TF-3023 Get SMime signature status in headers email

lib/features/email/presentation/extensions/presentation_email_extension.dart

@@ -0,0 +1,18 @@
+
+import 'package:model/email/presentation_email.dart';
+import 'package:model/extensions/list_email_header_extension.dart';
+import 'package:tmail_ui_user/features/email/presentation/model/smime_signature_status.dart';
+
+extension PresentationEmailExtension on PresentationEmail {
+
+  SMimeSignatureStatus get sMimeStatus {
+    final status = emailHeader?.toSet().sMimeStatus;
+    if (status == 'Good signature') {
+      return SMimeSignatureStatus.goodSignature;
+    } else  if (status == 'Bad signature') {
+      return SMimeSignatureStatus.badSignature;
+    } else {
+      return SMimeSignatureStatus.notSigned;
+    }
+  }
+}

lib/features/email/presentation/model/smime_signature_status.dart

@@ -0,0 +1,5 @@
+enum SMimeSignatureStatus {
+  goodSignature,
+  badSignature,
+  notSigned
+}

model/lib/email/email_property.dart

@@ -22,4 +22,6 @@ class EmailProperty {
   static const String headerMdnKey = 'Disposition-Notification-To';
   static const String messageId = 'messageId';
   static const String references = 'references';
+  static const String headerUnsubscribeKey = 'List-Unsubscribe';
+  static const String headerSMimeStatusKey = 'X-SMIME-Status';
 }

model/lib/extensions/email_extension.dart

@@ -1,9 +1,7 @@
 
 import 'dart:convert';
 
-import 'package:collection/collection.dart';
 import 'package:core/domain/extensions/datetime_extension.dart';
-import 'package:core/utils/app_logger.dart';
 import 'package:jmap_dart_client/jmap/core/properties/properties.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email_body_part.dart';
@@ -14,8 +12,6 @@ import 'package:model/model.dart';
 
 extension EmailExtension on Email {
 
-  static const String unsubscribeHeaderName = 'List-Unsubscribe';
-
   String asString() => jsonEncode(toJson());
 
   bool get hasRead => keywords?.containsKey(KeyWordIdentifier.emailSeen) == true;
@@ -30,11 +26,7 @@ extension EmailExtension on Email {
 
   bool get withAttachments => hasAttachment == true;
 
-  String get listUnsubscribe {
-    final listUnsubscribe = headers?.firstWhereOrNull((header) => header.name == unsubscribeHeaderName);
-    log('EmailExtension::listUnsubscribe: $listUnsubscribe');
-    return listUnsubscribe?.value ?? '';
-  }
+  String get listUnsubscribe => headers.listUnsubscribe;
 
   bool get hasListUnsubscribe => listUnsubscribe.isNotEmpty;
 

model/lib/extensions/list_email_header_extension.dart

@@ -1,4 +1,5 @@
 
+import 'package:collection/collection.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email_header.dart';
 import 'package:model/email/email_property.dart';
 
@@ -11,4 +12,14 @@ extension ListEmailHeaderExtension on Set<EmailHeader>? {
       return false;
     }
   }
+
+  String get listUnsubscribe {
+    final listUnsubscribe = this?.firstWhereOrNull((header) => header.name == EmailProperty.headerUnsubscribeKey);
+    return listUnsubscribe?.value ?? '';
+  }
+
+  String get sMimeStatus {
+    final sMimeStatus = this?.firstWhereOrNull((header) => header.name == EmailProperty.headerSMimeStatusKey);
+    return sMimeStatus?.value ?? '';
+  }
 }