gistfile1.rb

  def create
    @tip = current_user.tips.build(params[:tip])        
    @option_string = params[:option_string] || ""
    if @tip.valid?
      # Try and lookup location if no direct match then prompt user with options
      unless @tip.location_id
        @locations = Location.find_all_by_name(@tip.location_name) || []
        if @locations.empty?
          @locations = Location.search(:conditions => {:name => @tip.location_name}, :star => true, :match_mode => :any)
        end
        if @locations.size == 1    
          @tip.location = @locations.first
        else
          @locations = @locations[0..MAX_LOCATION_CHOICES-1]
          render :action => :set_location and return
        end
      end
    else
      render :action => :new and return
    end
    @tip.save!
    flash[:notice] = "Tip successfully added!"
    redirect_to mobile_tips_path
  end