From 423bd67443d1b785f3b2dd9e058c98b517cba607 Mon Sep 17 00:00:00 2001
From: edv-Shin <edvedv613@gmail.com>
Date: Sun, 6 Sep 2026 01:56:35 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20=EC=98=A4=ED=94=84=EB=9D=BC=EC=9D=B8=20?=
 =?UTF-8?q?=EC=BA=90=EC=8B=9C=20Remote=20Config=20=ED=94=8C=EB=9E=98?=
 =?UTF-8?q?=EA=B7=B8=20=EC=B6=94=EA=B0=80=20#582?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../main/res/xml/remote_config_defaults.xml   |  4 ++++
 .../common/constants/RemoteConfigKeys.kt      |  3 +++
 .../data/datasource/FeatureFlagDataSource.kt  | 24 +++++++++++++++++++
 3 files changed, 31 insertions(+)
 create mode 100644 data/src/main/java/com/project200/data/datasource/FeatureFlagDataSource.kt

diff --git a/app/src/main/res/xml/remote_config_defaults.xml b/app/src/main/res/xml/remote_config_defaults.xml
index bbe22594..42475696 100644
--- a/app/src/main/res/xml/remote_config_defaults.xml
+++ b/app/src/main/res/xml/remote_config_defaults.xml
@@ -8,4 +8,8 @@
         <key>min_required_version_code</key>
         <value>1</value>
     </entry>
+    <entry>
+        <key>offline_cache_enabled</key>
+        <value>false</value>
+    </entry>
 </defaultsMap>
\ No newline at end of file
diff --git a/common/src/main/java/com/project200/common/constants/RemoteConfigKeys.kt b/common/src/main/java/com/project200/common/constants/RemoteConfigKeys.kt
index b1fd3ae5..6f40d7dd 100644
--- a/common/src/main/java/com/project200/common/constants/RemoteConfigKeys.kt
+++ b/common/src/main/java/com/project200/common/constants/RemoteConfigKeys.kt
@@ -3,4 +3,7 @@ package com.project200.common.constants
 object RemoteConfigKeys {
     const val LATEST_VERSION_CODE = "latest_version_code"
     const val MIN_REQUIRED_VERSION_CODE = "min_required_version_code"
+
+    // 오프라인 캐시 경로 on/off. 문제 시 앱 배포 없이 기존 네트워크 경로로 되돌리는 수단
+    const val OFFLINE_CACHE_ENABLED = "offline_cache_enabled"
 }
diff --git a/data/src/main/java/com/project200/data/datasource/FeatureFlagDataSource.kt b/data/src/main/java/com/project200/data/datasource/FeatureFlagDataSource.kt
new file mode 100644
index 00000000..d5a9fcd9
--- /dev/null
+++ b/data/src/main/java/com/project200/data/datasource/FeatureFlagDataSource.kt
@@ -0,0 +1,24 @@
+package com.project200.data.datasource
+
+import com.google.firebase.remoteconfig.FirebaseRemoteConfig
+import com.project200.common.constants.RemoteConfigKeys
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ * Remote Config로 켜고 끄는 기능 플래그를 읽습니다.
+ *
+ * fetch는 앱 진입의 업데이트 확인(`AppUpdateRepositoryImpl.getUpdateInfo`)이 이미 수행합니다.
+ * 여기서는 활성화된 값만 읽습니다
+ *
+ * 진입 전이거나 fetch가 실패한 기기에서는 `remote_config_defaults.xml`의 기본값이 읽힙니다.
+ * 기본값이 곧 최악 상황의 동작이라 꺼짐으로 두었습니다
+ */
+@Singleton
+class FeatureFlagDataSource
+    @Inject
+    constructor(
+        private val firebaseRemoteConfig: FirebaseRemoteConfig,
+    ) {
+        fun isOfflineCacheEnabled(): Boolean = firebaseRemoteConfig.getBoolean(RemoteConfigKeys.OFFLINE_CACHE_ENABLED)
+    }