94 lines
2.4 KiB
PHP
94 lines
2.4 KiB
PHP
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<?php
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namespace Driver\Logger;
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use Driver\SQL\SQL;
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class Logger {
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public const LOG_FILE_DATE_FORMAT = "Y-m-d_H-i-s_v";
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public const LOG_LEVELS = [
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0 => "debug",
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1 => "info",
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2 => "warning",
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3 => "error",
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4 => "severe"
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];
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public static Logger $INSTANCE;
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private ?SQL $sql;
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private string $module;
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public function __construct(string $module = "Unknown", ?SQL $sql = null) {
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$this->module = $module;
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$this->sql = $sql;
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}
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protected function getStackTrace(int $pop = 2): string {
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$debugTrace = debug_backtrace();
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if ($pop > 0) {
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array_splice($debugTrace, 0, $pop);
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}
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return implode("\n", array_map(function ($trace) {
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return $trace["file"] . "#" . $trace["line"] . ": " . $trace["function"] . "()";
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}, $debugTrace));
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}
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public function log(string $message, string $severity, bool $appendStackTrace = true) {
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if ($appendStackTrace) {
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$message .= "\n" . $this->getStackTrace();
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}
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if ($this->sql !== null && $this->sql->isConnected()) {
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$success = $this->sql->insert("SystemLog", ["module", "message", "severity"])
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->addRow($this->module, $message, $severity)
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->execute();
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if ($success !== false) {
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return;
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}
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}
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// database logging failed, try to log to file
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$module = preg_replace("/[^a-zA-Z0-9-]/", "-", $this->module);
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$date = (\DateTime::createFromFormat('U.u', microtime(true)))->format(self::LOG_FILE_DATE_FORMAT);
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$logFile = implode("_", [$module, $severity, $date]) . ".log";
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$logPath = implode(DIRECTORY_SEPARATOR, [WEBROOT, "core", "Logs", $logFile]);
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@file_put_contents($logPath, $message);
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}
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public function error(string $message): string {
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$this->log($message, "error");
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return $message;
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}
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public function severe(string $message): string {
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$this->log($message, "severe");
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return $message;
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}
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public function warning(string $message): string {
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$this->log($message, "warning", false);
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return $message;
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}
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public function info(string $message): string {
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$this->log($message, "info", false);
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return $message;
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}
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public function debug(string $message): string {
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$this->log($message, "debug");
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return $message;
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}
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public static function instance(): Logger {
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if (self::$INSTANCE === null) {
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self::$INSTANCE = new Logger("Global");
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}
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return self::$INSTANCE;
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}
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}
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