<?php

final class DifferentialDiffQuery
  extends PhabricatorCursorPagedPolicyAwareQuery {

  private $ids;
  private $revisionIDs;

  public function withIDs(array $ids) {
    $this->ids = $ids;
    return $this;
  }

  public function withRevisionIDs(array $revision_ids) {
    $this->revisionIDs = $revision_ids;
    return $this;
  }

  public function loadPage() {
    $table = new DifferentialDiff();
    $conn_r = $table->establishConnection('r');

    $data = queryfx_all(
      $conn_r,
      'SELECT * FROM %T %Q %Q %Q',
      $table->getTableName(),
      $this->buildWhereClause($conn_r),
      $this->buildOrderClause($conn_r),
      $this->buildLimitClause($conn_r));

    return $table->loadAllFromArray($data);
  }

  private function buildWhereClause(AphrontDatabaseConnection $conn_r) {
    $where = array();

    if ($this->ids) {
      $where[] = qsprintf(
        $conn_r,
        'id IN (%Ld)',
        $this->ids);
    }

    if ($this->revisionIDs) {
      $where[] = qsprintf(
        $conn_r,
        'revisionID IN (%Ld)',
        $this->revisionIDs);
    }

    $where[] = $this->buildPagingClause($conn_r);
    return $this->formatWhereClause($where);
  }

}