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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** |
| 6 | * Fast Forward Development Tools for PHP projects. |
| 7 | * |
| 8 | * This file is part of fast-forward/dev-tools project. |
| 9 | * |
| 10 | * @author Felipe Sayão Lobato Abreu <github@mentordosnerds.com> |
| 11 | * @license https://opensource.org/licenses/MIT MIT License |
| 12 | * |
| 13 | * @see https://github.com/php-fast-forward/ |
| 14 | * @see https://github.com/php-fast-forward/dev-tools |
| 15 | * @see https://github.com/php-fast-forward/dev-tools/issues |
| 16 | * @see https://php-fast-forward.github.io/dev-tools/ |
| 17 | * @see https://datatracker.ietf.org/doc/html/rfc2119 |
| 18 | */ |
| 19 | |
| 20 | namespace FastForward\DevTools\Console\Logger; |
| 21 | |
| 22 | use Stringable; |
| 23 | use DateTimeInterface; |
| 24 | use Ergebnis\AgentDetector\Detector; |
| 25 | use FastForward\DevTools\Console\Logger\Processor\ContextProcessorInterface; |
| 26 | use FastForward\DevTools\Console\Output\GithubActionOutput; |
| 27 | use Psr\Clock\ClockInterface; |
| 28 | use Psr\Log\LoggerInterface; |
| 29 | use Psr\Log\LoggerTrait; |
| 30 | use Psr\Log\LogLevel; |
| 31 | use Symfony\Component\Console\Input\ArgvInput; |
| 32 | use Symfony\Component\Console\Output\ConsoleOutputInterface; |
| 33 | |
| 34 | use function Safe\json_encode; |
| 35 | |
| 36 | /** |
| 37 | * Formats PSR-3 log messages for the DevTools console runtime. |
| 38 | * |
| 39 | * The logger routes error-related levels to stderr, expands command context |
| 40 | * through the configured processor, and can switch between tagged text output |
| 41 | * and structured JSON output depending on CLI flags or detected agent |
| 42 | * execution. |
| 43 | */ |
| 44 | class OutputFormatLogger implements LoggerInterface |
| 45 | { |
| 46 | use LoggerTrait; |
| 47 | |
| 48 | /** |
| 49 | * Lists the log levels that MUST be written to the error output stream. |
| 50 | * |
| 51 | * @var list<string> |
| 52 | */ |
| 53 | private const array ERROR_LEVELS = [LogLevel::ERROR, LogLevel::CRITICAL, LogLevel::ALERT, LogLevel::EMERGENCY]; |
| 54 | |
| 55 | /** |
| 56 | * Creates a new console logger instance. |
| 57 | * |
| 58 | * @param ArgvInput $input the CLI input instance used to inspect runtime options |
| 59 | * @param ConsoleOutputInterface $output the console output instance used for writing log messages |
| 60 | * @param ClockInterface $clock provides timestamps for rendered log entries |
| 61 | * @param Detector $agentDetector detects agent-oriented execution environments |
| 62 | * @param ContextProcessorInterface $contextProcessor expands command input and output metadata |
| 63 | * @param GithubActionOutput $githubActionOutput emits GitHub Actions annotations when supported |
| 64 | */ |
| 65 | public function __construct( |
| 66 | private ArgvInput $input, |
| 67 | private ConsoleOutputInterface $output, |
| 68 | private ClockInterface $clock, |
| 69 | private Detector $agentDetector, |
| 70 | private ContextProcessorInterface $contextProcessor, |
| 71 | private GithubActionOutput $githubActionOutput, |
| 72 | ) {} |
| 73 | |
| 74 | /** |
| 75 | * Logs a message at the specified level. |
| 76 | * |
| 77 | * This method MUST format the message before writing it to the console. |
| 78 | * Error-related levels SHALL be directed to the error output stream. |
| 79 | * All other levels SHALL be directed to the standard output stream. |
| 80 | * |
| 81 | * @param mixed $level the log level identifier |
| 82 | * @param string|Stringable $message the log message, optionally containing PSR-3 placeholders |
| 83 | * @param array<string, mixed> $context context data used for placeholder interpolation and JSON output |
| 84 | */ |
| 85 | public function log($level, $message, array $context = []): void |
| 86 | { |
| 87 | $context = $this->contextProcessor->process($context); |
| 88 | $formattedMessage = $this->formatMessage((string) $level, (string) $message, $context); |
| 89 | $output = $this->output; |
| 90 | |
| 91 | if (\in_array($level, self::ERROR_LEVELS, true)) { |
| 92 | $output = $this->output->getErrorOutput(); |
| 93 | } |
| 94 | |
| 95 | $this->emitGithubActionAnnotation((string) $level, (string) $message, $context); |
| 96 | $output->writeln($formattedMessage); |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Emits GitHub Actions annotations for supported error levels. |
| 101 | * |
| 102 | * @param string $level the normalized log level |
| 103 | * @param string $message the original message template |
| 104 | * @param array<string, mixed> $context the processed log context |
| 105 | * |
| 106 | * @return void |
| 107 | */ |
| 108 | private function emitGithubActionAnnotation(string $level, string $message, array $context): void |
| 109 | { |
| 110 | if (! \in_array($level, self::ERROR_LEVELS, true)) { |
| 111 | return; |
| 112 | } |
| 113 | |
