Move current budget's geolocated investments code to helper function

app/controllers/budgets_controller.rb

@@ -16,8 +16,7 @@ class BudgetsController < ApplicationController
   def index
     @budgets = @budgets.order(:created_at)
     @budget = current_budget
-    budgets_map_locations = current_budget.investments.map{ |investment| investment.map_location }.compact
-    @budgets_coordinates = budgets_map_locations.map{ |ml| {lat: ml.latitude, long: ml.longitude, investment_title: ml.investment.title , investment_id: ml.investment.id, budget_id: ml.investment.budget.id}}
+    @budgets_coordinates = current_budget_map_locations
   end
 
 end

app/helpers/budgets_helper.rb

@@ -53,4 +53,16 @@ module BudgetsHelper
     !budget.drafting? || current_user&.administrator?
   end
 
+  def current_budget_map_locations
+    current_budget.investments.map do |investment|
+      next unless investment.map_location.present?
+      {
+        lat: investment.map_location.latitude,
+        long: investment.map_location.longitude,
+        investment_title: investment.title,
+        investment_id: investment.id,
+        budget_id: current_budget.id
+      }
+    end.flatten.compact
+  end
 end