public void Grouping_GroupBy()
{
// Arrange
var products = FakeProduct.Data.Generate(5);
// Act
var result = _grouping.GroupBy(products);
// see projection
var allFootballProducts = result.Where(x => x.Key).SelectMany(x => x);
var allBasketballProducts = result.Where(x => !x.Key).SelectMany(x => x);
// Assert
Assert.True(allFootballProducts.All(x => x.Category == "Football"));
Assert.True(allBasketballProducts.All(x => x.Category == "Basketball"));
}
private static IEnumerable <TagLi> GroupsBlock(Grouping <Section, Group> groups)
{
var courses = groups.GroupBy(x => x.Course_TC).ToList();
return(courses.Select(c => {
var course = c.First().Course;
var maxDiscount = c.Max(x => x.Discount);
return li.Style("margin:6px 0;")[
span[Anchor("/course/" + course.UrlName,
course.GetName()).AbsoluteHref(), "<br/>",
span.Style("color: rgb(172, 61, 75); font-weight: bold;")[
c.OrderBy(x => x.DateBeg)
.Select(x => x.DateBeg.NotNullString("dd.MM")).Distinct().JoinWith(", ")],
maxDiscount.IfNotNull(d =>
span.Style("color: rgb(172, 61, 75); font-weight: bold;")[
(c.Count() == 1 ? " — ñêèäêà {0}%!" : " — ñêèäêè äî {0}%!").FormatWith(d)])
]];
}));
}
