From d2f96226c4695f8eca4a943cb3d38173da158ca1 Mon Sep 17 00:00:00 2001
From: JiWoo <zbqmgldjfh@gmail.com>
Date: Sun, 21 Jan 2024 11:06:05 +0900
Subject: [PATCH] =?UTF-8?q?[Setting]=20Firebase=20=EC=84=A4=EC=A0=95=20(#2?=
 =?UTF-8?q?5)?=
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* feat: add submodules

* setting(build.gradle.kts): Firebase 의존성 추가

* feat(FirebaseConfig): FirebaseConfig 설정 완료

* refactor(gitmodules): 서브모듈 path 상대경로로 수정
---
 .gitmodules                                   |  3 ++
 build.gradle.kts                              |  3 ++
 .../plantory/common/config/FirebaseConfig.kt  | 52 +++++++++++++++++++
 src/main/resources/application.yml            |  4 ++
 src/main/resources/config                     |  1 +
 5 files changed, 63 insertions(+)
 create mode 100644 .gitmodules
 create mode 100644 src/main/kotlin/gdsc/plantory/common/config/FirebaseConfig.kt
 create mode 160000 src/main/resources/config

diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..f996b98
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/main/resources/config"]
+	path = src/main/resources/config
+	url = https://github.com/gdsc-konkuk/Plantory-Server-Config.git
diff --git a/build.gradle.kts b/build.gradle.kts
index 2999786..bc6f91b 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -57,6 +57,9 @@ dependencies {
     implementation("com.querydsl:querydsl-jpa:5.0.0")
     kapt("com.querydsl:querydsl-apt:5.0.0:jpa")
     kapt("org.springframework.boot:spring-boot-configuration-processor")
+
+    // firebase
+    implementation("com.google.firebase:firebase-admin:9.2.0")
 }
 
 tasks.withType<KotlinCompile> {
diff --git a/src/main/kotlin/gdsc/plantory/common/config/FirebaseConfig.kt b/src/main/kotlin/gdsc/plantory/common/config/FirebaseConfig.kt
new file mode 100644
index 0000000..2578533
--- /dev/null
+++ b/src/main/kotlin/gdsc/plantory/common/config/FirebaseConfig.kt
@@ -0,0 +1,52 @@
+package gdsc.plantory.common.config
+
+import com.google.auth.oauth2.GoogleCredentials
+import com.google.firebase.FirebaseApp
+import com.google.firebase.FirebaseOptions
+import com.google.firebase.messaging.FirebaseMessaging
+import org.springframework.beans.factory.annotation.Value
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.core.io.ClassPathResource
+import java.util.Optional
+
+@Configuration
+class FirebaseConfig(
+    @Value("\${fcm.key.path}")
+    private val fcmPrivateKeyPath: String
+) {
+
+    @Bean
+    fun firebaseMessaging(): FirebaseMessaging {
+        val defaultFirebaseApp = defaultFirebaseApp()
+
+        if (defaultFirebaseApp.isPresent) {
+            return FirebaseMessaging.getInstance(defaultFirebaseApp.get())
+        }
+
+        return FirebaseMessaging.getInstance(FirebaseApp.initializeApp(createFirebaseOption()))
+    }
+
+    private fun defaultFirebaseApp(): Optional<FirebaseApp> {
+        val firebaseAppList = FirebaseApp.getApps()
+
+        if (firebaseAppList == null || firebaseAppList.isEmpty()) {
+            return Optional.empty()
+        }
+
+        return firebaseAppList.stream()
+            .filter { firebaseApp: FirebaseApp -> firebaseApp.name == FirebaseApp.DEFAULT_APP_NAME }
+            .findAny()
+    }
+
+    private fun createFirebaseOption(): FirebaseOptions {
+        return FirebaseOptions.builder()
+            .setCredentials(createGoogleCredentials())
+            .build()
+    }
+
+    private fun createGoogleCredentials(): GoogleCredentials {
+        return GoogleCredentials
+            .fromStream(ClassPathResource(fcmPrivateKeyPath).inputStream)
+    }
+}
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 3a49803..cd8babe 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -20,3 +20,7 @@ local:
 companionPlant:
   image:
     directory: photos/companionPlant
+
+fcm:
+  key:
+    path: src/main/resources/config/google-services.json
diff --git a/src/main/resources/config b/src/main/resources/config
new file mode 160000
index 0000000..7897edf
--- /dev/null
+++ b/src/main/resources/config
@@ -0,0 +1 @@
+Subproject commit 7897edf6aa6e3a328799b060bb61f744967da5fa