hasOne<T extends Model> method

Future<T?> hasOne<T extends Model>({
  1. DatabaseDisk disk = Model.defaultDisk,
})

Implementation

Future<T?> hasOne<T extends Model>({
  DatabaseDisk disk = Model.defaultDisk,
}) async {
  try {
    final tableName = _getInstanceTableName();
    final foreignTableSingular = tableName.substring(0, tableName.length - 1);
    final data = toMetaJson();

    switch (disk) {
      case DatabaseDisk.file:
      case DatabaseDisk.s3:
        final foreignUuidKey = "${foreignTableSingular}_uuid";
        return Model.firstWhere<T>(
          field: foreignUuidKey,
          value: data['uuid'],
          disk: disk,
        );

      case DatabaseDisk.sqlite:
      case DatabaseDisk.pgsql:
        final foreignIdKey = "${foreignTableSingular}_id";
        return Model.firstWhere<T>(
          field: foreignIdKey,
          value: data['id'],
          disk: disk,
        );
    }
  } catch (e) {
    return null;
  }
}