add helpful cache rake task

Author: drusepth

lib/tasks/backfill.rake

@@ -23,6 +23,36 @@ namespace :backfill do
     end
   end
 
+  task :most_used_attribute_word_counts: :environment do
+    word_counts = {}
+    Attribute.where(word_count_cache: nil).group(:value).order('count_id DESC').limit(500).count(:id).each do |value, count|
+      word_count = WordCountAnalyzer::Counter.new(
+        ellipsis:          'no_special_treatment',
+        hyperlink:         'count_as_one',
+        contraction:       'count_as_one',
+        hyphenated_word:   'count_as_one',
+        date:              'no_special_treatment',
+        number:            'count',
+        numbered_list:     'ignore',
+        xhtml:             'remove',
+        forward_slash:     'count_as_multiple_except_dates',
+        backslash:         'count_as_one',
+        dotted_line:       'ignore',
+        dashed_line:       'ignore',
+        underscore:        'ignore',
+        stray_punctuation: 'ignore'
+      ).count(value)
+    
+      word_counts[word_count] ||= []
+      word_counts[word_count].push value
+      puts "#{value} x #{count}: #{word_count} words"
+    end
+    
+    word_counts.each do |count, values|
+      Attribute.where(word_count_cache: nil, value: values).update_all(word_count_cache: count)
+    end
+  end
+
   desc "Backfill cached word counts on all documents"
   task document_word_count_caches: :environment do
     Document.where(cached_word_count: nil).where.not(body: [nil, ""]).find_each(batch_size: 500) do |document|