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CC-5627 : Check all Application_Common_DateHelper calculations that use timezone.

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working on getting widgets to work properly returning station local time.
This commit is contained in:
Naomi 2013-12-10 16:45:05 -05:00
parent 0598c46387
commit 3a2f9a24b5
4 changed files with 139 additions and 109 deletions
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98
airtime_mvc/application/common/DateHelper.php
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@ -45,18 +45,29 @@ class Application_Common_DateHelper
return gmdate("H:i:s", $this->_dateTime);
}
/**
* Get the week start date of this week in the format
* YYYY-MM-DD
/**
*
* @return String - week start date
* @return DateTime - YYYY-MM-DD 00:00 in station timezone
*/
function getWeekStartDate()
public static function getWeekStartDateTime()
{
$stationTimezone = new DateTimeZone(Application_Model_Preference::GetDefaultTimezone());
$now = new DateTime("now", $stationTimezone);
//want it to be the start of the day.
$now->setTime(0, 0, 0);
// our week starts on monday, but php week starts on sunday.
$startDate = date('w') == 0 ? date('Y-m-d', strtotime('monday last week')) : date('Y-m-d', strtotime('monday this week'));
$startDateTime = new DateTime($startDate);
return $startDateTime->format('Y-m-d H:i:s');
$day = $now->format('w');
if ($day == 0) {
$day = 7;
}
$dayDiff = $day - 1;
if ($dayDiff > 0) {
$now->sub(new DateInterval("P{$dayDiff}D"));
}
return $now;
}
/**
@ -234,24 +245,6 @@ class Application_Common_DateHelper
return $dateTime;
}
/* Convenience method to return a date formatted into a String rather than a
* DateTime object. Note that if an empty string is provided for $p_dateString
* then the current time is provided.
*
* @param $p_dateString
* Date string in UTC timezone.
* @param $p_format
* Format which the string should be returned in.
*
* @return string
* Date String in localtime
* */
public static function ConvertToLocalDateTimeString($p_dateString, $p_format="Y-m-d H:i:s"){
if (is_null($p_dateString) || strlen($p_dateString) == 0)
return $p_dateString;
return self::ConvertToLocalDateTime($p_dateString)->format($p_format);
}
public static function ConvertToUtcDateTimeString($p_dateString, $p_format="Y-m-d H:i:s"){
if (is_null($p_dateString) || strlen($p_dateString) == 0)
return $p_dateString;
@ -325,6 +318,59 @@ class Application_Common_DateHelper
return $retVal;
}
/*
* @param $datetime string Y-m-d H:i:s in UTC timezone
*
* @return string in $format default Y-m-d H:i:s in station timezone
*/
public static function UTCStringToStationTimezoneString($datetime, $format="Y-m-d H:i:s") {
$stationTimezone = new DateTimeZone(Application_Model_Preference::GetDefaultTimezone());
$utcTimezone = new DateTimeZone("UTC");
$d = new DateTime($datetime, $utcTimezone);
$d->setTimezone($stationTimezone);
return $d->format($format);
}
/*
* @param $datetime string Y-m-d H:i:s in UTC timezone
*
* @return string Y-m-d H:i:s in user's timezone
*/
public static function UTCStringToUserTimezoneString($datetime, $format="Y-m-d H:i:s") {
$userTimezone = new DateTimeZone(Application_Model_Preference::GetUserTimezone());
$utcTimezone = new DateTimeZone("UTC");
$d = new DateTime($datetime, $utcTimezone);
$d->setTimezone($userTimezone);
return $d->format($format);
}
/**
* Convert the columns given in the array $columnsToConvert in the
* database result $rows to local timezone.
*
* @param array $rows arrays of arrays containing database query result
* @param array $columnsToConvert array of column names to convert
* @param string (station|user) convert to either station or user timezone.
*/
public static function convertTimestamps(&$rows, $columnsToConvert, $domain="station")
{
if (!is_array($rows)) {
return;
}
$converter = "UTCStringTo".ucfirst($domain)."TimezoneString";
foreach ($rows as &$row) {
foreach ($columnsToConvert as $column) {
$row[$column] = self::$converter($row[$column]);
}
}
}
/**
* This function is used for calculations! Don't modify for display purposes!
*