TF-933 Simplify advanced search request

model/lib/extensions/email_filter_condition_extension.dart

@@ -0,0 +1,28 @@
+
+import 'package:jmap_dart_client/jmap/mail/email/email_filter_condition.dart';
+
+extension EmailFilterConditionExtension on EmailFilterCondition {
+
+  bool get hasCondition {
+    return inMailbox != null ||
+        inMailboxOtherThan?.isNotEmpty == true ||
+        before != null ||
+        after != null ||
+        minSize != null ||
+        maxSize != null ||
+        allInThreadHaveKeyword?.isNotEmpty == true ||
+        someInThreadHaveKeyword?.isNotEmpty == true ||
+        noneInThreadHaveKeyword?.isNotEmpty == true ||
+        hasKeyword?.isNotEmpty == true ||
+        notKeyword?.isNotEmpty == true ||
+        hasAttachment != null ||
+        text?.isNotEmpty == true ||
+        from?.isNotEmpty == true ||
+        to?.isNotEmpty == true ||
+        cc?.isNotEmpty == true ||
+        bcc?.isNotEmpty == true ||
+        subject?.isNotEmpty == true ||
+        body?.isNotEmpty == true ||
+        header?.isNotEmpty == true;
+  }
+}

model/lib/model.dart

@@ -51,6 +51,7 @@ export 'extensions/properties_extension.dart';
 export 'extensions/session_extension.dart';
 export 'extensions/user_profile_extension.dart';
 export 'extensions/utc_date_extension.dart';
+export 'extensions/email_filter_condition_extension.dart';
 // Identity
 export 'identity/identity_request_dto.dart';
 export 'mailbox/expand_mode.dart';