added logic of unread notifications

lib/features/notifications/models/notification_model.dart

@@ -1,10 +1,13 @@
 sealed class BaseNotificationModel {
   abstract final NotificationType type;
+  abstract final bool isRead;
 }
 
 class PlanSubscriptionStartedToAuthorNotification implements BaseNotificationModel {
   @override
   final NotificationType type;
+  @override
+  final bool isRead;
   final String planName;
   final String customerName;
   final String chatId;
@@ -14,14 +17,16 @@ class PlanSubscriptionStartedToAuthorNotification implements BaseNotificationMod
     required this.planName,
     required this.customerName,
     required this.chatId,
+    required this.isRead,
   });
 
-  factory PlanSubscriptionStartedToAuthorNotification.fromJson(Map<String, dynamic> json, NotificationType type) {
+  factory PlanSubscriptionStartedToAuthorNotification.fromJson(Map<String, dynamic> json, NotificationType type, {bool? isRead}) {
     return PlanSubscriptionStartedToAuthorNotification(
       type: type,
       planName: json['plan_name'],
       customerName: json['user_name'],
       chatId: json['chat_id'],
+      isRead: isRead ?? false,
     );
   }
 }
@@ -29,6 +34,8 @@ class PlanSubscriptionStartedToAuthorNotification implements BaseNotificationMod
 class PlanSubscriptionCanceledToAuthorNotification implements BaseNotificationModel {
   @override
   final NotificationType type;
+  @override
+  final bool isRead;
   final String planName;
   final String customerName;
 
@@ -36,13 +43,15 @@ class PlanSubscriptionCanceledToAuthorNotification implements BaseNotificationMo
     required this.type,
     required this.planName,
     required this.customerName,
+    required this.isRead,
   });
 
-  factory PlanSubscriptionCanceledToAuthorNotification.fromJson(Map<String, dynamic> json, NotificationType type) {
+  factory PlanSubscriptionCanceledToAuthorNotification.fromJson(Map<String, dynamic> json, NotificationType type, {bool? isRead}) {
     return PlanSubscriptionCanceledToAuthorNotification(
       type: type,
       planName: json['plan_name'],
       customerName: json['user_name'],
+      isRead: isRead ?? false,
     );
   }
 }
@@ -50,6 +59,8 @@ class PlanSubscriptionCanceledToAuthorNotification implements BaseNotificationMo
 class ChosenPlanStartedToClientNotification implements BaseNotificationModel {
   @override
   final NotificationType type;
+  @override
+  final bool isRead;
   final String planName;
   final int planId;
 
@@ -57,13 +68,15 @@ class ChosenPlanStartedToClientNotification implements BaseNotificationModel {
     required this.type,
     required this.planName,
     required this.planId,
+    required this.isRead,
   });
 
-  factory ChosenPlanStartedToClientNotification.fromJson(Map<String, dynamic> json, NotificationType type) {
+  factory ChosenPlanStartedToClientNotification.fromJson(Map<String, dynamic> json, NotificationType type, {bool? isRead}) {
     return ChosenPlanStartedToClientNotification(
       type: type,
       planName: json['plan_name'],
       planId: json['plan_id'],
+      isRead: isRead ?? false,
     );
   }
 }
@@ -71,58 +84,70 @@ class ChosenPlanStartedToClientNotification implements BaseNotificationModel {
 class ChosenPlanTomorrowReminderToClientNotification implements BaseNotificationModel {
   @override
   final NotificationType type;
+  @override
+  final bool isRead;
   final String planName;
 
   ChosenPlanTomorrowReminderToClientNotification({
     required this.type,
     required this.planName,
+    required this.isRead,
   });
 
-  factory ChosenPlanTomorrowReminderToClientNotification.fromJson(Map<String, dynamic> json, NotificationType type) {
-    return ChosenPlanTomorrowReminderToClientNotification(
-      type: type,
-      planName: json['plan_name'],
-    );
+  factory ChosenPlanTomorrowReminderToClientNotification.fromJson(Map<String, dynamic> json, NotificationType type, {bool? isRead}) {
+    return ChosenPlanTomorrowReminderToClientNotification(type: type, planName: json['plan_name'], isRead: isRead ?? false);
   }
 }
 
 class DiaryReminderNotification implements BaseNotificationModel {
   @override
   final NotificationType type;
+  @override
+  final bool isRead;
+  DiaryReminderNotification({required this.type, required this.isRead});
 
