Extract methods to calculate hot score period

lib/score_calculator.rb

@@ -3,10 +3,7 @@ module ScoreCalculator
   def self.hot_score(resource)
     return 0 unless resource.created_at
 
-    period = [
-      Setting["hot_score_period_in_days"].to_i,
-      ((Time.current - resource.created_at) / 1.day).ceil
-    ].min
+    period = [max_period, resource_age(resource)].min
 
     votes_total = resource.votes_for.where("created_at >= ?", period.days.ago).count
     votes_up  = resource.get_upvotes.where("created_at >= ?", period.days.ago).count
@@ -27,4 +24,12 @@ module ScoreCalculator
     score * (votes_up / votes_total) * 100
   end
 
+  def self.max_period
+    Setting["hot_score_period_in_days"].to_i
+  end
+
+  def self.resource_age(resource)
+    ((Time.current - resource.created_at) / 1.day).ceil
+  end
+
 end