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<?php |
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/** |
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* This file is part of the TelegramBot package. |
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* |
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* (c) Avtandil Kikabidze aka LONGMAN <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Longman\TelegramBot; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\NullLogger; |
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/** |
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* Class TelegramLog |
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* |
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* @method static void emergency(string $message, array $context = []) |
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* @method static void alert(string $message, array $context = []) |
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* @method static void critical(string $message, array $context = []) |
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* @method static void error(string $message, array $context = []) |
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* @method static void warning(string $message, array $context = []) |
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* @method static void notice(string $message, array $context = []) |
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* @method static void info(string $message, array $context = []) |
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* @method static void debug(string $message, array $context = []) |
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* @method static void update(string $message, array $context = []) |
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*/ |
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class TelegramLog |
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{ |
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/** |
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* Logger instance |
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* |
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* @var LoggerInterface |
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*/ |
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protected static $logger; |
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/** |
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* Logger instance for update |
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* |
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* @var LoggerInterface |
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*/ |
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protected static $update_logger; |
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/** |
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* Temporary stream handle for debug log |
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* |
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* @var resource|null |
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*/ |
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protected static $debug_log_temp_stream_handle; |
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/** |
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* Initialise logging. |
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* |
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* @param LoggerInterface|null $logger |
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* @param LoggerInterface|null $update_logger |
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*/ |
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public static function initialize(LoggerInterface $logger = null, LoggerInterface $update_logger = null) |
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{ |
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self::$logger = $logger ?: new NullLogger(); |
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self::$update_logger = $update_logger ?: new NullLogger(); |
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} |
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/** |
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* Get the stream handle of the temporary debug output |
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* |
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* @return mixed The stream if debug is active, else false |
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*/ |
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public static function getDebugLogTempStream() |
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{ |
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if ((self::$debug_log_temp_stream_handle === null) && $temp_stream_handle = fopen('php://temp', 'wb+')) { |
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self::$debug_log_temp_stream_handle = $temp_stream_handle; |
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} |
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return self::$debug_log_temp_stream_handle; |
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} |
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/** |
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* Write the temporary debug stream to log and close the stream handle |
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* |
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* @param string $message Message (with placeholder) to write to the debug log |
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*/ |
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public static function endDebugLogTempStream($message = '%s') |
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{ |
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if (is_resource(self::$debug_log_temp_stream_handle)) { |
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rewind(self::$debug_log_temp_stream_handle); |
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self::debug(sprintf($message, stream_get_contents(self::$debug_log_temp_stream_handle))); |
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fclose(self::$debug_log_temp_stream_handle); |
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self::$debug_log_temp_stream_handle = null; |
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} |
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} |
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/** |
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* Handle any logging method call. |
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* |
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* @param string $name |
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* @param array $arguments |
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*/ |
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public static function __callStatic($name, array $arguments) |
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{ |
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// Get the correct logger instance. |
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$logger = null; |
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if (in_array($name, ['emergency', 'alert', 'critical', 'error', 'warning', 'notice', 'info', 'debug',], true)) { |
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$logger = self::$logger; |
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} elseif ($name === 'update') { |
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$logger = self::$update_logger; |
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$name = 'info'; |
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} |
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// Clearly we have no logging enabled. |
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if ($logger === null) { |
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return; |
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} |
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// Replace any placeholders from the passed context. |
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if (count($arguments) >= 2) { |
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$arguments[0] = self::interpolate($arguments[0], $arguments[1]); |
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} |
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call_user_func_array([$logger, $name], $arguments); |
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} |
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/** |
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* Interpolates context values into the message placeholders. |
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* |
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* @see https://www.php-fig.org/psr/psr-3/#12-message |
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* |
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* @param string $message |
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* @param array $context |
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* |
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* @return string |
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*/ |
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protected static function interpolate($message, array $context = []) |
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{ |
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// Build a replacement array with braces around the context keys. |
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$replace = []; |
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foreach ($context as $key => $val) { |
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// check that the value can be casted to string |
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if (!is_array($val) && (!is_object($val) || method_exists($val, '__toString'))) { |
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$replace["{{$key}}"] = $val; |
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} |
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} |
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// Interpolate replacement values into the message and return. |
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return strtr($message, $replace); |
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} |
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} |
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php-telegram-bot /
core
