chore: Adjust the default values of some properties.

lib/src/models/conversation_info.dart

@@ -25,7 +25,7 @@ class ConversationInfo {
   int? recvMsgOpt;
 
   // Number of unread messages in the conversation
-  int? unreadCount;
+  int unreadCount = 0;
 
   // Latest message in the conversation
   Message? latestMsg;
@@ -72,7 +72,7 @@ class ConversationInfo {
     this.showName,
     this.faceURL,
     this.recvMsgOpt,
-    this.unreadCount,
+    this.unreadCount = 0,
     this.latestMsg,
     this.latestMsgSendTime,
     this.draftText,
@@ -87,8 +87,7 @@ class ConversationInfo {
     this.msgDestructTime,
   });
 
-  ConversationInfo.fromJson(Map<String, dynamic> json)
-      : conversationID = json['conversationID'] {
+  ConversationInfo.fromJson(Map<String, dynamic> json) : conversationID = json['conversationID'] {
     conversationType = json['conversationType'];
     userID = json['userID'];
     groupID = json['groupID'];
@@ -146,19 +145,14 @@ class ConversationInfo {
   bool get isSingleChat => conversationType == ConversationType.single;
 
   // Check if it's a group chat
-  bool get isGroupChat =>
-      conversationType == ConversationType.group ||
-      conversationType == ConversationType.superGroup;
+  bool get isGroupChat => conversationType == ConversationType.group || conversationType == ConversationType.superGroup;
 
   // Check if it's a valid conversation (not in a group if isNotInGroup is true)
   bool get isValid => isSingleChat || (isGroupChat && !isNotInGroup!);
 
   @override
   bool operator ==(Object other) =>
-      identical(this, other) ||
-      other is ConversationInfo &&
-          runtimeType == other.runtimeType &&
-          conversationID == other.conversationID;
+      identical(this, other) || other is ConversationInfo && runtimeType == other.runtimeType && conversationID == other.conversationID;
 
   @override
   int get hashCode => conversationID.hashCode;

lib/src/models/message.dart

@@ -920,37 +920,27 @@ class MessageEntity {
 
 /// Group message read information
 class GroupHasReadInfo {
-  /// List of user IDs that have read the message
-  List<String>? hasReadUserIDList;
-
-  /// Total number of messages read
+  /// Total number of reads
   int? hasReadCount;
 
-  /// Number of group members when this message was sent
-  int? groupMemberCount;
+  int? unreadCount;
 
   GroupHasReadInfo.fromJson(Map<String, dynamic> json) {
-    if (json['hasReadUserIDList'] == null) {
-      hasReadUserIDList = <String>[];
-    } else {
-      hasReadUserIDList = (json['hasReadUserIDList'] as List).cast<String>();
-    }
     hasReadCount = json['hasReadCount'] ?? 0;
-    groupMemberCount = json['groupMemberCount'] ?? 0;
+    unreadCount = json['unreadCount'] ?? 0;
   }
 
   Map<String, dynamic> toJson() {
     final data = Map<String, dynamic>();
-    data['hasReadUserIDList'] = this.hasReadUserIDList;
     data['hasReadCount'] = this.hasReadCount;
-    data['groupMemberCount'] = this.groupMemberCount;
+    data['unreadCount'] = this.unreadCount;
     return data;
   }
 }
 
 /// Message read receipt information
 class ReadReceiptInfo {
-  /// Sender's ID
+  /// Sender ID
   String? userID;
 
   /// Group ID