public function testFormatReturnsCorrectDateWithTimezoneApplied()
{
DateTimeFactory::setConfig(array('timezone' => 'Europe/Berlin'));
$helper = new Zend_View_Helper_DateFormat($this->getRequestMock());
$this->assertEquals('12:05', $helper->format(1397729100, 'H:i'), 'Zend_View_Helper_DateFormat::format does not return a valid' . ' formatted time or does not apply the user\'s timezone');
}
/**
* Setup user timezone if set and valid, otherwise global default timezone
*
* @return self
* @see ApplicationBootstrap::setupTimezone
*/
protected function setupTimezone()
{
if ($this->user !== null && $this->user->getPreferences() !== null) {
$userTimezone = $this->user->getPreferences()->get('app.timezone');
} else {
$userTimezone = null;
}
try {
DateTimeFactory::setConfig(array('timezone' => $userTimezone));
date_default_timezone_set($userTimezone);
} catch (ConfigurationError $e) {
return parent::setupTimezone();
}
return $this;
}
/**
* Calculate the labels for this dataset
*
* @param integer $unit The unit to use as the basis for calculation
*/
private function calculateLabels($unit)
{
$fac = DateTimeFactory::create();
$duration = $this->getMax() - $this->getMin();
// Calculate number of ticks, but not more than 30
$tickCount = $duration / $unit * 10;
if ($tickCount > 30) {
$tickCount = 30;
}
$step = $duration / $tickCount;
$format = $this->timeFormat;
if ($unit === self::DAY) {
$format = $this->dateFormat;
} elseif ($unit === self::MONTH) {
$format = $this->dateFormat;
}
for ($i = 0; $i <= $duration; $i += $step) {
$this->labels[] = $fac->setTimestamp($this->getMin() + $i)->format($format);
}
}
/**
* Setup the default timezone and pass it to DateTimeFactory::setConfig
*/
public static function setupTimezone()
{
date_default_timezone_set('UTC');
DateTimeFactory::setConfig(array('timezone' => 'UTC'));
}
/**
* Validate the input value and set the value of @see validPattern if the input machtes a pattern
*
* @param string $value The format string to validate
* @param null $context The form context (ignored)
*
* @return bool True when the input is valid, otherwise false
*
* @see Zend_Validate_Abstract::isValid()
*/
public function isValid($value, $context = null)
{
$this->validPattern = false;
if (!is_string($value) && !is_int($value)) {
$this->error('INVALID_TYPE');
return false;
}
if ($this->isUnixTimestamp($value)) {
$dt = DateTimeFactory::create();
$dt->setTimestamp($value);
} else {
if (!isset($this->patterns)) {
throw new ProgrammingError('There are no allowed timeformats configured');
}
$match_found = false;
foreach ($this->patterns as $pattern) {
$dt = DateTimeFactory::parse($value, $pattern);
if ($dt !== false && $dt->format($pattern) === $value) {
$match_found = true;
$this->validPattern = $pattern;
break;
}
}
if (!$match_found) {
$this->_error('NO_MATCHING_PATTERN');
return false;
}
}
return true;
}
/**
* @param $weekday
*
* @return string
*/
private function weekdayName($weekday)
{
$sun = DateTimeFactory::create('last Sunday');
$interval = new DateInterval('P' . $weekday . 'D');
$sun->add($interval);
return $sun->format('D');
}
/**
* Validate filtered date/time strings
*
* Expects one or more valid formats being set in $this->patterns. Sets element value as Unix timestamp
* if the input is considered valid. Utilizes DateTimeFactory to ensure time zone awareness.
*
* @param string $value
* @param mixed $context
* @return bool
*/
public function isValid($value, $context = null)
{
// Overwrite the internal validator to use
if (!parent::isValid($value, $context)) {
return false;
}
$pattern = $this->dateValidator->getValidPattern();
if (!$pattern) {
$this->setValue($value);
return true;
}
$this->setValue(DateTimeFactory::parse($value, $pattern)->getTimestamp());
return true;
}
/**
* Setup default timezone
*
* @return self
* @throws ConfigurationError if the timezone in config.ini isn't valid
*/
protected function setupTimezone()
{
$timeZoneString = $this->config->global !== null ? $this->config->global->get('timezone', 'UTC') : 'UTC';
date_default_timezone_set($timeZoneString);
DateTimeFactory::setConfig(array('timezone' => $timeZoneString));
return $this;
}
