/// <summary>
/// Delete a book from tabBook
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnDeleteSelectedBook_Click(object sender, EventArgs e)
{
//check if book has been returned
List <ViewBookBorrowedModel> _bookBorrowed = bl.CheckBookSelected(dataGridView1.SelectedRows[0].Cells[0].Value.ToString());
if (_bookBorrowed.Count > 0)
{
//Book borrowed can't delete
MessageBox.Show("You can't delete a book still borrowed");
}
else
{
List <TabReservedModel> _bookReserved = bl.ListBooksReservedByISBN(dataGridView1.SelectedRows[0].Cells[0].Value.ToString());
if (_bookReserved.Count > 0)
{
DialogResult dialogResult = MessageBox.Show("WARNING ! Deleting this book \n" +
"will prevent " + _bookReserved.Count + " user(s) to borrowed it\n\n" +
"----- By deleting a book you will loose any stats relating to this book -----\n\nWould you like to proceed anyway ?", "Warning Message !...", MessageBoxButtons.OKCancel);
if (dialogResult == DialogResult.OK)
{
MessageBox.Show("The book: " + dataGridView1.SelectedRows[0].Cells[1].Value.ToString() + " has been remove from the database", "A message from AIT Library");
// deleting a book will result to
//delete from TabReserve, TabBorrowed, TabBook
result2 = bl.DeleteFromTabReservedByISBN(dataGridView1.SelectedRows[0].Cells[0].Value.ToString());
result1 = bl.DeleteFromTabBorrowed(dataGridView1.SelectedRows[0].Cells[0].Value.ToString());
result = bl.DeleteFromTabBook(dataGridView1.SelectedRows[0].Cells[0].Value.ToString());
dataGridView1.DataSource = bl.ListBooks();
}
else if (dialogResult == DialogResult.Cancel)
{
//do nothing
}
}
else
{
int result = 0;
DialogResult dialogResult = MessageBox.Show("Are you sure ?\nThis book will be remove from the database\n\n----- By deleting a book you will loose any stats relating to this book -----", "Confirmation...", MessageBoxButtons.YesNo);
if (dialogResult == DialogResult.Yes)
{
MessageBox.Show("The book: " + dataGridView1.SelectedRows[0].Cells[1].Value.ToString() + " has been remove from the database", "A message from AIT Library");
result2 = bl.DeleteFromTabReservedByISBN(dataGridView1.SelectedRows[0].Cells[0].Value.ToString());
result1 = bl.DeleteFromTabBorrowed(dataGridView1.SelectedRows[0].Cells[0].Value.ToString());
result = bl.DeleteFromTabBook(dataGridView1.SelectedRows[0].Cells[0].Value.ToString());
dataGridView1.DataSource = bl.ListBooks();
}
else if (dialogResult == DialogResult.No)
{
//do nothing
}
}
}
}
/// <summary>
/// join table TabBorrowed (uid - >isbn) and ViewBook (isbn) and add to datagridview
/// </summary>
/// <param name="UID">int, condition</param>
private void parseDataGridViewBorrowed(int UID)
{
//Get list of all the book borrowed by the user (UID)
List <TabBorrowModel> _bookBorrowed = bl.ListBooksBorrowedByUID(UID);
//create a datatable to store all the data
DataTable dtable = new DataTable();
DataRow dRow;
//Add the name of the colum for display
dtable.Columns.Add(new DataColumn("BID"));
dtable.Columns.Add(new DataColumn("Borrow on"));
dtable.Columns.Add(new DataColumn("Return date"));
dtable.Columns.Add(new DataColumn("Isbn"));
dtable.Columns.Add(new DataColumn("Book Name"));
dtable.Columns.Add(new DataColumn("Author"));
dtable.Columns.Add(new DataColumn("Language"));
dtable.Columns.Add(new DataColumn("Category"));
if (isbn_txtbox.Text != "")
{
//check if book has been return or still borrowed
List <ViewBookBorrowedModel> _bookBorrowedRunning = bl.CheckBookSelected(isbn_txtbox.Text);
if (_bookBorrowedRunning.Count > 0)
{
//Get name of the book from ViewBook with ISBN
List <ViewBookModel> _bookBorrowed2 = bl.GetBookInfo(isbn_txtbox.Text);
dRow = dtable.NewRow();
string borrowDate = _bookBorrowed[0].borrowDate;
borrowDate = Convert.ToDateTime(borrowDate).ToString("dd MMM yyyy");
string returnDate = _bookBorrowed[0].returnDate;
returnDate = Convert.ToDateTime(returnDate).ToString("dd MMM yyyy");
dRow["BID"] = _bookBorrowed[0].bid;
dRow["Borrow on"] = borrowDate;
dRow["Return date"] = returnDate;
dRow["Isbn"] = _bookBorrowed2[0].Isbn;
dRow["Book Name"] = _bookBorrowed2[0].BookName;
