fix!: 🐛 json parsing issue

CHANGELOG.md

@@ -1,5 +1,7 @@
 ## [2.0.0] (Unreleased)
 
+* **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.
 * **Feat**: [156](https://github.com/SimformSolutionsPvtLtd/flutter_chatview/pull/156) Added
@@ -41,7 +43,6 @@
 * **Feat**: [161](https://github.com/SimformSolutionsPvtLtd/flutter_chatview/pull/161) Added
   field to set top padding of chat text field.
 
-
 ## [1.3.1]
 
 * **Feat**: [105](https://github.com/SimformSolutionsPvtLtd/flutter_chatview/pull/105) Allow user

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

@@ -91,25 +91,64 @@ class Message {
   }
 
   factory Message.fromJson(Map<String, dynamic> json) => Message(
-      id: json["id"],
-      message: json["message"],
-      createdAt: json["createdAt"],
-      sendBy: json["sendBy"],
-      replyMessage: ReplyMessage.fromJson(json["reply_message"]),
-      reaction: Reaction.fromJson(json["reaction"]),
-      messageType: json["message_type"],
-      voiceMessageDuration: json["voice_message_duration"],
-      status: json['status']);
+        id: json['id']?.toString() ?? '',
+        message: json['message']?.toString() ?? '',
+        createdAt:
+            DateTime.tryParse(json['createdAt'].toString()) ?? DateTime.now(),
+        sendBy: json['sendBy']?.toString() ?? '',
+        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: Duration(
+          microseconds:
+              int.tryParse(json['voice_message_duration'].toString()) ?? 0,
+        ),
+        status: MessageStatus.tryParse(json['status']?.toString()) ??
+            MessageStatus.pending,
+      );
 
   Map<String, dynamic> toJson() => {
         'id': id,
         'message': message,
-        'createdAt': createdAt,
+        'createdAt': createdAt.toIso8601String(),
         'sendBy': sendBy,
         'reply_message': replyMessage.toJson(),
         'reaction': reaction.toJson(),
-        'message_type': messageType,
-        'voice_message_duration': voiceMessageDuration,
-        'status': status.name
+        'message_type': messageType.name,
+        '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

@@ -4,10 +4,32 @@ class Reaction {
     required this.reactedUserIds,
   });
 
-  factory Reaction.fromJson(Map<String, dynamic> json) => Reaction(
-        reactions: json['reactions'],
-        reactedUserIds: json['reactedUserIds'],
-      );
+  factory Reaction.fromJson(Map<String, dynamic> json) {
+    final reactionsList = json['reactions'] is List<dynamic>
+        ? json['reactions'] as List<dynamic>
+        : <dynamic>[];
+
+    final reactions = <String>[
+      for (var i = 0; i < reactionsList.length; i++)
+        if (reactionsList[i]?.toString().isNotEmpty ?? false)
+          reactionsList[i]!.toString()
+    ];
+
+    final reactedUserIdList = json['reactedUserIds'] is List<dynamic>
+        ? json['reactedUserIds'] as List<dynamic>
+        : <dynamic>[];
+
+    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,
+    );
+  }
 
   /// Provides list of reaction in single message.
   final List<String> reactions;
@@ -19,4 +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

@@ -48,20 +48,45 @@ class ReplyMessage {
   });
 
   factory ReplyMessage.fromJson(Map<String, dynamic> json) => ReplyMessage(
-        message: json['message'],
-        replyBy: json['replyBy'],
-        replyTo: json['replyTo'],
-        messageType: json["message_type"],
-        messageId: json["id"],
-        voiceMessageDuration: json["voiceMessageDuration"],
+        message: json['message']?.toString() ?? '',
+        replyBy: json['replyBy']?.toString() ?? '',
+        replyTo: json['replyTo']?.toString() ?? '',
+        messageType: MessageType.tryParse(json['message_type']?.toString()) ??
+            MessageType.text,
+        messageId: json['id']?.toString() ?? '',
+        voiceMessageDuration: Duration(
+          microseconds:
+              int.tryParse(json['voiceMessageDuration'].toString()) ?? 0,
+        ),
       );
 
   Map<String, dynamic> toJson() => {
         'message': message,
         'replyBy': replyBy,
         'replyTo': replyTo,
-        'message_type': messageType,
+        'message_type': messageType.name,
         'id': messageId,
-        'voiceMessageDuration': voiceMessageDuration,
+        '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

@@ -27,7 +27,22 @@ enum MessageType {
 
   /// Only supported on android and ios
   voice,
-  custom
+  custom;
+
+  static MessageType? tryParse(String? value) {
+    final type = value?.trim().toLowerCase();
+    if (type?.isEmpty ?? true) return null;
+    if (type == image.name) {
+      return image;
+    } else if (type == text.name) {
+      return text;
+    } else if (type == voice.name) {
+      return voice;
+    } else if (type == custom.name) {
+      return custom;
+    }
+    return null;
+  }
 }
 
 /// Events, Wheter the user is still typing a message or has
@@ -36,7 +51,27 @@ enum TypeWriterStatus { typing, typed }
 
 /// [MessageStatus] defines the current state of the message
 /// if you are sender sending a message then, the
-enum MessageStatus { read, delivered, undelivered, pending }
+enum MessageStatus {
+  read,
+  delivered,
+  undelivered,
+  pending;
+
+  static MessageStatus? tryParse(String? value) {
+    final status = value?.trim().toLowerCase();
+    if (status?.isEmpty ?? true) return null;
+    if (status == read.name) {
+      return read;
+    } else if (status == delivered.name) {
+      return delivered;
+    } else if (status == undelivered.name) {
+      return undelivered;
+    } else if (status == pending.name) {
+      return pending;
+    }
+    return null;
+  }
+}
 
 /// Types of states
 enum ChatViewState { hasMessages, noData, loading, error }
@@ -53,6 +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 {