1 files changed, 49 insertions, 0 deletions
diff --git a/app/serializers/integrations/field_entity.rb b/app/serializers/integrations/field_entity.rb
new file mode 100644
index 00000000000..697b53a737e
--- /dev/null
+++ b/app/serializers/integrations/field_entity.rb
@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+
+module Integrations
+  class FieldEntity < Grape::Entity
+    include RequestAwareEntity
+    include Gitlab::Utils::StrongMemoize
+
+    expose :section, :type, :name, :placeholder, :required, :choices, :checkbox_label
+
+    expose :title do |field|
+      non_empty_password?(field) ? field[:non_empty_password_title] : field[:title]
+    end
+
+    expose :help do |field|
+      non_empty_password?(field) ? field[:non_empty_password_help] : field[:help]
+    end
+
+    expose :value do |field|
+      value = value_for(field)
+
+      if non_empty_password?(field)
+        'true'
+      elsif field[:type] == 'checkbox'
+        ActiveRecord::Type::Boolean.new.deserialize(value).to_s
+      else
+        value
+      end
+    end
+
+    private
+
+    def integration
+      request.integration
+    end
+
+    def value_for(field)
+      strong_memoize(:value_for) do
+        # field[:name] is not user input and so can assume is safe
+        integration.public_send(field[:name]) # rubocop:disable GitlabSecurity/PublicSend
+      end
+    end
+
+    def non_empty_password?(field)
+      strong_memoize(:non_empty_password) do
+        field[:type] == 'password' && value_for(field).present?
+      end
+    end
+  end
+end