improve janitor/promotion reports, fix bug with forum post counts

app/controllers/forum_posts_controller.rb

@@ -15,11 +15,7 @@ class ForumPostsController < ApplicationController
   end
 
   def index
-    if CurrentUser.is_janitor?
-      @query = ForumPost.search(params[:search])
-    else
-      @query = ForumPost.active.search(params[:search])
-    end
+    @query = ForumPost.search(params[:search])
     @forum_posts = @query.order("forum_posts.id DESC").paginate(params[:page], :limit => params[:limit], :search_count => params[:search])
     respond_with(@forum_posts) do |format|
       format.xml do

app/logical/reports/janitor_trials.rb

@@ -31,16 +31,10 @@ module Reports
         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
+      def confidence_interval
+        hits = Post.where("approver_id = ? and created_at >= ? and score >= 3", user.id, since).count
+        total = Post.where("approver_id = ? and created_at >= ?", user.id, since).count
+        Reports::UserPromotions.ci_lower_bound(hits, total, 0.95)
       end
     end
 

app/logical/reports/user_promotions.rb

@@ -19,11 +19,11 @@ module Reports
       end
 
       def median_score
-        ActiveRecord::Base.select_value_sql("select percentile_cont(0.50) within group (order by score) from posts where created_at >= ? and uploader_id = ?", 30.days.ago, user.id).to_i
+        ActiveRecord::Base.select_value_sql("select percentile_cont(0.50) within group (order by score) from posts where created_at >= ? and uploader_id = ?", ::Reports::UserPromotions.min_time, user.id).to_i
       end
 
       def quartile_score
-        ActiveRecord::Base.select_value_sql("select percentile_cont(0.25) within group (order by score) from posts where created_at >= ? and uploader_id = ?", 30.days.ago, user.id).to_i
+        ActiveRecord::Base.select_value_sql("select percentile_cont(0.25) within group (order by score) from posts where created_at >= ? and uploader_id = ?", ::Reports::UserPromotions.min_time, user.id).to_i
       end
     end
 

app/views/reports/janitor_trials.html.erb

@@ -2,17 +2,18 @@
   <div id="a-user-promotions">
     <h1>Janitor Trial Report</h1>
 
-    <table width="100%" class="striped" id="sortable" style="margin-bottom: 1em;">
+    <p>All numbers shown are for the past 3 months. Binomial proportion confidence interval for how likely a janitor's approvals will achieve a score of at at least n with 95% confidence.</p>
+
+    <table width="100%" class="striped" id="sortable">
       <thead>
         <tr>
           <th data-sort="string">User</th>
+          <th data-sort="int">Level</th>
           <th data-sort="int">Approvals</th>
           <th data-sort="int">Deleted</th>
           <th data-sort="int" title="25% of approvals received this score or less">Quartile Score</th>
           <th data-sort="int" title="50% of approvals received this score or less">Median Score</th>
-          <th>Explicit %</th>
-          <th>Questionable %</th>
-          <th>Safe %</th>
+          <th data-sort="int" title="Likelihood an approval will get a score of 3 or higher">score:3+</th>
           <th></th>
         </tr>
       </thead>
@@ -21,13 +22,12 @@
           <% @report.janitors.each do |janitor| %>
             <tr>
               <td><%= link_to_user janitor.user %></td>
+              <td data-sort-value="<%= user.level %>"><%= janitor.user.level_string %></td>
               <td><%= link_to janitor.approval_count, posts_path(:tags => "approver:#{janitor.user.name}") %></td>
               <td><%= link_to janitor.deleted_count, posts_path(:tags => "approver:#{janitor.user.name} status:deleted") %></td>
               <td><%= janitor.percentile_25_score %></td>
               <td><%= janitor.percentile_50_score %></td>
-              <td><%= number_to_percentage janitor.rating_e_percentage, :precision => 0 %></td>
-              <td><%= number_to_percentage janitor.rating_q_percentage, :precision => 0 %></td>
-              <td><%= number_to_percentage janitor.rating_s_percentage, :precision => 0 %></td>
+              <td><%= number_to_percentage janitor.confidence_interval, :precision => 0 %></td>
               <td>
                 <% if CurrentUser.user.is_moderator? %>
                   <%= link_to "Promote", promote_janitor_trial_path(janitor.trial), :method => :put, :remote => true %>
@@ -39,8 +39,6 @@
         <% end %>
       </tbody>
     </table>
-
-    <p>All numbers shown are for the past 3 months.</p>
   </div>
 </div>