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(
@@ -82,15 +83,21 @@ class AuthService(
         }
 
         val member = memberRepository.findByIdOrNull(memberId) ?: throw SodaException("로그인 정보를 확인해주세요.")
-        val auth = Auth(
-            name = certificate.name,
-            birth = certificate.birth,
-            uniqueCi = certificate.unique,
-            di = certificate.di,
-            gender = certificate.gender
-        )
-        auth.member = member
+        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,
+                uniqueCi = certificate.unique,
+                di = certificate.di,
+                gender = certificate.gender
+            )
+            auth.member = member
 
-        repository.save(auth)
+            repository.save(auth)
+        } else {
+            throw SodaException("19세 미만 인증 오류")
+        }
     }
 }