dRow["Author"] = _bookBorrowed2[0].AuthorName;
dRow["Language"] = _bookBorrowed2[0].LanguageName;
dRow["Category"] = _bookBorrowed2[0].CategoryName;
dtable.Rows.Add(dRow);
}
}
else
{
for (int i = 0; i < _bookBorrowed.Count(); i++)
{
ISBN = _bookBorrowed[i].isbn;
//check if book has been return or still borrowed
List <ViewBookBorrowedModel> _bookBorrowedRunning = bl.CheckBookSelected(ISBN);
if (_bookBorrowedRunning.Count > 0)
{
//Get name of the book from ViewBook with ISBN
List <ViewBookModel> _bookBorrowed2 = bl.GetBookInfo(ISBN);
dRow = dtable.NewRow();
string borrowDate = _bookBorrowed[i].borrowDate;
borrowDate = Convert.ToDateTime(borrowDate).ToString("dd MMM yyyy");
string returnDate = _bookBorrowed[i].returnDate;
returnDate = Convert.ToDateTime(returnDate).ToString("dd MMM yyyy");
dRow["BID"] = _bookBorrowed[i].bid;
dRow["Borrow on"] = borrowDate;
dRow["Return date"] = returnDate;
dRow["Isbn"] = _bookBorrowed2[0].Isbn;
dRow["Book Name"] = _bookBorrowed2[0].BookName;
dRow["Author"] = _bookBorrowed2[0].AuthorName;
dRow["Language"] = _bookBorrowed2[0].LanguageName;
dRow["Category"] = _bookBorrowed2[0].CategoryName;
dtable.Rows.Add(dRow);
}
}
}
//Add datatable to datagridview
bookBorrowed_dataGridView.DataSource = dtable;
this.bookBorrowed_dataGridView.Columns[0].Visible = false;
}
public void btnReserveBookSelected_Click(object sender, EventArgs e)
{
bool borrowedAllowed = true;
BookLogic bl = new BookLogic();
//check if the book is not available, if available we can reserve it
List <ViewBookBorrowedModel> _bookBorrowed = bl.CheckBookSelected(showBooks_dataGridView.SelectedRows[0].Cells[0].Value.ToString());
//only admin and supervisor
if (staticUserLevel == 2 || staticUserLevel == 3)
{
try
{
//check if userID is not empty
if (userID_input.Text == "")
{
MessageBox.Show("User ID is empty, you need to fill it first", "A message from AIT Library");
borrowedAllowed = false;
}
else
{
//check if user exist
UserLogic ul = new UserLogic();
List <TabUserModel> _userSearch = ul.GetUserInfoByUID(Int32.Parse(userID_input.Text));
if (_userSearch.Count > 0)
{
//try to parse to INT
staticUID = Int32.Parse(userID_input.Text);
}
else
{
MessageBox.Show("No user correspond to your criteria", "Warning !");
borrowedAllowed = false;
}
}
}
catch (FormatException)
{
MessageBox.Show("User ID must be a valid number", "A message from AIT Library");
borrowedAllowed = false;
}
}
if (borrowedAllowed == true)
{
if (_bookBorrowed.Count < 1)
{
DialogResult dialogResult = MessageBox.Show("Sorry ! You can't reserve a book available.\n\nWould you like to borrowed it ?", "Please make a choice", MessageBoxButtons.YesNo);
if (dialogResult == DialogResult.Yes)
{
btnBorrowBookSelected_click(null, e);
}
else if (dialogResult == DialogResult.No)
{
//do nothing
}
}
else
{
//we check if user not have already the book in his possession
List <TabBorrowModel> _bookBorrowedAlready = bl.ListBooksBorrowedByUIDIsbnActual(staticUID, showBooks_dataGridView.SelectedRows[0].Cells[0].Value.ToString());
if (_bookBorrowedAlready.Count > 0)
{
MessageBox.Show("Sorry ! You can't reserved a book in your possession", "A message from AIT Library");
}
else
{
//get isbn
List <ViewBookModel> _book = bl.GetBookInfo(showBooks_dataGridView.SelectedRows[0].Cells[0].Value.ToString());
ISBN = _book[0].Isbn;
//check if user already has reserved this book
List <TabReservedModel> _bookReserved = bl.CheckBooksReserved(staticUID, ISBN);
if (_bookReserved.Count > 0)
{
string reservedDate = _bookReserved[0].reservedDate;
DateTime dateReserved = DateTime.Parse(reservedDate);
MessageBox.Show("Sorry, You have already reserved this book on " + dateReserved.ToString("dddd, dd MMMM yyyy"), "Error");
}
else
{
//add book to tabReserved
DateTime todayDate = DateTime.Now;
string todayReservedDate = todayDate.ToString("dddd, dd MMMM yyyy HH:mm:ss");
bl.InsertBookTabReserved(staticUID, ISBN, todayReservedDate);
MessageBox.Show("You just reserved the book " + showBooks_dataGridView.SelectedRows[0].Cells[1].Value.ToString(), "Reservation Confirmation");
}
}
}
}
}
/// <summary>
/// Borrow a book
