Fix Rubocop issues

app/models/ability.rb

@@ -68,6 +68,8 @@ class Ability
   end
 
   # Abilities for signed in users
+  # TODO: Refactor into multiple functions
+  # rubocop:disable Metrics/AbcSize
   def signed_in(user)
     # Abilities from not_signed_in user are also inherited
     not_signed_in
@@ -140,6 +142,7 @@ class Ability
       user == track.submitter && !(track.accepted? || track.confirmed?)
     end
   end
+  # rubocop:enable Metrics/AbcSize
 
   # Abilities for users with roles wandering around in non-admin views.
   def common_abilities_for_admins(user)

app/models/commercial.rb

@@ -30,7 +30,7 @@ class Commercial < ApplicationRecord
     begin
       resource = OEmbed::Providers.get(url, maxwidth: 560, maxheight: 315)
       { html: resource.html.html_safe }
-    rescue StandardError => exception
+    rescue StandardError
       { html: iframe_fallback(url) }
       # { error: exception.message }
     end

app/models/conference.rb

@@ -35,6 +35,7 @@
 #
 #  index_conferences_on_organization_id  (organization_id)
 #
+# rubocop:disable Metrics/ClassLength
 class Conference < ApplicationRecord
   include RevisionCount
   require 'uri'
@@ -1234,3 +1235,4 @@ class Conference < ApplicationRecord
     ]
   end
 end
+# rubocop:enable Metrics/ClassLength

app/models/user.rb

@@ -305,7 +305,7 @@ class User < ApplicationRecord
   # TODO: Use a real authorization in the right place....
   def manages_volunteers?(conference)
     organizer_roles = get_roles['organizer']
-    organizer_roles&.include?(conference.short_title) # TODO or Volunteer Coorinator.
+    organizer_roles&.include?(conference.short_title) # TODO: or Volunteer Coorinator.
   end
 
   def registered