SamplesBuilder::group() - Code Metrics - Inspection of "Add status exporters for fpm and opcache" - krenor/prometheus-client - Measure and Improve Code Quality continuously with Scrutinizer

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by Stan

created 2019-12-14 17:28 UTC

SamplesBuilder::group() A

↳ Parent: Project

Complexity

Conditions	4
Paths	2

Size

Total Lines	24
Code Lines	16

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	13
CRAP Score	4

Importance

Changes

Metric	Value
cc	4
eloc	16
nc	2
nop	0
dl	0
loc	24
ccs	13
cts	13
cp	1
crap	4
rs	9.7333
c	0
b	0
f	0

<?php

namespace Krenor\Prometheus\Contracts;

use Krenor\Prometheus\Sample;
use Tightenco\Collect\Support\Collection;

abstract class SamplesBuilder
{
    /**
     * @var Metric
     */
    protected $metric;

    /**
     * @var Collection
     */
    protected $items;

    /**
     * SamplesCollector constructor.
     *
     * @param Metric $metric
     * @param Collection $items
     */
    public function __construct(Metric $metric, Collection $items)
    {
        $this->metric = $metric;
        $this->items = $items;
    }

    /**
     * @return Collection|Sample[]
     */
    public function samples(): Collection
    {
        return $this
            ->parse()
            ->map(function (array $data) {
                return new Sample(
                    $data['name'],
                    $data['value'],
                    new Collection($data['labels'])
                );
            });
    }

    /**
     * @return Collection
     */
    protected function parse(): Collection
    {
        $name = $this->metric->key();
        $labels = $this->metric->labels()->toArray();

        if (empty($labels) && $this->items->isEmpty()) {
            return (new Collection)
                ->push(['value' => 0] + compact('name', 'labels'));
        }

        return $this
            ->items
            ->map(function ($value, string $field) use ($name) {
                // Merge stored fields with the value and name to an array.
                return compact('name', 'value') + json_decode($field, true);
            })->reject(function (array $data) use ($labels) {
                // Filter out items lacking the key "labels" or where labels names don't match.
                return !array_key_exists('labels', $data)
                    ?: array_keys($data['labels']) !== $labels;
            })->sortBy('labels')
            ->values();
    }
}


1		<?php
2
3		namespace Krenor\Prometheus\Contracts;
4
5		use Krenor\Prometheus\Sample;
6		use Tightenco\Collect\Support\Collection;
7
8		abstract class SamplesBuilder
9		{
10		/**
11		* @var Metric
12		*/
13		protected $metric;
14
15		/**
16		* @var Collection
17		*/
18		protected $items;
19
20		/**
21		* SamplesCollector constructor.
22		*
23		* @param Metric $metric
24		* @param Collection $items
25		*/
26		public function __construct(Metric $metric, Collection $items)
27	47	{
28		$this->metric = $metric;
29	47	$this->items = $items;
30	47	}
31	47
32		/**
33		* @return Collection\|Sample[]
34		*/
35		public function samples(): Collection
36	46	{
37		return $this
38		->parse()
39	45	->map(function (array $data) {
40	46	return new Sample(
41		$data['name'],
42		$data['value'],
43		new Collection($data['labels'])
44		);
45		});
46		}
47
48		/**
49		* @return Collection
50		*/
51	47	protected function parse(): Collection
52		{
53	47	$name = $this->metric->key();
54	4	$labels = $this->metric->labels()->toArray();
55	4
56	4	if (empty($labels) && $this->items->isEmpty()) {
57	4	return (new Collection)
58		->push(['value' => 0] + compact('name', 'labels'));
59		}
60
61		return $this
62	43	->items
63		->map(function ($value, string $field) use ($name) {
64	43	// Merge stored fields with the value and name to an array.
65		return compact('name', 'value') + json_decode($field, true);
66	43	})->reject(function (array $data) use ($labels) {
67		// Filter out items lacking the key "labels" or where labels names don't match.
68	43	return !array_key_exists('labels', $data)
69	43	?: array_keys($data['labels']) !== $labels;
70		})->sortBy('labels')
71		->values();
72	42	}
73		}
74

krenor / prometheus-client

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SamplesBuilder::group() A

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