Models

model.php

<?php

use Atom\Arr;

class Model {

	protected static $_locked = true; // Is the database table locked from changes?

	protected $_data = array();

	protected static $_meta = array();

	public function __construct()
	{
		// Parse out $_meta... Cache too.
		$this->_table = Arr::get(static::$_meta, '_table.0');

		foreach(static::$_meta as $column => $attrs)
		{
			if(substr($column, 1) == '_') continue; // Skip _columns

			$type = Arr::get($attrs, '0');
			list($type, $constraint) = explode('(', rtrim($type, ')');

			// Perform data pull
			$attrs = explode(', ', $attrs);

			foreach($attrs as $offset => $attr)
			{
				list($key, $value) = explode('=', $attr);
				$attrs[$key] = ($value === null) ? $value : true;
				unset($attrs[$offset]);
			}
		}
	}

	public function __get($property)
	{
		if(!isset(static::$_meta[$property]))
		{
			throw new \InvalidArgumentException('Unknown model property ['.$property.']');
		}
		return $this->_data[$property];
	}

	public function __set($property, $value)
	{
		if(!isset(static::$_meta[$property]))
		{
			throw new \InvalidArgumentException('Unknown model property ['.$property.']');
		}
		$this->_data[$property] = $value;
	}
}

class Comment extends \Atom\Model {

	protected static $_meta = array(

		'_table'   => array('comments', 'ENGINE=InnoDB, CHARSET=utf-8'),

		'id'        => array('INTEGER(11)', 'REQUIRED, AUTO_INCREMENT, PRIMARY, HAS_AND_BELONGS_TO_MANY=comments.id'),
		'post_id'   => array('INTEGER(11)', 'REQUIRED, BELONGS_TO=posts.id'),
		'author_id' => array('INTEGER(11)', 'REQUIRED, BELONGS_TO=authors.id, EAGER_LOADING'),
		'email'     => array('STRING(255)', 'REQUIRED, UNIQUE, MIN_LENGTH=6'),
		'body'      => array('STRING',      'DB_KEY=content, MIN_LENGTH=1'),
		'approved'  => array('BOOLEAN',     'DEFAULT=false'),
		'created'   => array('DATE(timestamp)'),
		'updated'   => array('DATE(timestamp)'),
	);
}