public ActionResult Filter(SearchVenueViewModel model)
{
model.Venues = (List <VenueViewModel>)TempData["Venues"];
// Create new model to send to view
SearchVenueViewModel viewModel = new SearchVenueViewModel();
viewModel.Venues = new List <VenueViewModel>();
if (model.Venues.Count == 0)
{
ViewBag.Error = "No results to filter. Please click \"Reset all filters\"";
return(View("Index", viewModel));
}
// User entered a search string
if (!string.IsNullOrEmpty(model.Search))
{
// Search venue names and cities
viewModel.Venues.AddRange(model.Venues.Where(x => x.Name.CaseInsensitiveContains(model.Search)).ToList());
viewModel.Venues.AddRange(model.Venues.Where(x => x.City.CaseInsensitiveContains(model.Search)));
// Get first venue on list and assign coordinates to map center
var firstVenue = viewModel.Venues.FirstOrDefault();
if (firstVenue != null)
{
viewModel.CurrentLatitude = firstVenue.LatitudeCoord;
viewModel.CurrentLongitude = firstVenue.LongitudeCoord;
}
}
if (!string.IsNullOrEmpty(model.Filter))
{
// User chose to sort by rating
if (model.Filter.Equals("Rating"))
{
viewModel.Venues = model.Venues.OrderByDescending(x => x.AverageRating).ToList();
if (viewModel.Venues.Count == 0)
{
ViewBag.Error = "No search results matching given filters";
}
// Get first venue on list and assign coordinates to map center
var firstVenue = viewModel.Venues.FirstOrDefault();
if (firstVenue != null)
{
viewModel.CurrentLatitude = firstVenue.LatitudeCoord;
viewModel.CurrentLongitude = firstVenue.LongitudeCoord;
}
}
// User chose to filter by time
if (model.Filter.Equals("Time"))
{
//get all the buiness hours for all the venues
List <BusinessHours> hours = _venueService.GetAllBusinessHours();
//lets wait till time is NOT null
if (model.Time != null)
{
//convert user input string to a TimeSpan
TimeSpan hs = TimeSpan.Parse(model.Time);
var dayOfWeek = Enum.Parse(typeof(DayOfWeek), model.Day);
//First filter out using the days
List <BusinessHours> day_available = hours.Where(x => x.DayOfWeek == (int)dayOfWeek).ToList();
//Then use that list and filter the closed times
List <BusinessHours> closed_from = day_available.Where(x => x.CloseTime >= hs).ToList();
//Finally filter the list above and you have the remaning few which maches the days and the closing time
List <BusinessHours> open_from = closed_from.Where(x => x.OpenTime <= hs).ToList();
//If there are some in the list that matches the user input - else it didnt match
if (open_from.Count > 0)
{
foreach (var businessHour in open_from)
{
// Only keep venues that are in open_from
var venue = model.Venues.FirstOrDefault(x => x.VenueId == businessHour.VenueId);
if (venue != null && !viewModel.Venues.Contains(venue))
{
viewModel.Venues.Add(venue);
}
}
}
}
// Get first venue on list and assign coordinates to map center
var firstVenue = viewModel.Venues.FirstOrDefault();
if (firstVenue != null)
{
viewModel.CurrentLatitude = firstVenue.LatitudeCoord;
viewModel.CurrentLongitude = firstVenue.LongitudeCoord;
}
}
// User chose to filter by distance
if (model.Filter.Equals("Distance"))
{
foreach (var venue in model.Venues)
{
//get location of venue
Location location = _venueService.GetVenueLocation(venue.VenueId);
//converted coordinates from strings to doubles
double userLat = Convert.ToDouble(model.CurrentLatitude);
double userLong = Convert.ToDouble(model.CurrentLongitude);
double venLat = Convert.ToDouble(location.Latitude);
double venLong = Convert.ToDouble(location.Longitude);
//Calculate the distance from user to venue. Method at the bottom
venue.Distance = _venueService.CalculateVenueDistance(userLat, userLong, venLat, venLong);
viewModel.Venues.Add(venue);
}
viewModel.Venues = viewModel.Venues.OrderBy(x => x.Distance).ToList();
// Get closest venue to user and assign coordinates to map center
var closest = viewModel.Venues.First();
viewModel.CurrentLatitude = closest.LatitudeCoord;
viewModel.CurrentLongitude = closest.LongitudeCoord;
}
}
if (viewModel.Venues.Count == 0)
{
ViewBag.Error = "No search results matching given filters";
}
// Preserve search/filter values
viewModel.Day = model.Day;
viewModel.Time = model.Time;
viewModel.Search = model.Search;
if (string.IsNullOrEmpty(viewModel.CurrentLatitude))
{
viewModel.CurrentLatitude = model.CurrentLatitude;
viewModel.CurrentLongitude = model.CurrentLongitude;
}
model.Venues.Clear();
return(View("Index", viewModel));
}