public IActionResult Index(SortState sortOrder, string searchString)
{
var contactsDto = db.Contacts
.Select(c => c.ToDto())
.ToList()
.AsQueryable();
ViewData["SearchString"] = searchString;
ViewData["NameSort"] = sortOrder == SortState.NameAscending ? SortState.NameDescending : SortState.NameAscending;
ViewData["LastNameSort"] = sortOrder == SortState.LastNameAscending ? SortState.LastNameDescending : SortState.LastNameAscending;
ViewData["PhoneNumberSort"] = sortOrder == SortState.PhoneNumberAscending ? SortState.PhoneNumberDescending : SortState.PhoneNumberAscending;
contactsDto = sortOrder switch
{
SortState.NameDescending => contactsDto.OrderByDescending(c => c.Name),
SortState.LastNameAscending => contactsDto.OrderBy(c => c.LastName),
SortState.LastNameDescending => contactsDto.OrderByDescending(c => c.LastName),
SortState.PhoneNumberAscending => contactsDto.OrderBy(c => c.PhoneNumber),
SortState.PhoneNumberDescending => contactsDto.OrderByDescending(c => c.PhoneNumber),
_ => contactsDto.OrderBy(c => c.Name),
};
if (searchString != null)
{
contactsDto = contactsDto
.Select(n => n)
.Where(c => (c.Name.Contains(searchString) || c.LastName.Contains(searchString) || c.PhoneNumber.Contains(searchString)));
}
return(View(contactsDto));
}
