mixin feed(feed, hideUser)
  if feed.length > 0
    #feed
      for update of feed
        .feed-update
          div
            a(href=`/users/${update.user}`)
              if !hideUser
                | #{update.user}
            strong= update.mood
          div= update.desc || "[no mood description provided]"
          div(title=update.date.toLocaleString())= update.relativeDate
  else
    span [no updates]

mixin invite_code_expiration(code)
    - const timestamp = code.expires.getTime()
    if timestamp === 0
        td.subtle never
    else if Date.now() >= timestamp
        td.error EXPIRED
    else
        td= code.expiresString