/**
* Automatically creates or updates the time and
* converts it, if necessary.
*
* @param Jam_Model $model
* @param mixed $value
* @param boolean $is_loaded
* @return int|string
*/
public function convert(Jam_Validated $model, $value, $is_loaded)
{
// Do we need to provide a default since we're creating or updating
if (!$is_loaded and $this->auto_now_create or $is_loaded and $this->auto_now_update) {
$value = $this->timezone !== FALSE ? $this->timezone->time() : time();
} else {
// Convert to UNIX timestamp
if (is_numeric($value)) {
$value = (int) $value;
} elseif (FALSE !== ($to_time = strtotime($value))) {
$value = $to_time;
}
if (is_numeric($value) and $value and $this->timezone !== FALSE) {
$value = $this->timezone->convert($value, Jam_Timezone::USER_TIMEZONE, Jam_Timezone::MASTER_TIMEZONE);
}
}
// Convert if necessary
if ($this->format and is_numeric($value)) {
$value = date($this->format, $value);
}
return $value;
}
public static function date_span($timestamp, $local_timestamp = NULL)
{
$local_timestamp = $local_timestamp === NULL ? Jam_Timezone::instance()->convert(time(), Jam_Timezone::DEFAULT_TIMEZONE, Jam_Timezone::USER_TIMEZONE) : (int) $local_timestamp;
// Determine the difference in seconds
$offset = abs($local_timestamp - $timestamp);
$timeranges = array(Date::MINUTE => array(1, 'second'), Date::HOUR => array(Date::MINUTE, 'minute'), Date::DAY => array(Date::HOUR, 'hour'), Date::WEEK * 2 => array(Date::DAY, 'day'), Date::MONTH => array(Date::WEEK, 'week'), Date::YEAR => array(Date::MONTH, 'month'), PHP_INT_MAX => array(Date::YEAR, 'year'));
foreach ($timeranges as $renge => $display) {
if ($offset <= $renge) {
$span = floor($offset / $display[0]);
$span = $span . ' ' . ($span == 1 ? $display[1] : Inflector::plural($display[1]));
break;
}
}
if ($timestamp <= $local_timestamp) {
// This is in the past
return $span . ' ago';
} else {
// This in the future
return 'in ' . $span;
}
}
public function test_date()
{
$unchanged_timezone = new Jam_Timezone();
$this->assertEquals(date('c', $this->date), $unchanged_timezone->date('c', $this->date));
$this->assertEquals(date('c', $this->date - 3600 * 2), $this->timezone->date('c', $this->date));
}
public function convert($value, $from, $to)
{
if (!$this->is_active()) {
return $value;
}
return Jam_Timezone::shift($value, $this->{$from}(), $this->{$to}());
}
