163 lines
3.7 KiB
PHP
Executable File
163 lines
3.7 KiB
PHP
Executable File
<?php
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// {{{ICINGA_LICENSE_HEADER}}}
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/**
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* Icinga 2 Web - Head for multiple monitoring frontends
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* Copyright (C) 2013 Icinga Development Team
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* @copyright 2013 Icinga Development Team <info@icinga.org>
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* @author Icinga Development Team <info@icinga.org>
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*/
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// {{{ICINGA_LICENSE_HEADER}}}
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namespace Icinga\Backend;
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use Icinga\Web\Paginator\Adapter\QueryAdapter;
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/**
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* Class Query
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* @package Icinga\Backend
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*/
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abstract class Query
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{
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/**
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* @var AbstractBackend
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*/
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protected $backend;
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/**
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* @var array
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*/
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protected $columns = array();
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/**
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* @var array
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*/
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protected $available_columns = array();
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/**
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* @param null $count
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* @param null $offset
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* @return mixed
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*/
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abstract public function limit($count = null, $offset = null);
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/**
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* @param $column
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* @param null $value
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* @return mixed
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*/
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abstract public function where($column, $value = null);
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/**
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* @param string $column
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* @param null $dir
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* @return mixed
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*/
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abstract public function order($column = '', $dir = null);
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/**
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* @return mixed
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*/
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abstract public function fetchAll();
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/**
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* @return mixed
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*/
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abstract public function fetchRow();
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/**
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* @return mixed
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*/
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abstract public function fetchPairs();
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/**
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* @return mixed
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*/
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abstract public function fetchOne();
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/**
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* @return mixed
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*/
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abstract public function count();
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/**
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* @param AbstractBackend $backend
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* @param array $columns
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* @return \Icinga\Backend\Query
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*/
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public function __construct(AbstractBackend $backend, $columns = array())
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{
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$this->backend = $backend;
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if (empty($columns) || $columns === '*') {
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$this->columns = $this->available_columns;
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} else {
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$this->columns = $columns;
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}
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$this->init();
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}
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/**
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* @param array $filters
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* @return $this
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*/
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public function applyFilters($filters = array())
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{
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foreach ($filters as $key => $val) {
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$this->where($key, $val);
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}
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return $this;
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}
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/**
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* @return mixed
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*/
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abstract protected function init();
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/*
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*
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*/
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protected function finalize()
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{
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}
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/**
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* Return a pagination adapter for the current query
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*
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* @param null $limit
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* @param null $page
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* @return \Zend_Paginator
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*/
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public function paginate($limit = null, $page = null)
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{
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$this->finalize();
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$request = \Zend_Controller_Front::getInstance()->getRequest();
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if ($page === null) {
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$page = $request->getParam('page', 0);
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}
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if ($limit === null) {
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$limit = $request->getParam('limit', 20);
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}
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$paginator = new \Zend_Paginator(
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new QueryAdapter($this)
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);
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$paginator->setItemCountPerPage($limit);
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$paginator->setCurrentPageNumber($page);
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return $paginator;
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}
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}
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