Featured artworks thumbnails
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<?php
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declare(strict_types=1);
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namespace App\Http\Controllers\Settings;
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use App\Http\Controllers\Controller;
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use Illuminate\Support\Collection;
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use Illuminate\Support\Facades\Cache;
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use Illuminate\Http\JsonResponse;
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use Illuminate\Http\Request;
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use Illuminate\Http\UploadedFile;
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use Illuminate\Support\Facades\Storage;
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use Illuminate\Support\Str;
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use Intervention\Image\Drivers\Gd\Driver as GdDriver;
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use Intervention\Image\Drivers\Imagick\Driver as ImagickDriver;
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use Intervention\Image\Encoders\WebpEncoder;
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use Intervention\Image\ImageManager;
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use RuntimeException;
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final class AcademyLessonMediaApiController extends Controller
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{
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private const ALLOWED_MIME_TYPES = ['image/jpeg', 'image/png', 'image/webp'];
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private const MAX_FILE_SIZE_KB = 6144;
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private const ASSET_CACHE_TTL_MINUTES = 15;
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private ?ImageManager $manager = null;
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public function __construct()
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{
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try {
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$this->manager = extension_loaded('gd')
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? new ImageManager(new GdDriver())
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: new ImageManager(new ImagickDriver());
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} catch (\Throwable) {
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$this->manager = null;
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}
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}
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public function store(Request $request): JsonResponse
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{
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$this->authorizeStaff($request);
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$validated = $request->validate([
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'slot' => ['nullable', 'string', 'in:cover,body'],
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'image' => [
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'required',
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'file',
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'image',
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'max:' . self::MAX_FILE_SIZE_KB,
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'mimes:jpg,jpeg,png,webp',
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'mimetypes:image/jpeg,image/png,image/webp',
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],
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]);
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/** @var UploadedFile $file */
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$file = $validated['image'];
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$slot = $this->normalizeSlot($validated['slot'] ?? null);
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try {
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$stored = $this->storeMediaFile($file, $slot);
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$this->forgetAssetCache();
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return response()->json([
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'success' => true,
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'slot' => $slot,
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'path' => $stored['path'],
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'url' => $this->publicUrlForPath($stored['path']),
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'width' => $stored['width'],
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'height' => $stored['height'],
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'mime_type' => 'image/webp',
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'size_bytes' => $stored['size_bytes'],
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]);
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} catch (RuntimeException $e) {
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return response()->json([
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'error' => 'Validation failed',
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'message' => $e->getMessage(),
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], 422);
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} catch (\Throwable $e) {
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logger()->error('Academy lesson media upload failed', [
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'user_id' => (int) ($request->user()?->id ?? 0),
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'message' => $e->getMessage(),
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]);
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return response()->json([
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'error' => 'Upload failed',
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'message' => 'Could not upload lesson media right now.',
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], 500);
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}
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}
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public function destroy(Request $request): JsonResponse
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{
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$this->authorizeStaff($request);
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$validated = $request->validate([
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'path' => ['required', 'string', 'max:2048'],
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]);
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$this->deleteMediaFile((string) $validated['path']);
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$this->forgetAssetCache();
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return response()->json([
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'success' => true,
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]);
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}
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public function assets(Request $request): JsonResponse
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{
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$this->authorizeStaff($request);
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$validated = $request->validate([
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'limit' => ['nullable', 'integer', 'min:1', 'max:48'],
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'page' => ['nullable', 'integer', 'min:1'],
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'q' => ['nullable', 'string', 'max:100'],
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]);
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$limit = (int) ($validated['limit'] ?? 24);
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$page = (int) ($validated['page'] ?? 1);
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$query = Str::lower(trim((string) ($validated['q'] ?? '')));
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$manifest = $this->academyAssetManifest();
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if ($query !== '') {
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$manifest = $manifest->filter(function (array $item) use ($query): bool {
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return Str::contains($item['search_text'], $query);
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})->values();
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}
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$total = $manifest->count();
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$lastPage = max(1, (int) ceil(max($total, 1) / max($limit, 1)));
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$page = min(max($page, 1), $lastPage);
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$items = $manifest
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->forPage($page, $limit)
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->values()
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->map(function (array $item): array {
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return [
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'path' => $item['path'],
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'url' => $item['url'],
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'name' => $item['name'],
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'slot' => $item['slot'],
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'modified_at' => $item['modified_at'] ? now()->setTimestamp($item['modified_at'])->toIso8601String() : null,
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];
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})
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->all();
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return response()->json([
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'success' => true,
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'items' => $items,
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'pagination' => [
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'page' => $page,
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'per_page' => $limit,
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'total' => $total,
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'last_page' => $lastPage,
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'has_more' => $page < $lastPage,
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],
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]);
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}
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/**
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* @return array{path:string,width:int,height:int,size_bytes:int}
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*/
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private function storeMediaFile(UploadedFile $file, string $slot): array
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{
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$this->assertImageManager();
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$this->assertStorageIsAllowed();
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$constraints = $this->mediaConstraints($slot);
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$uploadPath = (string) ($file->getRealPath() ?: $file->getPathname());
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if ($uploadPath === '' || ! is_readable($uploadPath)) {
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throw new RuntimeException('Unable to resolve uploaded image path.');
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}
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$raw = file_get_contents($uploadPath);
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if ($raw === false || $raw === '') {
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throw new RuntimeException('Unable to read uploaded image.');
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}
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$finfo = new \finfo(FILEINFO_MIME_TYPE);
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$mime = strtolower((string) $finfo->buffer($raw));
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if (! in_array($mime, self::ALLOWED_MIME_TYPES, true)) {
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throw new RuntimeException('Unsupported image mime type.');
