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<?php |
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namespace PhpBotFramework\Commands; |
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use PhpBotFramework\Entities\Message; |
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trait MessageCommand { |
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/** |
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* \addtogroup Commands |
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* \brief What commands are |
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* @{ |
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*/ |
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/** \brief (<i>Internal</i>)Store the command triggered on message. */ |
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protected $_message_commands; |
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/** |
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* \brief Add a function that will be executed everytime a message contain the selected command |
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* \details Use this syntax: |
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* |
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* addMessageCommand("start", function($bot, $message) { |
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* $bot->sendMessage("Hi"); }); |
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* @param $command The command that will trigger this function (without slash). Eg: "start", "help", "about" |
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* @param $script The function that will be triggered by a command. Must take an object(the bot) and an array(the message received). |
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*/ |
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public function addMessageCommand(string $command, callable $script) { |
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$this->_message_commands[] = [ |
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'script' => $script, |
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'command' => '/' . $command, |
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'length' => strlen($command) + 1, |
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]; |
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} |
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/** |
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* \brief (<i>Internal</i>)Process a message checking if it trigger any MessageCommand. |
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* @param $message Message to process. |
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* @return True if the message triggered any command. |
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*/ |
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protected function processMessageCommand(array $message) : bool { |
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// If the message contains a bot command at the start |
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if (isset($message['entities']) && $message['entities'][0]['type'] === 'bot_command') { |
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// The lenght of the command |
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$length = $message['entities'][0]['length']; |
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// Offset of the command |
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$offset = $message['entities'][0]['offset']; |
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// For each command added by the user |
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foreach ($this->_message_commands as $trigger) { |
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// If we found a valid command |
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if ($trigger['length'] == $length && mb_strpos($trigger['command'], $message['text'], $offset) !== false) { |
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// Set chat_id |
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$this->_chat_id = $message['chat']['id']; |
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// Execute script, |
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$trigger['script']($this, new Message($message)); |
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// Return |
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return true; |
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} |
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} |
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} |
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// No command were triggered, return false |
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return false; |
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} |
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} |
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DanySpin97 /
PhpBotFramework
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: