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123 lines
3.9 KiB
123 lines
3.9 KiB
<?php
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/**
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* @license MIT
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* Copyright 2022 Dustin Wilson, et al.
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* See LICENSE and AUTHORS files for details
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*/
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declare(strict_types=1);
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namespace MensBeam\Logger;
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abstract class Handler {
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protected array $levels;
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protected bool $_bubbles = true;
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protected $_messageTransform = null;
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protected string $_timeFormat = 'M d H:i:s';
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public function __construct(array $levels = [ 0, 1, 2, 3, 4, 5, 6, 7 ], array $options = []) {
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$this->levels = $this->verifyLevels($levels);
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foreach ($options as $key => $value) {
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$this->setOption($key, $value);
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}
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}
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public function getLevels(): array {
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return $this->levels;
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}
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public function getOption(string $name): mixed {
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$class = get_class($this);
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if (!property_exists($class, "_$name")) {
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trigger_error(sprintf('Undefined option in %s: %s', $class, $name), \E_USER_WARNING);
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return null;
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}
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$name = "_$name";
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return $this->$name;
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}
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public function setLevels(int ...$levels): void {
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$this->levels = $this->verifyLevels($levels, false);
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}
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public function setOption(string $name, mixed $value): void {
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$class = get_class($this);
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if (!property_exists($class, "_$name")) {
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trigger_error(sprintf('Undefined option in %s: %s', $class, $name), \E_USER_WARNING);
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return;
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}
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if ($name === 'messageTransform' && !is_callable($value)) {
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throw new TypeError(sprintf('Value of messageTransform option must be callable'));
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}
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$name = "_$name";
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$this->$name = $value;
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}
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public function __invoke(int $level, ?string $channel, string $message, array $context = []): void {
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if (!in_array($level, $this->levels)) {
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return;
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}
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$time = \DateTimeImmutable::createFromFormat('U.u', (string)microtime(true))->format($this->_timeFormat);
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$message = trim($message);
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if ($this->_messageTransform !== null) {
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$t = $this->_messageTransform;
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$message = $t($message, $context);
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}
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$this->invokeCallback($time, $level, $channel ?? '', $message, $context);
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}
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abstract protected function invokeCallback(string $time, int $level, string $channel, string $message, array $context = []): void;
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protected function verifyLevels(array $levels, bool $constructor = true): array {
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$levelsCount = count($levels);
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if (count($levels) === 0) {
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throw new InvalidArgumentException(sprintf('Argument #%s ($levels) must not be empty', ($constructor) ? $this->getParamPosition() : 1));
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}
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foreach ($levels as $k => $v) {
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if ($v instanceof Level) {
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$levels[$k] = $v = $v->value;
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}
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if (!is_int($v)) {
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$type = gettype($v);
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$type = ($type === 'object') ? $v::class : $type;
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$levelClassName = Level::class;
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throw new InvalidArgumentException(sprintf('Value #%s of argument #%s ($levels) must be of type int|%s, %s given', $k + 1, ($constructor) ? $this->getParamPosition() : 1, $levelClassName, $type));
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}
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if ($v < 0 || $v > 7) {
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throw new RangeException(sprintf('Value #%s of argument #%s ($levels) cannot be %s; it is not in the range 0 - 7', $k + 1, ($constructor) ? $this->getParamPosition() : 1, $v));
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}
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}
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$levels = array_unique($levels, \SORT_NUMERIC);
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sort($levels, \SORT_NUMERIC);
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return array_values($levels);
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}
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private function getParamPosition(): int {
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$params = (new \ReflectionClass(get_called_class()))->getConstructor()->getParameters();
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foreach ($params as $k => $p) {
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if ($p->getName() === 'levels') {
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return $k + 1;
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}
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}
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return -1; // @codeCoverageIgnore
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}
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}
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