TF-942 Auto generate missing Outbox mailbox before send email

model/lib/extensions/email_extension.dart

@@ -4,6 +4,7 @@ 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';
 import 'package:jmap_dart_client/jmap/mail/email/keyword_identifier.dart';
+import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
 import 'package:model/model.dart';
 
 extension EmailExtension on Email {
@@ -23,7 +24,7 @@ extension EmailExtension on Email {
     return listEmailAddress;
   }
 
-  Email updatedEmail({Map<KeyWordIdentifier, bool>? newKeywords}) {
+  Email updatedEmail({Map<KeyWordIdentifier, bool>? newKeywords, Map<MailboxId, bool>? newMailboxIds}) {
     return Email(
         id,
         keywords: newKeywords ?? keywords,
@@ -37,7 +38,12 @@ extension EmailExtension on Email {
         to: to,
         cc: cc,
         bcc: bcc,
-        replyTo: replyTo
+        replyTo: replyTo,
+        mailboxIds: newMailboxIds ?? mailboxIds,
+        htmlBody: htmlBody,
+        bodyValues: bodyValues,
+        headerUserAgent: headerUserAgent,
+        attachments: attachments
     );
   }
 

model/lib/extensions/mailbox_id_extension.dart

@@ -1,9 +1,14 @@
 import 'package:jmap_dart_client/jmap/core/patch_object.dart';
+import 'package:jmap_dart_client/jmap/core/reference_id.dart';
 import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
 
 extension MailboxIdExtension on MailboxId {
   String generatePath() {
-    return '${PatchObject.mailboxIdsProperty}/${id.value}';
+    if (id is ReferenceId) {
+      return '${PatchObject.mailboxIdsProperty}/${id.toString()}';
+    } else {
+      return '${PatchObject.mailboxIdsProperty}/${id.value}';
+    }
   }
 
   PatchObject generateMoveToMailboxActionPath(MailboxId destinationMailboxId) {

model/lib/extensions/mailbox_name_extension.dart

@@ -7,4 +7,8 @@ extension MailboxNameExtension on MailboxName {
     }
     return name.toLowerCase().compareTo(other.name.toLowerCase());
   }
+
+  MailboxName toLowerCase() {
+    return MailboxName(name.toLowerCase());
+  }
 }

model/lib/mailbox/presentation_mailbox.dart

@@ -16,6 +16,9 @@ class PresentationMailbox with EquatableMixin {
   static final roleDrafts = Role('drafts');
   static final roleSpam = Role('spam');
 
+  static final outboxMailboxName = MailboxName('Outbox');
+  static final lowerCaseOutboxMailboxName = MailboxName('outbox');
+
   final MailboxId id;
   final MailboxName? name;
   final MailboxId? parentId;
@@ -70,7 +73,7 @@ class PresentationMailbox with EquatableMixin {
 
   bool get isSent => role == roleSent;
 
-  bool get isOutbox => name?.name == 'Outbox';
+  bool get isOutbox => name == lowerCaseOutboxMailboxName || role == roleOutbox;
 
   bool matchCountingRules() {
     if (isSpam || isTrash || isDrafts || isTemplates || isSent) {