public async void CanSearchByAuthor()
{
// Arrange
var service = new VolumeService();
// Act
var searchResult = await service.SearchByAuthorAsync("Isaac Asimov");
// Assert
Assert.NotNull(searchResult);
Assert.NotEqual(0, searchResult.TotalItems);
Assert.Equal("Isaac Asimov", searchResult.Items.First().VolumeInfo.Authors.First());
}
public async void CanGetMoreThan40Books()
{
// Arrange
var service = new VolumeService();
const int maxBooks = 120;
// Act
var searchResult = await service.SearchByAuthorAsync("Terry Pratchett", maxBooks);
// Assert
Assert.NotNull(searchResult);
Assert.NotEqual(0, searchResult.TotalItems);
Assert.InRange(searchResult.Items.Count(), 41, maxBooks);
}
private async Task <List <Book> > GenerateBooksAsync()
{
var authors = _context.Author.ToList();
var languages = _context.BookLanguage.ToList();
var publishers = _context.Publisher.ToList();
var categories = _context.Category.ToList();
var books = new List <Book>();
var service = new VolumeService();
Console.WriteLine("Downloading data from the Google Books...");
foreach (var author in authors)
{
var authorBooks = new List <Book>();
Console.WriteLine($"Searching for the books by {author.Name}...");
var searchResult = await service.SearchByAuthorAsync(author.Name, 80);
Console.WriteLine($"{searchResult.Items.Count()} books have been found and downloaded.");
Console.WriteLine("Processing book data...");
foreach (var item in searchResult.Items)
{
// Skip Google Books which are not for sale or which do not match the database
if (item.SaleInfo.Saleability != "FOR_SALE" ||
author.Name != item.VolumeInfo.Authors.First() ||
!publishers.Any(p => p.Name == item.VolumeInfo.Publisher) ||
!categories.Any(c => c.Name == item.VolumeInfo.Categories.First()) ||
!languages.Any(l => l.Code == item.VolumeInfo.Language) ||
!item.VolumeInfo.IndustryIdentifiers.Any(ii => ii.Type == "ISBN_13")
)
{
continue;
}
var volumeData = item.VolumeInfo;
var saleData = item.SaleInfo;
var book = new Book()
{
Title = volumeData.Title,
Subtitle = volumeData.Subtitle,
AuthorId = author.AuthorId,
PublisherId = publishers.First(p => p.Name == volumeData.Publisher).PublisherId,
Description = volumeData.Description,
IsMature = volumeData.MaturityRating != "NOT_MATURE",
Isbn10 = volumeData.IndustryIdentifiers.First(ii => ii.Type == "ISBN_10").Identifier,
Isbn13 = volumeData.IndustryIdentifiers.First(ii => ii.Type == "ISBN_13").Identifier,
TotalPages = volumeData.PageCount,
CategoryId = categories.First(c => c.Name == volumeData.Categories.First()).CategoryId,
CoverImage = await ImageHelper.DownloadImageAsync(volumeData.ImageLinks.Thumbnail),
CoverImageType = "jpeg",
BookLanguageId = languages.First(l => l.Code == volumeData.Language).BookLanguageId,
Price = saleData.RetailPrice.Amount,
DownloadLink = volumeData.CanonicalVolumeLink
};
string publicationDate = volumeData.PublishedDate;
if (publicationDate.Length == 4) // If there is only year in the publication date
{
publicationDate += "-01-01"; // add month and day to be able to store the date
}
book.PublicationDate = DateTime.Parse(publicationDate);
authorBooks.Add(book);
}
books.AddRange(authorBooks);
Console.WriteLine($"{authorBooks.Count()} have been saved.");
}
return(books);
}