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<?php |
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namespace Firesphere\StripeSlack\Controller; |
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use Firesphere\StripeSlack\Model\SlackUserCount; |
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use GuzzleHttp\Client; |
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use SilverStripe\Control\Controller; |
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use SilverStripe\Control\HTTPResponse; |
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use SilverStripe\Core\Convert; |
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use SilverStripe\ORM\FieldType\DBDatetime; |
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use SilverStripe\ORM\ValidationException; |
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use SilverStripe\SiteConfig\SiteConfig; |
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/** |
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* Class SlackStatusController |
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* |
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*/ |
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class SlackStatusController extends Controller |
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{ |
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private static $allowed_actions = [ |
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'usercount', |
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'badge' |
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]; |
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/** |
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* @return int |
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* @throws ValidationException |
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*/ |
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public function usercount() |
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{ |
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/** @var SiteConfig $config */ |
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$config = SiteConfig::current_site_config(); |
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// Break if there is a configuration error |
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if (!$config->SlackURL || !$config->SlackToken || !$config->SlackChannel) { |
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return ''; |
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} |
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return $this->getStatus($config); |
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} |
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protected function getRequestParams($config) |
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{ |
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return [ |
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'form_params' => [ |
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'token' => $config->SlackToken, |
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'type' => 'post', |
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'channel' => $config->SlackChannel, |
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'scope' => 'identify,read,post,client', |
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] |
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]; |
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} |
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/** |
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* @param SiteConfig $config |
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* @return int |
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* @throws ValidationException |
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*/ |
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public function getStatus($config) |
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{ |
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/** @var SlackUserCount $count */ |
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$count = SlackUserCount::get()->first(); |
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// To limit the amount of API requests, only update the count |
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// once every 3 hours |
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if ($count) { |
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$dateTime = DBDatetime::create(); |
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$dateTime->setValue($count->LastEdited); |
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$diff = explode(' ', $dateTime->TimeDiffIn('hours')); |
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if ($diff[0] < 3) { |
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return $count->UserCount; |
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} |
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} else { |
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$count = SlackUserCount::create(); |
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} |
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return $this->getSlackCount($config, $count); |
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} |
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/** |
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* @param SiteConfig $config |
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* @param SlackUserCount $count |
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* @return int |
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* @throws ValidationException |
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*/ |
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protected function getSlackCount($config, $count) |
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{ |
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$service = $this->getClient($config); |
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$params = $this->getRequestParams($config); |
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$url = 'api/channels.info?t=' . time(); |
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$response = $service->request('POST', $url, $params); |
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$result = Convert::json2array($response->getBody()); |
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return $this->validateResponse($count, $result); |
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} |
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/** |
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* @param $config |
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* @return Client |
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*/ |
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public function getClient($config) |
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{ |
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$baseURL = $config->SlackURL; |
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$baseURL = (substr($baseURL, -1) === '/') ? $baseURL : $baseURL . '/'; |
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return new Client(['base_uri' => $baseURL]); |
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} |
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/** |
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* @param SlackUserCount $count |
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* @param array $result |
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* @return int |
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*/ |
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public function validateResponse($count, $result) |
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{ |
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if (isset($result['ok']) && $result['ok']) { |
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$userCount = count($result['channel']['members']); |
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$count->UserCount = $userCount; |
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$count->write(); |
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return $userCount; |
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} |
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return 0; |
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} |
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/** |
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* @return HTTPResponse |
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* @throws ValidationException |
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*/ |
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public function badge() |
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{ |
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$config = SiteConfig::current_site_config(); |
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$count = $this->getStatus($config); |
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list($width, $pos) = $this->getSVGSettings($count); |
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$body = $this->renderWith('SVGTemplate', ['Count' => $count, 'Width' => $width, 'Pos' => $pos]); |
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$response = new HTTPResponse($body); |
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$response->addHeader('Content-Type', 'image/svg+xml'); |
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return $response; |
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} |
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/** |
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* @param $count |
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* @return array |
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*/ |
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public function getSVGSettings($count) |
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{ |
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if ($count < 100) { |
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$width = 25; |
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$pos = 60; |
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} elseif ($count < 1000) { |
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$width = 35; |
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$pos = 65; |
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} else { |
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$width = 45; |
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$pos = 70; |
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} |
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return [$width, $pos]; |
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} |
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} |
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Firesphere /
silverstripe-stripeslack
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