public async Task <ActionResult <IEnumerable <Event> > > GetEvents(GeoPoint location, double?radius, int?genre, int?host, int?artist)
{
var authorizedUser = await Authentication.GetAuthenticatedUserAsync(_context, Request);
if (authorizedUser.Result is UnauthorizedResult)
{
return(Unauthorized());
}
if (authorizedUser.Value == null)
{
return(Unauthorized());
}
using (var db = new GigFinderContext())
{
if (location == null && !genre.HasValue && !host.HasValue && !artist.HasValue)
{
return(await db.Events.Include(h => h.EventGenres).Where(e => e.HostId == authorizedUser.Value.Id || e.Participations.Any(p => p.ArtistId == authorizedUser.Value.Id)).ToListAsync());
}
var query = (IQueryable <Event>)db.Events.Include(h => h.EventGenres);
if (location != null && radius.HasValue)
{
query = query.Where(e => GeoPoint.CalculateDistance(location, new GeoPoint()
{
Longitude = e.Longitude, Latitude = e.Latitude
}) <= radius.Value);
}
if (genre.HasValue)
{
query = query.Where(e => e.EventGenres.Any(eg => eg.GenreId == genre));
}
if (host.HasValue)
{
query = query.Where(e => e.HostId == host);
}
if (artist.HasValue)
{
query = query.Where(e => e.Participations.Any(p => p.ArtistId == artist));
}
return(await query.ToListAsync());
}
}