second: open camera

src/lib/Firebase/messages.js

@@ -1,16 +1,24 @@
-import { collection, query, where, getDocs } from 'firebase/firestore'; // tools for building and running db queries
-import { db } from './config'; // database connection
-import { getQueryPrefix } from '$lib/utils/geohash'; // convert coordinates into geohash string 
+import { collection, query, where, getDocs } from 'firebase/firestore';
+import { getDb, isFirebaseConfigured } from './config.js';
+import { getQueryPrefix } from '$lib/utils/geohash.js';
 
 export async function getNearbyMessages(lat, lng) {
-    const prefix = getQueryPrefix(lat, lng);
+	if (!isFirebaseConfigured()) {
+		console.warn(
+			'Firebase가 설정되지 않아 메시지를 불러오지 못했습니다. 프로젝트 루트에 .env 파일을 추가하세요.'
+		);
+		return [];
+	}
 
-    const q = query(
-        collection(db, 'messages'),
-        where('geohash', '>=', prefix),
-        where('geohash', '<', prefix + 'z')
-    );
+	const prefix = getQueryPrefix(lat, lng);
+	const db = getDb();
 
-    const snapshot = await getDocs(q);
-    return snapshot.docs.map(doc => ({ id: doc.id, ...doc.data() }));
-}
+	const q = query(
+		collection(db, 'messages'),
+		where('geohash', '>=', prefix),
+		where('geohash', '<', prefix + 'z')
+	);
+
+	const snapshot = await getDocs(q);
+	return snapshot.docs.map((doc) => ({ id: doc.id, ...doc.data() }));
+}