public async Task <Paging <BookApiResult> > FindBook(string term, int page)
{
List <BookApiResult> results = new List <BookApiResult>();
var index = (page - 1) * 10;
try
{
var response = await bookApi.GetAsync($"volumes?q={term}&startIndex={index}&key={key}");
response.EnsureSuccessStatusCode();
var bookInfo = await response.Content.ReadAsAsync <BookSearchResults>();
foreach (var book in bookInfo.Items)
{
var newBook = _mapper.Map <BookApiResult>(book.VolumeInfo);
if (newBook.ISBN10 != null)
{
results.Add(newBook);
}
}
return(Paging <BookApiResult> .ApplyPaging(bookInfo.TotalItems, results, page));
}
catch
{
return(Paging <BookApiResult> .ApplyPaging(0, results, page));
}
}
public void ApplyPaging_0ItemsAndDefaultPageSizeOf10AndCurrentPageOf1_ShouldHave0TotalItemsAndBothHavePrevAndHaveNextFalseAndTotalPagesOf0()
{
var page = Paging <int> .ApplyPaging(0, new List <int>(), 1);
Assert.Equal(0, page.TotalRecords);
Assert.False(page.HasPrev);
Assert.False(page.HasNext);
Assert.Equal(0, page.TotalPages);
}
public void ApplyPaging_20ItemsAndDefaultPageSizeOf10AndCurrentPageOf2_ShouldHave20TotalRecordsAndHasPrevTrueHasNextFalseAndTotalPagesOf2()
{
var list = Enumerable.Repeat(1, 20).ToList();
var page = Paging <int> .ApplyPaging(list.Count(), list, 2);
Assert.Equal(20, page.TotalRecords);
Assert.True(page.HasPrev);
Assert.False(page.HasNext);
Assert.Equal(2, page.TotalPages);
}
