File "BaseMetric.php"
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<?php
namespace Common\Database\Metrics;
use Common\Database\Metrics\Traits\RoundingPrecision;
use Illuminate\Contracts\Database\Query\Builder;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Query\Expression;
abstract class BaseMetric
{
use RoundingPrecision;
protected Builder $query;
public function __construct(
public Builder|string|Model $model,
public MetricDateRange $dateRange,
public string|Expression|null $column = null,
public string|null $dateColumn = null,
protected int $limit = 100,
) {
$this->query =
$this->model instanceof Builder
? $this->model->clone()
: (new $this->model())->newQuery();
if (!$this->dateColumn) {
$this->dateColumn = $this->query
->getModel()
->getQualifiedCreatedAtColumn();
}
}
public function count(): array
{
return $this->aggregate('count');
}
public function average(): array
{
return $this->aggregate('avg');
}
public function sum(): array
{
return $this->aggregate('sum');
}
public function max(): array
{
return $this->aggregate('max');
}
public function min(): array
{
return $this->aggregate('min');
}
abstract protected function aggregate(string $function);
protected function getWrappedColumn(): string
{
$column =
$this->column ?: $this->query->getModel()->getQualifiedKeyName();
return $column instanceof Expression
? (string) $column
: $this->query
->getQuery()
->getGrammar()
->wrap($column);
}
protected function round(int|float $value): float
{
return round($value, $this->roundingPrecision, $this->roundingMode);
}
}