Remove support from incremental pipeline updates

app/controllers/projects/pipelines_controller.rb

@@ -11,7 +11,6 @@ class Projects::PipelinesController < Projects::ApplicationController
 
     @running_or_pending_count = PipelinesFinder.new(project).execute(scope: 'running').count
     @pipelines_count = PipelinesFinder.new(project).execute.count
-    @last_updated = params[:updated_at]
 
     respond_to do |format|
       format.html
@@ -19,7 +18,7 @@ class Projects::PipelinesController < Projects::ApplicationController
          render json: {
            pipelines: PipelineSerializer
              .new(project: @project, user: @current_user)
-             .incremental(@pipelines, @last_updated),
+             .represent(@pipelines),
            updated_at: Time.now.utc,
            count: {
              all: @pipelines_count,

app/serializers/pipeline_entity.rb

@@ -2,7 +2,7 @@ class PipelineEntity < Grape::Entity
   include RequestAwareEntity
 
   expose :id
-  expose :user, if: proc { created_exposure? }, using: UserEntity
+  expose :user, using: UserEntity
 
   expose :url do |pipeline|
     namespace_project_pipeline_path(
@@ -11,7 +11,7 @@ class PipelineEntity < Grape::Entity
       pipeline)
   end
 
-  expose :details, if: proc { updated_exposure? } do
+  expose :details do
     expose :status
     expose :duration
     expose :finished_at
@@ -20,7 +20,7 @@ class PipelineEntity < Grape::Entity
     expose :manual_actions, using: PipelineActionEntity
   end
 
-  expose :flags, if: proc { created_exposure? } do
+  expose :flags do
     expose :latest?, as: :latest
     expose :triggered?, as: :triggered
 
@@ -33,7 +33,7 @@ class PipelineEntity < Grape::Entity
     end
   end
 
-  expose :ref, if: proc { updated_exposure? } do
+  expose :ref do
     expose :name do |pipeline|
       pipeline.ref
     end
@@ -48,16 +48,16 @@ class PipelineEntity < Grape::Entity
     expose :tag?
   end
 
-  expose :commit, if: proc { created_exposure? }, using: CommitEntity
+  expose :commit, using: CommitEntity
 
-  expose :retry_url, if: proc { updated_exposure? } do |pipeline|
+  expose :retry_url do |pipeline|
     can?(request.user, :update_pipeline, pipeline.project) &&
       pipeline.retryable? &&
       retry_namespace_project_pipeline_path(pipeline.project.namespace,
                                             pipeline.project, pipeline.id)
   end
 
-  expose :cancel_url, if: proc { updated_exposure? } do |pipeline|
+  expose :cancel_url do |pipeline|
     can?(request.user, :update_pipeline, pipeline.project) &&
       pipeline.cancelable? &&
       cancel_namespace_project_pipeline_path(pipeline.project.namespace,
@@ -65,28 +65,4 @@ class PipelineEntity < Grape::Entity
   end
 
   expose :created_at, :updated_at
-
-  def created_exposure?
-    !incremental? || created?
-  end
-
-  def updated_exposure?
-    !incremental? || updated?
-  end
-
-  def incremental?
-    options[:incremental] && last_updated
-  end
-
-  def last_updated
-    options.fetch(:last_updated)
-  end
-
-  def updated?
-    @object.updated_at > last_updated
-  end
-
-  def created?
-    @object.created_at > last_updated
-  end
 end

app/serializers/pipeline_serializer.rb

 class PipelineSerializer < BaseSerializer
   entity PipelineEntity
-
-  def incremental(resource, last_updated)
-    represent(resource, incremental: true,
-                        last_updated: last_updated)
-  end
 end

spec/serializers/pipeline_serializer_spec.rb

@@ -11,26 +11,5 @@ describe PipelineSerializer do
 
   let(:user) { create(:user) }
 
-  context 'when using incremental serializer' do
-    let(:json) do
-      serializer.incremental(pipelines, time).as_json
-    end
-
-    context 'when pipeline has been already updated' do
-      let(:time) { Time.now }
-
-      it 'exposes only minimal information' do
-        expect(json.first.keys).to contain_exactly(:id, :url)
-        expect(json.second.keys).to contain_exactly(:id, :url)
-      end
-    end
-
-    context 'when pipeline updated in the meantime' do
-      let(:time) { Time.now - 10.minutes }
-
-      it 'exposes new data incrementally' do
-        expect(json.first.keys.count).to eq 9
-      end
-    end
-  end
+  # TODO add some tests here.
 end