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<?php
/**
* @package Komento
* @copyright Copyright (C) 2012 Stack Ideas Private Limited. All rights reserved.
* @license GNU/GPL, see LICENSE.php
*
* Komento is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
defined('_JEXEC') or die('Restricted access');
jimport('joomla.utilities.date');
class KomentoDateHelper
{
/*
* return the jdate with the correct specified timezone offset
* param : raw date string (date with no offset yet)
* return : JDate object
*/
public static function dateWithOffSet($str='')
{
$userTZ = KomentoDateHelper::getOffSet();
$date = Komento::getDate($str);
if( Komento::joomlaVersion() >= '1.6' )
{
$user = JFactory::getUser();
$config = Komento::getConfig();
$jConfig = JFactory::getConfig();
// temporary ignore the dst in joomla 1.6
if($user->id != 0)
{
$userTZ = $user->getParam('timezone');
}
if(empty($userTZ))
{
$userTZ = $jConfig->get('offset');
}
$tmp = new DateTimeZone( $userTZ );
$date->setTimeZone( $tmp );
}
else
{
$date->setOffset( $userTZ );
}
return $date;
}
public static function getDate($str='')
{
return KomentoDateHelper::dateWithOffSet($str);
}
public static function geRawUnixTimeOld($str='')
{
$tzoffset = KomentoDateHelper::getOffSet();
$date = Komento::getDate( $str );
$newdate = mktime( ($date->toFormat('%H') - $tzoffset),
$date->toFormat('%M'),
$date->toFormat('%S'),
$date->toFormat('%m'),
$date->toFormat('%d'),
$date->toFormat('%Y'));
return $newdate;
}
public static function getOffSet16($numberOnly = false)
{
jimport('joomla.form.formfield');
$user = JFactory::getUser();
$config = Komento::getConfig();
$jConfig = JFactory::getConfig();
// temporary ignore the dst in joomla 1.6
if($user->id != 0)
{
$userTZ = $user->getParam('timezone');
}
if(empty($userTZ))
{
$userTZ = $jConfig->get('offset');
}
if( $numberOnly )
{
$newTZ = new DateTimeZone($userTZ);
$dateTime = new DateTime( "now" , $newTZ );
$offset = $newTZ->getOffset( $dateTime ) / 60 / 60;
return $offset;
}
else
{
//timezone string
return $userTZ;
}
}
public static function getOffSet( $numberOnly = false )
{
if(Komento::joomlaVersion() >= '1.6')
{
//return a timezone object
return KomentoDateHelper::getOffSet16($numberOnly);
}
$mainframe = JFactory::getApplication();
$user = JFactory::getUser();
$config = Komento::getConfig();
$userTZ = '';
$dstOffset = $config->get('main_dstoffset', 0);
if($user->id != 0)
{
$userTZ = $user->getParam('timezone') + $dstOffset;
}
//if user did not set timezone, we use joomla one.
if(empty($userTZ))
{
$userTZ = $mainframe->getCfg('offset') + $dstOffset;
}
return $userTZ;
}
public static function enableDateTimePicker()
{
$document = JFactory::getDocument();
// load language for datetime picker
$html = '
<script type="text/javascript">
/* Date Time Picker */
var sJan = "'.JText::_('JAN').'";
var sFeb = "'.JText::_('FEB').'";
var sMar = "'.JText::_('MAR').'";
var sApr = "'.JText::_('APR').'";
var sMay = "'.JText::_('MAY').'";
var sJun = "'.JText::_('JUN').'";
var sJul = "'.JText::_('JUL').'";
var sAug = "'.JText::_('AUG').'";
var sSep = "'.JText::_('SEP').'";
var sOct = "'.JText::_('OCT').'";
var sNov = "'.JText::_('NOV').'";
var sDec = "'.JText::_('DEC').'";
var sAm = "'.JText::_('AM').'";
var sPm = "'.JText::_('PM').'";
var btnOK = "'.JText::_('COM_KOMENTO_SAVE_BUTTON').'";
var btnReset = "'.JText::_('COM_KOMENTO_RESET').'";
var btnCancel = "'.JText::_('COM_KOMENTO_CANCEL').'";
var sNever = "'.JText::_('COM_KOMENTO_NEVER').'";
</script>';
$document->addCustomTag( $html );
}
public static function getLapsedTime( $time )
{
$now = Komento::getDate();
$end = Komento::getDate( $time );
$time = $now->toUnix() - $end->toUnix();
$tokens = array (
31536000 => 'COM_KOMENTO_X_YEAR',
2592000 => 'COM_KOMENTO_X_MONTH',
604800 => 'COM_KOMENTO_X_WEEK',
86400 => 'COM_KOMENTO_X_DAY',
3600 => 'COM_KOMENTO_X_HOUR',
60 => 'COM_KOMENTO_X_MINUTE',
1 => 'COM_KOMENTO_X_SECOND'
);
foreach( $tokens as $unit => $key )
{
if ($time < $unit)
{
continue;
}
$units = floor( $time / $unit );
$string = $units > 1 ? $key . 'S' : $key;
$string = $string . '_AGO';
$text = JText::sprintf(strtoupper($string), $units);
return $text;
}
return JText::_('COM_KOMENTO_ONE_SECOND_AGO');
}
public static function getDifference( $end, $format = '' )
{
if( $end == '' )
{
return 0;
}
$now = Komento::getDate();
