goldenChat base source add

backend/src/main/java/com/goldenchart/controller/FcmController.java

@@ -0,0 +1,56 @@
+package com.goldenchart.controller;
+
+import com.goldenchart.dto.FcmTokenDto;
+import com.goldenchart.service.FcmPushService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.Map;
+
+@RestController
+@RequestMapping("/fcm")
+@RequiredArgsConstructor
+public class FcmController {
+
+    private final FcmPushService fcmPushService;
+
+    private Long userId(Map<String, String> h) {
+        String v = h.get("x-user-id");
+        return v != null ? Long.parseLong(v) : null;
+    }
+
+    private String deviceId(Map<String, String> h) {
+        return h.getOrDefault("x-device-id", "anonymous");
+    }
+
+    @PostMapping("/token")
+    public ResponseEntity<Void> register(@RequestHeader Map<String, String> h,
+                                         @RequestBody FcmTokenDto body) {
+        fcmPushService.registerToken(
+                body.getUserId() != null ? body.getUserId() : userId(h),
+                body.getDeviceId() != null ? body.getDeviceId() : deviceId(h),
+                body.getToken());
+        return ResponseEntity.ok().build();
+    }
+
+    @DeleteMapping("/token")
+    public ResponseEntity<Void> delete(@RequestHeader Map<String, String> h) {
+        fcmPushService.deleteByDevice(deviceId(h));
+        return ResponseEntity.ok().build();
+    }
+
+    @PostMapping("/test")
+    public ResponseEntity<Map<String, Object>> test(@RequestHeader Map<String, String> h) {
+        fcmPushService.sendTest(userId(h), deviceId(h));
+        return ResponseEntity.ok(Map.of(
+                "ok", true,
+                "available", fcmPushService.isAvailable()
+        ));
+    }
+
+    @GetMapping("/status")
+    public ResponseEntity<Map<String, Object>> status() {
+        return ResponseEntity.ok(Map.of("available", fcmPushService.isAvailable()));
+    }
+}