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<?php |
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declare(strict_types=1); |
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namespace Chamilo\CoreBundle\Controller\Api; |
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use Chamilo\CoreBundle\Repository\Node\CourseRepository; |
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use Chamilo\CourseBundle\Repository\CDocumentRepository; |
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use Symfony\Bundle\FrameworkBundle\Controller\AbstractController; |
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use Symfony\Component\HttpFoundation\JsonResponse; |
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use Symfony\Component\HttpKernel\Attribute\AsController; |
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#[AsController] |
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final class DocumentUsageAction extends AbstractController |
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{ |
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/** |
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* Fallback quota (MB) when the course quota is empty or not set. |
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*/ |
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private const DEFAULT_QUOTA_MB = 100; |
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public function __construct( |
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private readonly CourseRepository $courseRepository, |
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private readonly CDocumentRepository $documentRepository, |
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) {} |
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public function __invoke($cid): JsonResponse |
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{ |
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$courseId = (int) $cid; |
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$course = $this->courseRepository->find($courseId); |
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if (null === $course) { |
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return new JsonResponse(['error' => 'Course not found'], 404); |
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} |
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// Resolve quota in MB safely (avoid "($x * ...) ?? fallback"). |
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$quotaMb = (int) ($course->getDiskQuota() ?? 0); |
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if ($quotaMb <= 0) { |
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$quotaMb = self::DEFAULT_QUOTA_MB; |
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} |
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$totalQuotaBytes = $quotaMb * 1024 * 1024; |
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// Compute usage using repository logic (deduplicated). |
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$usage = $this->documentRepository->getDocumentUsageBreakdownByCourse($course); |
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$bytesCourse = (int) ($usage['course'] ?? 0); |
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$bytesSessions = (int) ($usage['sessions'] ?? 0); |
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$bytesGroups = (int) ($usage['groups'] ?? 0); |
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$usedBytes = (int) ($usage['used'] ?? ($bytesCourse + $bytesSessions + $bytesGroups)); |
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// Keep the pie meaningful even when used > quota. |
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$denomBytes = max($totalQuotaBytes, $usedBytes, 1); |
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$availableBytes = max($totalQuotaBytes - $usedBytes, 0); |
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$labels = []; |
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$data = []; |
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if ($bytesCourse > 0) { |
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$labels[] = get_lang('Course').' ('.$this->formatBytes($bytesCourse).')'; |
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$data[] = $this->pct($bytesCourse, $denomBytes); |
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} |
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if ($bytesSessions > 0) { |
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$labels[] = get_lang('Session').' ('.$this->formatBytes($bytesSessions).')'; |
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$data[] = $this->pct($bytesSessions, $denomBytes); |
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} |
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if ($bytesGroups > 0) { |
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$labels[] = get_lang('Group').' ('.$this->formatBytes($bytesGroups).')'; |
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$data[] = $this->pct($bytesGroups, $denomBytes); |
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} |
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$labels[] = get_lang('Available space').' ('.$this->formatBytes($availableBytes).')'; |
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$data[] = $this->pct($availableBytes, $denomBytes); |
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return new JsonResponse([ |
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'datasets' => [ |
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['data' => $data], |
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], |
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'labels' => $labels, |
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]); |
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} |
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private function pct(int $part, int $total): float |
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{ |
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if ($total <= 0) { |
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return 0.0; |
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} |
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return round(($part / $total) * 100, 2); |
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} |
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private function formatBytes(int $bytes): string |
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{ |
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// Simple dependency-free formatter for API responses. |
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$units = ['B', 'KB', 'MB', 'GB', 'TB']; |
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$size = (float) max($bytes, 0); |
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$i = 0; |
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$max = count($units) - 1; |
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while ($size >= 1024 && $i < $max) { |
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$size /= 1024; |
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$i++; |
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} |
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return round($size, 2).' '.$units[$i]; |
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} |
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} |
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chamilo /
chamilo-lms
