Merge pull request #66 from amatsuda/oops

Trivial updates

Author: amatsuda

app/models/message.rb

@@ -87,6 +87,10 @@ def from_string(str)
     end
   end
 
+  def list
+    @list ||= List.find_by_id(list_id)
+  end
+
   def count_recursively(count = 0)
     count + 1 + (children&.sum(&:count_recursively) || 0)
   end

bin/import_mails

@@ -34,7 +34,7 @@ Message.transaction do
       STDERR.puts("#{list}:#{seq} already exists in Postgres")
     rescue StandardError => e
       errors << [seq, e]
-      STDERR.puts("failed to import #{list}:#{seq}: #{e}")
+      STDERR.puts("failed to import #{list.name}:#{seq}: #{e}")
     end
   end
 end