TF-80 Move email to Mailbox in Email Detailed view

model/lib/email/move_action.dart

@@ -0,0 +1,5 @@
+
+enum MoveAction {
+  moveTo,
+  undo
+}

model/lib/extensions/mailbox_id_extension.dart

@@ -0,0 +1,15 @@
+import 'package:jmap_dart_client/jmap/core/patch_object.dart';
+import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
+
+extension MailboxIdExtension on MailboxId {
+  String generatePath() {
+    return '${PatchObject.mailboxIdsProperty}/${id.value}';
+  }
+
+  PatchObject generateMoveToMailboxActionPath(MailboxId destinationMailboxId) {
+    return PatchObject({
+      generatePath():  null,
+      destinationMailboxId.generatePath(): true
+    });
+  }
+}

model/lib/model.dart

@@ -24,6 +24,7 @@ export 'email/presentation_email_address.dart';
 export 'email/email_address_cache.dart';
 export 'email/read_actions.dart';
 export 'email/attachment.dart';
+export 'email/move_action.dart';
 
 // Extensions
 export 'extensions/email_address_extension.dart';
@@ -37,6 +38,7 @@ export 'extensions/keyword_identifier_extension.dart';
 export 'extensions/presentation_mailbox_extension.dart';
 export 'extensions/email_body_part_extension.dart';
 export 'extensions/attachment_extension.dart';
+export 'extensions/mailbox_id_extension.dart';
 
 // Download
 export 'download/download_task_id.dart';