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Diffstat (limited to 'db/entity.php')
| -rw-r--r-- | db/entity.php | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/db/entity.php b/db/entity.php new file mode 100644 index 000000000..4f64fc44b --- /dev/null +++ b/db/entity.php @@ -0,0 +1,150 @@ +<?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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