gistfile1

def within_box_or_near(location_class, box, center)
  box.present? ? location_class.within_box(box) : location_class.near(center)
end

def filter(params)

  locations = {}

  within_box_or_near(Location.class_for_provider(services.shift), @box, @center).each do |location|
    locations[location.loc_hash] = location
  end

  services.each do |service|

    within_box_or_near(Location.class_for_provider(service), @box, @center).each do |location|

      # Look for an existing location in the same physical location
      primary_location = locations[location.loc_hash]

      if primary_location.present?
        # Merge location data for locations in the same physical location
        primary_location.write_attributes location.attributes
      else
        # Add the location if the service should be included in the results
        locations[location.loc_hash] = location if service.should_be_included?
      end

    end

  end

  locations

end