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mm/edit.</strong>rhtmlに戻ろう。 models/user.</strong>rbで、membershipと参加フラグ</strong>を返せるようにしておく。 class User < ActiveRecord::Base def memberships mhash = Hash::new m = Membership.</strong>find(</strong>:all, :conditions => ["user_id = ?", self.</strong>id])</strong> m.</strong>each do |membership| mhash[membership.</strong>event_id] = membership end .</strong>.</strong>.</strong>
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