matrix-specification/Data/Filters/EventFilter.php


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<?php

namespace Matrix\Data\Filters;

class EventFilter implements \JsonSerializable
{
  /**
   * @param string[] $notSenders
   * @param string[] $notTypes
   * @param string[] $senders
   * @param string[] $types
   */
  public function __construct(
    private ?int $limit = null,
    private ?array $notSenders = null,
    private ?array $notTypes = null,
    private ?array $senders = null,
    private ?array $types = null,
  )
  {
    if (! is_null($limit) && $limit <= 0) {
      throw new \InvalidArgumentException("limit must be an integer greater than 0");
    }
  }

  public function jsonSerialize(): array
  {
    return array_filter([
      "limit" => $this->limit,
      "not_senders" => $this->notSenders,
      "not_types" => $this->notTypes,
      "senders" => $this->senders,
      "types" => $this->types,
    ], fn ($value) => ! is_null($value));
  }
}