public string Add(AuthorDTO dto)
{
if (string.IsNullOrEmpty(dto.FirstName))
{
throw new InvalidAuthorException("INVALID AUTHOR FIRSTNAME");
}
if (string.IsNullOrEmpty(dto.LastName))
{
throw new InvalidAuthorException(" INVALID AUTHOR LASTNAME");
}
Author author;
var context = new LibraryDBContext();
author = context.Authors.SingleOrDefault(authorL => (authorL.FirstName + authorL.LastName) == (dto.FirstName + dto.LastName));
if (author == null)
{
author = new Author();
author.FirstName = dto.FirstName;
author.LastName = dto.LastName;
author.ID = dto.generateID();
context.Authors.Add(author);
context.SaveChanges();
return(author.ID);
}
else
{
return(author.ID);
}
}
public bool Update(AuthorDTO dto)
{
var context = new LibraryDBContext();
Author author = context.Authors.SingleOrDefault(authorL => (authorL.FirstName + authorL.LastName).Contains(dto.FirstName));
if (author == null)
{
throw new InvalidPublisherException("AUTHOR NOT FOUND");
}
if (dto.FirstName != null)
{
author.FirstName = dto.FirstName;
}
if (dto.LastName != null)
{
author.LastName = dto.LastName;
}
context.SaveChanges();
return(true);
}
/// <summary>
/// This method reads the data of the book and sends the data to dto classes and call addbook method in bookmanager
/// </summary>
public static void AddBookOption()
{
BookDTO bookDTO = new BookDTO();
AuthorDTO authorDTO = new AuthorDTO();
PublisherDTO publisherDTO = new PublisherDTO();
BookRepositoryDTO bookRepoDTO = new BookRepositoryDTO();
Console.Write("\nEnter Title : ");
bookDTO.Title = Console.ReadLine();
while (true)
{
Console.WriteLine("1.Science&Technology 2.Romance 3.Literature 4.Biography 5.History");
Console.Write("\nSelect GenreType : ");
int genre = 0;
int.TryParse(Console.ReadLine(), out genre);
if (genre == 0 || genre < 0 || genre > 5)
{
Console.WriteLine("Please enter correct value");
continue;
}
else
{
switch (genre)
{
case 1: bookDTO.GenreType = "Science&Technology";
break;
case 2: bookDTO.GenreType = "Romance";
break;
case 3: bookDTO.GenreType = "Literature";
break;
case 4: bookDTO.GenreType = "Biography";
break;
case 5: bookDTO.GenreType = "History";
break;
default: Console.WriteLine("Enter correct value");
break;
}
break;
}
}
while (true)
{
Console.Write("\nEnter Author FirstName :");
authorDTO.FirstName = Console.ReadLine();
Console.Write("\nEnter Author LastName :");
authorDTO.LastName = Console.ReadLine();
bookDTO.AuthorDTOlist.Add(authorDTO);
//Author author = authormanager.Get(authorDTO.FirstName);
//if (author == null)
//{
// bookDTO.AuthorIDlist.Add(authormanager.Add(authorDTO));
//}
//else
// bookDTO.AuthorIDlist.Add(author.ID);
Console.Write("\n Do you want to enter more authors Yes/No : ");
if (string.Equals("No", Console.ReadLine(), StringComparison.CurrentCultureIgnoreCase))
{
break;
}
}
Console.Write("\n Enter Publisher Name : ");
publisherDTO.Name = Console.ReadLine();
Console.Write("\n Enter Publisher MoblieNumber : ");
publisherDTO.ContactNumber = long.Parse(Console.ReadLine());
bookDTO.publisherDTO = publisherDTO;
//Publisher publisher = publishermanager.Get(publisherDTO.Name);
//if (publisher == null)
//{
// bookDTO.publisherID = publishermanager.Add(publisherDTO);
//}
//else
// bookDTO.publisherID = publisher.ID;
Console.Write("\n Enter Edition : ");
bookRepoDTO.Edition = Console.ReadLine();
Console.Write("\n Enter Price : ");
bookRepoDTO.Price = Double.Parse(Console.ReadLine());
Console.Write("\n Enter Number of Copies : ");
int numberofbooks = 0;
int.TryParse(Console.ReadLine(), out numberofbooks);
bookRepoDTO.NumberOfCopies = numberofbooks;
bookDTO.BookRepositoryDTO = bookRepoDTO;
if (bookmanager.AddBook(bookDTO) != null)
{
Console.WriteLine("BOOK ADDED SUCCESSFULLY");
}
else
{
Console.WriteLine("SOMETHING WENT WRONG IN ADDING BOOK");
}
}