SEND063

frontend/pweb/lib/utils/report/operations/operations.dart

@@ -0,0 +1,23 @@
+import 'package:pshared/models/payment/operation.dart';
+
+
+List<OperationItem> sortOperations(List<OperationItem> operations) {
+  final sorted = List<OperationItem>.from(operations);
+  sorted.sort((a, b) {
+    final aTime = a.date.millisecondsSinceEpoch;
+    final bTime = b.date.millisecondsSinceEpoch;
+    final aUnknown = isUnknownDate(a.date);
+    final bUnknown = isUnknownDate(b.date);
+
+    if (aUnknown != bUnknown) {
+      return aUnknown ? 1 : -1;
+    }
+    if (aTime != bTime) {
+      return bTime.compareTo(aTime);
+    }
+    return a.payId.compareTo(b.payId);
+  });
+  return sorted;
+}
+
+bool isUnknownDate(DateTime date) => date.millisecondsSinceEpoch == 0;