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnBorrowBookSelected_click(object sender, EventArgs e)
{
bool borrowedAllowed = true;
BookLogic bl = new BookLogic();
List <ViewBookBorrowedModel> _bookBorrowed = bl.CheckBookSelected(showBooks_dataGridView.SelectedRows[0].Cells[0].Value.ToString());
if (staticUserLevel == 2 || staticUserLevel == 3)
{
try
{
//check if userID is not empty
if (userID_input.Text == "")
{
MessageBox.Show("User ID is empty, you need to fill it first", "A message from AIT Library");
borrowedAllowed = false;
}
else
{
//check if user exist
UserLogic ul = new UserLogic();
List <TabUserModel> _userSearch = ul.GetUserInfoByUID(Int32.Parse(userID_input.Text));
if (_userSearch.Count > 0)
{
//try to parse to INT
staticUID = Int32.Parse(userID_input.Text);
}
else
{
MessageBox.Show("No user correspond to your criteria", "Warning !");
borrowedAllowed = false;
}
}
}
catch (FormatException)
{
MessageBox.Show("User ID must be a valid number", "A message from AIT Library");
borrowedAllowed = false;
}
}
//If no error then we proceed to the rest of the script
if (borrowedAllowed == true)
{
if (_bookBorrowed.Count < 1)
{
List <ViewBookModel> _book = bl.GetBookInfo(showBooks_dataGridView.SelectedRows[0].Cells[0].Value.ToString());
ISBN = _book[0].Isbn;
string BookName = _book[0].BookName;
string CategoryName = _book[0].CategoryName;
string Publisher = _book[0].Publisher;
int PublishYear = _book[0].PublisherYear;
int Page = _book[0].Pages;
string AuthorName = _book[0].AuthorName;
string LanguageName = _book[0].LanguageName;
List <TabBookModel> _bookID = bl.GetTabBookInfo(showBooks_dataGridView.SelectedRows[0].Cells[0].Value.ToString());
int Author = _bookID[0].AuthorID;
int Category = _bookID[0].CategoryID;
int Language = _bookID[0].LanguageID;
//string BorrowDate = DateTime.Now.ToString("dddd, dd MMMM yyyy HH:mm:ss");
DateTime borrowDate = DateTime.Now;
DateTime returnDate = borrowDate.AddDays(3);
string BorrowDate = borrowDate.ToString("dddd, dd MMMM yyyy HH:mm:ss");
string ReturnDate = returnDate.ToString("dddd, dd MMMM yyyy HH:mm:ss");
MessageBox.Show("Book Borrowed: " + showBooks_dataGridView.SelectedRows[0].Cells[1].Value.ToString() +
"\n-----------------------\nBorrow date: " + BorrowDate + "\nReturn Date: " + ReturnDate, "Book Confirmation");
bl.InsertBookTabBorrow(staticUID, ISBN, BorrowDate, ReturnDate, "2000-01-01", 0);
}
//Book not available so we ask the user if he want to reserve it
else
{
DialogResult dialogResult = MessageBox.Show("Sorry ! This book is not available.\n\nWould you like to reserved it ?", "Please make a choice", MessageBoxButtons.YesNo);
if (dialogResult == DialogResult.Yes)
{
//we check if user not have already the book in his possession
List <TabBorrowModel> _bookBorrowedAlready = bl.ListBooksBorrowedByUIDIsbnActual(staticUID, showBooks_dataGridView.SelectedRows[0].Cells[0].Value.ToString());
if (_bookBorrowedAlready.Count > 0)
{
MessageBox.Show("Sorry ! You can't reserved a book in your possession", "A message from AIT Library");
}
else
{
//get isbn
List <ViewBookModel> _book = bl.GetBookInfo(showBooks_dataGridView.SelectedRows[0].Cells[0].Value.ToString());
ISBN = _book[0].Isbn;
//check if user already has reserved this book
List <TabReservedModel> _bookReserved = bl.CheckBooksReserved(staticUID, ISBN);
if (_bookReserved.Count > 0)
{
string reservedDate = _bookReserved[0].reservedDate;
DateTime dateReserved = DateTime.Parse(reservedDate);
MessageBox.Show("Sorry, You have already reserved this book on " + dateReserved.ToString("dddd, dd MMMM yyyy"), "Error");
}
else
{
//add book to tabReserved
DateTime todayDate = DateTime.Now;
string todayReservedDate = todayDate.ToString("dddd, dd MMMM yyyy HH:mm:ss");
bl.InsertBookTabReserved(staticUID, ISBN, todayReservedDate);
MessageBox.Show("You just reserved the book " + showBooks_dataGridView.SelectedRows[0].Cells[1].Value.ToString(), "Reservation Confirmation");
}
}
}
else if (dialogResult == DialogResult.No)
{
//do nothing
}
}
//refresh list user with image
loadDataGridViewWithImage(null, e);
}
}
