public async Task <ActionResult <List <LibraryBookDto> > > GetBooksByAuthor(GetBooksByAuthorQuery request)
{
var response = await Mediator.Send(request);
if (response.Succeeded)
{
return(((QueryResult <List <LibraryBookDto> >)response).Value);
}
return(StatusCode(_errorToStatusCode.Convert(response.ErrorType)));
}
public async Task SendNonExistingAuthor_ShouldReturnNotFoundError()
{
var query = new GetBooksByAuthorQuery()
{
AuthorName = "Not existing author",
CurrentlyAvailableOnly = false
};
var result = await SendAsync(query);
result.Succeeded.Should().BeFalse();
result.ErrorType.Should().Equals(RequestError.NotFound);
}
public async Task SendQueryWithDefaultFields_ShouldReturnValidationError()
{
var query = new GetBooksByAuthorQuery()
{
AuthorName = string.Empty,
CurrentlyAvailableOnly = false
};
var result = await SendAsync(query);
result.Succeeded.Should().BeFalse();
result.ErrorType.Should().Be(RequestError.ValidationError);
}
public async Task SendValidQuery_ShouldGetAuthorsBooks()
{
var neededBook_1 = await Arrange.SeedBookToLibrary(Arrange.Title, Arrange.Author_1);
var neededBook_2 = await Arrange.SeedBookToLibrary(Arrange.Title + "_2", Arrange.Author_1);
var otherBook_3 = await Arrange.SeedBookToLibrary(Arrange.Title + "_3", Arrange.Author_2);
var query = new GetBooksByAuthorQuery()
{
AuthorName = Arrange.Author_1,
CurrentlyAvailableOnly = false
};
var result = await SendAsync(query);
result.Succeeded.Should().BeTrue();
((QueryResult <List <LibraryBookDto> >)result).Value.Should().OnlyContain(b => b.Id == neededBook_1.Id || b.Id == neededBook_2.Id);
}
public BasePagedAndSortedResult <GetBookByIdResponse> Handle(GetBooksByAuthorQuery query)
{
using (var ctx = new BookshelfDbContext(_connectionString))
{
var booksQueryable = ctx.Books
.Where(q => q.AuthorId == query.AuthorId && q.IsActive)
.Include(p => p.BookTags)
.Select(q => new GetBookByIdResponse
{
Id = q.Id,
Title = q.Title,
MaxLoanDays = q.MaxLoanDays,
Pages = q.Pages,
AuthorId = q.AuthorId,
BookTags = q.BookTags.Select(q => new BookTagResponse
{
Id = q.Id,
Tag = q.Tag
}).ToList()
});
return(BasePagedAndSortedResult.GenerateFromQueryable(booksQueryable, query));
}
}
