Add import_one task

This is an old task to directly import specific DOI

This is useful when dealing with older metadata that is only available in the DB and not the ES index.

lib/tasks/doi.rake

@@ -171,6 +171,16 @@ namespace :doi do
     puts Doi.loop_through_dois(options)
   end
 
+  desc 'Import one DOI'
+  task :import_one => :environment do
+    if ENV['DOI'].nil?
+      puts "ENV['DOI'] is required"
+      exit
+    end
+
+    Doi.import_one(doi_id: ENV['DOI'])
+  end
+
   desc "Trigger DOI import based on query"
   task import_dois_by_query: :environment do
     # Ensure we have specified a query of some kind.