added pagination for all resources

app/controllers/consumers_controller.rb

@@ -27,7 +27,7 @@ class ConsumersController < ApplicationController
   private :consumer_params
 
   def index
-    @consumers = Consumer.all
+    @consumers = Consumer.paginate(page: params[:page])
     authorize!
   end
 

app/controllers/errors_controller.rb

@@ -27,7 +27,7 @@ class ErrorsController < ApplicationController
   private :error_params
 
   def index
-    @errors = Error.for_execution_environment(@execution_environment).grouped_by_message
+    @errors = Error.for_execution_environment(@execution_environment).grouped_by_message.paginate(page: params[:page])
     authorize!
   end
 

app/controllers/execution_environments_controller.rb

@@ -34,7 +34,7 @@ class ExecutionEnvironmentsController < ApplicationController
   private :execution_environment_params
 
   def index
-    @execution_environments = ExecutionEnvironment.all.includes(:user).order(:name)
+    @execution_environments = ExecutionEnvironment.all.includes(:user).order(:name).paginate(page: params[:page])
     authorize!
   end
 

app/controllers/exercises_controller.rb

@@ -78,7 +78,7 @@ class ExercisesController < ApplicationController
 
   def index
     @search = policy_scope(Exercise).search(params[:q])
-    @exercises = @search.result.includes(:execution_environment, :user).order(:title)
+    @exercises = @search.result.includes(:execution_environment, :user).order(:title).paginate(page: params[:page])
     authorize!
   end
 

app/controllers/external_users_controller.rb

@@ -5,7 +5,7 @@ class ExternalUsersController < ApplicationController
   private :authorize!
 
   def index
-    @users = ExternalUser.all.includes(:consumer)
+    @users = ExternalUser.all.includes(:consumer).paginate(page: params[:page])
     authorize!
   end
 

app/controllers/file_types_controller.rb

@@ -28,7 +28,7 @@ class FileTypesController < ApplicationController
   private :file_type_params
 
   def index
-    @file_types = FileType.all.includes(:user).order(:name)
+    @file_types = FileType.all.includes(:user).order(:name).paginate(page: params[:page])
     authorize!
   end
 

app/controllers/hints_controller.rb

@@ -28,7 +28,7 @@ class HintsController < ApplicationController
   private :hint_params
 
   def index
-    @hints = @execution_environment.hints.order(:name)
+    @hints = @execution_environment.hints.order(:name).paginate(page: params[:page])
     authorize!
   end
 

app/controllers/internal_users_controller.rb

@@ -62,7 +62,7 @@ class InternalUsersController < ApplicationController
 
   def index
     @search = InternalUser.search(params[:q])
-    @users = @search.result.includes(:consumer).order(:name)
+    @users = @search.result.includes(:consumer).order(:name).paginate(page: params[:page])
     authorize!
   end
 

app/controllers/teams_controller.rb

@@ -22,7 +22,7 @@ class TeamsController < ApplicationController
   end
 
   def index
-    @teams = Team.all.includes(:internal_users).order(:name)
+    @teams = Team.all.includes(:internal_users).order(:name).paginate(page: params[:page])
     authorize!
   end