$time = $now->toUnix() - $end;
if( $format )
{
$time = self::toFormat( $end, $format );
}
return $time;
}
public static function toFormat( $jdate = null, $format = '%Y-%m-%d %H:%M:%S' )
{
if( $jdate instanceof KomentoDate )
{
return $jdate->toFormat( $format );
}
return self::getDate( $jdate )->toFormat( $format );
}
public static function strftimeToDate( $format )
{
$strftimeMap = array(
// day
'%a' => 'D', // 00, Sun through Sat
'%A' => 'l', // 01, Sunday through Saturday
'%d' => 'd', // 02, 01 through 31
'%e' => 'j', // 03, 1 through 31
'%j' => 'z', // 04, 001 through 366
'%u' => 'N', // 05, 1 for Monday through 7 for Sunday
'%w' => 'w', // 06, 1 for Sunday through 7 for Saturday
// week
'%U' => 'W', // 07, Week number of the year with Sunday as the start of the week
'%V' => 'W', // 08, ISO-8601:1988 week number of the year with Monday as the start of the week, with at least 4 weekdays as the first week
'%W' => 'W', // 09, Week number of the year with Monday as the start of the week
// month
'%b' => 'M', // 10, Jan through Dec
'%B' => 'F', // 11, January through December
'%h' => 'M', // 12, Jan through Dec, alias of %b
'%m' => 'm', // 13, 01 for January through 12 for December
// year
'%C' => '', // 14, 2 digit of the century, year divided by 100, truncated to an integer, 19 for 20th Century
'%g' => 'y', // 15, 2 digit of the year going by ISO-8601:1988 (%V), 09 for 2009
'%G' => 'o', // 16, 4 digit version of %g
'%y' => 'y', // 17, 2 digit of the year
'%Y' => 'Y', // 18, 4 digit version of %y
// time
'%H' => 'H', // 19, hour, 00 through 23
'%I' => 'h', // 20, hour, 01 through 12
'%l' => 'g', // 21, hour, 1 through 12
'%M' => 'i', // 22, minute, 00 through 59
'%p' => 'A', // 23, AM or PM
'%P' => 'a', // 24, am or pm
'%r' => 'h:i:s A', // 25, = %I:%M:%S %p, 09:34:17 PM
'%R' => 'H:i', // 26, = %H:%M, 21:34
'%S' => 's', // 27, second, 00 through 59
'%T' => 'H:i:s', // 28, = %H:%M:%S, 21:34:17
'%X' => 'H:i:s', // 29, Based on locale without date
'%z' => 'O', // 30, Either the time zone offset from UTC or the abbreviation (depends on operating system)
'%Z' => 'T', // 31, The time zone offset/abbreviation option NOT given by %z (depends on operating system)
// date stamps
'%c' => 'Y-m-d H:i:s', // 32, Date and time stamps based on locale
'%D' => 'm/d/y', // 33, = %m/%d/%y, 02/05/09
'%F' => 'Y-m-d', // 34, = %Y-%m-%d, 2009-02-05
'%s' => '', // 35, Unix timestamp, same as time()
'%x' => 'Y-m-d', // 36, Date stamps based on locale
// misc
'%n' => '\n', // 37, New line character \n
'%t' => '\t', // 38, Tab character \t
'%%' => '%' // 39, Literal percentage character %
);
$dateMap = array(
// day
'd', // 01, 01 through 31
'D', // 02, Mon through Sun
'j', // 03, 1 through 31
'l', // 04, Sunday through Saturday
'N', // 05, 1 for Monday through 7 for Sunday
'S', // 06, English ordinal suffix, st, nd, rd or th
'w', // 07, 0 for Sunday through 6 for Saturday
'z', // 08, 0 through 365
// week
'W', // 09, ISO-8601 week number of the year with Monday as the start of the week
// month
'F', // 10, January through December
'm', // 11, 01 through 12
'M', // 12, Jan through Dec
'n', // 13, 1 through 12
't', // 14, Number of days in the month, 28 through 31
// year
'L', // 15, 1 for leap year, 0 otherwise
'o', // 16, 4 digit of the ISO-8601 year number. This has the same value as Y, except that it follows ISO week number (W)
'Y', // 17, 4 digit of the year
'y', // 18, 2 digit of the year
// time
'a', // 19, am or pm
'A', // 20, AM or PM
'B', // 21, Swatch Internet time 000 through 999
'g', // 22, hour, 1 through 12
'G', // 23, hour, 0 through 23
'h', // 24, hour, 01 through 12
'H', // 25, hour, 00 through 23
'i', // 26, minute, 00 through 59
's', // 27, second, 00 through 59
'u', // 28, microsecond, date() always generate 000000
// timezone
'e', // 29, timezone identifier, UTC, GMT
'I', // 30, 1 for Daylight Saving Time, 0 otherwise
'O', // 31, +0200
'P', // 32, +02:00
'T', // 33, timezone abbreviation, EST, MDT
'Z', // 34, Timezone offset in seconds, -43200 through 50400
// full date/time
'c', // 35, ISO-8601 date, 2004-02-12T15:19:21+00:00
'r', // 36, RFC 2822 date, Thu, 21 Dec 2000 16:01:07 +0200
'U' // 37, Seconds since the Unix Epoch
);
foreach( $strftimeMap as $key => $value )
{
$format = str_replace( $key, $value, $format );
}
return $format;
}
}