Resolve "Commit details are not displayed when reviewing an MR commit by commit"

2 files changed, 18 insertions, 6 deletions

diff --git a/app/serializers/commit_entity.rb b/app/serializers/commit_entity.rb
index ce76659fa46..396e95a03c8 100644
--- a/app/serializers/commit_entity.rb
+++ b/app/serializers/commit_entity.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 class CommitEntity < API::Entities::Commit
+  include MarkupHelper
   include RequestAwareEntity
 
   expose :author, using: UserEntity
@@ -9,11 +10,19 @@ class CommitEntity < API::Entities::Commit
     GravatarService.new.execute(commit.author_email) # rubocop: disable CodeReuse/ServiceClass
   end
 
-  expose :commit_url do |commit|
-    project_commit_url(request.project, commit)
+  expose :commit_url do |commit, options|
+    project_commit_url(request.project, commit, params: options.fetch(:commit_url_params, {}))
   end
 
-  expose :commit_path do |commit|
-    project_commit_path(request.project, commit)
+  expose :commit_path do |commit, options|
+    project_commit_path(request.project, commit, params: options.fetch(:commit_url_params, {}))
+  end
+
+  expose :description_html, if: { type: :full } do |commit|
+    markdown_field(commit, :description)
+  end
+
+  expose :title_html, if: { type: :full } do |commit|
+    markdown_field(commit, :title)
   end
 end
diff --git a/app/serializers/diffs_entity.rb b/app/serializers/diffs_entity.rb
index 878cc5290bd..00dc55fc004 100644
--- a/app/serializers/diffs_entity.rb
+++ b/app/serializers/diffs_entity.rb
@@ -15,8 +15,11 @@ class DiffsEntity < Grape::Entity
     merge_request&.target_branch
   end
 
-  expose :commit do |diffs|
-    options[:commit]
+  expose :commit do |diffs, options|
+    CommitEntity.represent options[:commit], options.merge(
+      type: :full,
+      commit_url_params: { merge_request_iid: merge_request&.iid }
+    )
   end
 
   expose :merge_request_diff, using: MergeRequestDiffEntity do |diffs|