Rebuild rubocop TODOs after auto-correcting

app/controllers/api/v1/conferences_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Api
   module V1
     class ConferencesController < Api::BaseController

app/controllers/api/v1/events_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Api
   module V1
     class EventsController < Api::BaseController
@@ -10,9 +12,7 @@ module Api
       def index
         events = Event.includes(:track, :event_type, event_users: :user)
 
-        if @conference
-          events = events.where(program: @conference.program)
-        end
+        events = events.where(program: @conference.program) if @conference
 
         respond_with events.confirmed, callback: params[:callback]
       end

app/controllers/api/v1/rooms_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Api
   module V1
     class RoomsController < Api::BaseController

app/controllers/api/v1/speakers_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Api
   module V1
     class SpeakersController < Api::BaseController
@@ -9,13 +11,13 @@ module Api
 
       def index
         if @conference
-          users = User.joins(event_users: { event: { program: :conference} })
+          users = User.joins(event_users: { event: { program: :conference } })
           users = users.where(conferences: { short_title: @conference.short_title })
         else
           users = User.joins(:event_users)
         end
 
-        users = users.where(event_users: {event_role: :speaker}).uniq
+        users = users.where(event_users: { event_role: :speaker }).uniq
         render json: users, each_serializer: SpeakerSerializer, callback: params['callback']
       end
     end

app/controllers/api/v1/tracks_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Api
   module V1
     class TracksController < Api::BaseController