/// <summary>
/// Adds a new user book read.
/// </summary>
/// <param name="bookReadAddRequest">The new book read to try to add.</param>
/// <returns>The action result.</returns>
public BookReadAddResponse AddNewBookRead(BookReadAddRequest bookReadAddRequest)
{
BookReadAddResponse response =
new BookReadAddResponse
{
ErrorCode = (int)BookReadAddResponseCode.Success,
FailReason = "",
UserId = bookReadAddRequest.UserId
};
// First check that the user exists
User userLogin =
_userDatabase.LoadedItems.FirstOrDefault(x => x.Id.ToString() == bookReadAddRequest.UserId);
if (userLogin == null)
{
response.ErrorCode = (int)BookReadAddResponseCode.UnknownUser;
response.FailReason = "Could not find this user.";
return(response);
}
// Check the book data is valid
BookRead newBook;
if (!GetBookRead(bookReadAddRequest, out newBook))
{
response.ErrorCode = (int)BookReadAddResponseCode.InvalidItem;
response.FailReason = "Invalid book data please try again.";
return(response);
}
// Check if this is duplicate
GeographyProvider geographyProvider;
BooksReadProvider booksReadProvider;
_books = new ObservableCollection <Book>();
if (GetProviders(out geographyProvider, out booksReadProvider))
{
BookRead match = booksReadProvider.BooksRead.FirstOrDefault(
x => x.Author == newBook.Author &&
x.Title == newBook.Title &&
x.DateString == newBook.DateString);
if (match != null)
{
response.ErrorCode = (int)BookReadAddResponseCode.Duplicate;
response.FailReason = "This book has already been added.";
return(response);
}
}
newBook.User = userLogin.Name;
_booksReadDatabase.AddNewItemToDatabase(newBook);
response.NewItem = new Book(newBook);
return(response);
}
/// <summary>
/// Gets if there is a valid new book read based on the request.
/// </summary>
/// <param name="addRequest">The request to add a book read.</param>
/// <param name="newBook">The new book to add on exit.</param>
/// <returns>True if a valid new book, false otherwise.</returns>
private bool GetBookRead(BookReadAddRequest addRequest, out BookRead newBook)
{
newBook = new BookRead
{
Author = addRequest.Author,
Title = addRequest.Title,
Pages = addRequest.Pages,
Note = addRequest.Note,
Nationality = addRequest.Nationality,
OriginalLanguage = addRequest.OriginalLanguage,
ImageUrl = addRequest.ImageUrl,
Tags = addRequest.Tags.ToList()
};
// Check the required strings are ok.
if (string.IsNullOrWhiteSpace(newBook.Author) ||
string.IsNullOrWhiteSpace(newBook.Title) ||
string.IsNullOrWhiteSpace(newBook.Nationality) ||
string.IsNullOrWhiteSpace(newBook.OriginalLanguage))
{
return(false);
}
// Check the format is valid
switch (addRequest.Format)
{
case "Book":
newBook.Format = BookFormat.Book;
break;
case "Comic":
newBook.Format = BookFormat.Comic;
break;
case "Audio":
newBook.Format = BookFormat.Audio;
break;
default:
return(false);
}
// Check the date
if (DateTime.Now < addRequest.Date || addRequest.Date < EarliestDate)
{
return(false);
}
// Set the date string
newBook.Date = addRequest.Date;
newBook.DateString =
SuffixedDaysOfMonths[newBook.Date.Day] + newBook.Date.ToString(" MMMM yyyy");
return(true);
}
public IActionResult Post([FromBody] BookReadAddRequest bookReadAddRequest)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
BookReadAddResponse response =
_booksDataControllerUtilities.AddNewBookRead(bookReadAddRequest);
return(Ok(response));
}