102 lines
3.1 KiB
PHP
102 lines
3.1 KiB
PHP
<?php
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namespace App\Services;
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use App\Models\Service;
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use Illuminate\Support\Facades\Storage;
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use InvalidArgumentException;
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use ProPresenter\Parser\ProFileGenerator;
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use RuntimeException;
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use ZipArchive;
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class ProBundleExportService
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{
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private const ALLOWED_BLOCK_TYPES = ['information', 'moderation', 'sermon'];
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public function generateBundle(Service $service, string $blockType): string
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{
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if (! in_array($blockType, self::ALLOWED_BLOCK_TYPES, true)) {
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throw new InvalidArgumentException('Ungültiger Blocktyp für .probundle Export.');
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}
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$slides = $service->slides()
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->where('type', $blockType)
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->orderBy('sort_order')
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->get();
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$groupName = ucfirst($blockType);
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$slideData = [];
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$mediaFiles = [];
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foreach ($slides as $slide) {
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$sourcePath = Storage::disk('public')->path('slides/'.$slide->stored_filename);
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if (! file_exists($sourcePath)) {
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continue;
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}
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$imageFilename = basename($slide->stored_filename);
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$imageContent = file_get_contents($sourcePath);
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if ($imageContent === false) {
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continue;
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}
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$mediaFiles[$imageFilename] = $imageContent;
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$slideData[] = [
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'text' => $slide->original_filename ?? '',
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'media' => $imageFilename,
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'format' => 'JPG',
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];
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}
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$groups = [
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[
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'name' => $groupName,
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'color' => [0, 0, 0, 1],
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'slides' => $slideData,
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],
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];
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$arrangements = [
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[
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'name' => 'normal',
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'groupNames' => [$groupName],
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],
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];
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$song = ProFileGenerator::generate($groupName, $groups, $arrangements);
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$protoBytes = $song->getPresentation()->serializeToString();
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$bundlePath = sys_get_temp_dir().'/'.uniqid($blockType.'-').'.probundle';
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$zip = new ZipArchive;
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$openResult = $zip->open($bundlePath, ZipArchive::CREATE | ZipArchive::OVERWRITE);
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if ($openResult !== true) {
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throw new InvalidArgumentException('Konnte .probundle nicht erstellen.');
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}
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$this->addStoredEntry($zip, 'data', $protoBytes);
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foreach ($mediaFiles as $filename => $contents) {
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$this->addStoredEntry($zip, $filename, $contents);
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}
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if (! $zip->close()) {
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throw new RuntimeException('Fehler beim Finalisieren der .probundle Datei.');
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}
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return $bundlePath;
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}
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private function addStoredEntry(ZipArchive $zip, string $entryName, string $contents): void
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{
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if (! $zip->addFromString($entryName, $contents)) {
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throw new RuntimeException(sprintf('Fehler beim Hinzufügen von %s zur .probundle Datei.', $entryName));
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}
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if (! $zip->setCompressionName($entryName, ZipArchive::CM_STORE)) {
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throw new RuntimeException(sprintf('Fehler beim Setzen der Kompression für %s.', $entryName));
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}
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}
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}
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