DocumentSide.fromJson constructor

DocumentSide.fromJson(Map<String, dynamic> json)

Implementation

factory DocumentSide.fromJson(Map<String, dynamic> json) {
  // Android encodes a flat object with a "type" discriminator:
  //   { "type": "front", "id": ..., "videoId": ... }
  final type = json['type'];
  if (type is String) {
    return DocumentSide(
      side: DocumentSideType.fromJson(type),
      id: json['id'] as String,
      videoId: json['videoId'] as String?,
    );
  }
  // iOS encodes the enum case as the wrapping key:
  //   { "front": { "id": ..., "videoId": ... } }
  for (final key in const ['front', 'back']) {
    final nested = json[key];
    if (nested is Map<String, dynamic>) {
      return DocumentSide(
        side: DocumentSideType.fromJson(key),
        id: nested['id'] as String,
        videoId: nested['videoId'] as String?,
      );
    }
  }
  throw FormatException('Unrecognized DocumentSide shape: $json');
}