feat: Implement messaging functionality with conversation and chat screens, and enhance agent detail views.
This commit is contained in:
pradeepkumar
281
lib/features/messaging/data/models/messaging_models.dart
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281
lib/features/messaging/data/models/messaging_models.dart
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enum MessageType {
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text,
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file,
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image,
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system;
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static MessageType fromString(String? value) {
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switch (value?.toUpperCase()) {
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case 'FILE':
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return MessageType.file;
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case 'IMAGE':
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return MessageType.image;
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case 'SYSTEM':
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return MessageType.system;
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default:
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return MessageType.text;
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}
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}
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String toApiString() => name.toUpperCase();
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}
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enum MessageStatus {
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sent,
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delivered,
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read;
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static MessageStatus fromString(String? value) {
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switch (value?.toUpperCase()) {
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case 'DELIVERED':
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return MessageStatus.delivered;
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case 'READ':
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return MessageStatus.read;
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default:
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return MessageStatus.sent;
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}
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}
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}
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class OtherParty {
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final String id;
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final String? userId;
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final String name;
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final String? avatar;
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final String? headline;
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final bool isOnline;
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final String? lastSeenAt;
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const OtherParty({
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required this.id,
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this.userId,
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required this.name,
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this.avatar,
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this.headline,
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this.isOnline = false,
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this.lastSeenAt,
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});
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factory OtherParty.fromJson(Map<String, dynamic> json) {
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return OtherParty(
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id: json['id'] as String,
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userId: json['userId'] as String?,
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name: json['name'] as String? ?? '',
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avatar: json['avatar'] as String?,
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headline: json['headline'] as String?,
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isOnline: json['isOnline'] as bool? ?? false,
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lastSeenAt: json['lastSeenAt'] as String?,
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);
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}
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}
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class Conversation {
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final String id;
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final String userId;
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final String agentProfileId;
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final String? lastMessageAt;
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final String? lastMessageText;
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final int userUnreadCount;
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final int agentUnreadCount;
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final int unreadCount;
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final String createdAt;
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final String updatedAt;
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final OtherParty otherParty;
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final List<ChatMessage>? messages;
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const Conversation({
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required this.id,
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required this.userId,
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required this.agentProfileId,
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this.lastMessageAt,
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this.lastMessageText,
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this.userUnreadCount = 0,
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this.agentUnreadCount = 0,
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this.unreadCount = 0,
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required this.createdAt,
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required this.updatedAt,
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required this.otherParty,
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this.messages,
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});
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factory Conversation.fromJson(Map<String, dynamic> json) {
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return Conversation(
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id: json['id'] as String,
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userId: json['userId'] as String,
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agentProfileId: json['agentProfileId'] as String,
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lastMessageAt: json['lastMessageAt'] as String?,
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lastMessageText: json['lastMessageText'] as String?,
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userUnreadCount: json['userUnreadCount'] as int? ?? 0,
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agentUnreadCount: json['agentUnreadCount'] as int? ?? 0,
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unreadCount: json['unreadCount'] as int? ?? 0,
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createdAt: json['createdAt'] as String,
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updatedAt: json['updatedAt'] as String,
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otherParty:
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OtherParty.fromJson(json['otherParty'] as Map<String, dynamic>),
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messages: (json['messages'] as List<dynamic>?)