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}
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$size = @getimagesizefromstring($raw);
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if (! is_array($size) || ($size[0] ?? 0) < 1 || ($size[1] ?? 0) < 1) {
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throw new RuntimeException('Uploaded file is not a valid image.');
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}
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$width = (int) ($size[0] ?? 0);
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$height = (int) ($size[1] ?? 0);
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if ($width < $constraints['min_width'] || $height < $constraints['min_height']) {
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throw new RuntimeException(sprintf(
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'Image is too small. Minimum required size is %dx%d.',
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$constraints['min_width'],
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$constraints['min_height'],
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));
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}
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$image = $this->manager->read($raw)->scaleDown(width: $constraints['max_width'], height: $constraints['max_height']);
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$encoded = (string) $image->encode(new WebpEncoder(85));
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$hash = hash('sha256', $encoded);
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$path = $this->mediaPath($hash, $slot);
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$disk = Storage::disk($this->mediaDiskName());
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$written = $disk->put($path, $encoded, [
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'visibility' => 'public',
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'CacheControl' => 'public, max-age=31536000, immutable',
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'ContentType' => 'image/webp',
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]);
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if ($written !== true) {
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throw new RuntimeException('Unable to store image in object storage.');
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}
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return [
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'path' => $path,
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'width' => (int) $image->width(),
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'height' => (int) $image->height(),
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'size_bytes' => strlen($encoded),
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];
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}
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private function authorizeStaff(Request $request): void
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{
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abort_unless((bool) $request->user()?->hasStaffAccess(), 403);
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}
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private function mediaDiskName(): string
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{
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return (string) config('uploads.object_storage.disk', 's3');
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}
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private function mediaPath(string $hash, string $slot): string
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{
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$folder = $slot === 'body' ? 'body' : 'covers';
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return sprintf(
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'academy/lessons/%s/%s/%s/%s.webp',
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$folder,
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substr($hash, 0, 2),
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substr($hash, 2, 2),
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$hash,
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);
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}
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private function publicUrlForPath(string $path): string
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{
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return rtrim((string) config('cdn.files_url', 'https://files.skinbase.org'), '/') . '/' . ltrim($path, '/');
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}
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private function academyAssetManifest(): Collection
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{
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return Cache::remember($this->academyAssetCacheKey(), now()->addMinutes(self::ASSET_CACHE_TTL_MINUTES), function (): Collection {
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$disk = Storage::disk($this->mediaDiskName());
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return collect($disk->allFiles('academy/lessons'))
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->filter(fn (string $path): bool => Str::endsWith(Str::lower($path), ['.webp', '.jpg', '.jpeg', '.png']))
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->map(function (string $path) use ($disk): array {
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$modifiedAt = null;
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try {
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$modifiedAt = $disk->lastModified($path);
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} catch (\Throwable) {
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$modifiedAt = null;
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}
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$folder = Str::contains($path, '/body/') ? 'body' : (Str::contains($path, '/covers/') ? 'cover' : 'asset');
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return [
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'path' => $path,
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'url' => $this->publicUrlForPath($path),
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'name' => $this->humanAssetName($path),
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'slot' => $folder,
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'modified_at' => $modifiedAt ? (int) $modifiedAt : null,
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'search_text' => Str::lower(implode(' ', [$path, $folder, $this->humanAssetName($path)])),
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];
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})
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->sortByDesc(fn (array $item): int => (int) ($item['modified_at'] ?? 0))
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->values();
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});
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}
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private function academyAssetCacheKey(): string
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{
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return 'academy.lesson.assets.' . md5($this->mediaDiskName());
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}
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private function forgetAssetCache(): void
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{
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Cache::forget($this->academyAssetCacheKey());
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}
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private function humanAssetName(string $path): string
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{
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$filename = pathinfo($path, PATHINFO_FILENAME);
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$clean = trim(str_replace(['-', '_'], ' ', $filename));
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return $clean !== '' ? Str::headline($clean) : 'Academy image';
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}
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private function safeFileSize($disk, string $path): ?int
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{
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try {
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$size = $disk->size($path);
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return is_int($size) ? $size : null;
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} catch (\Throwable) {
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return null;
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}
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}
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private function deleteMediaFile(string $path): void
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{
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$trimmed = ltrim(trim($path), '/');
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if ($trimmed === '' || ! Str::startsWith($trimmed, ['academy/lessons/covers/', 'academy/lessons/body/'])) {
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return;
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}
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Storage::disk($this->mediaDiskName())->delete($trimmed);
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}
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private function normalizeSlot(mixed $slot): string
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{
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return Str::lower(trim((string) $slot)) === 'body' ? 'body' : 'cover';
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}
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/**
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* @return array{min_width:int,min_height:int,max_width:int,max_height:int}
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*/
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private function mediaConstraints(string $slot): array
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{
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if ($slot === 'body') {
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return [
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'min_width' => 64,
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'min_height' => 64,
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'max_width' => 2400,
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'max_height' => 2400,
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];
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}
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return [
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'min_width' => 1200,
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'min_height' => 630,
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'max_width' => 2200,
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'max_height' => 1400,
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];
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}
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private function assertImageManager(): void
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{
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if ($this->manager !== null) {
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return;
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}
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throw new RuntimeException('Image processing is not available on this environment.');
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}
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private function assertStorageIsAllowed(): void
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{
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$disk = Storage::disk($this->mediaDiskName());
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if (! method_exists($disk, 'put')) {
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throw new RuntimeException('Object storage is not configured for academy lesson uploads.');
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}
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}
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}
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