19세 미만이 인증처리 되던 버그 수정

src/main/kotlin/kr/co/vividnext/sodalive/member/auth/AuthService.kt

@@ -11,6 +11,7 @@ import org.springframework.beans.factory.annotation.Value
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
+import java.time.LocalDate
 
 @Service
 class AuthService(
@@ -82,6 +83,9 @@ class AuthService(
         }
 
         val member = memberRepository.findByIdOrNull(memberId) ?: throw SodaException("로그인 정보를 확인해주세요.")
+        val nowYear = LocalDate.now().year
+        val certificateYear = certificate.birth.substring(0, 4).toInt()
+        if (nowYear - certificateYear >= 19) {
             val auth = Auth(
                 name = certificate.name,
                 birth = certificate.birth,
@@ -92,5 +96,8 @@ class AuthService(
             auth.member = member
 
             repository.save(auth)
+        } else {
+            throw SodaException("19세 미만 인증 오류")
+        }
     }
 }