dirty commit: can't get references to work correctly between any tables

app/presenters/dashboard/zones.rb

@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+
+module Dashboard
+  class Zones
+    def initialize(watch_low_benchmark:, growth_low_benchmark:, approval_low_benchmark:, ideal_low_benchmark:)
+      @watch_low_benchmark = watch_low_benchmark
+      @growth_low_benchmark = growth_low_benchmark
+      @approval_low_benchmark = approval_low_benchmark
+      @ideal_low_benchmark = ideal_low_benchmark
+      @warning_low_benchmark = 1
+    end
+
+    Zone = Struct.new(:low_benchmark, :high_benchmark, :type)
+
+    def all_zones
+      [
+        ideal_zone, approval_zone, growth_zone, watch_zone, warning_zone, insufficient_data
+      ]
+    end
+
+    def warning_zone
+      Zone.new(1, @watch_low_benchmark, :warning)
+    end
+
+    def watch_zone
+      Zone.new(@watch_low_benchmark, @growth_low_benchmark, :watch)
+    end
+
+    def growth_zone
+      Zone.new(@growth_low_benchmark, @approval_low_benchmark, :growth)
+    end
+
+    def approval_zone
+      Zone.new(@approval_low_benchmark, @ideal_low_benchmark, :approval)
+    end
+
+    def ideal_zone
+      Zone.new(@ideal_low_benchmark, 5.0, :ideal)
+    end
+
+    def insufficient_data
+      Zone.new(Float::MIN, Float::MAX, :insufficient_data)
+    end
+
+    def zone_for_score(score)
+      all_zones.find { |zone| Score.new(average: score).in_zone?(zone:) } || insufficient_data
+    end
+  end
+end