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#24
프로필 이미지 관련 코드는 좀 더 정리를 해봐야겠습니다.
schema에서는 uid를 가져와서 쓰면 되는데 koala에서 바로 가져온 값에는 id라고 되어있는 점과 friend.rb에만 profile_image 함수가 있는 점이 고민하게 만드네요.