private async void InsertBook()
{
ErrorMsgVisibility = Visibility.Collapsed;
if (!CheckAllInputFields())
{
return;
}
var _searchedBook = BookCollection.FirstOrDefault(s => s.AuthorName == AuthorName);
// Check if there is already a book with same name and same authorname
if (_searchedBook != null && _searchedBook.BookName == BookName)
{
ErrorMsg = Properties.Resources.SameBookExistMsg;
ErrorMsgVisibility = Visibility.Visible;
return;
}
BookModel book = new BookModel()
{
BookId = DateTime.Now.ToString().GetHashCode().ToString("x"),
BookName = this.BookName,
AuthorName = this.AuthorName,
Quantity = Convert.ToInt32(this.Quantity)
};
_log.Message("Adding NewBook");
await _dataAccess.InsertData(book, Properties.Resources.InsertBook);
GetBooks();
InvokeBookUpdate();
ClearAllField();
}
private async void UpdateBook()
{
ErrorMsgVisibility = Visibility.Collapsed;
if (SelectedBook == null || !CheckAllInputFields())
{
ErrorMsg = Properties.Resources.SelectBookErrorMsg;
ErrorMsgVisibility = Visibility.Visible;
return;
}
var _searchedBook = BookCollection.FirstOrDefault(s => s.AuthorName == AuthorName);
// Check if there is already a book with same name and same authorname
if (_searchedBook != null && _searchedBook.BookName == BookName && Convert.ToInt32(Quantity) == _searchedBook.Quantity)
{
ErrorMsg = Properties.Resources.SameBookExistMsg;
ErrorMsgVisibility = Visibility.Visible;
return;
}
BookModel book = new BookModel()
{
BookId = SelectedBook.BookId,
BookName = this.BookName,
AuthorName = this.AuthorName,
Quantity = Convert.ToInt32(this.Quantity)
};
_log.Message("Updating Book");
await _dataAccess.UpdateData(book, Properties.Resources.UpdateBook);
GetBooks();
InvokeBookUpdate();
ClearAllField();
}
