static void CreateBookStudentRandom(int countOfBS)
{
XElement rootStudent = new Student().ReadFromXml("Students.xml");
XElement rootBook = new Book().ReadFromXml("Books.xml");
List <Book> books = Book.ConvertXelementToListBooks(rootBook);
List <Student> students = Student.ConvertXelementToListStudent(rootStudent);
List <BookAndStudent> BS = new List <BookAndStudent>();
Random rmd = new Random();
for (int i = 0; i < countOfBS; i++)
{
Book tmpBook = books[rmd.Next(0, 10)];
Student tmpStd = students[rmd.Next(0, 10)];
BookAndStudent tmp = BookAndStudent.CreateNote(tmpBook, tmpStd);
BS.Add(tmp);
}
for (int i = 0; i < BS.Count; i++)
{
BS[i].WriteTOXml("BooksAndStudents.xml");
}
}
/// <summary>
/// Convert to BookStudent
/// </summary>
/// <param name="xel"></param>
/// <returns></returns>
public static List <BookAndStudent> ConvertXelementToListBookStudent(XElement xel)
{
List <BookAndStudent> listBook = new List <BookAndStudent>();
foreach (XElement item in xel.Elements("bookandstudent"))
{
BookAndStudent tmp = new BookAndStudent
{
Book = new Book(),
Student = new Student()
};
tmp.Student.Address = item.Element("address").Value;
tmp.Student.Name = item.Element("name").Value;
tmp.Student.Faculty = item.Element("faculty").Value;
tmp.Student.Group = item.Element("faculty").Attribute("group").Value;
tmp.Student.Course = item.Element("faculty").Attribute("course").Value;
tmp.Book.Title = item.Element("title").Value;
tmp.Book.Author = item.Element("author").Value;
tmp.Book.Edition = item.Element("edition").Value;
tmp.Book.Pages = Convert.ToInt32(item.Element("edition").Attribute("pages").Value);
tmp.Book.Price = Convert.ToInt32(item.Element("edition").Attribute("price").Value);
tmp.StartRead = item.Element("getdate").Value;
tmp.EndRead = item.Element("returndate").Value;
listBook.Add(tmp);
}
return(listBook);
}
static void Main(string[] args)
{
//CreateRandomBook(10);
//CreateRandomStudent(10);
//CreateBookStudentRandom(50);
XElement el = new BookAndStudent().ReadFromXml("BooksAndStudents.xml");
List <BookAndStudent> tmp = BookAndStudent.ConvertXelementToListBookStudent(el);
BookAndStudent del = tmp.FirstOrDefault(x => x.Student.Name == "Studnet");
tmp.Remove(del);
BookAndStudent.WriteListBookStudent(tmp, "BooksAndStudents.xml");
Console.Read();
}
/// <summary>
/// Create BookAndStudent
/// </summary>
/// <param name="book"></param>
/// <param name="student"></param>
/// <returns></returns>
public static BookAndStudent CreateNote(Book book, Student student)
{
if (book == null || student == null)
{
return(null);
}
BookAndStudent tmp = new BookAndStudent();
tmp.Book = book;
tmp.Student = student;
tmp.StartRead = DateTime.Now.ToString();
tmp.EndRead = DateTime.Now.ToString();
return(tmp);
}
