Allow suggesting single line changes in diffs

4 files changed, 22 insertions, 0 deletions

diff --git a/app/serializers/diff_line_entity.rb b/app/serializers/diff_line_entity.rb
index 942714b7787..bfef6d3bde8 100644
--- a/app/serializers/diff_line_entity.rb
+++ b/app/serializers/diff_line_entity.rb
@@ -11,4 +11,6 @@ class DiffLineEntity < Grape::Entity
   expose :rich_text do |line|
     ERB::Util.html_escape(line.rich_text || line.text)
   end
+
+  expose :suggestible?, as: :can_receive_suggestion
 end
diff --git a/app/serializers/merge_request_widget_entity.rb b/app/serializers/merge_request_widget_entity.rb
index f33a1654d5e..9731b52f1ad 100644
--- a/app/serializers/merge_request_widget_entity.rb
+++ b/app/serializers/merge_request_widget_entity.rb
@@ -238,6 +238,8 @@ class MergeRequestWidgetEntity < IssuableEntity
     end
   end
 
+  expose :supports_suggestion?, as: :can_receive_suggestion
+
   private
 
   delegate :current_user, to: :request
diff --git a/app/serializers/note_entity.rb b/app/serializers/note_entity.rb
index c6d27817411..1d3b59eb1b7 100644
--- a/app/serializers/note_entity.rb
+++ b/app/serializers/note_entity.rb
@@ -36,6 +36,7 @@ class NoteEntity < API::Entities::Note
     end
   end
 
+  expose :suggestions, using: SuggestionEntity
   expose :resolved?, as: :resolved
   expose :resolvable?, as: :resolvable
 
diff --git a/app/serializers/suggestion_entity.rb b/app/serializers/suggestion_entity.rb
new file mode 100644
index 00000000000..4d0d4da10be
--- /dev/null
+++ b/app/serializers/suggestion_entity.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class SuggestionEntity < API::Entities::Suggestion
+  include RequestAwareEntity
+
+  expose :current_user do
+    expose :can_apply do |suggestion|
+      Ability.allowed?(current_user, :apply_suggestion, suggestion)
+    end
+  end
+
+  private
+
+  def current_user
+    request.current_user
+  end
+end