Deduplicates calculation of health from a score

Author: aridlehoover

app/controllers/dashboard_controller.rb

@@ -86,13 +86,7 @@ def calculate_system_health
 
     average = health_values.sum(0.0) / health_values.length
 
-    if average > 0.5
-      :on_track
-    elsif average <= -0.5
-      :off_track
-    else
-      :at_risk
-    end
+    HealthRollup.health_from_score(average)
   end
 
   def build_team_data(teams)

lib/domain/dashboard/system_trend_service.rb

@@ -69,13 +69,7 @@ def week_start_for(date)
   end
 
   def score_to_health(score)
-    if score > 0.5
-      :on_track
-    elsif score <= -0.5
-      :off_track
-    else
-      :at_risk
-    end
+    HealthRollup.health_from_score(score)
   end
 
   def weeks_of_data

lib/domain/initiatives/initiative_trend_service.rb

@@ -67,13 +67,7 @@ def week_start_for(date)
   end
 
   def score_to_health(score)
-    if score > 0.5
-      :on_track
-    elsif score <= -0.5
-      :off_track
-    else
-      :at_risk
-    end
+    HealthRollup.health_from_score(score)
   end
 
   def weeks_of_data

lib/domain/projects/project_trend_service.rb

@@ -88,13 +88,7 @@ def week_start_for(date)
   end
 
   def score_to_health(score)
-    if score > 0.5
-      :on_track
-    elsif score <= -0.5
-      :off_track
-    else
-      :at_risk
-    end
+    HealthRollup.health_from_score(score)
   end
 
   def weeks_of_data

lib/domain/teams/team.rb

@@ -34,13 +34,8 @@ def health
     return :not_available if health_values.empty?
 
     average = health_values.sum(0.0) / health_values.length
-    if average > 0.5
-      :on_track
-    elsif average <= -0.5
-      :off_track
-    else
-      :at_risk
-    end
+
+    HealthRollup.health_from_score(average)
   end
 
   def health_raw_score

lib/domain/teams/team_trend_service.rb

@@ -66,13 +66,7 @@ def week_start_for(date)
   end
 
   def score_to_health(score)
-    if score > 0.5
-      :on_track
-    elsif score <= -0.5
-      :off_track
-    else
-      :at_risk
-    end
+    HealthRollup.health_from_score(score)
   end
 
   def weeks_of_data