Completed
Push — dev ( 38969c...e9d5f9 )
by Marc
13:15
created

Manager::getPackagesVersions()   A

Complexity

Conditions 3
Paths 2

Size

Total Lines 16
Code Lines 9

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
c 1
b 0
f 0
dl 0
loc 16
rs 9.4285
cc 3
eloc 9
nc 2
nop 0
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<?php namespace Mascame\Artificer\Extension;
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use Illuminate\Support\Str;
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use Mascame\Extender\Booter\BooterInterface;
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use Mascame\Extender\Event\EventInterface;
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use Mascame\Extender\Installer\InstallerInterface;
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use Symfony\Component\CssSelector\XPath\Extension\AbstractExtension;
0 ignored issues
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Bug introduced by
This use statement conflicts with another class in this namespace, Mascame\Artificer\Extension\AbstractExtension.

Let’s assume that you have a directory layout like this:

.
|-- OtherDir
|   |-- Bar.php
|   `-- Foo.php
`-- SomeDir
    `-- Foo.php

and let’s assume the following content of Bar.php:

// Bar.php
namespace OtherDir;

use SomeDir\Foo; // This now conflicts the class OtherDir\Foo

If both files OtherDir/Foo.php and SomeDir/Foo.php are loaded in the same runtime, you will see a PHP error such as the following:

PHP Fatal error:  Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php

However, as OtherDir/Foo.php does not necessarily have to be loaded and the error is only triggered if it is loaded before OtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias:

// Bar.php
namespace OtherDir;

use SomeDir\Foo as SomeDirFoo; // There is no conflict anymore.
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use Symfony\Component\HttpFoundation\File\File;
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class Manager extends \Mascame\Extender\Manager {
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    /**
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     * @var \Mascame\Artificer\Plugin\Manager|\Mascame\Artificer\Widget\Manager
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     */
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    protected $manager;
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    /**
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     * Composer packages
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     * 
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     * @var array
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     */
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    protected $packages = [];
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    /**
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     * @param InstallerInterface $installer
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     * @param BooterInterface|null $booter
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     * @param EventInterface|null $eventDispatcher
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     * @throws \Exception
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     */
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    public function __construct(
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        InstallerInterface $installer,
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        BooterInterface $booter = null,
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        EventInterface $eventDispatcher = null
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    )
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    {
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        parent::__construct($installer, $booter, $eventDispatcher);
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        $this->packages = $this->getPackagesVersions();
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    }
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    /**
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     * @param $name
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     * @param \Closure $plugin
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     */
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    public function add($name, \Closure $plugin)
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    {
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        if (! $this->isValidNamespace($name)) {
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            throw new \Exception('Extension namespace is mandatory and must be compliant to "vendor/package". Provided: ' . $name);
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        }
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        parent::add($name, $plugin);
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    }
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    /**
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     * vendor/package
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     *
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     * @param $namespace
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     * @return bool
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     */
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    protected function isValidNamespace($namespace) {
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        $regex = "/^[\\w-]+\\/[\\w-]+$/";
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        preg_match($regex, $namespace, $matches);
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        return (count($matches) > 0);
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    }
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    /**
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     * @return array
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     */
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    protected function getPackagesVersions() {
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        $installedPackagesFile = config('admin.vendorPath') . '/composer/installed.json';
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        $packagesWithName = [];
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        if (\File::exists($installedPackagesFile)) {
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            $packages = json_decode(\File::get($installedPackagesFile), true);
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            $packagesWithName = [];
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            foreach ($packages as $package) {
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                $packagesWithName[$package['name']] = $package;
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            }
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        }
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        return $packagesWithName;
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    }
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    /**
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     * @param $namespace
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     * @return mixed
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     * @throws \Exception
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     */
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    public function getVersion($namespace) {
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        if (isset($this->packages[$namespace])) {
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            return $this->packages[$namespace]['version'];
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        }
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        throw new \Exception('Package with namespace "' . $namespace . '" not found (Should be an existent composer package).');
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    }
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}
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