fix: 🐛 added copyWith methods for model

CHANGELOG.md

@@ -1,6 +1,6 @@
 ## [2.0.0] (Unreleased)
 
-* **Fix**: [177](https://github.com/SimformSolutionsPvtLtd/flutter_chatview/pull/177) Fixed
+* **Breaking**: [177](https://github.com/SimformSolutionsPvtLtd/flutter_chatview/pull/177) Fixed
   json serializable of models and added copyWith method (Message, Reaction and Reply Message).
 * **Fix**: [182](https://github.com/SimformSolutionsPvtLtd/flutter_chatview/issues/182) Fix
   send message not working when user start texting after newLine.

lib/src/models/chat_user.dart

@@ -67,15 +67,34 @@ class ChatUser {
         id: json["id"],
         name: json["name"],
         profilePhoto: json["profilePhoto"],
-        imageType: json["imageType"],
+        imageType: ImageType.tryParse(json['imageType']?.toString()) ??
+            ImageType.network,
         defaultAvatarImage: json["defaultAvatarImage"],
       );
 
   Map<String, dynamic> toJson() => {
         'id': id,
         'name': name,
         'profilePhoto': profilePhoto,
-        'imageType': imageType,
+        'imageType': imageType.name,
         'defaultAvatarImage': defaultAvatarImage,
       };
+
+  ChatUser copyWith({
+    String? id,
+    String? name,
+    String? profilePhoto,
+    ImageType? imageType,
+    String? defaultAvatarImage,
+    bool forceNullValue = false,
+  }) {
+    return ChatUser(
+      id: id ?? this.id,
+      name: name ?? this.name,
+      imageType: imageType ?? this.imageType,
+      profilePhoto:
+          forceNullValue ? profilePhoto : profilePhoto ?? this.profilePhoto,
+      defaultAvatarImage: defaultAvatarImage ?? this.defaultAvatarImage,
+    );
+  }
 }

lib/src/models/message.dart

@@ -96,29 +96,18 @@ class Message {
         createdAt:
             DateTime.tryParse(json['createdAt'].toString()) ?? DateTime.now(),
         sendBy: json['sendBy']?.toString() ?? '',
-        replyMessage: json['reply_message'] == null
-            ? const ReplyMessage()
-            : ReplyMessage.fromJson(
-                json['reply_message'] is Map<String, dynamic>
-                    ? json['reply_message'] as Map<String, dynamic>
-                    : <String, dynamic>{},
-              ),
-        reaction: json['reaction'] == null
-            ? null
-            : Reaction.fromJson(
-                json['reaction'] is Map<String, dynamic>
-                    ? json['reaction'] as Map<String, dynamic>
-                    : <String, dynamic>{},
-              ),
+        replyMessage: json['reply_message'] is Map<String, dynamic>
+            ? ReplyMessage.fromJson(json['reply_message'])
+            : const ReplyMessage(),
+        reaction: json['reaction'] is Map<String, dynamic>
+            ? Reaction.fromJson(json['reaction'])
+            : null,
         messageType: MessageType.tryParse(json['message_type']?.toString()) ??
             MessageType.text,
-        voiceMessageDuration: json['voice_message_duration'] == null
-            ? null
-            : Duration(
-                microseconds:
-                    int.tryParse(json['voice_message_duration'].toString()) ??
-                        0,
-              ),
+        voiceMessageDuration: Duration(
+          microseconds:
+              int.tryParse(json['voice_message_duration'].toString()) ?? 0,
+        ),
         status: MessageStatus.tryParse(json['status']?.toString()) ??
             MessageStatus.pending,
       );
@@ -134,4 +123,32 @@ class Message {
         'voice_message_duration': voiceMessageDuration?.inMicroseconds,
         'status': status.name,
       };
+
+  Message copyWith({
+    String? id,
+    GlobalKey? key,
+    String? message,
+    DateTime? createdAt,
+    String? sendBy,
+    ReplyMessage? replyMessage,
+    Reaction? reaction,
+    MessageType? messageType,
+    Duration? voiceMessageDuration,
+    MessageStatus? status,
+    bool forceNullValue = false,
+  }) {
+    return Message(
+      id: id ?? this.message,
+      message: message ?? this.message,
+      createdAt: createdAt ?? this.createdAt,
+      sendBy: sendBy ?? this.sendBy,
+      messageType: messageType ?? this.messageType,
+      voiceMessageDuration: forceNullValue
+          ? voiceMessageDuration
+          : voiceMessageDuration ?? this.voiceMessageDuration,
+      reaction: reaction ?? this.reaction,
+      replyMessage: replyMessage ?? this.replyMessage,
+      status: status ?? this.status,
+    );
+  }
 }

lib/src/models/reaction.dart

@@ -5,29 +5,30 @@ class Reaction {
   });
 
   factory Reaction.fromJson(Map<String, dynamic> json) {
-    final reactions = <String>[];
     final reactionsList = json['reactions'] is List<dynamic>
         ? json['reactions'] as List<dynamic>
         : <dynamic>[];
 
