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<?php |
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namespace Nopolabs\Yabot\Message; |
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use Exception; |
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use Nopolabs\Yabot\Helpers\LogTrait; |
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use Nopolabs\Yabot\Helpers\SlackTrait; |
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use Nopolabs\Yabot\Slack\Client; |
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use Psr\Log\LoggerInterface; |
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use Slack\Channel; |
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class MessageFactory |
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{ |
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use SlackTrait; |
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use LogTrait; |
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public function __construct(Client $slackClient, LoggerInterface $logger = null) |
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{ |
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$this->setSlack($slackClient); |
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$this->setLog($logger); |
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} |
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public function create(array $data) : Message |
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{ |
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$formattedText = $this->assembleFormattedText($data); |
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$user = $this->getUser($data); |
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$channel = $this->getChannel($data); |
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return new Message($this->getSlack(), $data, $formattedText, $user, $channel); |
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} |
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public function getUser(array $data) |
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{ |
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if ($userId = $this->getUserId($data)) { |
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return $this->getUserById($userId); |
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} |
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$this->warning("Cannot find user for $userId, updating users for future reference."); |
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$this->getSlack()->updateUsers(); |
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return null; |
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} |
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public function getChannel(array $data) : Channel |
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{ |
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$channel = $this->getChannelById($data['channel']); |
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if ($channel instanceof Channel) { |
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return $channel; |
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} |
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throw new Exception('Message data does not have a channel.'); |
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} |
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public function assembleFormattedText(array $data) : string |
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{ |
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$formatted = [$this->formatMessageText($data)]; |
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$formatted = array_merge($formatted, $this->formatAttachmentsText($data)); |
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return trim(implode("\n", array_filter($formatted))); |
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} |
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public function formatMessageText(array $data) : string |
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{ |
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if ($this->isMessageChanged($data, 'text')) { |
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return $this->formatText($data['message']['text']); |
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} |
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if (isset($data['text'])) { |
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return $this->formatText($data['text']); |
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} |
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return ''; |
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} |
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public function formatAttachmentsText(array $data) : array |
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{ |
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$formatted = []; |
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if (isset($data['attachments'])) { |
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foreach ($data['attachments'] as $attachment) { |
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if (isset($attachment['pretext'])) { |
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$formatted[] = $this->formatText($attachment['pretext']); |
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} |
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if (isset($attachment['fallback'])) { |
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$formatted[] = $this->formatText($attachment['fallback']); |
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} |
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} |
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} |
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return $formatted; |
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} |
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public function formatText(string $text) : string |
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{ |
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$pattern = '/<([^>]*)>/'; |
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preg_match_all($pattern, $text, $matches); |
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$split = preg_split($pattern, $text); |
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$index = 0; |
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$formatted = []; |
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foreach ($matches[1] as $match) { |
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$formatted[] = $split[$index++]; |
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$formatted[] = $this->formatEntity($match); |
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} |
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if ($index < count($split)) { |
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$formatted[] = $split[$index]; |
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} |
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return trim(implode('', array_filter($formatted))); |
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} |
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public function formatEntity(string $entity) : string |
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{ |
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$pipe = strrpos($entity, '|'); |
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$readable = ($pipe !== false) ? substr($entity, $pipe + 1) : null; |
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if ($entity && $entity[0] === '@') { |
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return $this->formatUser($entity, $readable); |
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} |
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if ($entity && $entity[0] === '#') { |
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return $this->formatChannel($entity, $readable); |
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} |
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return $readable ? $readable : $entity; |
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} |
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public function formatUser(string $entity, $readable = null) : string |
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{ |
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if ($readable) { |
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return "@$readable"; |
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} |
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$userId = substr($entity, 1); |
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if ($user = $this->getUserById($userId)) { |
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return '@'.$user->getUsername(); |
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} |
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return $entity; |
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} |
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public function formatChannel(string $entity, $readable = null) : string |
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{ |
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if ($readable) { |
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return "#$readable"; |
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} |
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$channelId = substr($entity, 1); |
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if ($channel = $this->getChannelById($channelId)) { |
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return '#'.$channel->getName(); |
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} |
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return $entity; |
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} |
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protected function isMessageChanged(array $data, $param = null): bool |
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{ |
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return isset($data['subtype']) |
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&& $data['subtype'] === 'message_changed' |
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&& ($param ? isset($data['message'][$param]) : true); |
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} |
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protected function getUserId(array $data) |
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{ |
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if ($this->isMessageChanged($data, 'user')) { |
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return $data['message']['user']; |
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} |
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if (isset($data['user'])) { |
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return $data['user']; |
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} |
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return null; |
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} |
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} |
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nopolabs /
yabot
