TF-4392 [Team Mailbox] Move email to trash on delete in Email List View

lib/features/mailbox/presentation/mixin/handle_team_mailbox_mixin.dart

@@ -0,0 +1,55 @@
+import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
+import 'package:jmap_dart_client/jmap/mail/mailbox/namespace.dart';
+import 'package:model/mailbox/presentation_mailbox.dart';
+import 'package:tmail_ui_user/features/mailbox/presentation/mailbox_controller.dart';
+import 'package:tmail_ui_user/features/mailbox/presentation/model/mailbox_node.dart';
+import 'package:tmail_ui_user/features/mailbox/presentation/model/mailbox_tree.dart';
+import 'package:tmail_ui_user/main/routes/route_navigation.dart';
+
+mixin HandleTeamMailboxMixin {
+  MailboxTree? get _teamMailboxesTree =>
+      getBinding<MailboxController>()?.teamMailboxesTree.value;
+
+  MailboxNode? _findTeamMailboxNodeByNamespaceOnFirstLevel(
+    Namespace namespace,
+  ) {
+    return _teamMailboxesTree?.findNodeOnFirstLevel(
+      (node) => node.item.namespace == namespace,
+    );
+  }
+
+  PresentationMailbox? _findDefaultMailboxInTeamMailbox({
+    required Namespace namespace,
+    required String mailboxName,
+  }) {
+    final teamMailboxNode =
+        _findTeamMailboxNodeByNamespaceOnFirstLevel(namespace);
+    if (teamMailboxNode == null) return null;
+
+    final mailboxNode = teamMailboxNode.findNodeOnFirstLevel(
+      (node) =>
+          node.mailboxNameAsString.toLowerCase() == mailboxName.toLowerCase(),
+    );
+    if (mailboxNode == null) return null;
+
+    return mailboxNode.item;
+  }
+
+  MailboxId? findDefaultMailboxIdInTeamMailbox({
+    required Namespace namespace,
+    required String mailboxName,
+  }) {
+    final teamMailbox = _findDefaultMailboxInTeamMailbox(
+      namespace: namespace,
+      mailboxName: mailboxName,
+    );
+    return teamMailbox?.id;
+  }
+
+  String? getTeamMailboxNodePathWithSeparator({
+    required MailboxId mailboxId,
+    String pathSeparator = '/',
+  }) {
+    return _teamMailboxesTree?.getNodePath(mailboxId, pathSeparator);
+  }
+}

lib/features/mailbox/presentation/model/mailbox_node.dart

@@ -1,3 +1,4 @@
+import 'package:collection/collection.dart';
 import 'package:equatable/equatable.dart';
 import 'package:jmap_dart_client/jmap/core/id.dart';
 import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
@@ -6,6 +7,7 @@ import 'package:model/mailbox/expand_mode.dart';
 import 'package:model/mailbox/mailbox_state.dart';
 import 'package:model/mailbox/presentation_mailbox.dart';
 import 'package:model/mailbox/select_mode.dart';
+import 'package:tmail_ui_user/features/mailbox/presentation/model/mailbox_tree.dart';
 
 class MailboxNode with EquatableMixin {
   static final PresentationMailbox _root = PresentationMailbox(MailboxId(Id('root')));
@@ -172,4 +174,7 @@ extension MailboxNodeExtension on MailboxNode {
 
     return item.sortOrder!.value.value.compareTo(other.item.sortOrder!.value.value);
   }
+
+  MailboxNode? findNodeOnFirstLevel(NodeQuery nodeQuery) =>
+      childrenItems?.firstWhereOrNull(nodeQuery);
 }