OptimizerChain::setOptimizerStatus() - Code Metrics - Inspection of "Implements the return of method optimize" - spatie/image-optimizer - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#114)

unknown

created 2020-04-18 00:37 UTC

OptimizerChain::setOptimizerStatus() A

↳ Parent: OptimizerChain

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	4
c	0
b	0
f	0
rs	10
cc	1
nc	1
nop	2

<?php

namespace Spatie\ImageOptimizer;

use Psr\Log\LoggerInterface;
use Spatie\ImageOptimizer\Exceptions\OptimizerNotInstalledException;
use Symfony\Component\Process\Process;

class OptimizerChain
{
    /* @var \Spatie\ImageOptimizer\Optimizer[] */
    protected $optimizers = [];

    /* @var \Spatie\ImageOptimizer\Optimizer[] */
    protected $optimized = [];

    /** @var \Psr\Log\LoggerInterface */
    protected $logger;

    /** @var int */
    protected $timeout = 60;

    public function __construct()
    {
        $this->useLogger(new DummyLogger());
    }

    public function getOptimizers(): array
    {
        return $this->optimizers;
    }

    public function addOptimizer(Optimizer $optimizer)
    {
        $this->optimizers[] = $optimizer;

        return $this;
    }

    public function setOptimizers(array $optimizers)
    {
        $this->optimizers = [];

        foreach ($optimizers as $optimizer) {
            $this->addOptimizer($optimizer);
        }

        return $this;
    }

    /*
     * Set the amount of seconds each separate optimizer may use.
     */
    public function setTimeout(int $timeoutInSeconds)
    {
        $this->timeout = $timeoutInSeconds;

        return $this;
    }

    public function useLogger(LoggerInterface $log)
    {
        $this->logger = $log;

        return $this;
    }

    public function optimize(string $pathToImage, string $pathToOutput = null)
    {
        if ($pathToOutput) {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
            copy($pathToImage, $pathToOutput);

            $pathToImage = $pathToOutput;
        }

        $image = new Image($pathToImage);

        $this->logger->info("Start optimizing {$pathToImage}");

        foreach ($this->optimizers as $optimizer) {
            $this->applyOptimizer($optimizer, $image);
        }

        return $this->optimized;
    }

    protected function applyOptimizer(Optimizer $optimizer, Image $image)
    {
        if (! $optimizer->canHandle($image)) {
            return;
        }

        $optimizerClass = get_class($optimizer);

        $this->logger->info("Using optimizer: `{$optimizerClass}`");

        $optimizer->setImagePath($image->path());

        $command = $optimizer->getCommand();

        $this->logger->info("Executing `{$command}`");

        $process = Process::fromShellCommandline($command);

        $process
            ->setTimeout($this->timeout)
            ->run();

        $this->logResult($process, $optimizer);
    }

    protected function logResult(Process $process, Optimizer $optimizer)
    {
        if (! $process->isSuccessful()) {
            $optimized = false;

            $this->logger->error("Process errored with `{$process->getErrorOutput()}`");

            if (strpos($process->getErrorOutput(), $optimizer->binaryName().': '.strtolower(Process::$exitCodes[127])) !== false) {
                throw new OptimizerNotInstalledException("Optimized not installed!");

                return;
function fx() {
    try {
        doSomething();
        return true;
    }
    catch (\Exception $e) {
        return false;
    }

    return false;
}
            }
        } else {
            $optimized = true;

            $this->logger->info("Process successfully ended with output `{$process->getOutput()}`");
        }

        $this->setOptimizerStatus($optimizer, $optimized);
    }

    private function setOptimizerStatus(Optimizer $optimizer, $status)
    {
        $this->optimized[$optimizer->binaryName()] = $status;
    }
}


