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<?php |
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namespace Pageon\SlackWebhookMonolog\Slack; |
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use Pageon\SlackWebhookMonolog\Slack\Exceptions\InvalidChannelException; |
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use Pageon\SlackWebhookMonolog\Slack\Interfaces\ChannelInterface; |
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/** |
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* @author Jelmer Prins <[email protected]> |
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* |
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* @since 0.1.0 |
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*/ |
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class Channel implements ChannelInterface |
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{ |
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private $name; |
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/** |
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* Channel constructor. |
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* |
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* @param string $name |
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*/ |
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public function __construct($name) |
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{ |
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$this->setName($name); |
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} |
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/** |
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* @param string $name |
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* |
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* @return self |
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*/ |
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private function setName($name) |
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{ |
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$name = trim($name); |
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if (strlen($name) === 0) { |
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throw new InvalidChannelException( |
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'The name should start with "#" for a channel or "@" for an account. |
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The name that was provided did not start with either of those.', |
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400 |
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); |
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} |
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// names should be lowercase so we just enforce this without further validation |
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$name = mb_strtolower($name, 'UTF8'); |
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switch ($name[0]) { |
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case '#': |
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if ($this->isValidName($name, '_^#[\w-]{1,21}$_')) { |
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$this->name = $name; |
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} |
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return; |
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case '@': |
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// check if the username matches the requirements from slack |
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if ($this->isValidName($name, '_^@[\w-.]{1,21}$_')) { |
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$this->name = $name; |
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} |
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return; |
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default: |
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throw new InvalidChannelException( |
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'The name should start with "#" for a channel or "@" for an account. |
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The name that was provided did not start with either of those.', |
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400 |
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); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getChannel() |
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{ |
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return $this->name; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __toString() |
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{ |
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return $this->getChannel(); |
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} |
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/** |
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* Check if the name is valid against a regular expression. |
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* |
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* @param string $name |
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* @param string $validationRegex |
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* |
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* @return bool |
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*/ |
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private function isValidName($name, $validationRegex) |
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{ |
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if (!preg_match($validationRegex, $name)) { |
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throw new InvalidChannelException( |
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'Channel names must be all lowercase. |
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They cannot be longer than 21 characters and can only contain letters, numbers, hyphens, and underscores.', |
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400 |
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); |
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} |
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return true; |
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} |
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} |
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Pageon /
SlackWebhookMonolog
