eryao/apps/lib/features/points/data/models/ledger_item.dart

class LedgerItem {
  const LedgerItem({
    required this.id,
    required this.direction,
    required this.amount,
    required this.balanceAfter,
    required this.changeType,
    required this.createdAt,
  });

  final String id;
  final int direction;
  final int amount;
  final int balanceAfter;
  final String changeType;
  final String createdAt;

  factory LedgerItem.fromJson(Map<String, dynamic> json) {
    return LedgerItem(
      id: json['id'] as String,
      direction: json['direction'] as int,
      amount: json['amount'] as int,
      balanceAfter: json['balanceAfter'] as int,
      changeType: json['changeType'] as String,
      createdAt: json['createdAt'] as String,
    );
  }
}

class LedgerListResult {
  const LedgerListResult({
    required this.items,
    this.nextCursor,
    required this.hasMore,
  });

  final List<LedgerItem> items;
  final String? nextCursor;
  final bool hasMore;

  factory LedgerListResult.fromJson(Map<String, dynamic> json) {
    return LedgerListResult(
      items: (json['items'] as List<dynamic>)
          .map((e) => LedgerItem.fromJson(e as Map<String, dynamic>))
          .toList(),
      nextCursor: json['nextCursor'] as String?,
      hasMore: json['hasMore'] as bool,
    );
  }
}