Reduce code duplication

backend-services/feed-service/app/repositories/DailyRepository.scala

@@ -43,17 +43,7 @@ class DailyRepository extends MongoDBClient {
      */
     def getAllDailies(): Future[Seq[Daily]] = {
         val documents: Future[Seq[Document]] = find(dailiesCollection)
-        
-        documents.map(document => {
-            document.map(doc => Daily(
-                Some(doc.getObjectId("_id")),
-                doc.getObjectId("user_id"),
-                doc.getObjectId("question_id"),
-                doc.getString("content"),
-                doc.getInteger("likes"),
-                doc.getDate("createdAt")
-            ))
-        })
+        documents.map(docs => DailyRepository.fromMongoDocument(docs))
     }
 
     /**
@@ -64,17 +54,8 @@ class DailyRepository extends MongoDBClient {
     def getUserDailies(userId: ObjectId): Future[Seq[Daily]] = {
         val userFilter = Filters.equal("user_id", userId)
         val documents: Future[Seq[Document]] = find(dailiesCollection, userFilter)
-    
-        documents.map(document => {
-            document.map(doc => Daily(
-                Some(doc.getObjectId("_id")),
-                doc.getObjectId("user_id"),
-                doc.getObjectId("question_id"),
-                doc.getString("content"),
-                doc.getInteger("likes"),
-                doc.getDate("createdAt")
-            ))
-        })
+
+        documents.map(docs => DailyRepository.fromMongoDocument(docs))
     }
 
     /**
@@ -87,17 +68,7 @@ class DailyRepository extends MongoDBClient {
         val userFilter = Filters.in("user_id", userIds: _*)
         val documents: Future[Seq[Document]] = find(dailiesCollection, userFilter)
     
-        documents.map(document => {
-            println(documents)
-            document.map(doc => Daily(
-                Some(doc.getObjectId("_id")),
-                doc.getObjectId("user_id"),
-                doc.getObjectId("question_id"),
-                doc.getString("content"),
-                doc.getInteger("likes"),
-                doc.getDate("createdAt")
-            ))
-        })
+        documents.map(docs => DailyRepository.fromMongoDocument(docs))
     }
 
     /**
@@ -124,3 +95,21 @@ class DailyRepository extends MongoDBClient {
         })
     }
 }
+
+
+object DailyRepository {
+    def fromMongoDocument(document: Document): Daily = {
+        Daily(
+            Some(document.getObjectId("_id")),
+            document.getObjectId("user_id"),
+            document.getObjectId("question_id"),
+            document.getString("content"),
+            document.getInteger("likes"),
+            document.getDate("createdAt")
+        )
+    }
+
+    def fromMongoDocument(documents: Seq[Document]): Seq[Daily] = {
+        documents.map(document => DailyRepository.fromMongoDocument(document))
+    }
+}