implement report

app/logical/reports/janitor_trials.rb

@@ -0,0 +1,51 @@
+module Reports
+  class JanitorTrials
+    class Janitor
+      attr_reader :trial
+
+      def initialize(trial)
+        @trial = trial
+      end
+
+      def user
+        trial.user
+      end
+
+      def since
+        3.months.ago
+      end
+
+      def approval_count
+        @approval_count ||= Post.where("approver_id = ? and created_at >= ?", user.id, since).count
+      end
+
+      def deleted_count
+        Post.where("approver_id = ? and created_at >= ? and is_deleted = true", user.id, since).count
+      end
+
+      def percentile_25_score
+        ActiveRecord::Base.select_value_sql("select percentile_cont(0.25) within group (order by score) from posts where created_at >= ? and approver_id = ?", since, user.id).to_i
+      end
+
+      def percentile_50_score
+        ActiveRecord::Base.select_value_sql("select percentile_cont(0.50) within group (order by score) from posts where created_at >= ? and approver_id = ?", since, user.id).to_i
+      end
+
+      def rating_e_percentage
+        100 * Post.where("approver_id = ? and created_at >= ? and rating = 'e'", user.id, since).count.to_f / [approval_count, 1].max
+      end
+
+      def rating_q_percentage
+        100 * Post.where("approver_id = ? and created_at >= ? and rating = 'q'", user.id, since).count.to_f / [approval_count, 1].max
+      end
+
+      def rating_s_percentage
+        100 * Post.where("approver_id = ? and created_at >= ? and rating = 's'", user.id, since).count.to_f / [approval_count, 1].max
+      end
+    end
+
+    def janitors
+      JanitorTrial.where(status: "active").to_a.map {|x| Janitor.new(x)}
+    end
+  end
+end