TF-939 Depend on accountCapabilities to delete multiple mailboxes

lib/main/error/capability_validator.dart

@@ -1,11 +1,17 @@
+import 'package:jmap_dart_client/jmap/account_id.dart';
 import 'package:jmap_dart_client/jmap/core/capability/capability_identifier.dart';
 import 'package:jmap_dart_client/jmap/core/session/session.dart';
 import 'package:tmail_ui_user/main/error/request_error.dart';
 
-void requireCapability(Session session, List<CapabilityIdentifier> requiredCapabilities) {
-  final matchedCapabilities = session.capabilities.keys
+void requireCapability(Session session, AccountId accountId, List<CapabilityIdentifier> requiredCapabilities) {
+  final account = session.accounts[accountId];
+  if (account == null) {
+    throw const InvalidCapability();
+  }
+
+  final matchedCapabilities = account.accountCapabilities.keys
       .fold<Set<CapabilityIdentifier>>(
-        Set<CapabilityIdentifier>(),
+        <CapabilityIdentifier>{},
         (previousValue, element) {
           if (requiredCapabilities.contains(element)) {
             previousValue.add(element);
@@ -14,7 +20,7 @@ void requireCapability(Session session, List<CapabilityIdentifier> requiredCapab
         }
       );
   final missingCapabilities = requiredCapabilities.toSet().difference(matchedCapabilities);
-  if (missingCapabilities.length > 0) {
+  if (missingCapabilities.isNotEmpty) {
     throw SessionMissingCapability(missingCapabilities);
   }
 }

lib/main/error/request_error.dart

@@ -1,11 +1,18 @@
 import 'package:equatable/equatable.dart';
 import 'package:jmap_dart_client/jmap/core/capability/capability_identifier.dart';
 
-class SessionMissingCapability extends Equatable implements Exception {
+class SessionMissingCapability extends InvalidCapability {
   final Set<CapabilityIdentifier> capabilityIdentifiers;
 
-  SessionMissingCapability(this.capabilityIdentifiers);
+  const SessionMissingCapability(this.capabilityIdentifiers) : super();
 
   @override
   List<Object?> get props => [capabilityIdentifiers];
+}
+
+class InvalidCapability extends Equatable implements Exception {
+  const InvalidCapability();
+
+  @override
+  List<Object?> get props => [];
 }