Add coordinate stub on gene variant creation

server/app/models/activities/create_variant.rb

@@ -32,9 +32,19 @@ def call_actions
 
       @variant = cmd.variant
       @molecular_profile = cmd.molecular_profile
+
+      stub_coordinates
+      variant.save!
+
       events << cmd.events
     end
 
+    def stub_coordinates
+      if variant.type == 'Variants::GeneVariant'
+        variant.coordinates = VariantCoordinate.generate_stub(variant, 'Gene Variant Coordinate')
+      end
+    end
+
     def linked_entities
       molecular_profile
     end