/**
* A method to append a borrower's array of borrowed movies.
* This doesn't increase or decrease the borrowers of the Management system.
*
* Asuming that a customer cannot borrow the same movie more than once.
*/
public void appendBorrowerMovie(Borrower b, string movieTitle)
{
//searches if the movie is available in the management system.
DVD searchedDVD = binaryDVDTree.search(movieTitle);
//if the seachedDVD is not null then add the movie to the borrower's array of movies.
if (searchedDVD != null)
{
//check if only 1 copy of the movie is left
if (searchedDVD.getQuantity() == 1)
{
//delete the movie from the collection
binaryDVDTree.Delete(searchedDVD);
}
//check if more than 1 copy is available
else if (searchedDVD.getQuantity() > 1)
{
//decrease the quantity of that movie.
searchedDVD.decreaseQuantity();
}
b.addRentedMovie(searchedDVD);
}
}
public void ReturnMovie()
{
Console.Clear();
Console.WriteLine("-----------------Return a Movie------------------\r");
Console.WriteLine("Phone Number of the Customer:");
string phoneNumInput = Console.ReadLine();
//check if phone number exists.
if (DVDCollection.checkPhoneBorrower(phoneNumInput) == 100)
{
Console.WriteLine("Customer with the provided phone number (" + phoneNumInput + ") doesn't exist.");
Console.WriteLine("Press enter to continue.");
Console.ReadLine();
displayReturnMovie = false;
displayBorrower = true;
}
else
{
Borrower existingBorrower = DVDCollection.getBorrower(DVDCollection.GetBorrowerWithPhone(phoneNumInput));
Console.WriteLine("Title of the movie that is being returned:");
string returnTitleInput = Console.ReadLine();
if (DVDCollection.checkExistingDVD(existingBorrower, returnTitleInput) != null)
{
DVDCollection.insertDVD(DVDCollection.checkExistingDVD(existingBorrower, returnTitleInput));
}
else if (DVDCollection.checkExistingDVD(existingBorrower, returnTitleInput) == null)
{
Console.WriteLine("The movie with the title - " + returnTitleInput + " was not rented by " + existingBorrower);
Console.WriteLine("press enter to continue...");
Console.ReadLine();
}
}
displayReturnMovie = false;
displayBorrower = true;
}
//checks if the borrower exists in the borrowersQueue.
//linear check. Big-O = O(n)
//100 = doesn't exist
//if it returns 100 then the borrower doesn't exists in the array
public int checkBorrower(Borrower b)
{
int result = 100;
for (int i = 0; i < borrowersArr.Length; i++)
{
if (borrowersArr[i] != null)
{
if (b.getPhoneNum().CompareTo(borrowersArr[i].getPhoneNum()) == 0)
{
result = i;
}
}
}
return(result);
/* if (binarySearch(borrowerArr, b.getPhoneNum()) != 100)
* {
* result = binarySearch(borrowerArr, b.getPhoneNum());
* }
* return result;*/
}
public DVD checkExistingDVD(Borrower b, string movieTitle)
{
return(b.removeDVD(movieTitle));
}
public void LendMovie()
{
Console.Clear();
Console.WriteLine("------------------Lend a Movie------------------\r");
Console.WriteLine("Title of the movie that customer wants to borrow:");
string movieTitleInput = Console.ReadLine();
//check if there is a movie with the inputed title.
if (DVDCollection.searchMyCollection(movieTitleInput) != null)
{
Console.WriteLine("Customer First Name:");
string firstNameInput = Console.ReadLine();
Console.WriteLine("Customer Last Name:");
string lastNameInput = Console.ReadLine();
Console.WriteLine("Customer Contact Number:");
string phoneInput = Console.ReadLine();
//check if movie with that title exists. else tell inform that movie doesnt exist.
//check if customer with those details exist -> append just the borrower's DVDArr
//else if no customer exist -> add details with the movie to borrowerArr
//the dvd that will be added to the borrower's DVDArr.
DVD movieBorrowed = DVDCollection.searchMyCollection(movieTitleInput);
Console.WriteLine(movieBorrowed.getTitle());
Borrower customer = new Borrower(firstNameInput, lastNameInput, phoneInput, new DVD[10]);
//check if borrower's details already exist in DVDCollection
if (DVDCollection.checkBorrower(customer) != 100)
{
Console.WriteLine(DVDCollection.checkBorrower(customer));
DVDCollection.appendBorrowerMovie(DVDCollection.getBorrower(DVDCollection.checkBorrower(customer)),
movieTitleInput);
}
//else add the customer to the management system and
//then add the movie to that customers borrowed movies array.
else
{
DVDCollection.addBorrower(customer);
DVDCollection.appendBorrowerMovie(customer, movieTitleInput);
Console.WriteLine();
Console.WriteLine("Customer has been added. Press enter to continue.");
Console.ReadLine();
}
//check if borrower exists
/* if (DVDCollection.checkBorrower(customer) != 100)
* {
* // append the movie of the borrower that exists in the datastructre.
* DVDCollection.appendBorrowerMovie(
* DVDCollection.getBorrower(DVDCollection.checkBorrower(customer)),
* movieTitleInput);
* }
* //else add the customer to the management system and
* //then add the movie to that customers borrowed movies array.
* else
* {
* DVDCollection.addBorrower(customer);
* DVDCollection.appendBorrowerMovie(customer, movieTitleInput);
* }*/
displayLendMovie = false;
displayBorrower = true;
}
/*foreach (Borrower oldCustomer in DVDCollection.getBorrowerArr()) // O(n)
* {
* if (oldCustomer.getPhoneNum().CompareTo(contactInput) == 0) //as the phone number is unique
* {
*
*
* //oldCustomer.addMoreMovies(movieTitleInput);
* }
* else
* {
* DVDCollection.addBorrower(newBorrower);
* DVDCollection.addMovie(newBorrower, movieTitleInput);
* }
* }*/
}