public async Task <IActionResult> Index(string sortOrder, string currentFilter, string searchString, int?pageIndex = 1, int pageSize = 10)
{
ViewData["CurrentPageSize"] = pageSize;
ViewData["CurrentSort"] = sortOrder;
ViewData["NameSortParm"] = string.IsNullOrEmpty(sortOrder) ? "name_desc" : "";
ViewData["SlugSortParm"] = sortOrder == "Slug" ? "slug_desc" : "Slug";
ViewData["CreatedDateSortParm"] = sortOrder == "CreatedDate" ? "createdDate_desc" : "CreatedDate";
ViewData["ModifiedDateSortParm"] = sortOrder == "ModifiedDate" ? "modifiedDate_desc" : "ModifiedDate";
if (searchString != null)
{
pageIndex = 1;
}
else
{
searchString = currentFilter;
}
ViewData["CurrentFilter"] = searchString;
Expression <Func <Tag, bool> > filter = null;
if (!string.IsNullOrEmpty(searchString))
{
filter = c => c.Name.Contains(searchString) || c.Slug.Contains(searchString);
}
Func <IQueryable <Tag>, IOrderedQueryable <Tag> > orderBy = null;
switch (sortOrder)
{
case "name_desc":
orderBy = q => q.OrderByDescending(c => c.Name);
break;
case "Slug":
orderBy = q => q.OrderBy(c => c.Slug);
break;
case "slug_desc":
orderBy = q => q.OrderByDescending(c => c.Slug);
break;
case "CreatedDate":
orderBy = q => q.OrderBy(c => c.CreatedDate);
break;
case "createdDate_desc":
orderBy = q => q.OrderByDescending(c => c.CreatedDate);
break;
case "ModifiedDate":
orderBy = q => q.OrderBy(c => c.ModifiedDate);
break;
case "modifiedDate_desc":
orderBy = q => q.OrderByDescending(c => c.ModifiedDate);
break;
default:
orderBy = q => q.OrderBy(c => c.Name);
break;
}
var tags = await _tagServices.GetAsync(filter : filter, orderBy : orderBy, pageIndex : pageIndex ?? 1, pageSize : pageSize);
return(View(tags));
}