add DeviceService

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

@@ -0,0 +1,21 @@
+package ltd.hlaeja.service
+
+import java.time.ZonedDateTime
+import java.util.UUID
+import ltd.hlaeja.entity.DeviceEntity
+import ltd.hlaeja.repository.DeviceRepository
+import mu.KotlinLogging
+import org.springframework.stereotype.Service
+
+private val log = KotlinLogging.logger {}
+
+@Service
+class DeviceService(
+    private val deviceRepository: DeviceRepository,
+) {
+
+    suspend fun addDevice(
+        type: UUID,
+    ): DeviceEntity = deviceRepository.save(DeviceEntity(null, ZonedDateTime.now(), type))
+        .also { log.debug { "Added device ${it.id}" } }
+}