Refactor description formatting in List model and rake task

app/models/list.rb

@@ -54,6 +54,23 @@ def description
     end
   end
 
+  def awesome_description
+    return if description.blank?
+    # add a period if there isn't one
+    d = description.dup
+    # remove whitespace from start and end
+    d.strip!
+    # add a period if there isn't one
+    d = description[-1] == '.' ? description : "#{description}."
+    # start with a capital letter
+    d[0] = d[0].capitalize
+    # Should not repeat "."  or "!" more than once 
+    d.gsub!(/([.!?])\1+/, '\1')
+    # remove extra urls (e.g. http://example.com)
+    d.gsub!(/https?:\/\/\S+/, '')
+    d
+  end
+
   def last_updated_at
     return updated_at unless repository.present?
     return updated_at unless repository['updated_at'].present?

lib/tasks/lists.rake

@@ -16,7 +16,7 @@ namespace :lists do
     List.displayable.order(Arel.sql("(repository ->> 'stargazers_count')::text::integer").desc.nulls_last).all.each do |list|
       next if list.description.blank?
       next if list.name.include?('?')
-      puts "- [#{list.name}](#{list.url}) - #{list.description}#{list.description[-1] == '.' ? '' : '.'}"
+      puts "- [#{list.name}](#{list.url}) - #{list.awesome_description}"
     end
   end
 end