-    for (var i = 0; i < reactionsList.length; i++) {
-      final reaction = reactionsList[i]?.toString();
-      if (reaction?.isEmpty ?? true) continue;
-      reactions.add(reaction!);
-    }
+    final reactions = <String>[
+      for (var i = 0; i < reactionsList.length; i++)
+        if (reactionsList[i]?.toString().isNotEmpty ?? false)
+          reactionsList[i]!.toString()
+    ];
 
-    final reactedUserIds = <String>[];
     final reactedUserIdList = json['reactedUserIds'] is List<dynamic>
         ? json['reactedUserIds'] as List<dynamic>
         : <dynamic>[];
 
-    for (var i = 0; i < reactedUserIdList.length; i++) {
-      final reactedUserId = reactedUserIdList[i]?.toString();
-      if (reactedUserId?.isEmpty ?? true) continue;
-      reactedUserIds.add(reactedUserId!);
-    }
+    final reactedUserIds = <String>[
+      for (var i = 0; i < reactedUserIdList.length; i++)
+        if (reactedUserIdList[i]?.toString().isNotEmpty ?? false)
+          reactedUserIdList[i]!.toString()
+    ];
 
-    return Reaction(reactions: reactions, reactedUserIds: reactedUserIds);
+    return Reaction(
+      reactions: reactions,
+      reactedUserIds: reactedUserIds,
+    );
   }
 
   /// Provides list of reaction in single message.
@@ -40,4 +41,14 @@ class Reaction {
         'reactions': reactions,
         'reactedUserIds': reactedUserIds,
       };
+
+  Reaction copyWith({
+    List<String>? reactions,
+    List<String>? reactedUserIds,
+  }) {
+    return Reaction(
+      reactions: reactions ?? this.reactions,
+      reactedUserIds: reactedUserIds ?? this.reactedUserIds,
+    );
+  }
 }

lib/src/models/reply_message.dart

@@ -54,12 +54,10 @@ class ReplyMessage {
         messageType: MessageType.tryParse(json['message_type']?.toString()) ??
             MessageType.text,
         messageId: json['id']?.toString() ?? '',
-        voiceMessageDuration: json['voiceMessageDuration'] == null
-            ? null
-            : Duration(
-                microseconds:
-                    int.tryParse(json['voiceMessageDuration'].toString()) ?? 0,
-              ),
+        voiceMessageDuration: Duration(
+          microseconds:
+              int.tryParse(json['voiceMessageDuration'].toString()) ?? 0,
+        ),
       );
 
   Map<String, dynamic> toJson() => {
@@ -70,4 +68,25 @@ class ReplyMessage {
         'id': messageId,
         'voiceMessageDuration': voiceMessageDuration?.inMicroseconds,
       };
+
+  ReplyMessage copyWith({
+    String? messageId,
+    String? message,
+    String? replyTo,
+    String? replyBy,
+    MessageType? messageType,
+    Duration? voiceMessageDuration,
+    bool forceNullValue = false,
+  }) {
+    return ReplyMessage(
+      messageId: messageId ?? this.messageId,
+      message: message ?? this.message,
+      replyTo: replyTo ?? this.replyTo,
+      replyBy: replyBy ?? this.replyBy,
+      messageType: messageType ?? this.messageType,
+      voiceMessageDuration: forceNullValue
+          ? voiceMessageDuration
+          : voiceMessageDuration ?? this.voiceMessageDuration,
+    );
+  }
 }

lib/src/values/enumeration.dart

@@ -88,6 +88,19 @@ enum ImageType {
   bool get isAsset => this == ImageType.asset;
 
   bool get isBase64 => this == ImageType.base64;
+
+  static ImageType? tryParse(String? value) {
+    final type = value?.trim().toLowerCase();
+    if (type?.isEmpty ?? true) return null;
+    if (type == asset.name) {
+      return asset;
+    } else if (type == network.name) {
+      return network;
+    } else if (type == base64.name) {
+      return base64;
+    }
+    return null;
+  }
 }
 
 extension ChatViewStateExtension on ChatViewState {