public async Task <IActionResult> Index(int criteria, int?page)
{
ViewData["Header"] = "BlogApp";
ApplicationUser user = _userManager.GetUserAsync(HttpContext.User).Result;
ViewBag.Message = $"Welcome {user.UserName}!";
var posts = _homePageService.GetAllPosts();
//switch by criteria
switch (criteria)
{
case 0:
posts = posts.OrderByDescending(service => service.PostedAt);
break;
case 1:
posts = posts.OrderBy(service => service.PostedAt);
break;
case 2:
posts = posts.OrderBy(service => service.Headline);
break;
case 3:
posts = posts.OrderBy(service => service.UserName);
break;
}
int pageSize = 5;
ViewBag.SortingCriteria = criteria;
return(View(await PaginatedList <Post> .CreateAsync(posts, page ?? 1, pageSize)));
}