feat: fcm connection

build.gradle

@@ -34,10 +34,8 @@ dependencies {
 	annotationProcessor 'org.projectlombok:lombok'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 
-	//firebase fcm 라이브러리
-	implementation 'com.google.firebase:firebase-admin:6.8.1'
-	//objectMapper
-	implementation 'com.fasterxml.jackson.core:jackson-databind:2.12.3'
+	//firebase fcm 라이브러리 / sdk
+	implementation 'com.google.firebase:firebase-admin:9.2.0'
 }
 
 tasks.named('test') {

src/main/java/com/seulseul/seulseul/controller/firbase/FcmController.java

@@ -1,8 +1,12 @@
 package com.seulseul.seulseul.controller.firbase;//package com.seulseul.seulseul.controller.firbase;
 
+import com.google.firebase.messaging.FirebaseMessaging;
+import com.google.firebase.messaging.FirebaseMessagingException;
+import com.google.firebase.messaging.Message;
 import com.seulseul.seulseul.dto.Response.ResponseData;
 //import com.seulseul.seulseul.dto.firebase.RequestDTO;
 import com.seulseul.seulseul.dto.firebase.FCMDto;
+import com.seulseul.seulseul.entity.TokenKey;
 import com.seulseul.seulseul.entity.baseRoute.BaseRoute;
 import com.seulseul.seulseul.entity.user.User;
 import com.seulseul.seulseul.service.baseRoute.BaseRouteService;
@@ -14,14 +18,14 @@
 import org.springframework.web.bind.annotation.*;
 
 import java.io.IOException;
-import java.util.Optional;
 import java.util.UUID;
 
 @RestController
 @RequiredArgsConstructor
 public class FcmController {
     private final BaseRouteService baseRouteService;
     private final UserService userService;
+    private final TokenKey tokenKey;
 
     @PostMapping("/v1/fcm/check")
     public ResponseEntity<ResponseData> findTransfer(@RequestHeader("Auth") UUID uuid, @RequestBody FCMDto fcmDto) throws IOException {
@@ -33,18 +37,41 @@ public ResponseEntity<ResponseData> findTransfer(@RequestHeader("Auth") UUID uui
         return new ResponseEntity<>(responseData, HttpStatus.OK);
     }
 
-//    private final FirebaseCloudMessageService firebaseCloudMessageService;
-//
-//    @PostMapping("/api/fcm")
-//    public ResponseEntity pushMessage(@RequestBody RequestDTO requestDTO) throws IOException {
-//        System.out.println(requestDTO.getTargetToken() + " "
-//                + requestDTO.getTitle() + " " + requestDTO.getBody());
-//
-//        firebaseCloudMessageService.sendMessageTo(
-//                requestDTO.getTargetToken(),
-//                requestDTO.getTitle(),
-//                requestDTO.getBody());
-//        return ResponseEntity.ok().build();
-//    }
+    @RequestMapping("/send/token")
+    public String sendToToken(@RequestHeader("Auth") UUID uuid) throws FirebaseMessagingException {
+
+        User user = userService.getUserByUuid(uuid);
+        BaseRoute baseRoute = baseRouteService.findByUser(user);
+        String pos = baseRoute.getFirstStation();
+        Long original = baseRoute.getAlarm().getAlarmTime();
+        String alarmTime = "";
+
+        if (original >= 60) {
+            if (original%60 == 0) {
+                alarmTime = original/60 +"시간 " + "00분";
+            } else {
+                alarmTime = original/60 +"시간 " + original%60 + "분";
+            }
+        } else {
+            alarmTime = original + "분";
+        }
+
+        String body = "마지막 위치 "+ pos + "역을 기준으로 "+ alarmTime +" 뒤에 막차가 끊깁니다!";
+
+
+        // See documentation on defining a message payload.
+        Message message = Message.builder()
+                .putData("title", "SeulSeul")
+                .putData("body", body)
+                .setToken(tokenKey.getToken())
+                .build();
+
+        // Send a message to the device corresponding to the provided
+        // registration token.
+        String response = FirebaseMessaging.getInstance().send(message);
+        // Response is a message ID string.
+
+        return body;
+    }
 
 }

src/main/java/com/seulseul/seulseul/controller/firbase/FirebaseConfig.java

@@ -0,0 +1,32 @@
+package com.seulseul.seulseul.controller.firbase;
+
+import com.google.auth.oauth2.GoogleCredentials;
+import com.google.firebase.FirebaseApp;
+import com.google.firebase.FirebaseOptions;
+import jakarta.annotation.PostConstruct;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.io.Resource;
+
+import java.io.File;
+import java.io.FileInputStream;
+
+@Configuration
+public class FirebaseConfig {
+    @Value("classpath:firebase/service-account.json")
+    private File file;
+
+    @PostConstruct
+    public void initFirebase() {
+        try {
+            // Service Account를 이용하여 Fireabse Admin SDK 초기화
+            FileInputStream serviceAccount = new FileInputStream(file);
+            FirebaseOptions options = new FirebaseOptions.Builder()
+                    .setCredentials(GoogleCredentials.fromStream(serviceAccount))
+                    .build();
+            FirebaseApp.initializeApp(options);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/com/seulseul/seulseul/entity/ApiKey.java

@@ -6,7 +6,7 @@
 import org.springframework.context.annotation.PropertySource;
 import org.springframework.stereotype.Component;
 
-;
+
 
 @Component
 @RequiredArgsConstructor

src/main/java/com/seulseul/seulseul/entity/TokenKey.java

@@ -0,0 +1,16 @@
+package com.seulseul.seulseul.entity;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+@Getter
+@PropertySource(value = "classpath:application-token.properties")
+public class TokenKey {
+    @Value("${token}")
+    private String token;
+}