Show progressbar on moderation screen

app/models/package.rb

@@ -36,4 +36,9 @@ class Package < ActiveRecord::Base
   def self.screenshots_approved
     self.screenshots.find_by(approved: true)
   end
+
+  # Return a list of packages that have unapproved screenshots
+  def self.requiring_moderation
+    Package.joins(:screenshots).where(screenshots: {approved:false}).group('packages.id')
+  end
 end

app/models/screenshot.rb

@@ -78,4 +78,9 @@ class Screenshot < ActiveRecord::Base
 
     return text
   end
+
+  # Return the number of screenshots that need to be approved
+  def self.unapproved
+    self.where(approved: false)
+  end
 end