<?php

/*
 * Copyright 2012 Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

final class PhabricatorPasteQuery extends PhabricatorCursorPagedPolicyQuery {

  private $pasteIDs;
  private $authorPHIDs;

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

  public function withAuthorPHIDs(array $phids) {
    $this->authorPHIDs = $phids;
    return $this;
  }

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

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

    $results = $table->loadAllFromArray($data);

    return $this->processResults($results);
  }

  protected function buildWhereClause($conn_r) {
    $where = array();

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

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

    if ($this->authorPHIDs) {
      $where[] = qsprintf(
        $conn_r,
        'authorPHID IN (%Ls)',
        $this->authorPHIDs);
    }

    return $this->formatWhereClause($where);
  }

}