add IdentityController

src/main/kotlin/ltd/hlaeja/controller/IdentityController.kt

@@ -0,0 +1,22 @@
+package ltd.hlaeja.controller
+
+import java.util.UUID
+import ltd.hlaeja.library.deviceRegistry.Identity
+import ltd.hlaeja.service.NodeService
+import ltd.hlaeja.util.toIdentityResponse
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+@RequestMapping("/identity")
+class IdentityController(
+    private val nodeService: NodeService,
+) {
+
+    @GetMapping("/device-{device}")
+    suspend fun getIdentityFromDevice(
+        @PathVariable device: UUID,
+    ): Identity.Response = nodeService.getNodeFromDevice(device).toIdentityResponse()
+}