feat : ajout de la lecture des logs symfony et docker (#3)

Reviewed-on: #3
Co-authored-by: tristan <tristan@yuno.malio.fr>
Co-committed-by: tristan <tristan@yuno.malio.fr>

src/Service/DockerService.php

@@ -8,11 +8,34 @@ use Symfony\Component\Process\Process;
 
 final class DockerService
 {
+    private ?bool $dockerAvailable = null;
+
+    private function isDockerAvailable(): bool
+    {
+        if (null === $this->dockerAvailable) {
+            $process = new Process(['which', 'docker']);
+            $process->setTimeout(5);
+            $process->run();
+            $this->dockerAvailable = $process->isSuccessful();
+        }
+
+        return $this->dockerAvailable;
+    }
+
     /**
      * @return array{status: string, image: string, version: string, startedAt: string}
      */
     public function getContainerStatus(string $containerName): array
     {
+        if (!$this->isDockerAvailable()) {
+            return [
+                'status' => 'unavailable',
+                'image' => '',
+                'version' => '',
+                'startedAt' => '',
+            ];
+        }
+
         $process = new Process([
             'docker', 'inspect',
             '--format', '{{.State.Status}}||{{.Config.Image}}||{{.State.StartedAt}}',
@@ -60,6 +83,15 @@ final class DockerService
      */
     public function getContainerStats(string $containerName): array
     {
+        if (!$this->isDockerAvailable()) {
+            return [
+                'cpuPercent' => 0.0,
+                'memoryUsage' => '',
+                'memoryLimit' => '',
+                'memoryPercent' => 0.0,
+            ];
+        }
+
         $process = new Process([
             'docker', 'stats', '--no-stream',
             '--format', '{{.CPUPerc}}||{{.MemUsage}}||{{.MemPerc}}',

src/Service/LogService.php

@@ -0,0 +1,113 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service;
+
+use Symfony\Component\Process\Process;
+
+final readonly class LogService
+{
+    public function __construct(
+        private AppPathResolver $pathResolver,
+    ) {}
+
+    public function getDockerLogs(string $containerName, int $lines = 100, ?string $since = null): string
+    {
+        $check = new Process(['which', 'docker']);
+        $check->setTimeout(5);
+        $check->run();
+
+        if (!$check->isSuccessful()) {
+            return 'Docker CLI is not available in this environment.';
+        }
+
+        $args = ['docker', 'logs', '--tail', (string) $lines];
+
+        if (null !== $since) {
+            $args[] = '--since';
+            $args[] = $since;
+        }
+
+        $args[] = $containerName;
+
+        $process = new Process($args);
+        $process->setTimeout(10);
+        $process->run();
+
+        return $process->getOutput() . $process->getErrorOutput();
+    }
+
+    public function getSymfonyLog(string $relativePath, int $lines = 100, ?string $level = null): string
+    {
+        $path = $this->pathResolver->resolve($relativePath);
+
+        if (!file_exists($path)) {
+            return sprintf('Log file not found: %s', $path);
+        }
+
+        // Read more lines than requested to compensate for filtering
+        $readLines = (null !== $level && '' !== $level) ? $lines * 5 : $lines;
+
+        $process = new Process(['tail', '-n', (string) $readLines, $path]);
+        $process->setTimeout(10);
+        $process->run();
+
+        $rawLines = explode("\n", trim($process->getOutput()));
+        $formatted = [];
+
+        foreach ($rawLines as $line) {
+            if ('' === $line) {
+                continue;
+            }
+
+            $parsed = $this->parseSymfonyLogLine($line);
+
+            if (null === $parsed) {
+                continue;
+            }
+
+            // Skip noisy channels
+            if ('doctrine' === $parsed['channel']) {
+                continue;
+            }
+
+            if (null !== $level && '' !== $level && !str_contains(strtoupper($parsed['level']), strtoupper($level))) {
+                continue;
+            }
+
+            $formatted[] = sprintf('[%s] %s.%s: %s', $parsed['date'], $parsed['channel'], $parsed['level'], $parsed['message']);
+        }
+
+        // Keep only the last N lines after filtering
+        $formatted = \array_slice($formatted, -$lines);
+
+        return implode("\n", $formatted);
+    }
+
+    /**
+     * @return array{date: string, level: string, channel: string, message: string}|null
+     */
+    private function parseSymfonyLogLine(string $line): ?array
+    {
+        // Standard Symfony monolog format: [2026-04-03T15:33:19.304937+02:00] channel.LEVEL: message {context} []
+        if (preg_match('/^\[([^\]]+)\]\s+(\w+)\.(\w+):\s+(.+)$/', $line, $matches)) {
+            $date = substr($matches[1], 0, 19); // Trim to YYYY-MM-DDTHH:MM:SS
+            $message = $matches[4];
+
+            // Remove JSON context at the end: {"key":"value"} []
+            $message = preg_replace('/\s*\{.*\}\s*\[\]\s*$/', '', $message) ?? $message;
+            // Remove trailing []
+            $message = preg_replace('/\s*\[\]\s*$/', '', $message) ?? $message;
+
+            return [
+                'date' => str_replace('T', ' ', $date),
+                'level' => $matches[3],
+                'channel' => $matches[2],
+                'message' => $message,
+            ];
+        }
+
+        return null;
+    }
+}