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<?php
/**
* @package FrameworkOnFramework
* @subpackage model
* @copyright Copyright (C) 2010 - 2012 Akeeba Ltd. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
// Protect from unauthorized access
defined('_JEXEC') or die;
/**
* FrameworkOnFramework model behavior class
*
* @package FrameworkOnFramework
* @since 2.1
*/
class FOFModelFieldDate extends FOFModelFieldText
{
/**
* Returns the default search method for this field.
*
* @return string
*/
public function getDefaultSearchMethod()
{
return 'exact';
}
/**
* Perform a between limits match. When $include is true
* the condition tested is:
* $from <= VALUE <= $to
* When $include is false the condition tested is:
* $from < VALUE < $to
*
* @param mixed $from The lowest value to compare to
* @param mixed $to The higherst value to compare to
* @param boolean $include Should we include the boundaries in the search?
*
* @return string The SQL where clause for this search
*/
public function between($from, $to, $include = true)
{
if ($this->isEmpty($from) || $this->isEmpty($to))
{
return '';
}
$extra = '';
if ($include)
{
$extra = '=';
}
$sql = '((' . $this->getFieldName() . ' >' . $extra . ' ' . $from . ') AND ';
$sql .= '(' . $this->getFieldName() . ' <' . $extra . ' ' . $to . '))';
return $sql;
}
/**
* Perform an outside limits match. When $include is true
* the condition tested is:
* (VALUE <= $from) || (VALUE >= $to)
* When $include is false the condition tested is:
* (VALUE < $from) || (VALUE > $to)
*
* @param mixed $from The lowest value of the excluded range
* @param mixed $to The higherst value of the excluded range
* @param boolean $include Should we include the boundaries in the search?
*
* @return string The SQL where clause for this search
*/
public function outside($from, $to, $include = false)
{
if ($this->isEmpty($from) || $this->isEmpty($to))
{
return '';
}
$extra = '';
if ($include)
{
$extra = '=';
}
$sql = '((' . $this->getFieldName() . ' <' . $extra . ' ' . $from . ') AND ';
$sql .= '(' . $this->getFieldName() . ' >' . $extra . ' ' . $to . '))';
return $sql;
}
/**
* Interval date search
*
* @param string $value The value to search
* @param string|array|object $interval The interval. Can be (+1 MONTH or array('value' => 1, 'unit' => 'MONTH', 'sign' => '+'))
* @param boolean $include If the borders should be included
*
* @return string the sql string
*/
public function interval($value, $interval, $include = true)
{
if ($this->isEmpty($value) || $this->isEmpty($interval))
{
return '';
}
$interval = $this->getInterval($interval);
if ($interval['sign'] == '+')
{
$function = 'DATE_ADD';
}
else
{
$function = 'DATE_SUB';
}
$extra = '';
if ($include)
{
$extra = '=';
}
$sql = '(' . $this->getFieldName() . ' >' . $extra . ' ' . $function;
$sql .= '(' . $this->getFieldName() . ', INTERVAL ' . $interval['value'] . ' ' . $interval['unit'] . '))';
return $sql;
}
/**
* Parses an interval –which may be given as a string, array or object– into
* a standardised hash array that can then be used bu the interval() method.
*
* @param string|array|object $interval The interval expression to parse
*
* @return array The parsed, hash array form of the interval
*/
protected function getInterval($interval)
{
if (is_string($interval))
{
if (strlen($interval) > 2)
{
$interval = explode(" ", $interval);
$sign = ($interval[0] == '-') ? '-' : '+';
$value = (int) substr($interval[0], 1);
$interval = array(
'unit' => $interval[1],
'value' => $value,
'sign' => $sign
);
}
else
{
$interval = array(
'unit' => 'MONTH',
'value' => 1,
'sign' => '+'
);
}
}
else
{
$interval = (array) $interval;
}
return $interval;
}
}