protected void Page_Load(object sender, EventArgs e)
{
var client = new Service.BooksService();
var categories = client.GetCategoryList();
if (!IsPostBack)
{
//populate category dropdownlist
foreach (Category c in categories)
{
var item = new ListItem(c.CategoryName, c.CategoryId.ToString());
catDDL.Items.Add(item);
}
//populate detailed books table
booksRepeater.DataSource = client.GetDetailedBookList();
booksRepeater.DataBind();
}
}
protected void newBookButton_Click(object sender, EventArgs e)
{
var isbn = isbnTxtBox.Text;
var title = titleTxtBox.Text;
var authorNames = authorTxtBox.Text.Split(' ').ToList();
var publisher = publisherTxtBox.Text;
var category = categoryTxtBox.Text;
if (!string.IsNullOrWhiteSpace(isbn) && !string.IsNullOrWhiteSpace(title) &&
!string.IsNullOrWhiteSpace(authorTxtBox.Text) && !string.IsNullOrWhiteSpace(publisher) &&
!string.IsNullOrWhiteSpace(category))
{
var client = new Service.BooksService();
var book = new DetailedBook()
{
ISBN = isbn,
Title = title,
Author = new Author
{
FirstName = authorNames.First(),
LastName = authorNames.Last()
},
Publisher = new Publisher
{
PublisherName = publisher
},
Category = new Category
{
CategoryName = category
}
};
//submit book
client.AddDetailedBook(book);
//reload table content
booksRepeater.DataSource = client.GetDetailedBookList();
booksRepeater.DataBind();
}
}
protected void searchButton_Click(object sender, EventArgs e)
{
var searchKeyword = searchTxtBox.Text;
var client = new Service.BooksService();
if (!string.IsNullOrWhiteSpace(searchKeyword))
{
var bookList = client.GetDetailedBookList();
List <DetailedBook> resultList = null;
switch (criteriaDDL.SelectedValue)
{
case "ISBN":
resultList = bookList.Where(b => b.ISBN.Contains(searchKeyword)).ToList();
break;
case "Title":
resultList = bookList.Where(b => b.Title.ToLower().Contains(searchKeyword.ToLower())).ToList();
break;
case "Author":
var names = searchKeyword.ToLower().Split(' ').ToList();
resultList = bookList
.Where(a => names.All(b => (a.Author.FirstName.ToLower() + " " + a.Author.LastName.ToLower()).Split(' ')
.Contains(b)))
.ToList();
break;
case "Publisher":
resultList = bookList.Where(b => b.Publisher.PublisherName.ToLower().Contains(searchKeyword.ToLower())).ToList();
break;
}
//check if should filter by category
if (catDDL.SelectedIndex > 0)
{
var category = catDDL.SelectedItem.Text;
booksRepeater.DataSource = resultList
.Where(b => b.Category.CategoryName.Equals(category)).ToList();
}
else
{
booksRepeater.DataSource = resultList;
}
}
else //default if user input is missing
{
//check if should filter by category
if (catDDL.SelectedIndex > 0)
{
var category = catDDL.SelectedItem.Text;
booksRepeater.DataSource = client.GetDetailedBookList()
.Where(b => b.Category.CategoryName.Equals(category)).ToList();
}
else
{
booksRepeater.DataSource = client.GetDetailedBookList();
}
}
booksRepeater.DataBind();
}
