Add datePublished to RO-Crate root metadata #2013

app/models/concerns/workflow_extraction.rb

@@ -133,6 +133,8 @@ def populate_ro_crate(crate)
       remotes.each do |path, url|
         crate.add_external_file(url)
       end
+
+      crate['datePublished'] = git_version.commit_object&.time
     else
       unless crate.main_workflow
         crate.main_workflow = ROCrate::Workflow.new(crate, content_blob.filepath, content_blob.original_filename, contentSize: content_blob.file_size)
@@ -156,6 +158,7 @@ def populate_ro_crate(crate)
     merge_entities(crate, self)
 
     crate['isBasedOn'] = source_link_url if source_link_url && !crate['isBasedOn']
+    crate['datePublished'] = Time.now unless crate['datePublished']
     crate['sdDatePublished'] = Time.now unless crate['sdDatePublished']
     crate['creativeWorkStatus'] = I18n.t("maturity_level.#{maturity_level}") if maturity_level
 

test/unit/workflow_test.rb

@@ -958,4 +958,15 @@ def bad_generator.write_graph(struct)
       assert_equal 0, policy.permissions.count
     end
   end
+
+  test 'sets datePublished in RO-Crate metadata' do
+    time = Time.zone.local(2024, 9, 15, 12, 0, 0)
+    travel_to(time) do
+      assert_equal time, FactoryBot.create(:cwl_workflow).ro_crate['datePublished'],
+                   'Should set datePublished to current time'
+    end
+
+    assert_equal '2021-03-31 15:01:47 UTC', FactoryBot.create(:remote_git_workflow).ro_crate['datePublished'].utc.to_s,
+                 'Should set datePublished to time of git commit'
+  end
 end