-  DiaryReminderNotification({required this.type});
-
-  factory DiaryReminderNotification.fromJson(Map<String, dynamic> json, NotificationType type) {
-    return DiaryReminderNotification(
-      type: type,
-    );
+  factory DiaryReminderNotification.fromJson(Map<String, dynamic> json, NotificationType type, {bool? isRead}) {
+    return DiaryReminderNotification(type: type, isRead: isRead ?? false);
   }
 }
 
 class ConsultantLeftCommentNotification implements BaseNotificationModel {
   @override
   final NotificationType type;
+  @override
+  final bool isRead;
   final DateTime date;
 
   ConsultantLeftCommentNotification({
     required this.type,
     required this.date,
+    required this.isRead,
   });
 
-  factory ConsultantLeftCommentNotification.fromJson(Map<String, dynamic> json, NotificationType type) {
-    return ConsultantLeftCommentNotification(type: type, date: json['diary_date']);
+  factory ConsultantLeftCommentNotification.fromJson(Map<String, dynamic> json, NotificationType type, {bool? isRead}) {
+    return ConsultantLeftCommentNotification(
+      type: type,
+      date: json['diary_date'],
+      isRead: isRead ?? false,
+    );
   }
 }
 
 class PersonalizedDietIsDefinedNotification implements BaseNotificationModel {
   @override
   final NotificationType type;
+  @override
+  final bool isRead;
 
-  PersonalizedDietIsDefinedNotification({required this.type});
+  PersonalizedDietIsDefinedNotification({
+    required this.type,
+    required this.isRead,
+  });
 
-  factory PersonalizedDietIsDefinedNotification.fromJson(Map<String, dynamic> json, NotificationType type) {
+  factory PersonalizedDietIsDefinedNotification.fromJson(Map<String, dynamic> json, NotificationType type, {bool? isRead}) {
     return PersonalizedDietIsDefinedNotification(
       type: type,
+      isRead: isRead ?? false,
     );
   }
 }
@@ -130,30 +155,41 @@ class PersonalizedDietIsDefinedNotification implements BaseNotificationModel {
 class ChosenPlanFinishedToClientNotification implements BaseNotificationModel {
   @override
   final NotificationType type;
+  @override
+  final bool isRead;
   final String planName;
   ChosenPlanFinishedToClientNotification({
     required this.type,
     required this.planName,
+    required this.isRead,
   });
 
-  factory ChosenPlanFinishedToClientNotification.fromJson(Map<String, dynamic> json, NotificationType type) {
-    return ChosenPlanFinishedToClientNotification(type: type, planName: json['plan_name']);
+  factory ChosenPlanFinishedToClientNotification.fromJson(Map<String, dynamic> json, NotificationType type, {bool? isRead}) {
+    return ChosenPlanFinishedToClientNotification(
+      type: type,
+      planName: json['plan_name'],
+      isRead: isRead ?? false,
+    );
   }
 }
 
 class PlanSubscriptionCanceledToCustomerNotification implements BaseNotificationModel {
   @override
   final NotificationType type;
+  @override
+  final bool isRead;
   final String planName;
   PlanSubscriptionCanceledToCustomerNotification({
     required this.type,
     required this.planName,
+    required this.isRead,
   });
 
-  factory PlanSubscriptionCanceledToCustomerNotification.fromJson(Map<String, dynamic> json, NotificationType type) {
+  factory PlanSubscriptionCanceledToCustomerNotification.fromJson(Map<String, dynamic> json, NotificationType type, {bool? isRead}) {
     return PlanSubscriptionCanceledToCustomerNotification(
       type: type,
       planName: json['plan_name'],
+      isRead: isRead ?? false,
     );
   }
 }
@@ -161,17 +197,21 @@ class PlanSubscriptionCanceledToCustomerNotification implements BaseNotification
 class ChosenPlanStartedToConsultantNotification implements BaseNotificationModel {
   @override
   final NotificationType type;
+  @override
+  final bool isRead;
   final String planName;
   final String customerName;
   ChosenPlanStartedToConsultantNotification({
     required this.type,
+    required this.isRead,
     required this.planName,
     required this.customerName,
   });
 
