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<?php |
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/** |
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* @package: marx/php-self-updater |
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* |
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* @author: msiebeneicher |
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* @since: 2015-12-27 |
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* |
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*/ |
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namespace PSU\Strategy; |
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use PSU\Exception\StrategyException; |
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use PSU\HttpClient\HttpClientFactory; |
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class GithubStrategy implements StrategyInterface |
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{ |
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const API_URL = 'https://api.github.com/repos/%s/%s/releases/latest'; |
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/** |
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* @var int |
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*/ |
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private $stability = StrategyInterface::STABILITY_STABLE; |
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/** |
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* @var string |
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*/ |
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private $githubOwner = ''; |
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/** |
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* @var string |
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*/ |
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private $githubRepo = ''; |
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/** |
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* @var string |
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*/ |
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private $pharFile = ''; |
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/** |
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* @var HttpClientFactory |
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*/ |
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private $httpClientFactory; |
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/** |
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* @var array |
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*/ |
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private $lastResponse = []; |
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/** |
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* @param HttpClientFactory $httpClientFactory |
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*/ |
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public function __construct( |
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HttpClientFactory $httpClientFactory |
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) |
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{ |
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$this->httpClientFactory = $httpClientFactory; |
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} |
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/** |
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* @return string |
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* @throws StrategyException |
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*/ |
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public function getLatestVersion() |
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{ |
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$jsonResponse = $this->getReleaseInfo(); |
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if ( |
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StrategyInterface::STABILITY_STABLE == $this->stability |
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&& isset($jsonResponse['prerelease']) |
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&& true == $jsonResponse['prerelease'] |
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) |
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{ |
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//todo : get latest stable release |
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return '0.0.0'; |
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} |
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return (isset($jsonResponse['tag_name'])) |
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? str_replace('v', '', $jsonResponse['tag_name']) |
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: '0.0.0'; |
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} |
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/** |
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* |
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*/ |
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public function downloadLatestVersion() |
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{ |
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return $this->getHttpClient()->download( |
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$this->getPharDownloadUrl() |
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); |
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} |
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/** |
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* @param int $stability |
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*/ |
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public function setStability($stability) |
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{ |
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$this->stability = $stability; |
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} |
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/** |
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* @param $pharFileName |
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*/ |
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public function setPharFile($pharFileName) |
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{ |
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$this->pharFile = $pharFileName; |
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} |
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/** |
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* @param string $owner |
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*/ |
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public function setGithubOwner($owner) |
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{ |
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$this->githubOwner = $owner; |
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} |
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/** |
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* @param string $repo |
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*/ |
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public function setGithubRepo($repo) |
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{ |
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$this->githubRepo = $repo; |
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} |
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/** |
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* @return \PSU\HttpClient\HttpClientInterface |
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*/ |
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private function getHttpClient() |
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{ |
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return $this->httpClientFactory->getHttpClient(); |
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} |
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/** |
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* @return string |
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* @throws StrategyException |
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*/ |
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private function getApiCallUrl() |
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{ |
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if (empty($this->githubOwner) || empty($this->githubRepo)) |
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{ |
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throw new StrategyException( |
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'"githubOwner" or "githubRepo" is empty. Please set the owner and repository first.', |
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StrategyException::ERROR_MISSING_PARAMETER |
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); |
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} |
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return sprintf( |
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self::API_URL, |
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$this->githubOwner, |
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$this->githubRepo |
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); |
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} |
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/** |
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* @return array |
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* @throws StrategyException |
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*/ |
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private function getReleaseInfo() |
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{ |
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if (!empty($this->lastResponse)) |
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{ |
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return $this->lastResponse; |
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} |
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return $this->lastResponse = $this->getHttpClient()->getJsonResponse( |
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$this->getApiCallUrl() |
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); |
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} |
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/** |
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* @return string |
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*/ |
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private function getPharDownloadUrl() |
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{ |
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$jsonResponse = $this->getReleaseInfo(); |
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foreach ($jsonResponse['assets'] as $asset) |
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{ |
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if ($asset['name'] == $this->pharFile) //todo: add correct filter |
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{ |
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return $asset['browser_download_url']; |
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} |
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} |
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return ''; |
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} |
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} |