| 114 | $file = isset($context['file']) && \is_string($context['file']) |
| 115 | ? $context['file'] |
| 116 | : null; |
| 117 | $line = isset($context['line']) && \is_int($context['line']) |
| 118 | ? $context['line'] |
| 119 | : null; |
| 120 | |
| 121 | $this->githubActionOutput->error($this->interpolate($message, $context), $file, $line); |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Formats a log entry for console output. |
| 126 | * |
| 127 | * When JSON output is enabled, the logger MUST return a JSON-encoded |
| 128 | * representation of the message, level, and context. Otherwise, the |
| 129 | * message SHALL be interpolated and wrapped with a console tag that uses |
| 130 | * the log level as both the style name and visual prefix. |
| 131 | * |
| 132 | * @param string $level the normalized log level |
| 133 | * @param string $message the message template to format |
| 134 | * @param array<string, mixed> $context context values used during formatting |
| 135 | * |
| 136 | * @return string the formatted message ready to be written to the console |
| 137 | */ |
| 138 | private function formatMessage(string $level, string $message, array $context): string |
| 139 | { |
| 140 | $timestamp = $this->clock->now() |
| 141 | ->format(DateTimeInterface::RFC3339); |
| 142 | |
| 143 | if ($this->isJsonOutput()) { |
| 144 | $flags = \JSON_UNESCAPED_UNICODE | \JSON_UNESCAPED_SLASHES; |
| 145 | |
| 146 | if ($this->isPrettyJsonOutput()) { |
| 147 | $flags |= \JSON_PRETTY_PRINT; |
| 148 | } |
| 149 | |
| 150 | return json_encode([ |
| 151 | 'message' => $message, |
| 152 | 'level' => $level, |
| 153 | 'context' => $context, |
| 154 | 'timestamp' => $timestamp, |
| 155 | ], $flags); |
| 156 | } |
| 157 | |
| 158 | $message = $this->interpolate($message, $context); |
| 159 | |
| 160 | return \sprintf('<%s>%s [%s] %s</%s>', $level, $timestamp, strtoupper($level), $message, $level); |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * Determines whether structured JSON output has been requested. |
| 165 | * |
| 166 | * The "--json" and "--pretty-json" options MAY be provided by the caller. |
| 167 | * When either is present, this method SHALL return true. Otherwise, |
| 168 | * detected agent environments SHOULD default to JSON output as well. |
| 169 | * |
| 170 | * @return bool true when JSON output is enabled; otherwise, false |
| 171 | */ |
| 172 | private function isJsonOutput(): bool |
| 173 | { |
| 174 | if ($this->isPrettyJsonOutput()) { |
| 175 | return true; |
| 176 | } |
| 177 | |
| 178 | if ($this->input->hasParameterOption('--json', true)) { |
| 179 | return true; |
| 180 | } |
| 181 | |
| 182 | return $this->agentDetector->isAgentPresent($_SERVER); |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Determines whether pretty-printed JSON output has been requested. |
| 187 | */ |
| 188 | private function isPrettyJsonOutput(): bool |
| 189 | { |
| 190 | return $this->input->hasParameterOption('--pretty-json', true); |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * Interpolates context values into PSR-3-style message placeholders. |
| 195 | * |
| 196 | * Placeholders in the form "{key}" SHALL be replaced when a matching key |
| 197 | * exists in the context array and the associated value can be represented |
| 198 | * safely as text. Scalar values, null, and stringable objects MUST be |
| 199 | * inserted directly. DateTime values SHALL be formatted using RFC3339. |
| 200 | * Objects and arrays MUST be converted into descriptive string |
| 201 | * representations. |
| 202 | * |
| 203 | * @param string $message the message containing optional placeholders |
| 204 | * @param array<string, mixed> $context the context map used for replacement values |
| 205 | * |
| 206 | * @return string the interpolated message |
| 207 | * |
| 208 | * @author PHP Framework Interoperability Group |
| 209 | */ |
| 210 | private function interpolate(string $message, array $context): string |
| 211 | { |
| 212 | if (! str_contains($message, '{')) { |
| 213 | return $message; |
| 214 | } |
| 215 | |
| 216 | $replacements = []; |
| 217 | |
| 218 | foreach ($context as $key => $val) { |
| 219 | if (null === $val || \is_scalar($val) || $val instanceof Stringable) { |
| 220 | $replacements[\sprintf('{%s}', $key)] = $val; |
| 221 | } elseif ($val instanceof DateTimeInterface) { |
| 222 | $replacements[\sprintf('{%s}', $key)] = $val->format(DateTimeInterface::RFC3339); |
| 223 | } elseif (\is_object($val)) { |
| 224 | $replacements[\sprintf('{%s}', $key)] = '[object ' . $val::class . ']'; |
| 225 | } elseif (\is_array($val)) { |
| 226 | $replacements[\sprintf('{%s}', $key)] = '[' . json_encode( |
| 227 | $val, |
| 228 | \JSON_UNESCAPED_UNICODE | \JSON_UNESCAPED_SLASHES |
| 229 | ) . ']'; |
| 230 | } else { |
| 231 | $replacements[\sprintf('{%s}', $key)] = '[' . \gettype($val) . ']'; |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | return strtr($message, $replacements); |
| 236 | } |
| 237 | } |