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174 lines
3.6 KiB
174 lines
3.6 KiB
<?php
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/**
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* Класс модели данных
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*
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* @copyright NetMonsters <team@netmonsters.ru>
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* @link http://netmonsters.ru
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* @package Majestic
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* @subpackage Model
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* @since 2010-02-16
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*/
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namespace Majestic;
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abstract class Model
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{
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/**
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* DbDriver instance
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*
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* @var \DbDriver
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*/
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protected $db;
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/**
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* Cache instance
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*
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* @var \Cache
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*/
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protected $cache;
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/**
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* Custom expiration time for keys
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*
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* @var mixed
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*/
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protected $cache_keys = array();
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/**
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* Caches to clean.
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*
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* @var mixed
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*/
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protected $caches_clean = array();
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protected $table;
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protected $key = 'id';
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public function __construct($connection = 'default')
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{
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$this->db = \Majestic\Db::connect($connection);
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}
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/**
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* @return int
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*/
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public function getInsertId()
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{
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return $this->db->getInsertId($this->table(), $this->key);
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}
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/**
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* @param array $data
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* @return int Id of inserted row
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*/
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public function insert($data)
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{
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$affected = $this->db->insert($this->table(), $data);
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return ($this->getInsertId()) ? $this->getInsertId() : $affected;
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}
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/**
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* @param array $data
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* @param mixed $where
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* @return int Number of affected rows
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*/
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public function update($data, $where)
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{
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return $this->db->update($this->table(), $data, $where);
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}
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/**
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* @return string
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*/
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protected function table()
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{
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if (!$this->table) {
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$this->table = substr(strtolower(get_class($this)), 0, -5/*strlen('Model')*/);
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}
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return $this->table;
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}
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/* Cache workaround */
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/**
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* @return \Cache
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*/
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public function getCache()
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{
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if (!$this->cache) {
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$this->cache = \Cacher::get(Config::get(__CLASS__, 'MemcacheCache'));
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}
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return $this->cache;
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}
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/**
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* @param string $name
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* @param array $params
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* @return \CacheKey
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*/
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protected function cacheKey($name, $params = array())
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{
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$expire = (isset($this->cache_keys[$name])) ? ($this->cache_keys[$name] * 60) : 0;
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return new \CacheKey($this->getCache(), $name, $params, $expire);
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}
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/**
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* @param \CacheKey $cache
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*/
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protected function addCleanCache($cache)
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{
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$this->caches_clean[] = $cache;
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}
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protected function cleanCaches()
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{
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// cleaning caches
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foreach ($this->caches_clean as $cache) {
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$cache->del();
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}
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$this->caches_clean = array();
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}
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/**
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* Abstract methods
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*/
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/**
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* @param int $id
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* @return object
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*/
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abstract public function get($id);
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/**
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* @param int $id Int id
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* @return int Number of affected rows
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*/
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abstract public function delete($id);
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/**
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* @param string $data Request
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* @param array $params Request parameters
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* @param string $field Requested field name
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* @param \CacheKey $cache_key Key for caching in
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*/
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abstract protected function fetchField($data, $params = array(), $field, $cache_key = null);
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/**
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* @param string $data Request
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* @param array $params Request parameters
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* @param \CacheKey $cache_key Key for caching in
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*/
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abstract protected function fetch($data, $params = array(), $cache_key = null);
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/**
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* @param string $data
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* @param array $params
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* @param \CacheKey $cache_key
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*/
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abstract protected function fetchAll($data, $params = array(), $cache_key = null);
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}
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