private IQueryable <Book> SearchForValue(IQueryable <Book> queryable, PaginationandFilterParameters filterParameters)
{
return(queryable.Where(o => (o.Title.ToLower().Contains(filterParameters.SearchText.Trim().ToLower()) ||
o.ShortDescr.ToLower().Contains(filterParameters.SearchText.Trim().ToLower()) ||
o.ISBN.ToLower().Contains(filterParameters.SearchText.Trim().ToLower()) ||
o.LongDescr.ToLower().Contains(filterParameters.SearchText.Trim().ToLower()))));
}
public async Task GetAllTest_returnsRequestedNumberOfResultsPerPage()
{
//setup
var books = CreateBooks(30);
var mockParameters = new PaginationandFilterParameters();
mockParameters.PageSize = 7;
mockParameters.PageNumber = 1;
PagedResponse <Book> mockData = new PagedResponse <Book>();
mockData.Results = books;
mockData.PageSize = 7;
mockData.CurrentPage = 1;
// Arrange
_mockBookService.Setup(b => b.GetBooksAsync(mockParameters)).Returns(Task.FromResult(mockData));
var sut = new BooksController(_mockLogger.Object, _mockBookService.Object, _mockMapper.Object);
// Act
var result = (OkObjectResult)await sut.GetAll(mockParameters);
var objectValue = (PagedResponse <Book>)result.Value;
// Assert
Assert.AreEqual(mockParameters.PageSize, objectValue.PageSize);
}
public async Task <IActionResult> GetAll([FromQuery] PaginationandFilterParameters paginationParameters = null)
{
_logger.LogInformation("Get all books");
var books = await _bookService.GetBooksAsync(paginationParameters);
return(Ok(books));
}
public async Task <PagedResponse <Book> > GetBooksAsync(PaginationandFilterParameters paginationParameters = null)
{
PagedResponse <Book> result = new PagedResponse <Book>();
try
{
var queryable = _dataContext.Books.AsQueryable();
if (!String.IsNullOrEmpty(paginationParameters.SearchText))
{
queryable = SearchForValue(queryable, paginationParameters);
}
result = await PaginateBookRecords(queryable, paginationParameters);
}
catch (Exception ex)
{
throw new Exception("Unable to retrieve records" + ex.ToString());
}
return(result);
}
private async Task <PagedResponse <Book> > PaginateBookRecords(IQueryable <Book> queryable, PaginationandFilterParameters paginationParameters = null)
{
PagedResponse <Book> result = new PagedResponse <Book>();
if (paginationParameters != null)
{
result = await Utilities.GetPaged <Book>(queryable, paginationParameters.PageNumber, paginationParameters.PageSize);
}
else
{
//if pagination parameters are null return all records on page 1
result = await Utilities.GetPaged <Book>(queryable, 1, queryable.Count());
}
return(result);
}
