FileFetcher\SpyingFileFetcher

Complexity

Total Complexity

5

Size/Duplication

Total Lines	38
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
A	fetchFile()	0	4	1
A	getFetchedUrls()	0	3	1
A	getFirstFetchedUrl()	0	3	2

<?php

declare( strict_types=1 );

namespace FileFetcher;

/**
 * Decorator for FileFetcher objects that records file fetching calls.
 *
 * @since 3.2
 *
 * @licence GNU GPL v2+
 * @author Jeroen De Dauw < jeroendedauw@gmail.com >
 */
class SpyingFileFetcher implements FileFetcher {

	private $fileFetcher;

	private $fetchedUrls = [];

	public function __construct( FileFetcher $fileFetcher ) {
		$this->fileFetcher = $fileFetcher;
	}

	/**
	 * @see FileFetcher::fetchFile
	 * @throws FileFetchingException
	 */
	public function fetchFile( string $fileUrl ): string {
		$this->fetchedUrls[] = $fileUrl;
		return $this->fileFetcher->fetchFile( $fileUrl );
	}

	/**
	 * Returns an ordered list of fetched URLs. Duplicates are preserved.
	 *
	 * @return string[]
	 */
	public function getFetchedUrls(): array {
		return $this->fetchedUrls;
	}

	/**
	 * @since 4.3
	 *
	 * @return string|null
	 */
	public function getFirstFetchedUrl() {
		return empty( $this->fetchedUrls ) ? null : $this->fetchedUrls[0];
	}

}