memberdb/application/classes/Model/Child.php

<?php defined('SYSPATH') or die('No direct access allowed.');

/**
 * This class supports Children
 *
 * @package    Membership Database
 * @category   Models
 * @author     Deon George
 * @copyright  (c) 2014 Deon George
 * @license    http://dev.leenooks.net/license.html
 */
class Model_Child extends ORM {
	protected $_start = '42D';		// Minimum age to be accepted (42D = 6 Weeks)
	protected $_max = '4Y';			// Maximum age
	protected $_max_date = '04-30';		// Date Maximum age must be met, eg: 5Y on April 30
	protected $_max_return = '12-31';	// Date to leave the center when max date reached, eg: Jan 1

	protected $_has_many = array(
		'room'=>array('model'=>'Room_Children','foreign_key'=>'child_id','far_key'=>'id'),
	);

	public function filters() {
		return Arr::merge(parent::filters(),array(
			'dob'=>array(array(array($this,'date'), array(':value'))),
		));
	}

	protected $_display_filters = array(
		'date_orig'=>array(
			array('Site::Date',array(':value')),
		),
		'date_last'=>array(
			array('Site::Date',array(':value')),
		),
		'dob'=>array(
			array('Site::Date',array(':value')),
		),
	);

	protected $_sub_items_load = array(
		'room'=>array('date_start','date_stop'),
	);

	private function _dob() {
		$x = new DateTime();

		return $x->setTimestamp($this->dob);
	}

	public function age($asat=NULL,$format='%Yy%Mm') {
		if (is_null($asat))
			$asat = time();

		$dob = $this->_dob();

		$today = new DateTime();
		$today->setTimestamp($asat);

		return $format == '%w' ? sprintf('%02dw',$dob->diff($today)->days/7) : $dob->diff($today)->format($format);
	}

	public function date($value) {
		return is_numeric($value) ? $value : strtotime($value);
	}

	public function date_enrol_min() {
		$dob = $this->_dob();
		$dob->add(new DateInterval('P'.$this->_start));

		return $format ? $result->format(Kohana::$config->load('config')->date_format) : $result->format('U');
	}

	public function date_enrol_max($format=FALSE) {
		$dob = $this->_dob();
		$dob->add(new DateInterval('P'.$this->_max));

		$last = new DateTime(sprintf('%s-%s',$dob->format('Y'),$this->_max_date));
		$x = $dob->diff($last);

		$result = new DateTime(sprintf('%s-%s',$dob->format('Y')+($x->invert ? 1 : 0),$this->_max_return));

		return $format ? $result->format(Company::instance()->date_format()) : $result->format('U');
	}

	public function days($room_id,$date_start,$days,$code,$markup=FALSE) {
		$result = '';

		$date_end = $date_start+$days*86400;
		$open_dates = Company::instance()->so()->open_dates($date_start,$days);

		$o = $this->room->where('code','=',$code);
		$o->where_startstop($date_start,$date_end);
		if (! is_null($room_id))
			$o->where('room_id','=',$room_id);

		// Set all open dayes to 0
		foreach ($open_dates as $k=>$v)
			if ($v === TRUE)
				$open_dates[$k] = 0;

		foreach ($o->find_all() as $date => $rco) {
			foreach ($open_dates as $day=>$open) {
				if ($open === FALSE or $rco->date_start > $day OR $rco->date_stop < $day)
					continue;

				$open_dates[$day] = $rco->day(date('w',$day));
			}
		}

		foreach ($open_dates as $day=>$open) {
			$dayname = substr(date('D',$day),0,1);

			if ($open === FALSE)
				$result .= $markup ? sprintf('<span class="fa-stack text-danger"><i class="fa fa-square fa-stack-2x"></i><span class="fa-stack-1x" style="color: white;">%s</span></span>',$dayname) : '-';
			elseif ($open)
				$result .= $markup ? sprintf('<span class="fa-stack text-success"><i class="fa %s fa-stack-2x"></i><strong class="fa-stack-1x" style="color: %s;">%s</strong></span>',($code=='P' ? 'fa-circle' : 'fa-circle-o'),($code=='P' ? 'white' : 'black'),$dayname) : $dayname;
			else
				$result .= $markup ? sprintf('<span class="fa-stack"><i class="fa fa-square-o fa-stack-2x"></i><strong class="fa-stack-1x">%s</strong></span>',$dayname) : strtolower($dayname);
		}

		return $result;
	}

	public function name() {
		return sprintf('%s, %s',strtoupper($this->family_name),$this->first_name);
	}

	public function save(Validation $validation=NULL) {
		$changed = $this->changed();

		parent::save($validation);

		// Process our Sub-Items and Validate them.
		Sort::MASort($this->_sub_items,array('code','room_id','date_start','date_stop'));
		$last = NULL;
		foreach ($this->_sub_items as $rco) {
			// If no dates are selected, clear this record.
			if (! $rco->have_days()) {
				if ($rco->loaded())
					$rco->delete();

				continue;
			}

			// If there is no last item, we'll accept this as is.
			if (is_null($last) OR ($last->date_stop <= $rco->date_start)) {
				$rco->save($validation);
				$last = $rco;

				continue;
			}

			// @todo: If our dates overlap, fix that
			// @todo: Check that casual days dont overlap with permanent days
			// @todo: Check that absent days are attending days
			// @todo: Check that waitlist days dont overlap with permanent days

			if ($rco->changed() AND (! $rco->save()))
				$rco->reload();
		}

		return $this->reload();
	}
}
?>