expose metrics in merge request api

2 files changed, 41 insertions, 5 deletions

diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index c88fcf9472e..0c8ec7dd5f5 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -481,6 +481,10 @@ module API
       expose :id
     end
 
+    class PipelineBasic < Grape::Entity
+      expose :id, :sha, :ref, :status
+    end
+
     class MergeRequestSimple < ProjectEntity
       expose :title
       expose :web_url do |merge_request, options|
@@ -546,6 +550,42 @@ module API
       expose :changes_count do |merge_request, _options|
         merge_request.merge_request_diff.real_size
       end
+
+      expose :merged_by, using: Entities::UserBasic do |merge_request, _options|
+        merge_request.metrics&.merged_by
+      end
+
+      expose :merged_at do |merge_request, _options|
+        merge_request.metrics&.merged_at
+      end
+
+      expose :closed_by, using: Entities::UserBasic do |merge_request, _options|
+        merge_request.metrics&.latest_closed_by
+      end
+
+      expose :closed_at do |merge_request, _options|
+        merge_request.metrics&.latest_closed_at
+      end
+
+      expose :latest_build_started_at, if: -> (_, options) { build_available?(options) } do |merge_request, _options|
+        merge_request.metrics&.latest_build_started_at
+      end
+
+      expose :latest_build_finished_at, if: -> (_, options) { build_available?(options) } do |merge_request, _options|
+        merge_request.metrics&.latest_build_finished_at
+      end
+
+      expose :first_deployed_to_production_at, if: -> (_, options) { build_available?(options) } do |merge_request, _options|
+        merge_request.metrics&.first_deployed_to_production_at
+      end
+
+      expose :pipeline, using: Entities::PipelineBasic, if: -> (_, options) { build_available?(options) } do |merge_request, _options|
+        merge_request.metrics&.pipeline
+      end
+
+      def build_available?(options)
+        options[:project]&.feature_available?(:builds, options[:current_user])
+      end
     end
 
     class MergeRequestChanges < MergeRequest
@@ -909,10 +949,6 @@ module API
       expose :filename, :size
     end
 
-    class PipelineBasic < Grape::Entity
-      expose :id, :sha, :ref, :status
-    end
-
     class JobBasic < Grape::Entity
       expose :id, :status, :stage, :name, :ref, :tag, :coverage
       expose :created_at, :started_at, :finished_at
diff --git a/lib/api/merge_requests.rb b/lib/api/merge_requests.rb
index 4ffd4895c7e..16d0f005f21 100644
--- a/lib/api/merge_requests.rb
+++ b/lib/api/merge_requests.rb
@@ -222,7 +222,7 @@ module API
       get ':id/merge_requests/:merge_request_iid/changes' do
         merge_request = find_merge_request_with_access(params[:merge_request_iid])
 
-        present merge_request, with: Entities::MergeRequestChanges, current_user: current_user
+        present merge_request, with: Entities::MergeRequestChanges, current_user: current_user, project: user_project
       end
 
       desc 'Get the merge request pipelines' do