Current File : //home/forge/api-takeaseat.eco-n-tech.co.uk/vendor/laravel/nova/src/Metrics/TrendDateExpression.php
<?php
namespace Laravel\Nova\Metrics;
use Cake\Chronos\Chronos;
use DateTime;
use DateTimeZone;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Query\Expression;
abstract class TrendDateExpression extends Expression
{
/**
* The query builder being used to build the trend.
*
* @var \Illuminate\Database\Query\Builder
*/
public $query;
/**
* The column being measured.
*
* @var string
*/
public $column;
/**
* The unit being measured.
*
* @var string
*/
public $unit;
/**
* The users's local timezone.
*
* @var string
*/
public $timezone;
/**
* Create a new raw query expression.
*
* @param \Illuminate\Database\Eloquent\Builder $query
* @param string $column
* @param string $unit
* @param string $timezone
* @return void
*/
public function __construct(Builder $query, $column, $unit, $timezone)
{
$this->unit = $unit;
$this->query = $query;
$this->column = $column;
$this->timezone = $timezone;
}
/**
* Get the timezone offset for the user's timezone.
*
* @return int
*/
public function offset()
{
$timezoneOffset = function ($timezone) {
return (new DateTime(Chronos::now()->format('Y-m-d H:i:s'), new DateTimeZone($timezone)))->getOffset() / 60 / 60;
};
if ($this->timezone) {
$appOffset = $timezoneOffset(config('app.timezone'));
$userOffset = $timezoneOffset($this->timezone);
return $userOffset - $appOffset;
}
return 0;
}
/**
* Wrap the given value using the query's grammar.
*
* @param string $value
* @return string
*/
protected function wrap($value)
{
return $this->query->getQuery()->getGrammar()->wrap($value);
}
}
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