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?.map((e) => ChatMessage.fromJson(e as Map<String, dynamic>))
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.toList(),
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);
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}
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Conversation copyWith({
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int? unreadCount,
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String? lastMessageAt,
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String? lastMessageText,
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OtherParty? otherParty,
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List<ChatMessage>? messages,
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}) {
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return Conversation(
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id: id,
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userId: userId,
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agentProfileId: agentProfileId,
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lastMessageAt: lastMessageAt ?? this.lastMessageAt,
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lastMessageText: lastMessageText ?? this.lastMessageText,
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userUnreadCount: userUnreadCount,
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agentUnreadCount: agentUnreadCount,
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unreadCount: unreadCount ?? this.unreadCount,
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createdAt: createdAt,
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updatedAt: updatedAt,
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otherParty: otherParty ?? this.otherParty,
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messages: messages ?? this.messages,
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);
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}
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}
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class SenderProfile {
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final String? firstName;
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final String? lastName;
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final String? avatar;
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const SenderProfile({this.firstName, this.lastName, this.avatar});
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factory SenderProfile.fromJson(Map<String, dynamic> json) {
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return SenderProfile(
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firstName: json['firstName'] as String?,
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lastName: json['lastName'] as String?,
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avatar: json['avatar'] as String?,
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);
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}
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}
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class MessageSender {
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final String id;
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final String role;
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final SenderProfile? userProfile;
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final SenderProfile? agentProfile;
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const MessageSender({
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required this.id,
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required this.role,
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this.userProfile,
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this.agentProfile,
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});
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String get displayName {
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final profile = userProfile ?? agentProfile;
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if (profile == null) return 'Unknown';
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return '${profile.firstName ?? ''} ${profile.lastName ?? ''}'.trim();
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}
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String? get avatar => userProfile?.avatar ?? agentProfile?.avatar;
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factory MessageSender.fromJson(Map<String, dynamic> json) {
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return MessageSender(
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id: json['id'] as String,
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role: json['role'] as String? ?? '',
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userProfile: json['userProfile'] != null
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? SenderProfile.fromJson(
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json['userProfile'] as Map<String, dynamic>)
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: null,
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agentProfile: json['agentProfile'] != null
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? SenderProfile.fromJson(
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json['agentProfile'] as Map<String, dynamic>)
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: null,
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);
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}
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}
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class ChatMessage {
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final String id;
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final String conversationId;
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final String senderId;
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final String content;
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final MessageType messageType;
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final String? fileUrl;
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final String? fileName;
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final int? fileSize;
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final String? mimeType;
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final MessageStatus status;
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final String? deliveredAt;
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final String? readAt;
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final String createdAt;
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final String updatedAt;
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final MessageSender sender;
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const ChatMessage({
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required this.id,
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required this.conversationId,
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required this.senderId,
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required this.content,
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this.messageType = MessageType.text,
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this.fileUrl,
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this.fileName,
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this.fileSize,
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this.mimeType,
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this.status = MessageStatus.sent,
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this.deliveredAt,
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this.readAt,
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required this.createdAt,
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required this.updatedAt,
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required this.sender,
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});
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bool isMine(String currentUserId) => senderId == currentUserId;
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factory ChatMessage.fromJson(Map<String, dynamic> json) {
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return ChatMessage(
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id: json['id'] as String,
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conversationId: json['conversationId'] as String,
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senderId: json['senderId'] as String,
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content: json['content'] as String? ?? '',
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messageType: MessageType.fromString(json['messageType'] as String?),
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fileUrl: json['fileUrl'] as String?,
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fileName: json['fileName'] as String?,
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fileSize: json['fileSize'] as int?,
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mimeType: json['mimeType'] as String?,
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status: MessageStatus.fromString(json['status'] as String?),
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deliveredAt: json['deliveredAt'] as String?,
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readAt: json['readAt'] as String?,
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createdAt: json['createdAt'] as String,
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updatedAt: json['updatedAt'] as String,
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sender: json['sender'] != null
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? MessageSender.fromJson(json['sender'] as Map<String, dynamic>)
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: MessageSender(id: json['senderId'] as String, role: ''),
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);
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}
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}
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class PaginationInfo {
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final int page;
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final int limit;
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final int total;
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final int pages;
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const PaginationInfo({
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required this.page,
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required this.limit,
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required this.total,
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required this.pages,
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});
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bool get hasMore => page < pages;
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factory PaginationInfo.fromJson(Map<String, dynamic> json) {
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return PaginationInfo(
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page: json['page'] as int? ?? 1,
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limit: json['limit'] as int? ?? 50,
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total: json['total'] as int? ?? 0,
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pages: json['pages'] as int? ?? 1,
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);
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}
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}
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