Geocoding multiple addresses in one model

Question

I am trying to geocode 2 addresses in a model using geocoder and I can\'t get gem to work as I want to. Here is the code that I am applying to my model:

clas         


        

Answer 1

The problem and solution are mentioned here.

Add the following before_save and corresponding method to your model to solve the problem. Don't forget to repeat the part of code for the second location (maybe destination):

before_save :geocode_endpoints

  private
  #To enable Geocoder to works with multiple locations
  def geocode_endpoints
    if from_changed?
      geocoded = Geocoder.search(loc1).first
      if geocoded
        self.latitude = geocoded.latitude
        self.longitude = geocoded.longitude
      end
    end
    # Repeat for destination
        if to_changed?
      geocoded = Geocoder.search(loc2).first
      if geocoded
        self.latitude2 = geocoded.latitude
        self.longitude2 = geocoded.longitude
      end
    end
  end

Answer 2

Rewrite

def function
...
end

as:

def update_coordinates
  geocode
  [latitude, longitude, latitude2, longitude2]
end

And also:

geocoded_by :destination_address, :latitude => :latitude2, :longitude => :longitude2

You also don't need :latitude => :lat, :longitude => :lon here:

geocoded_by :source_address, ...

And finally, coordinates are fetched automatically after record is validated. So you could do without update_coordinates (or function, in your version) and arrange the view for show action like this:

<%= @sender.latitude %>
<%= @sender.longitude %>
<%= @sender.latitude2 %>
<%= @sender.longitude2 %>