TF-1842: Create extension for SendEmailRequest from SendingEmail

(cherry picked from commit e710c205b730d8120ebd8f9b4123cd8b52f1c530)

lib/features/composer/domain/extensions/sending_email_extension.dart

@@ -3,6 +3,7 @@ import 'package:model/extensions/email_extension.dart';
 import 'package:model/extensions/email_id_extensions.dart';
 import 'package:model/extensions/identity_id_extension.dart';
 import 'package:model/extensions/mailbox_id_extension.dart';
+import 'package:tmail_ui_user/features/composer/domain/model/email_request.dart';
 import 'package:tmail_ui_user/features/composer/domain/model/sending_email.dart';
 import 'package:tmail_ui_user/features/offline_mode/model/sending_email_hive_cache.dart';
 
@@ -21,4 +22,15 @@ extension SendingEmailExtension on SendingEmail {
       creationIdRequest?.value
     );
   }
+
+  EmailRequest toEmailRequest() {
+    return EmailRequest(
+      email: email,
+      emailActionType: emailActionType,
+      sentMailboxId: sentMailboxId,
+      emailIdDestroyed: emailIdDestroyed,
+      emailIdAnsweredOrForwarded: emailIdAnsweredOrForwarded,
+      identityId: identityId
+    );
+  }
 }

lib/features/composer/domain/model/sending_email.dart

@@ -1,5 +1,4 @@
-
-import 'package:core/domain/extensions/datetime_extension.dart';
+import 'dart:convert';
 import 'package:equatable/equatable.dart';
 import 'package:flutter_date_range_picker/flutter_date_range_picker.dart';
 import 'package:jmap_dart_client/http/converter/email_id_nullable_converter.dart';
@@ -68,6 +67,28 @@ class SendingEmail with EquatableMixin {
     return DateFormat(createTime.toPattern(), newLocale).format(createTime);
   }
 
+  factory SendingEmail.fromJson(Map<String, dynamic> json) {
+
+    return SendingEmail(
+      sendingId: json['sendingId'] as String,
+      email: Email.fromJson(jsonDecode(json['email'])),
+      emailActionType: _getEmailActionType(json['emailActionType'] as String),
+      sentMailboxId: json['sentMailboxId'] != null ? const MailboxIdNullableConverter().fromJson(json['sentMailboxId'] as String?) : null,
+      emailIdDestroyed: json['emailIdDestroyed'] != null ? const EmailIdNullableConverter().fromJson(json['emailIdDestroyed'] as String?) : null,
+      emailIdAnsweredOrForwarded: json['emailIdAnsweredOrForwarded'] != null ? const EmailIdNullableConverter().fromJson(json['emailIdAnsweredOrForwarded'] as String?) : null,
+      identityId: json['identityId'] != null ? const IdentityIdNullableConverter().fromJson(json['identityId'] as String?) : null,
+      mailboxNameRequest: json['mailboxNameRequest'] != null ? MailboxName(json['mailboxNameRequest'] as String) : null,
+      creationIdRequest: json['creationIdRequest'] != null ? const IdNullableConverter().fromJson(json['creationIdRequest'] as String) : null,
+    );
+  }
+
+  static EmailActionType _getEmailActionType(String value) {
+    return EmailActionType.values.firstWhere(
+          (type) => type.toString().split('.').last == value,
+      orElse: () => throw ArgumentError('Invalid email action type: $value'),
+    );
+  }
+
   @override
   List<Object?> get props => [
     sendingId,