Germania\MergeQueryUriFactory\MergeQueryUriFactoryDecorator

Complexity

Total Complexity

6

Size/Duplication

Total Lines	70
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Test Coverage

Coverage

100%

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	createUri()	0	4	1
A	__invoke()	0	4	1
A	createUriMergeQuery()	0	20	3

<?php
namespace Germania\MergeQueryUriFactory;

use Psr\Http\Message\UriFactoryInterface;
use Psr\Http\Message\UriInterface;

/**
 * This UriFactory decorator builds an UriInterface
 * from an URI string or UriInterface and an Query String Parameters array.
 *
 * The `createUriMergeQuery` method accepts an array with additional query params
 * that will be 'merged' into the resulting UriInterface.
 */
class MergeQueryUriFactoryDecorator implements UriFactoryInterface
{


    /**
     * @var UriFactoryInterface
     */
    public $uri_factory;


    /**
     * @param UriFactoryInterface $uri_factory
     */
    public function __construct(UriFactoryInterface $uri_factory)
    {
        $this->uri_factory = $uri_factory;
    }


    /**
     * @inheritDoc
     */
    public function createUri(string $uri = '') : UriInterface
    {
        return $this->uri_factory->createUri($uri);
    }



    /**
     * @param  string|UriInterface  $url           URI string or UriInterface
     * @param  string[]             $query_params  Overriding query parameters
     * @return UriInterface
     *
     * @throws InvalidArgumentException when no string or UriInterface is passed
     */
    public function __invoke( $url, array $query_params = array() ) : UriInterface
    {
        return $this->createUriMergeQuery( $url, $query_params );
    }


    /**
     * @param  string|UriInterface  $url           URI string or UriInterface
     * @param  string[]             $query_params  Overriding query parameters
     * @return UriInterface
     *
     * @throws InvalidArgumentException when no string or UriInterface is passed
     */
    public function createUriMergeQuery( $url, array $query_params = array() ) : UriInterface
    {
        if (is_string($url)) {
            $target_uri = $this->createUri($url);
        }
        elseif ($url instanceOf UriInterface) {
            $target_uri = $url;
        }
        else {
            throw new \InvalidArgumentException("Expected UriInterface or string.");
        }


        // Merge redirect params into original parameters
        parse_str($target_uri->getQuery(), $target_params);
        $merged_params = array_merge($target_params, $query_params);

        $merged_query = http_build_query($merged_params);
        return $target_uri->withQuery($merged_query);
    }
}