private async void postClicked(object sender, EventArgs e)
{
string FileName = generate.generateFileKey();
IFolder folder = FileSystem.Current.LocalStorage;
// post a new book
if (bookName.Text != null && bookType.Text != null && mediaFile != null)//conditons all fields need to be filled
{
IFile file = await folder.CreateFileAsync(FileName, CreationCollisionOption.FailIfExists);
string content = description.Text;
await file.WriteAllTextAsync(content);
BookDetail aBookInfo = new BookDetail();
aBookInfo.booksName = bookName.Text;
aBookInfo.booksType = bookType.Text;
aBookInfo.description = description.Text;
aBookInfo.ownersID = currentID;
aBookInfo.getDescriptionFile = FileName;
aBookInfo.booksCover = mediaFile.Path;
App.databaseBook.saveBook(aBookInfo);
await Navigation.PopModalAsync();
await DisplayAlert("", "post successfully", "ok");
}
else
{
await DisplayAlert("", "enter all fields", "ok");
}
}
public void setData(BookDetail book) //fecth the data for the seletced book
{
thisBook = book;
loadBookCover.Source = thisBook.booksCover;
name.Text = thisBook.booksName;
type.Text = thisBook.booksType;
getDescription.Text = thisBook.description;
view.Text = thisBook.booksViewed.ToString();
borrow.Text = thisBook.booksLended.ToString();
}
//save or update
public int saveBook(BookDetail book)
{
if (book.ID > 0)
{
return(bDatabase.Update(book));
}
else
{
return(bDatabase.Insert(book));
}
}
public void SetData(BookDetail book) //fetch the book data
{
SelectedBook = book;
images.Source = SelectedBook.booksCover;
name.Text = SelectedBook.booksName;
type.Text = SelectedBook.booksType;
oname.Text = App.Database.getCurrentUserName(SelectedBook.ownersID);
description.Text = SelectedBook.description;
viewTimes.Text = SelectedBook.booksViewed.ToString();
lendedTime.Text = SelectedBook.booksLended.ToString();
}
private async void booksLendedSelected(object sender, SelectedItemChangedEventArgs e)
{
if (e.SelectedItem == null)
{
return;
}
BookDetail selectedBook = e.SelectedItem as BookDetail;
booksBeBorrowed.setData(selectedBook);
await Navigation.PushModalAsync(booksBeBorrowed, true);
((ListView)sender).SelectedItem = null; // de-select the row
}
public void setData(BookDetail book) //get the selected book details
{
selectedBook = book;
images.Source = selectedBook.booksCover;
bName.Text = selectedBook.booksName;
bType.Text = selectedBook.booksType;
bookDescription.Text = selectedBook.description;
viewTime.Text = selectedBook.booksViewed.ToString();
borrow.Text = selectedBook.booksLended.ToString();
bOwner.Text = App.Database.getCurrentUserName(selectedBook.ownersID);
startD.Text = selectedBook.getBrorrowedDate;
endD.Text = selectedBook.getReturnedDate;
}
public void setData(BookDetail book)//get the book detials
{
bookBeingBorrowed = book;
images.Source = bookBeingBorrowed.booksCover;
name.Text = bookBeingBorrowed.booksName;
type.Text = bookBeingBorrowed.booksType;
Bername.Text = App.Database.getCurrentUserName(Convert.ToInt32(bookBeingBorrowed.borrowersID));
email.Text = App.Database.getCurrentUserNameEmail(Convert.ToInt32(bookBeingBorrowed.borrowersID));
view.Text = bookBeingBorrowed.booksViewed.ToString();
borrow.Text = bookBeingBorrowed.booksLended.ToString();
getDescription.Text = bookBeingBorrowed.description;
startDate.Text = bookBeingBorrowed.getBrorrowedDate.ToString();
returnDate.Text = bookBeingBorrowed.getReturnedDate.ToString();
}
private async void bookSelected(object sender, SelectedItemChangedEventArgs e) //select the book for borrowing
{
if (e.SelectedItem == null)
{
return;
}
BookDetail selectedBook = e.SelectedItem as BookDetail;
selectedBook.booksViewed = selectedBook.booksViewed + 1;
App.databaseBook.saveBook(selectedBook);
bb.SetData(selectedBook);
await Navigation.PushModalAsync(bb, true);
((ListView)sender).SelectedItem = null; // de-select the row
}
public modifyYourBookPage(BookDetail book)
{
thisBook = book;
InitializeComponent();
}
//delete
public int deleteBook(BookDetail book)
{
return(bDatabase.Delete(book));
}
public viewBorrowedBook(BookDetail book)
{
selectedBook = book;
InitializeComponent();
}
public viewLendedBook(BookDetail book)
{
bookBeingBorrowed = book;
InitializeComponent();
}
public borrowBook(BookDetail book)//constructor take book as argument
{
SelectedBook = book;
InitializeComponent();
}
