Add object for model and core module

model/lib/email/email_content.dart

@@ -0,0 +1,30 @@
+
+import 'package:equatable/equatable.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email_body_part.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email_body_value.dart';
+
+class EmailContent with EquatableMixin {
+
+  final EmailId id;
+  final Set<EmailBodyPart>? htmlBody;
+  final Set<EmailBodyPart>? attachments;
+  final Map<PartId, EmailBodyValue>? bodyValues;
+
+  EmailContent(
+    this.id,
+    {
+      this.htmlBody,
+      this.attachments,
+      this.bodyValues
+    }
+  );
+
+  @override
+  List<Object?> get props => [
+    id,
+    htmlBody,
+    attachments,
+    bodyValues
+  ];
+}

model/lib/email/presentation_email.dart

@@ -1,7 +1,5 @@
 
 import 'package:equatable/equatable.dart';
-import 'package:intl/intl.dart';
-import 'package:jmap_dart_client/jmap/core/id.dart';
 import 'package:jmap_dart_client/jmap/core/unsigned_int.dart';
 import 'package:jmap_dart_client/jmap/core/utc_date.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email.dart';
@@ -12,8 +10,6 @@ import 'package:model/extensions/email_address_extension.dart';
 
 class PresentationEmail with EquatableMixin {
 
-  static PresentationEmail presentationEmailEmpty = PresentationEmail(EmailId(Id('empty')));
-
   final EmailId id;
   final Map<KeyWordIdentifier, bool>? keywords;
   final UnsignedInt? size;
@@ -55,17 +51,20 @@ class PresentationEmail with EquatableMixin {
     return '';
   }
 
+  String getAvatarText() {
+    if (getSenderName().isNotEmpty) {
+      return getSenderName().substring(0, 1).toUpperCase();
+    }
+    return '';
+  }
+
   String getEmailTitle() => subject != null ? subject! : '';
 
   String getPartialContent() => preview != null ? preview! : '';
 
-  String getTimeForToday() => receivedAt != null ? DateFormat('h:mm a').format(receivedAt!.value) : '';
+  bool isUnReadEmail() => !(keywords?.containsKey(KeyWordIdentifier.emailSeen) == true);
 
-  String getTimeForYesterday() => receivedAt != null ? DateFormat('EEE').format(receivedAt!.value) : '';
-
-  String getTimeThisYear() => receivedAt != null ? DateFormat('MMMd').format(receivedAt!.value) : '';
-
-  String getTimeOtherYear() => receivedAt != null ? DateFormat('yMMMd').format(receivedAt!.value) : '';
+  bool isFlaggedEmail() => keywords?.containsKey(KeyWordIdentifier.emailFlagged) == true;
 
   @override
   List<Object?> get props => [