Your IP : 216.73.216.170
<?php
/**
* @package com_zoo
* @author YOOtheme http://www.yootheme.com
* @copyright Copyright (C) YOOtheme GmbH
* @license http://www.gnu.org/licenses/gpl.html GNU/GPL
*/
/**
* Helper to deal with dates, interval, and time conversions
*
* @package Framework.Helpers
*/
class DateHelper extends AppHelper {
/**
* Create a JDate object
*
* @param mixed $time optional time to set the date object to (default: 'now'). @see JDate
* @param mixed $offset The timezone offset to apply (default: null)
*
* @return JDate The JDate object set to the given time / offset
*
* @since 1.0.0
*/
public function create($time = 'now', $offset = null) {
return $this->_call(array('JFactory', 'getDate'), array($time, $offset));
}
/**
* Check if the given date is equal to today (day + month + year)
*
* @param JDate $date the date to check
*
* @return boolean If the date is today
*
* @since 1.0.0
*/
public function isToday($date) {
// get dates
$now = $this->create();
$date = $this->create($date);
return date('Y-m-d', $date->toUnix(true)) == date('Y-m-d', $now->toUnix(true));
}
/**
* Check if the given date is equal to yesterday (day + month + year)
*
* @param JDate $date the date to check
*
* @return boolean If the date is yesterday
*
* @since 1.0.0
*/
public function isYesterday($date) {
// get dates
$now = $this->create();
$date = $this->create($date);
return date('Y-m-d', $date->toUnix(true)) == date('Y-m-d', $now->toUnix(true) - 86400);
}
/**
* Get the time difference or the weekday difference (Date Format LC3) between today and the given date
*
* This method returns something like "20hr 10 min ago" if the date is today
* Otherwise it returns something like "January 31st, 2012"
*
* @param JDate $date The date to check
*
* @return string The text representing the time difference
*
* @since 1.0.0
*/
public function getDeltaOrWeekdayText($date) {
// get dates
$now = $this->create();
$date = $this->create($date);
$delta = $now->toUnix(true) - $date->toUnix(true);
if ($this->isToday($date->toSQL())) {
$hours = intval($delta / 3600);
$hours = $hours > 0 ? $hours.JText::_('hr') : '';
$mins = intval(($delta % 3600) / 60);
$mins = $mins > 0 ? ' '.$mins.JText::_('min') : '';
$delta = $hours.$mins ? JText::sprintf('%s ago', $hours.$mins) : JText::_('1min ago');
} else {
$delta = JHTML::_('date', $date->toMySQL(true), JText::_('DATE_FORMAT_LC3').' %H:%M');
}
return $delta;
}
/**
* Converts the format given to a version-independent format
*
* @param string $format The format to translate
*
* @return string The format in J1.5 version
*
* @since 1.0.0
*/
public function format($format) {
return $this->strftimeToDateFormat($format);
}
/**
* Converts a date format to a format usable by strftime()
*
* @param string $dateFormat The dateformat in the joomla format
*
* @return string The date format in strftime() usable format
*
* @since 1.0.0
*/
public function dateFormatToStrftime($dateFormat) {
return strtr((string) $dateFormat, $this->_getDateFormatToStrftimeMapping());
}
/**
* Converts a strftime() format to a format usable by JDate
*
* @param string $strftime The dateformat in the strftime format
*
* @return string The date format in JDate usable format
*
* @since 1.0.0
*/
public function strftimeToDateFormat($strftime) {
return strtr((string) preg_replace("/(?<![\%|\\\\])(\w)/i", '\\\\$1', $strftime), array_flip($this->_getDateFormatToStrftimeMapping()));
}
/**
* Get an associative array that helds the mapping between strftime() and JDate formats
*
* @return array The mapping array
*
* @since 1.0.0
*/
protected function _getDateFormatToStrftimeMapping() {
return array(
// Day - no strf eq : S
'd' => '%d', 'D' => '%a', 'j' => '%e', 'l' => '%A', 'N' => '%u', 'w' => '%w', 'z' => '%j',
// Week - no date eq : %U, %W
'W' => '%V',
// Month - no strf eq : n, t
'F' => '%B', 'm' => '%m', 'M' => '%b',
// Year - no strf eq : L; no date eq : %C, %g
'o' => '%G', 'Y' => '%Y', 'y' => '%y',
// Time - no strf eq : B, G, u; no date eq : %r, %R, %T, %X
'a' => '%P', 'A' => '%p', 'g' => '%l', 'h' => '%I', 'H' => '%H', 'i' => '%M', 's' => '%S',
// Timezone - no strf eq : e, I, P, Z
'O' => '%z', 'T' => '%Z',
// Full Date / Time - no strf eq : c, r; no date eq : %c, %D, %F, %x
'U' => '%s'
);
}
/**
* Get the configured timezone offset
*
* If no user is given, it will return joomla general offset config, otherwise it will
* return the offset set for the user
*
* @param JUser $user The user for which we have to fetch the timezone offset (default: null)
*
* @return int The timezone offset
*
* @since 1.0.0
*/
public function getOffset($user = null) {
$user = $user == null ? $this->app->user->get() : $user;
return $user->getParam('timezone', $this->app->system->config->get('offset'));
}
}