel Change");
Console.WriteLine("Enter your selection:");
do
{
Console.Write("-- ");
confirmInput = Console.ReadLine();
switch (confirmInput.ToUpper())
{
case "CONFIRM":
int bookFileLength = File.ReadAllLines("books.txt").Length;
string[] tempBooks = File.ReadAllLines("books.txt");
myBooks[searchIndex].SetCopies(Convert.ToDouble(myBooks[searchIndex].GetCopies()) - 1);
tempBooks[searchIndex] = ($"{myBooks[searchIndex].GetIsbn()}#{myBooks[searchIndex].GetTitle()}#{myBooks[searchIndex].GetAuthor()}#{myBooks[searchIndex].GetGenre()}#{myBooks[searchIndex].GetRuntime()}#{myBooks[searchIndex].GetCopies()}");
File.Create("books.txt").Close();
using (StreamWriter sw = File.AppendText("books.txt"))
{
for (int i = 0; i != bookFileLength; i++)
{
sw.WriteLine(tempBooks[i]);
}
}
using (StreamWriter sw = File.AppendText("transactions.txt"))
{
sw.WriteLine($"{rentalId:0000}#{isbnInput}#{customerNameInput}#{customerEmailInput}#{currentDate:d}#{defaultReturnDate}");
}
Console.WriteLine();
Console.WriteLine("Transaction has been added.");
myBooks = booksFile.GetAllBooks();
myTransactions = transactionsFile.GetAllTransactions();
return(myTransactions);
case "CANCEL":
break;
default:
Console.WriteLine("Error: Invalid Selection, Try Again");
break;
}
} while (confirmInput.ToUpper() != "CANCEL" && confirmInput.ToUpper() != "CONFIRM");
return(myTransactions);
}
// method to generate any particular amount of random transactions for testing
static void PopulateTestTransactions()
{
// method to generate any particular amount of random transactions
Console.WriteLine();
int length = File.ReadAllLines("transactions.txt").Length;
int booksLength = File.ReadAllLines("books.txt").Length;
int count = File.ReadAllLines("transactions.txt").Length;
string userInput = "";
int userIntInput = 0;
bool runProgram = true;
bool intTest = true;
int num = -1;
do
{
Console.WriteLine("[Populate Test Cases - Transactions.TXT]");
do
{
Console.WriteLine("How many sample transactions would you like to add?");
Console.WriteLine("Enter 'Cancel' to cancel");
Console.Write("-- ");
userInput = Console.ReadLine();
if (userInput.ToUpper() == "CANCEL")
{
runProgram = false;
intTest = false;
Console.WriteLine("Thank you, Goodbye!");
return;
}
if (!int.TryParse(userInput, out num))
{
Console.WriteLine("Error: Not a number, Try Again");
}
else
{
userIntInput = int.Parse(userInput);
intTest = false;
}
} while (intTest == true);
for (int i = 0; i < userIntInput; i++)
{
// specifically defined random variables to meet 10-digit isbn, 2-digit runtime, and 1-digit copies
Random random = new Random();
double randomIsbn = 0;
double[] randomIsbnArray = new double[booksLength];
for (int j = 0; j < booksLength; j++)
{
randomIsbnArray[j] = myBooks[j].GetIsbn();
Console.WriteLine(myBooks[j].GetIsbn());
}
int randomIsbnIndex = random.Next(0, booksLength);
randomIsbn = myBooks[randomIsbnIndex].GetIsbn();
string randomRentalId = "";
for (int m = 0; m < 4; m++)
{
randomRentalId += random.Next(0, 9).ToString();
}
DateTime today = DateTime.Today;
var tomorrow = today.AddDays(1);
using (StreamWriter writer = new StreamWriter("transactions.txt", true))
{
writer.WriteLine($"{randomRentalId}#{randomIsbn}#CustomerName{count+1}#customer{count+1}@gmail.com#{today:d}#{tomorrow:d}");
}
count++;
randomIsbn = 0;
}
Console.WriteLine("Transactions Added:");
Console.WriteLine($"{length} length");
runProgram = false;
}while (runProgram != false);
myTransactions = transactionsFile.GetAllTransactions();
for (int l = -1; l < userIntInput - 1; l++)
{
Console.WriteLine(myTransactions[length].ToString());
length++;
}
Console.WriteLine("Thank you, Goodbye!");
}
// ReturnBook method which properly references and recalls objects
// this method also properly (or semi-properly) updates everything
// as well as returning to the main function, or Programs.cs
public Transactions[] ReturnBook(Transactions[] myTransactions, TransactionsFile transactionsFile, TransactionsReports transactionsReports, TransactionsUtility transactionsUtility, Books[] myBooks, BooksUtility booksUtility, BooksReports booksReports)
{
string customerEmailInput = "";
