Enable frozen string in presenters and policies

Enable frozen string in:

* app/presenters
* app/policies

Partially addresses #47424.

16 files changed, 32 insertions, 0 deletions

diff --git a/app/presenters/ci/build_metadata_presenter.rb b/app/presenters/ci/build_metadata_presenter.rb
index 5048f967ea8..015b1f67db7 100644
--- a/app/presenters/ci/build_metadata_presenter.rb
+++ b/app/presenters/ci/build_metadata_presenter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Ci
   class BuildMetadataPresenter < Gitlab::View::Presenter::Delegated
     TIMEOUT_SOURCES = {
diff --git a/app/presenters/ci/build_presenter.rb b/app/presenters/ci/build_presenter.rb
index e0aaa5cb736..5331cdf632b 100644
--- a/app/presenters/ci/build_presenter.rb
+++ b/app/presenters/ci/build_presenter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Ci
   class BuildPresenter < CommitStatusPresenter
     def erased_by_user?
diff --git a/app/presenters/ci/group_variable_presenter.rb b/app/presenters/ci/group_variable_presenter.rb
index 98d68bc7a83..99011150c84 100644
--- a/app/presenters/ci/group_variable_presenter.rb
+++ b/app/presenters/ci/group_variable_presenter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Ci
   class GroupVariablePresenter < Gitlab::View::Presenter::Delegated
     presents :variable
diff --git a/app/presenters/ci/pipeline_presenter.rb b/app/presenters/ci/pipeline_presenter.rb
index cc2bce9862d..93a38f92073 100644
--- a/app/presenters/ci/pipeline_presenter.rb
+++ b/app/presenters/ci/pipeline_presenter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Ci
   class PipelinePresenter < Gitlab::View::Presenter::Delegated
     include Gitlab::Utils::StrongMemoize
diff --git a/app/presenters/ci/variable_presenter.rb b/app/presenters/ci/variable_presenter.rb
index 96159f88c59..f027f3aa560 100644
--- a/app/presenters/ci/variable_presenter.rb
+++ b/app/presenters/ci/variable_presenter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Ci
   class VariablePresenter < Gitlab::View::Presenter::Delegated
     presents :variable
diff --git a/app/presenters/clusters/cluster_presenter.rb b/app/presenters/clusters/cluster_presenter.rb
index a424da5ab24..dfdd8e82f97 100644
--- a/app/presenters/clusters/cluster_presenter.rb
+++ b/app/presenters/clusters/cluster_presenter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Clusters
   class ClusterPresenter < Gitlab::View::Presenter::Delegated
     presents :cluster
diff --git a/app/presenters/commit_status_presenter.rb b/app/presenters/commit_status_presenter.rb
index 9a7aaf4ef32..3a9088cfcb8 100644
--- a/app/presenters/commit_status_presenter.rb
+++ b/app/presenters/commit_status_presenter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class CommitStatusPresenter < Gitlab::View::Presenter::Delegated
   CALLOUT_FAILURE_MESSAGES = {
       unknown_failure: 'There is an unknown failure, please try again',
diff --git a/app/presenters/conversational_development_index/metric_presenter.rb b/app/presenters/conversational_development_index/metric_presenter.rb
index bb65ba2646b..e0312c6f431 100644
--- a/app/presenters/conversational_development_index/metric_presenter.rb
+++ b/app/presenters/conversational_development_index/metric_presenter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module ConversationalDevelopmentIndex
   class MetricPresenter < Gitlab::View::Presenter::Simple
     def cards
diff --git a/app/presenters/generic_commit_status_presenter.rb b/app/presenters/generic_commit_status_presenter.rb
index da09df29a37..a1dc72d5b98 100644
--- a/app/presenters/generic_commit_status_presenter.rb
+++ b/app/presenters/generic_commit_status_presenter.rb
@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 class GenericCommitStatusPresenter < CommitStatusPresenter
 end
diff --git a/app/presenters/group_member_presenter.rb b/app/presenters/group_member_presenter.rb
index 8f53dfa105e..c4dcc9e60f9 100644
--- a/app/presenters/group_member_presenter.rb
+++ b/app/presenters/group_member_presenter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class GroupMemberPresenter < MemberPresenter
   private
 
diff --git a/app/presenters/member_presenter.rb b/app/presenters/member_presenter.rb
index 7d2f9303b8f..2497bea4aff 100644
--- a/app/presenters/member_presenter.rb
+++ b/app/presenters/member_presenter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class MemberPresenter < Gitlab::View::Presenter::Delegated
   presents :member
 
diff --git a/app/presenters/members_presenter.rb b/app/presenters/members_presenter.rb
index e4aba37b69e..03ebea36d49 100644
--- a/app/presenters/members_presenter.rb
+++ b/app/presenters/members_presenter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class MembersPresenter < Gitlab::View::Presenter::Delegated
   include Enumerable
 
diff --git a/app/presenters/merge_request_presenter.rb b/app/presenters/merge_request_presenter.rb
index f77b3541644..ffa238a63d5 100644
--- a/app/presenters/merge_request_presenter.rb
+++ b/app/presenters/merge_request_presenter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class MergeRequestPresenter < Gitlab::View::Presenter::Delegated
   include ActionView::Helpers::UrlHelper
   include GitlabRoutingHelper
diff --git a/app/presenters/project_member_presenter.rb b/app/presenters/project_member_presenter.rb
index 7f42d2b70df..e4731074e86 100644
--- a/app/presenters/project_member_presenter.rb
+++ b/app/presenters/project_member_presenter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class ProjectMemberPresenter < MemberPresenter
   private
 
diff --git a/app/presenters/project_presenter.rb b/app/presenters/project_presenter.rb
index d4d622d84ab..4c2f33213d6 100644
--- a/app/presenters/project_presenter.rb
+++ b/app/presenters/project_presenter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class ProjectPresenter < Gitlab::View::Presenter::Delegated
   include ActionView::Helpers::NumberHelper
   include ActionView::Helpers::UrlHelper
diff --git a/app/presenters/projects/settings/deploy_keys_presenter.rb b/app/presenters/projects/settings/deploy_keys_presenter.rb
index c226586fba5..28eaef00a12 100644
--- a/app/presenters/projects/settings/deploy_keys_presenter.rb
+++ b/app/presenters/projects/settings/deploy_keys_presenter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Projects
   module Settings
     class DeployKeysPresenter < Gitlab::View::Presenter::Simple