Get Account

- add AccountController
- add AccountEntity toAccountResponse in Mapping.kt
- add AccountService
- add AccountRepository
- add AccountEntity

src/main/kotlin/ltd/hlaeja/service/AccountService.kt

@@ -0,0 +1,24 @@
+package ltd.hlaeja.service
+
+import io.github.oshai.kotlinlogging.KotlinLogging
+import java.util.UUID
+import ltd.hlaeja.entity.AccountEntity
+import ltd.hlaeja.repository.AccountRepository
+import org.springframework.http.HttpStatus
+import org.springframework.stereotype.Service
+import org.springframework.web.server.ResponseStatusException
+import reactor.core.publisher.Mono
+
+private val log = KotlinLogging.logger {}
+
+@Service
+class AccountService(
+    private val accountRepository: AccountRepository,
+) {
+
+    fun getUserById(
+        uuid: UUID,
+    ): Mono<AccountEntity> = accountRepository.findById(uuid)
+        .doOnNext { log.debug { "Get account ${it.id}" } }
+        .switchIfEmpty(Mono.error(ResponseStatusException(HttpStatus.NOT_FOUND)))
+}