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<?php |
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namespace PhpEarth\Stats; |
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use Symfony\Component\Console\Helper\ProgressBar; |
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use Facebook\Facebook; |
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use Facebook\Exceptions\FacebookSDKException; |
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use Facebook\Exceptions\FacebookResponseException; |
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/** |
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* Class Fetcher. |
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*/ |
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class Fetcher |
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{ |
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/** |
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* @var Facebook |
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*/ |
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protected $fb; |
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/** |
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* @var Config |
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*/ |
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protected $config; |
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/** |
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* @var ProgressBar |
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*/ |
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protected $progress; |
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/** |
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* @var array |
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*/ |
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protected $feed = []; |
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/** |
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* Mapper constructor. |
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* |
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* @param Config $config |
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* @param ProgressBar $progress |
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* @param Facebook $fb |
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*/ |
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public function __construct(Config $config, ProgressBar $progress, Facebook $fb) |
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{ |
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$this->config = $config; |
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$this->progress = $progress; |
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$this->fb = $fb; |
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} |
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/** |
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* Fetch feed from API data. |
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* |
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* @return array |
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* |
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* @throws \Exception |
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*/ |
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public function getFeed() |
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{ |
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$this->progress->setMessage('Fetching feed...'); |
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$this->progress->advance(); |
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$this->feed = []; |
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try { |
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$pagesCount = 0; |
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$since = $this->config->getParameter('start_datetime')->getTimestamp() - $this->config->getParameter('offset'); |
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$until = $this->config->getParameter('end_datetime')->getTimestamp() + $this->config->getParameter('offset'); |
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$response = $this->fb->get('/'.$this->config->getParameter('group_id').'/feed?fields=comments.limit(200).summary(1){comment_count,from,created_time,message,can_comment,reactions.limit(0).summary(1),comments.limit(200).summary(1){comment_count,from,created_time,message,reactions.limit(0).summary(1)}},reactions.limit(0).summary(1),from,created_time,updated_time,message,type,attachments{type},shares&include_hidden=true&limit=50&since='.$since.'&until='.$until); |
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$feedEdge = $response->getGraphEdge(); |
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if (count($feedEdge) > 0) { |
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do { |
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++$pagesCount; |
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$this->progress->setMessage('Fetching feed from API page '.$pagesCount.' and with the topic updated '.$feedEdge[0]->getField('updated_time')->format('Y-m-d H:i:s')); |
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$this->progress->advance(); |
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foreach ($feedEdge as $topic) { |
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$this->feed[] = $topic; |
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} |
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} while ($feedEdge = $this->fb->next($feedEdge)); |
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} |
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} catch (FacebookResponseException $e) { |
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// When Graph returns an error |
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throw new \Exception('Graph returned an error: '.$e->getMessage()); |
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} catch (FacebookSDKException $e) { |
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// When validation fails or other local issues |
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throw new \Exception('Facebook SDK returned an error: '.$e->getMessage()); |
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} |
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$this->progress->setMessage('Adding topics to collection...'); |
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$this->progress->advance(); |
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return $this->feed; |
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} |
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/** |
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* Get number of new users since the user's name set in app configuration. |
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* |
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* @return int |
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* |
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* @throws \Exception |
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*/ |
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public function getNewMembers() |
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{ |
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$this->progress->setMessage('Retrieving members...'); |
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$this->progress->advance(); |
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$newMembers = []; |
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$pagesCount = 0; |
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try { |
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$response = $this->fb->get('/'.$this->config->getParameter('group_id').'/members?fields=id,name,joined&limit=1000'); |
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$feedEdge = $response->getGraphEdge(); |
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do { |
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++$pagesCount; |
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$this->progress->setMessage('Retrieving members from API page '.$pagesCount); |
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$this->progress->advance(); |
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foreach ($feedEdge as $status) { |
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$newMembers[] = [$status->asArray()['id'], $status->asArray()['name']]; |
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if ($status->asArray()['joined'] <= $this->config->getParameter('start_datetime')->getTimestamp()) { |
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break 2; |
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} |
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} |
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if ($pagesCount == $this->config->getParameter('api_pages')) { |
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break; |
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} |
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} while ($feedEdge = $this->fb->next($feedEdge)); |
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} catch (FacebookResponseException $e) { |
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// When Graph returns an error |
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throw new \Exception('Graph returned an error: '.$e->getMessage()); |
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} catch (FacebookSDKException $e) { |
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// When validation fails or other local issues |
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throw new \Exception('Facebook SDK returned an error: '.$e->getMessage()); |
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} |
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$this->progress->advance(); |
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return $newMembers; |
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} |
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} |
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