From 94d0bb2b42311d80b29e55977e3e2b8024703451 Mon Sep 17 00:00:00 2001
From: Halit Aksoy <jhalitaksoy@gmail.com>
Date: Sun, 19 Jan 2025 13:23:42 +0300
Subject: [PATCH] feat(backend): add timestamp data

---
 .../mercury/backend/BackendApplication.java   | 37 ++++++++++---------
 .../java/org/mercury/backend/SensorData.java  |  2 +-
 2 files changed, 21 insertions(+), 18 deletions(-)

diff --git a/backend/src/main/java/org/mercury/backend/BackendApplication.java b/backend/src/main/java/org/mercury/backend/BackendApplication.java
index a9ecda4..14692f1 100644
--- a/backend/src/main/java/org/mercury/backend/BackendApplication.java
+++ b/backend/src/main/java/org/mercury/backend/BackendApplication.java
@@ -11,25 +11,28 @@ import org.springframework.web.bind.annotation.RestController;
 @RestController
 public class BackendApplication {
 
-	private SensorData sensorData;
+    private SensorData sensorData;
 
-	public static void main(String[] args) {
-		SpringApplication.run(BackendApplication.class, args);
-	}
+    public static void main(String[] args) {
+        SpringApplication.run(BackendApplication.class, args);
+    }
 
-	@GetMapping("/")
-	public String hello() {
-		return String.format("Server up and running!");
-	}
+    @GetMapping("/")
+    public String hello() {
+        return String.format("Server up and running!");
+    }
 
-	@PostMapping("/sensor")
-	SensorData newEmployee(@RequestBody SensorData sensorData) {
-		this.sensorData = sensorData;
-		return sensorData;
-	}
+    @PostMapping("/sensor")
+    SensorData newEmployee(@RequestBody SensorData sensorData) {
+        if (sensorData.timestamp() == null) {
+            sensorData = new SensorData(sensorData.temperature(), sensorData.humidity(), System.currentTimeMillis());
+        }
+        this.sensorData = sensorData;
+        return sensorData;
+    }
 
-	@GetMapping("/sensor")
-	SensorData getSensorData() {
-		return sensorData;
-	}
+    @GetMapping("/sensor")
+    SensorData getSensorData() {
+        return sensorData;
+    }
 }
\ No newline at end of file
diff --git a/backend/src/main/java/org/mercury/backend/SensorData.java b/backend/src/main/java/org/mercury/backend/SensorData.java
index 609f15a..41856bf 100644
--- a/backend/src/main/java/org/mercury/backend/SensorData.java
+++ b/backend/src/main/java/org/mercury/backend/SensorData.java
@@ -1,4 +1,4 @@
 package org.mercury.backend;
 
-public record SensorData(double temperature, double humidity) {
+public record SensorData(double temperature, double humidity, Long timestamp) {
 }