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https://we.phorge.it/source/phorge.git
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60 lines
1.7 KiB
PHP
60 lines
1.7 KiB
PHP
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<?php
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/*
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* Copyright 2012 Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* A query class which uses offset/limit paging. Provides logic and accessors
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* for offsets and limits.
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*/
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abstract class PhabricatorOffsetPagedQuery extends PhabricatorQuery {
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private $offset;
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private $limit;
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final public function setOffset($offset) {
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$this->offset = $offset;
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return $this;
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}
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final public function setLimit($limit) {
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$this->limit = $limit;
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return $this;
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}
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final protected function buildLimitClause(AphrontDatabaseConnection $conn_r) {
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if ($this->limit && $this->offset) {
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return qsprintf($conn_r, 'LIMIT %d, %d', $this->offset, $this->limit);
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} else if ($this->limit) {
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return qsprintf($conn_r, 'LIMIT %d', $this->limit);
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} else if ($this->offset) {
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return qsprintf($conn_r, 'LIMIT %d, %d', $this->offset, PHP_INT_MAX);
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} else {
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return '';
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}
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}
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final public function executeWithPager(AphrontPagerView $pager) {
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$this->setLimit($pager->getPageSize() + 1);
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$this->setOffset($pager->getOffset());
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$results = $this->execute();
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return $pager->sliceResults($results);
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}
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}
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