include events in works serializer #crosscite/doi-metadata-search#164

app/controllers/works_controller.rb

@@ -133,7 +133,9 @@ def set_include
       include_keys = {
         "data_center" => :client,
         "member" => :provider,
-        "resource_type" => :resource_type
+        "resource_type" => :resource_type,
+        "reference_events" => :reference_events,
+        "citation_events" => :citation_events,
       }
       @include = params[:include].split(",").reduce([]) do |sum, i|
         k = include_keys[i.downcase.underscore]

app/serializers/work_serializer.rb

@@ -10,7 +10,9 @@ class WorkSerializer
   belongs_to :client, key: "data-center", record_type: "data-centers", serializer: :DataCenter
   belongs_to :provider, key: :member, record_type: :members, serializer: :Member
   belongs_to :resource_type, record_type: "resource-types", serializer: :ResourceType
-
+  has_many :reference_events, record_type: :events, serializer: EventSerializer, if: Proc.new { |object, params| params && params[:detail] }
+  has_many :citation_events, record_type: :events, serializer: EventSerializer, if: Proc.new { |object, params| params && params[:detail] }
+
   attribute :author do |object|
     Array.wrap(object.creators).map do |c|
       if (c["givenName"].present? || c["familyName"].present?)

spec/requests/works_spec.rb

@@ -41,7 +41,7 @@
     end
 
     it "has citations" do
-      get "/works/#{doi.doi}"
+      get "/works/#{doi.doi}?include=citation-events"
       puts last_response.body
       expect(last_response.status).to eq(200)
       expect(json.dig('data', 'attributes', 'url')).to eq(doi.url)
@@ -52,6 +52,9 @@
       expect(json.dig('data', 'attributes', 'views-over-time')).to eq([])
       expect(json.dig('data', 'attributes', 'download-count')).to eq(0)
       expect(json.dig('data', 'attributes', 'downloads-over-time')).to eq([])
+      expect(json.dig('data', 'relationships', 'citation-events', 'data')).to eq([{"id" => citation_event.uuid, "type"=>"events"}])
+      expect(json.dig('included').length).to eq(1)
+      expect(json.dig('included', 0, 'attributes', 'relationTypeId')).to eq("is-referenced-by")
     end
 
     it "has citations list" do