1			<?php
2
3			namespace Spatie\ImageOptimizer;
4
5			use Psr\Log\LoggerInterface;
6			use Spatie\ImageOptimizer\Exceptions\OptimizerNotInstalledException;
7			use Symfony\Component\Process\Process;
8
9			class OptimizerChain
10			{
11			/* @var \Spatie\ImageOptimizer\Optimizer[] */
12			protected $optimizers = [];
13
14			/* @var \Spatie\ImageOptimizer\Optimizer[] */
15			protected $optimized = [];
16
17			/** @var \Psr\Log\LoggerInterface */
18			protected $logger;
19
20			/** @var int */
21			protected $timeout = 60;
22
23			public function __construct()
24			{
25			$this->useLogger(new DummyLogger());
26			}
27
28			public function getOptimizers(): array
29			{
30			return $this->optimizers;
31			}
32
33			public function addOptimizer(Optimizer $optimizer)
34			{
35			$this->optimizers[] = $optimizer;
36
37			return $this;
38			}
39
40			public function setOptimizers(array $optimizers)
41			{
42			$this->optimizers = [];
43
44			foreach ($optimizers as $optimizer) {
45			$this->addOptimizer($optimizer);
46			}
47
48			return $this;
49			}
50
51			/*
52			* Set the amount of seconds each separate optimizer may use.
53			*/
54			public function setTimeout(int $timeoutInSeconds)
55			{
56			$this->timeout = $timeoutInSeconds;
57
58			return $this;
59			}
60
61			public function useLogger(LoggerInterface $log)
62			{
63			$this->logger = $log;
64
65			return $this;
66			}
67
68			public function optimize(string $pathToImage, string $pathToOutput = null)
69			{
70			if ($pathToOutput) {
			0 ignored issues – show Bug Best Practice introduced 2017-07-05 11:01 UTC by Report Bug Copy Issue Report The expression `$pathToOutput` of type `null\|string` is loosely compared to `true`; this is ambiguous if the string can be empty. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `string` values, the empty string `''` is a special case, in particular the following results might be unexpected: '' == false // true '' == null // true 'ab' == false // false 'ab' == null // false // It is often better to use strict comparison '' === false // false '' === null // false Loading history...
71			copy($pathToImage, $pathToOutput);
72
73			$pathToImage = $pathToOutput;
74			}
75
76			$image = new Image($pathToImage);
77
78			$this->logger->info("Start optimizing {$pathToImage}");
79
80			foreach ($this->optimizers as $optimizer) {
81			$this->applyOptimizer($optimizer, $image);
82			}
83
84			return $this->optimized;
85			}
86
87			protected function applyOptimizer(Optimizer $optimizer, Image $image)
88			{
89			if (! $optimizer->canHandle($image)) {
90			return;
91			}
92
93			$optimizerClass = get_class($optimizer);
94
95			$this->logger->info("Using optimizer: `{$optimizerClass}`");
96
97			$optimizer->setImagePath($image->path());
98
99			$command = $optimizer->getCommand();
100
101			$this->logger->info("Executing `{$command}`");
102
103			$process = Process::fromShellCommandline($command);
104
105			$process
106			->setTimeout($this->timeout)
107			->run();
108
109			$this->logResult($process, $optimizer);
110			}
111
112			protected function logResult(Process $process, Optimizer $optimizer)
113			{
114			if (! $process->isSuccessful()) {
115			$optimized = false;
116
117			$this->logger->error("Process errored with `{$process->getErrorOutput()}`");
118
119			if (strpos($process->getErrorOutput(), $optimizer->binaryName().': '.strtolower(Process::$exitCodes[127])) !== false) {
120			throw new OptimizerNotInstalledException("Optimized not installed!");
121
122			return;
			0 ignored issues – show Unused Code introduced 2020-04-18 00:29 UTC by Report Bug Copy Issue Report `return;` does not seem to be reachable. This check looks for unreachable code. It uses sophisticated control flow analysis techniques to find statements which will never be executed. Unreachable code is most often the result of `return`, `die` or `exit` statements that have been added for debug purposes. function fx() { try { doSomething(); return true; } catch (\Exception $e) { return false; } return false; } In the above example, the last `return false` will never be executed, because a return statement has already been met in every possible execution path. Loading history...
123			}
124			} else {
125			$optimized = true;
126
127			$this->logger->info("Process successfully ended with output `{$process->getOutput()}`");
128			}
129
130			$this->setOptimizerStatus($optimizer, $optimized);
131			}
132
133			private function setOptimizerStatus(Optimizer $optimizer, $status)
134			{
135			$this->optimized[$optimizer->binaryName()] = $status;
136			}
137			}
138

spatie / image-optimizer

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Pull Request — master (#114)

OptimizerChain::setOptimizerStatus() A

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