-  factory ChosenPlanStartedToConsultantNotification.fromJson(Map<String, dynamic> json, NotificationType type) {
+  factory ChosenPlanStartedToConsultantNotification.fromJson(Map<String, dynamic> json, NotificationType type, {bool? isRead}) {
     return ChosenPlanStartedToConsultantNotification(
       type: type,
+      isRead: isRead ?? false,
       planName: json['plan_name'],
       customerName: json['client_name'],
     );
@@ -181,19 +221,23 @@ class ChosenPlanStartedToConsultantNotification implements BaseNotificationModel
 class ChosenPlanTomorrowReminderToConsultantNotification implements BaseNotificationModel {
   @override
   final NotificationType type;
+  @override
+  final bool isRead;
   final String planName;
   final String customerName;
   ChosenPlanTomorrowReminderToConsultantNotification({
     required this.type,
     required this.planName,
     required this.customerName,
+    required this.isRead,
   });
 
-  factory ChosenPlanTomorrowReminderToConsultantNotification.fromJson(Map<String, dynamic> json, NotificationType type) {
+  factory ChosenPlanTomorrowReminderToConsultantNotification.fromJson(Map<String, dynamic> json, NotificationType type, {bool? isRead}) {
     return ChosenPlanTomorrowReminderToConsultantNotification(
       type: type,
       planName: json['plan_name'],
       customerName: json['client_name'],
+      isRead: isRead ?? false,
     );
   }
 }
@@ -201,17 +245,21 @@ class ChosenPlanTomorrowReminderToConsultantNotification implements BaseNotifica
 class PlanSubscriptionPaidToAuthorNotification implements BaseNotificationModel {
   @override
   final NotificationType type;
+  @override
+  final bool isRead;
   final String planName;
   final String customerName;
   PlanSubscriptionPaidToAuthorNotification({
     required this.type,
+    required this.isRead,
     required this.planName,
     required this.customerName,
   });
 
-  factory PlanSubscriptionPaidToAuthorNotification.fromJson(Map<String, dynamic> json, NotificationType type) {
+  factory PlanSubscriptionPaidToAuthorNotification.fromJson(Map<String, dynamic> json, NotificationType type, {bool? isRead}) {
     return PlanSubscriptionPaidToAuthorNotification(
       type: type,
+      isRead: isRead ?? false,
       planName: json['plan_name'],
       customerName: json['user_name'],
     );
@@ -221,6 +269,8 @@ class PlanSubscriptionPaidToAuthorNotification implements BaseNotificationModel
 class ChosenPlanFinishedToConsultantNotification implements BaseNotificationModel {
   @override
   final NotificationType type;
+  @override
+  final bool isRead;
   final String planName;
   final String customerName;
   final int planId;
@@ -229,14 +279,16 @@ class ChosenPlanFinishedToConsultantNotification implements BaseNotificationMode
     required this.planName,
     required this.customerName,
     required this.planId,
+    required this.isRead,
   });
 
-  factory ChosenPlanFinishedToConsultantNotification.fromJson(Map<String, dynamic> json, NotificationType type) {
+  factory ChosenPlanFinishedToConsultantNotification.fromJson(Map<String, dynamic> json, NotificationType type, {bool? isRead}) {
     return ChosenPlanFinishedToConsultantNotification(
       type: type,
       planName: json['plan_name'],
       customerName: json['client_name'],
       planId: json['plan_id'],
+      isRead: isRead ?? false,
     );
   }
 }
@@ -244,8 +296,12 @@ class ChosenPlanFinishedToConsultantNotification implements BaseNotificationMode
 class UnknownNotification implements BaseNotificationModel {
   @override
   final NotificationType type;
+  @override
+  final bool isRead;
+
   UnknownNotification({
     required this.type,
+    this.isRead = true,
   });
 }