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135 lines
2.8 KiB
135 lines
2.8 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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* @version SVN: $Id$
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* @filesource $URL$
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*/
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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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protected $cache;
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protected $table;
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protected $connection = 'default';
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protected $key = 'id';
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public function __construct()
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{
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$this->db = Db::connect($this->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 string $ident
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* @return string Quoted identifier.
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*/
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public function identify($ident)
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{
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return $this->db->quoteIdentifier($ident);
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}
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/**
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* @param mixed $value
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* @return string Quoted value.
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*/
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public function quote($value)
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{
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return $this->db->quote($value);
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}
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/**
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* @param int $id
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* @return object
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*/
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public function get($id)
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{
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$sql = 'SELECT * FROM ' . $this->identify($this->table())
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. ' WHERE ' . $this->identify($this->key) . '=' . (int) $id;
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return $this->db->query($sql)->fetch();
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}
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/**
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* @param array $data
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* @return int Affect row or id of inserted field.
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*/
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public function save($data)
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{
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$key = isset($data[$this->key]) ? $data[$this->key] : false;
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$result = false;
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if ($key) {
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unset($data[$this->key]);
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$result = $this->update($data, $this->identify($this->key) . '=' . (int) $id);
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} else {
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$result = $this->insert($data);
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}
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return $result;
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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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if (! $this->db->insert($this->table(), $data)) {
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return false;
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}
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return $this->getInsertId();
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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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* @param mixed $where
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* @return int Number of affected rows
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*/
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public function delete($where)
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{
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if (is_int($where)) {
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$where = $this->identify($this->key) . '=' . (int) $where;
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}
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return $this->db->delete($this->table(), $where);
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}
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/**
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* @return string
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*/
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public function table()
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{
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if (! $this->table) {
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$this->table = rtrim(strtolower(get_class($this)), 'model');
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}
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return $this->table;
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}
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}
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