Use PipelineDetailsEntity for last_pipeline

ee/app/serializers/dashboard_operations_project_entity.rb

@@ -10,15 +10,7 @@ class DashboardOperationsProjectEntity < Grape::Entity
   end
 
   expose :last_pipeline, if: -> (*) { last_pipeline } do |_, options|
-    pipeline_entity_for(last_pipeline, options)
-  end
-
-  expose :upstream_pipeline, if: -> (*) { upstream_pipeline } do |_, options|
-    pipeline_entity_for(upstream_pipeline, options)
-  end
-
-  expose :downstream_pipelines, if: -> (*) { downstream_pipelines } do |_, options|
-    pipeline_entity_for(downstream_pipelines, options)
+    PipelineDetailsEntity.represent(last_pipeline, options.merge(request: new_request))
   end
 
   expose :last_deployment, if: -> (*) { last_deployment? } do |dashboard_project_object, options|
@@ -50,18 +42,6 @@ class DashboardOperationsProjectEntity < Grape::Entity
     dashboard_project.project.last_pipeline
   end
 
-  def upstream_pipeline
-    last_pipeline&.source_pipeline&.source_pipeline
-  end
-
-  def downstream_pipelines
-    last_pipeline&.sourced_pipelines&.map(&:source_pipeline)
-  end
-
-  def pipeline_entity_for(objects, options)
-    PipelineEntity.represent(objects, options.merge(request: new_request))
-  end
-
   def last_deployment?
     dashboard_project.last_deployment
   end

ee/spec/serializers/dashboard_operations_project_entity_spec.rb

@@ -33,8 +33,8 @@ describe DashboardOperationsProjectEntity do
         create(:ci_sources_pipeline, pipeline: pipeline, source_job: bridge)
       end
 
-      it 'has the upstream pipeline field' do
-        expect(subject).to include(:upstream_pipeline)
+      it 'has the triggered_by pipeline field' do
+        expect(subject[:last_pipeline]).to include(:triggered_by)
       end
     end
 
@@ -45,8 +45,8 @@ describe DashboardOperationsProjectEntity do
         create(:ci_sources_pipeline, source_job: build)
       end
 
-      it 'has the downstream pipeline field' do
-        expect(subject).to include(:downstream_pipelines)
+      it 'has the triggered pipeline field' do
+        expect(subject[:last_pipeline]).to include(:triggered)
       end
 
       context 'when there are multiple downstream statuses' do
@@ -55,8 +55,8 @@ describe DashboardOperationsProjectEntity do
         end
 
         it 'has the downstream pipeline field' do
-          expect(subject).to include(:downstream_pipelines)
-          expect(subject[:downstream_pipelines].count).to eq(6)
+          expect(subject[:last_pipeline]).to include(:triggered)
+          expect(subject[:last_pipeline][:triggered].count).to eq(6)
         end
       end
     end
@@ -71,12 +71,12 @@ describe DashboardOperationsProjectEntity do
       end
 
       it 'has the upstream pipeline field' do
-        expect(subject).to include(:upstream_pipeline)
+        expect(subject[:last_pipeline]).to include(:triggered_by)
       end
 
       it 'has the downstream pipeline field' do
-        expect(subject).to include(:downstream_pipelines)
-        expect(subject[:downstream_pipelines].count).to eq(5)
+        expect(subject[:last_pipeline]).to include(:triggered)
+        expect(subject[:last_pipeline][:triggered].count).to eq(5)
       end
     end
   end