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<?php |
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namespace GarethEllis\Tldr\Fetcher; |
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use GarethEllis\Tldr\Fetcher\Exception\PageNotFoundException; |
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use GarethEllis\Tldr\Page\TldrPage; |
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use GuzzleHttp\Client; |
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use GarethEllis\Tldr\Cache\CacheWriterInterface; |
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/** |
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* Class RemoteFetcher |
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* |
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* Fetches a page from the remote repository and optionally caches the result |
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* |
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* @package GarethEllis\Tldr\Fetcher |
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*/ |
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class RemoteFetcher implements PageFetcherInterface |
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{ |
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protected $http; |
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/** |
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* @var string The base URL of the JSON index containing a list of commands |
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*/ |
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protected $baseUrl = "https://api.github.com/repos/tldr-pages/tldr/contents/pages/index.json?ref=master"; |
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/** |
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* @var string URL template for fetching an individual page |
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*/ |
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protected $pageInfoUrlTemplate = |
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"https://api.github.com/repos/tldr-pages/tldr/contents/pages/{os}/{command}.md?ref=master"; |
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/** |
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* @var CacheWriterInterface |
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*/ |
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private $cacheWriter; |
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/** |
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* RemoteFetcher constructor. |
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* |
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* @param \GuzzleHttp\Client $http |
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*/ |
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public function __construct(Client $http, CacheWriterInterface $cacheWriter = null) |
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{ |
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$this->http = $http; |
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$this->cacheWriter = $cacheWriter; |
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} |
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/** |
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* Fetch a page from remote repository |
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* |
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* @param string $page |
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* @return string |
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* @throws PageNotFoundException |
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*/ |
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public function fetchPage(String $pageName): TldrPage |
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{ |
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$response = $this->http->get($this->baseUrl); |
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$contents = json_decode($response->getBody()->getContents(), true); |
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$pages = base64_decode($contents["content"]); |
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$json = json_decode($pages, true); |
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$pages = $json["commands"]; |
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$pages = array_filter($pages, function ($foundPage) use ($pageName) { |
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return $foundPage["name"] === $pageName; |
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}); |
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//working on assumption that only one page has been found! |
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if (empty($pages)) { |
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throw new PageNotFoundException; |
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} |
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$page = $pages["0"]; |
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$os = $page["platform"][0]; |
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$url = str_replace("{os}", $os, $this->pageInfoUrlTemplate); |
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$url = str_replace("{command}", $page["name"], $url); |
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$response = $this->http->get($url); |
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$contents = json_decode($response->getBody()->getContents(), true); |
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$pageContent = base64_decode($contents["content"]); |
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$page = new TldrPage($pageName, $os, $pageContent); |
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if ($this->cacheWriter) { |
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$this->cacheWriter->writeToCache($page); |
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} |
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return $page; |
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} |
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} |
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This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function.
Consider the following example. The parameter
$italy
is not defined by the methodfinale(...)
.The most likely cause is that the parameter was removed, but the annotation was not.