Add updatedAt field to Dailies

backend-services/feed-service/app/models/Daily.scala

@@ -21,7 +21,8 @@ case class Daily(
     questionId: ObjectId,
     content: String,
     likes: Int,
-    createdAt: Date
+    createdAt: Date,
+    updatedAt: Date
 )
 
 object Daily {
@@ -62,16 +63,17 @@ object Daily {
 
     // Convert from Daily object to JSON (serializing to JSON)
     def toJson(daily: Daily): JsValue = {
-        val dateFormat: SimpleDateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
-        val formattedDate: String = dateFormat.format(daily.createdAt);
+        val dateFormat: SimpleDateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'")
+        val formattedCreatedAt: String = dateFormat.format(daily.createdAt)
+        val formattedUpdatedAt: String = dateFormat.format(daily.updatedAt)
 
         val dailyJson = Seq(
             "id" -> JsString(daily.id.getOrElse("").toString()),
             "userId" -> JsString(daily.userId.toString()),
             "questionId" -> JsString(daily.questionId.toString()),
             "content" -> JsString(daily.content),
-            "likes" -> JsNumber(daily.likes),
-            "createdAt" -> JsString(formattedDate)
+            "createdAt" -> JsString(formattedCreatedAt),
+            "updatedAt" -> JsString(formattedUpdatedAt)
         )
         
         Json.toJson(JsObject(dailyJson))

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

@@ -83,7 +83,8 @@ class DailyRepository extends MongoDBClient {
             "question_id" -> daily.questionId,
             "content" -> daily.content,
             "likes" -> daily.likes,
-            "createdAt" -> daily.createdAt
+            "createdAt" -> daily.createdAt,
+            "updatedAt" -> daily.updatedAt
         )
 
         val result = insertOne(dailiesCollection, document)
@@ -105,7 +106,8 @@ object DailyRepository {
             document.getObjectId("question_id"),
             document.getString("content"),
             document.getInteger("likes"),
-            document.getDate("createdAt")
+            document.getDate("createdAt"),
+            document.getDate("updatedAt")
         )
     }