SsrInterceptor::invoke()   A
last analyzed

Complexity

Conditions 2
Paths 2

Size

Total Lines 17
Code Lines 11

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 11
CRAP Score 2

Importance

Changes 0
Metric Value
c 0
b 0
f 0
dl 0
loc 17
ccs 11
cts 11
cp 1
rs 9.4285
cc 2
eloc 11
nc 2
nop 1
crap 2
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<?php
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declare(strict_types=1);
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/**
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 * This file is part of the BEAR.SsrModule package.
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 *
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 * @license http://opensource.org/licenses/MIT MIT
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 */
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namespace BEAR\SsrModule;
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use BEAR\Resource\ResourceObject;
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use BEAR\SsrModule\Annotation\Ssr;
0 ignored issues
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Bug introduced by
This use statement conflicts with another class in this namespace, BEAR\SsrModule\Ssr.

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 BEAR\SsrModule\Exception\NoAppValueException;
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use Ray\Aop\MethodInterceptor;
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use Ray\Aop\MethodInvocation;
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final class SsrInterceptor implements MethodInterceptor
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{
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    /**
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     * Server side renderer factory
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     *
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     * @var SsrFactoryInterface
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     */
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    private $factory;
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    public function __construct(SsrFactoryInterface $factory)
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    {
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        $this->factory = $factory;
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    }
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    /**
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     * Set server side render with @Ssr annotation meta data
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     *
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     * {@inheritdoc}
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     */
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    public function invoke(MethodInvocation $invocation)
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    {
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        $ssr = $invocation->getMethod()->getAnnotation(Ssr::class);
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        /* @var $ssr Ssr */
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        $app = $ssr->app;
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        if ($app === null) {
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            throw new NoAppValueException();
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        }
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        $state = array_values($ssr->state);
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        $metas = array_values($ssr->metas);
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        $renderer = $this->factory->newInstance($app, $state, $metas);
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        $ro = $invocation->getThis();
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        /* @var $ro ResourceObject */
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        $ro->setRenderer($renderer);
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        return $invocation->proceed();
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    }
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}
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