93 lines
2.1 KiB
PHP
93 lines
2.1 KiB
PHP
<?php
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class Model
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{
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private $_primaryKey_;
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protected $_tableName_;
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private $_id_;
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private $_vals_ = array();
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function __construct()
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{
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$this->_primaryKey_ = $this->getPk();
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}
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function __set($name, $value)
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{
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$this->_vals_[$name] = $value;
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}
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function __get($name)
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{
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return isset($this->_vals_[$name]) ? $this->_vals_[$name] : null;
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}
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private function getPk()
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{
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$res = App::$DB->query("SHOW KEYS FROM " . $this->_tableName_ . " WHERE Key_name = 'PRIMARY'")->fetch(PDO::FETCH_ASSOC);
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return $res["Column_name"];
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}
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function getByPK($id)
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{
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$this->_vals_ = App::$DB->query('SELECT * FROM ' . $this->_tableName_ . ' WHERE ' . $this->_primaryKey_ . ' = ' . $id)->fetch(PDO::FETCH_ASSOC);
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$this->_id_ = $this->_vals_[$this->_primaryKey_];
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return $this;
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}
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function getAll()
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{
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$res = App::$DB->query('SELECT * FROM ' . $this->_tableName_);
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$this->_id_ = NULL; // Это больше не конкретная запись
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$ready = array();
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while ($row = $res->fetch(PDO::FETCH_ASSOC))
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{
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$ready[$row[$this->_primaryKey_]] = $row;
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}
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return $ready;
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}
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function delete($id)
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{
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return App::$DB->query('DELETE FROM ' . $this->_tableName_ . ' WHERE ' . $this->_primaryKey_ . ' = ' . $id);
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}
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function add($values)
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{
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$request = App::$DB->prepare('INSERT INTO ' . $this->_tableName_ . ' (' . implode(',', array_keys($values)) . ') values (:' . implode(', :', array_keys($values)) . ')');
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if ( $request->execute((array) $values) )
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{
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return $this->getByPK(App::$DB->lastInsertId());
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}
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else
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{
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return false;
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}
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}
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function save()
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{
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if (!$this->_id_ || !$this->_vals_)
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return FALSE;
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$values = $this->_vals_;
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unset($values[$this->_primaryKey_]);
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$request = App::$DB->prepare('UPDATE ' . $this->_tableName_ . ' SET ' . implode('=?, ', array_keys($values)) . '=? WHERE '.$this->_primaryKey_.'='.$this->_id_);
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$res = $request->execute(array_values($values));
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return $res ? $this : FALSE;
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}
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function getValues()
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{
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return $this->_vals_;
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}
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}
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