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|
<?php
/**
* ownCloud - News
*
* @author Alessandro Copyright
* @author Bernhard Posselt
* @copyright 2012 Alessandro Cosentino cosenal@gmail.com
* @copyright 2012 Bernhard Posselt nukeawhale@gmail.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\News\Db;
abstract class Entity {
public $id;
private $updatedFields;
public function __construct(){
$this->updatedFields = array();
}
/**
* Each time a setter is called, push the part after set
* into an array: for instance setId will save Id in the
* updated fields array so it can be easily used to create the
* getter method
*/
public function __call($methodName, $args){
// setters
if(strpos($methodName, 'set') === 0){
$attr = lcfirst( substr($methodName, 3) );
// setters should only work for existing attributes
if(property_exists($this, $attr)){
$this->markFieldUpdated($attr);
$this->$attr = $args[0];
} else {
throw new \BadFunctionCallException($attr .
' is not a valid attribute');
}
// getters
} elseif(strpos($methodName, 'get') === 0) {
$attr = lcfirst( substr($methodName, 3) );
// getters should only work for existing attributes
if(property_exists($this, $attr)){
return $this->$attr;
} else {
throw new \BadFunctionCallException($attr .
' is not a valid attribute');
}
} else {
throw new \BadFunctionCallException($methodName .
' does not exist');
}
}
/**
* Mark am attribute as updated
* @param string $attribute the name of the attribute
*/
protected function markFieldUpdated($attribute){
$this->updatedFields[$attribute] = true;
}
/**
* Transform a database columnname to a property
* @param string $columnName the name of the column
* @return string the property name
*/
public function columnToProperty($columnName){
$parts = explode('_', $columnName);
$property = null;
foreach($parts as $part){
if($property === null){
$property = $part;
} else {
$property .= ucfirst($part);
}
}
return $property;
}
/**
* Transform a property to a database column name
* @param string $property the name of the property
* @return string the column name
*/
public function propertyToColumn($property){
$parts = preg_split('/(?=[A-Z])/', $property);
$column = null;
foreach($parts as $part){
if($column === null){
$column = $part;
} else {
$column .= '_' . lcfirst($part);
}
}
return $column;
}
/**
* @return array array of updated fields for update query
*/
public function getUpdatedFields(){
return $this->updatedFields;
}
/**
* Maps the keys of the row array to the attributes
* @param array $row the row to map onto the entity
*/
public function fromRow(array $row){
foreach($row as $key => $value){
$prop = $this->columnToProperty($key);
$this->$prop = $value;
}
}
}
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