Krenor\Prometheus\Storage\Concerns\StoresMetrics

Complexity

Total Complexity

2

Size/Duplication

Total Lines	22
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	2
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
A	labeled()	0	12	2

<?php

namespace Krenor\Prometheus\Storage\Concerns;

use Krenor\Prometheus\Contracts\Metric;
use Tightenco\Collect\Support\Collection;
use Krenor\Prometheus\Exceptions\LabelException;

trait StoresMetrics
{
    /**
     * @param Metric $metric
     * @param array $labels
     *
     * @throws LabelException
     *
     * @return Collection
     */
    protected function labeled(Metric $metric, array $labels): Collection
    {
        $expected = $metric->labels()->count();
        $actual = count($labels);

        if ($expected !== $actual) {
            throw new LabelException("Expected {$expected} label values but {$actual} were given.");
        }

        // FIXME: Only return the value.
        return new Collection([
            'labels' => $metric->labels()->combine($labels),
        ]);
    }
}