158 lines
4.0 KiB
PHP
158 lines
4.0 KiB
PHP
<?php
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namespace App\Filament\SuperAdmin\Pages;
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use BackedEnum;
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use Filament\Pages\Page;
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use Illuminate\Support\Facades\File;
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class LogViewerPage extends Page
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{
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protected static ?string $navigationLabel = 'Logs';
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protected static ?string $title = 'Application Logs';
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protected static string|BackedEnum|null $navigationIcon = 'heroicon-o-rectangle-stack';
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protected string $view = 'filament.super-admin.pages.log-viewer';
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public array $logFiles = [];
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public string $selectedFile = '';
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public string $filter = '';
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public int $limit = 200;
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public array $entries = [];
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public function mount(): void
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{
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$this->logFiles = $this->discoverLogFiles();
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$this->selectedFile = $this->logFiles[0]['name'] ?? '';
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$this->refreshLines();
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}
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public function updatedSelectedFile(): void
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{
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$this->refreshLines();
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}
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public function updatedFilter(): void
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{
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$this->refreshLines();
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}
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public function updatedLimit(): void
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{
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$this->limit = max(50, min(1000, $this->limit));
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$this->refreshLines();
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}
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protected function discoverLogFiles(): array
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{
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$paths = File::glob(storage_path('logs/*.log')) ?: [];
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$files = collect($paths)
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->map(fn (string $path) => [
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'name' => basename($path),
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'path' => $path,
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'modified' => File::lastModified($path) ?: 0,
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'size' => File::size($path) ?: 0,
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])
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->sortByDesc('modified')
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->values()
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->all();
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return $files;
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}
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protected function refreshLines(): void
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{
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$path = storage_path('logs/'.$this->selectedFile);
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if (! File::exists($path)) {
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$this->entries = [];
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return;
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}
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$rawLines = $this->tailFile($path, $this->limit * 2);
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if ($this->filter !== '') {
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$needle = mb_strtolower($this->filter);
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$rawLines = array_values(array_filter(
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$rawLines,
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fn (string $line) => str_contains(mb_strtolower($line), $needle)
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));
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}
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$rawLines = array_slice($rawLines, -$this->limit * 2);
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$rawLines = $this->mergeStackTraces($rawLines);
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$rawLines = array_slice(array_reverse($rawLines), 0, $this->limit);
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$this->entries = array_map([$this, 'formatLine'], $rawLines);
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}
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/**
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* Return last $lines lines of file. Simpler approach is fine for small logs in admin view.
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*/
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protected function tailFile(string $path, int $lines = 200): array
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{
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try {
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$contents = File::get($path);
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} catch (\Throwable) {
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return [];
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}
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$all = preg_split('/\r\n|\r|\n/', (string) $contents) ?: [];
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return array_slice($all, -$lines);
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}
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protected function mergeStackTraces(array $lines): array
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{
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$merged = [];
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foreach ($lines as $line) {
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$trimmed = ltrim($line);
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$isStackLine = str_starts_with($trimmed, '#')
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|| str_starts_with($trimmed, 'Stack trace:')
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|| str_starts_with($line, ' ');
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if ($isStackLine && ! empty($merged)) {
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$merged[array_key_last($merged)] .= PHP_EOL.$line;
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continue;
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}
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if ($line === '') {
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continue;
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}
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$merged[] = $line;
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}
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return $merged;
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}
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protected function formatLine(string $line): array
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{
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$level = 'info';
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$timestamp = null;
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if (preg_match('/\\[(?<ts>[^\\]]+)\\]/', $line, $matches)) {
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$timestamp = $matches['ts'] ?? null;
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}
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if (preg_match('/\\.(EMERGENCY|ALERT|CRITICAL|ERROR|WARNING|NOTICE|INFO|DEBUG)/i', $line, $matches)) {
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$level = strtolower($matches[1]);
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}
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return [
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'text' => $line,
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'level' => $level,
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'timestamp' => $timestamp,
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];
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}
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}
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