Initial Ladill Transfer app — file sharing with QR links.

Scaffolded from the Ladill mini/events extraction pattern: multi-file transfers, retention controls, public landing pages, analytics, and Gitea deploy workflow. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-08 09:25:30 +00:00
commit c1e3d8b3ac
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+<?php
+
+namespace App\Http\Controllers\Transfer;
+
+use App\Http\Controllers\Controller;
+use App\Models\Transfer;
+use App\Services\Qr\QrImageGeneratorService;
+use App\Services\Qr\QrPdfExporter;
+use App\Services\Transfer\TransferService;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
+use Illuminate\Support\Str;
+use Illuminate\View\View;
+use RuntimeException;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\StreamedResponse;
+
+class TransferController extends Controller
+{
+    public function __construct(
+        private TransferService $transfers,
+        private QrImageGeneratorService $imageGenerator,
+        private QrPdfExporter $pdfExporter,
+    ) {}
+
+    public function index(Request $request): View
+    {
+        $account = ladill_account();
+
+        $transfers = Transfer::query()
+            ->where('user_id', $account->id)
+            ->where('status', Transfer::STATUS_ACTIVE)
+            ->with(['qrCode', 'files'])
+            ->latest()
+            ->paginate(20);
+
+        return view('transfer.transfers.index', compact('transfers'));
+    }
+
+    public function create(): View
+    {
+        return view('transfer.transfers.create', [
+            'defaultRetentionDays' => (int) config('transfer.default_retention_days', 30),
+            'maxFiles' => (int) config('transfer.max_files_per_transfer', 20),
+            'pricePerGb' => (float) config('transfer.price_per_gb_month', 1.0),
+        ]);
+    }
+
+    public function store(Request $request): RedirectResponse
+    {
+        $account = ladill_account();
+
+        $data = $request->validate([
+            'title' => 'required|string|max:120',
+            'message' => 'nullable|string|max:2000',
+            'password' => 'nullable|string|min:4|max:64',
+            'retention_days' => 'nullable|integer|min:1|max:365',
+            'files' => 'required|array|min:1',
+            'files.*' => 'required|file|max:'.((int) config('transfer.max_file_bytes', 524288000) / 1024),
+        ]);
+
+        try {
+            $transfer = $this->transfers->create($account, $data, $request->file('files', []));
+        } catch (RuntimeException $e) {
+            return back()->withInput()->with('error', $e->getMessage());
+        }
+
+        return redirect()
+            ->route('transfer.transfers.show', $transfer)
+            ->with('success', 'Transfer created. Share the link or QR code with recipients.');
+    }
+
+    public function show(Transfer $transfer): View
+    {
+        $this->authorizeTransfer($transfer);
+
+        $transfer->load(['files', 'qrCode']);
+        $previewDataUri = $transfer->qrCode
+            ? $this->imageGenerator->previewDataUri($transfer->qrCode)
+            : null;
+
+        return view('transfer.transfers.show', [
+            'transfer' => $transfer,
+            'previewDataUri' => $previewDataUri,
+        ]);
+    }
+
+    public function destroy(Transfer $transfer): RedirectResponse
+    {
+        $this->authorizeTransfer($transfer);
+
+        $this->transfers->delete($transfer);
+
+        return redirect()
+            ->route('transfer.transfers.index')
+            ->with('success', 'Transfer deleted.');
+    }
+
+    public function preview(Transfer $transfer): Response
+    {
+        $this->authorizeTransfer($transfer);
+        $qrCode = $transfer->qrCode;
+        abort_unless($qrCode, 404);
+
+        $qrCode = $this->imageGenerator->ensureValidImages($qrCode);
+        $bytes = $this->imageGenerator->normalizeStoredPng($qrCode->png_path);
+
+        if ($bytes === null) {
+            $bytes = $this->imageGenerator->renderPng($qrCode->encodedPayload(), $qrCode->style());
+            $this->imageGenerator->generateAndStore($qrCode);
+        }
+
+        return response($bytes, 200, [
+            'Content-Type' => 'image/png',
+            'Cache-Control' => 'private, max-age=3600',
+        ]);
+    }
+
+    public function download(Transfer $transfer, string $format): StreamedResponse
+    {
+        $this->authorizeTransfer($transfer);
+        $qrCode = $transfer->qrCode;
+        abort_unless($qrCode, 404);
+
+        $qrCode = $this->imageGenerator->ensureValidImages($qrCode);
+        $filename = Str::slug($qrCode->label).'-qr.'.($format === 'svg' ? 'svg' : 'png');
+
+        if ($format === 'png') {
+            $bytes = $this->imageGenerator->normalizeStoredPng($qrCode->png_path);
+            if ($bytes === null) {
+                $bytes = $this->imageGenerator->renderPng($qrCode->encodedPayload(), $qrCode->style());
+                $this->imageGenerator->generateAndStore($qrCode);
+            }
+
+            return response()->streamDownload(fn () => print($bytes), $filename, [
+                'Content-Type' => 'image/png',
+            ]);
+        }
+
+        if ($format === 'svg') {
+            abort_unless($qrCode->svg_path, 404);
+
+            return response()->streamDownload(
+                fn () => print(file_get_contents(storage_path('app/private/qr/'.$qrCode->svg_path))),
+                $filename,
+                ['Content-Type' => 'image/svg+xml'],
+            );
+        }
+
+        return $this->pdfExporter->download($qrCode);
+    }
+
+    private function authorizeTransfer(Transfer $transfer): void
+    {
+        abort_unless($transfer->user_id === ladill_account()->id, 403);
+    }
+}