Rebuild rubocop TODOs after auto-correcting

app/models/commercial.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Commercial < ApplicationRecord
   require 'oembed'
 
@@ -6,7 +8,7 @@ class Commercial < ApplicationRecord
   has_paper_trail ignore: [:updated_at], meta: { conference_id: :conference_id }
 
   validates :url, presence: true, uniqueness: { scope: :commercialable }
-  validates :url, format: URI::regexp(%w(http https))
+  validates :url, format: URI.regexp(%w[http https])
 
   validate :valid_url
 
@@ -36,9 +38,7 @@ class Commercial < ApplicationRecord
       errors[:no_event] << id && next unless event
 
       commercial = event.commercials.new(url: url)
-      unless commercial.save
-        errors[:validation_errors] << "Could not create commercial for event with ID #{event.id} (" + commercial.errors.full_messages.to_sentence + ')'
-      end
+      errors[:validation_errors] << "Could not create commercial for event with ID #{event.id} (" + commercial.errors.full_messages.to_sentence + ')' unless commercial.save
     end
     errors
   end
@@ -47,9 +47,7 @@ class Commercial < ApplicationRecord
 
   def valid_url
     result = Commercial.render_from_url(url)
-    if result[:error]
-      errors.add(:base, result[:error])
-    end
+    errors.add(:base, result[:error]) if result[:error]
   end
 
   def self.register_provider
@@ -58,12 +56,12 @@ class Commercial < ApplicationRecord
     speakerdeck << 'http://speakerdeck.com/*'
 
     OEmbed::Providers.register(
-        OEmbed::Providers::Youtube,
-        OEmbed::Providers::Vimeo,
-        OEmbed::Providers::Slideshare,
-        OEmbed::Providers::Flickr,
-        OEmbed::Providers::Instagram,
-        speakerdeck
+      OEmbed::Providers::Youtube,
+      OEmbed::Providers::Vimeo,
+      OEmbed::Providers::Slideshare,
+      OEmbed::Providers::Flickr,
+      OEmbed::Providers::Instagram,
+      speakerdeck
     )
   end