string isbnInput = "";
string confirmInput = "";
int searchIndex = 0;
int searchIndexTransaction = 0;
double doubleTest = 0;
int transactionFileLength = myTransactions.Length;
DateTime currentTime = DateTime.Today;
Console.WriteLine("Enter email address:");
Console.WriteLine("'Cancel' to Cancel");
Console.Write("-- ");
customerEmailInput = Console.ReadLine();
if (customerEmailInput.ToUpper() == "CANCEL")
{
return(myTransactions);
}
int testRentalCount = 0;
int otherRentalCount = 0;
Console.WriteLine();
Console.WriteLine("Books currently checked out:");
string[] lines = File.ReadAllLines("transactions.txt");
if (lines.Length != 0)
{
foreach (string line in lines)
{
string[] transactionInfo = line.Split('#');
if (transactionInfo[3] == customerEmailInput)
{
if (transactionInfo[5] == "0/0/0000")
{
// Console.WriteLine(Convert.ToDouble(transactionInfo[1]));
searchIndex = booksUtility.SequentialSearch(Convert.ToDouble(transactionInfo[1]));
// Console.WriteLine(searchIndex);
Console.WriteLine(myBooks[searchIndex]);
otherRentalCount++;
testRentalCount++;
}
}
}
// foreach (string line in lines)
// {
// string[] transactionInfo = line.Split('#');
// if(transactionInfo[5] != "0/0/0000")
// {
// }
// }
if (testRentalCount == 0)
{
Console.WriteLine("Error: There are no books that need to be returned");
return(myTransactions);
}
if (otherRentalCount == 0)
{
Console.WriteLine("Error: There are no books checked out under this email");
return(myTransactions);
}
}
else if (lines.Length == 0)
{
Console.WriteLine("Error: There are no books currently checked out");
}
Console.WriteLine();
Console.WriteLine("Enter the ISBN");
Console.WriteLine("'Cancel' to Cancel");
do
{
Console.Write("-- ");
isbnInput = Console.ReadLine();
if (isbnInput.ToUpper() == "CANCEL")
{
return(myTransactions);
}
if (!double.TryParse(isbnInput, out doubleTest))
{
Console.WriteLine($"Error: {isbnInput} is not a number, Try Again:");
}
} while (!double.TryParse(isbnInput, out doubleTest));
searchIndex = booksUtility.SequentialSearch(Convert.ToDouble(isbnInput));
Console.WriteLine();
Console.WriteLine($"Customer Email: {customerEmailInput}");
Console.WriteLine($"Book Return: {myBooks[searchIndex].GetTitle()}");
Console.WriteLine();
Console.WriteLine("Would you like to return this book?");
Console.WriteLine("'Return' to Confirm Return");
Console.WriteLine("'Cancel' to Cancel Return");
do
{
Console.Write("-- ");
confirmInput = Console.ReadLine();
switch (confirmInput.ToUpper())
{
case "RETURN":
string[] newLines = File.ReadAllLines("transactions.txt");
if (newLines.Length != 0)
{
foreach (string line in newLines)
{
string[] transactionInfo = line.Split('#');
if (transactionInfo[1] == isbnInput)
{
if (transactionInfo[5] == "0/0/0000")
{
searchIndexTransaction = transactionsUtility.SequentialSearch(isbnInput);
myTransactions[searchIndexTransaction].SetReturnDate(currentTime.ToString());
transactionFileLength = File.ReadAllLines("transactions.txt").Length;
string[] transactionFile = File.ReadAllLines("transactions.txt");
transactionFile[searchIndexTransaction] = ($"{myTransactions[searchIndexTransaction].GetRentalId():0000}#{myTransactions[searchIndexTransaction].GetIsbn()}#{myTransactions[searchIndexTransaction].GetCustomerName()}#{myTransactions[searchIndexTransaction].GetCustomerEmail()}#{myTransactions[searchIndexTransaction].GetRentalDate()}#{myTransactions[searchIndexTransaction].GetReturnDate()}");
File.Create("transactions.txt").Close();
using (StreamWriter sw = File.AppendText("transactions.txt"))
{
for (int i = 0; i != transactionFileLength; i++)
{
sw.WriteLine(transactionFile[i]);
}
}
}
}
}
}
Console.WriteLine();
Console.WriteLine("Book has been returned.");
Console.WriteLine($"Return Date: {myTransactions[searchIndexTransaction].GetReturnDate()}");
myTransactions = transactionsFile.GetAllTransactions();
return(myTransactions);
case "CANCEL":
return(myTransactions);
default:
Console.WriteLine("Error: Invalid Selection, Try Again");
break;
}
} while (confirmInput.ToUpper() != "RETURN" && confirmInput.ToUpper() != "CANCEL");
return(myTransactions);
}