Datei-Upload: Mehrfach-Upload mit Drag & Drop und Dateiliste

- Upload-Formular unterstützt jetzt mehrere Dateien gleichzeitig
- Drag & Drop oder Klick zum Auswählen (mehrfach möglich)
- Dateiliste mit Dateiname, Größe, individueller Kategorie-Auswahl
  und Entfernen-Button pro Datei
- Standard-Kategorie kann oben gewählt werden, individuelle
  Kategorie pro Datei ist optional überschreibbar
- Controller verarbeitet Array von Dateien (je max. 10 MB)
- Übersetzungen in allen 6 Sprachen ergänzt

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/Http/Controllers/Admin/FileController.php

@@ -52,18 +52,33 @@ class FileController extends Controller
         }
 
         $request->validate([
-            'file' => ['required', 'file', 'max:10240', 'mimes:pdf,docx,xlsx,jpg,jpeg,png,gif,webp'],
+            'files' => ['required', 'array', 'min:1'],
-            'file_category_id' => ['required', 'exists:file_categories,id'],
+            'files.*' => ['file', 'max:10240', 'mimes:pdf,docx,xlsx,jpg,jpeg,png,gif,webp'],
+            'categories' => ['required', 'array', 'min:1'],
+            'categories.*' => ['required', 'exists:file_categories,id'],
         ]);
 
-        $uploadedFile = $request->file('file');
+        $uploadedFiles = $request->file('files', []);
+        $categories = $request->input('categories', []);
+        $count = 0;
+
+        foreach ($uploadedFiles as $index => $uploadedFile) {
+            if (!$uploadedFile || !$uploadedFile->isValid()) {
+                continue;
+            }
+
+            $categoryId = $categories[$index] ?? null;
+            if (!$categoryId) {
+                continue;
+            }
+
             $extension = $uploadedFile->guessExtension();
             $storedName = Str::uuid() . '.' . $extension;
 
             Storage::disk('local')->putFileAs('files', $uploadedFile, $storedName);
 
             $file = new File([
-            'file_category_id' => $request->file_category_id,
+                'file_category_id' => $categoryId,
                 'original_name' => $uploadedFile->getClientOriginalName(),
                 'mime_type' => $uploadedFile->getClientMimeType(),
                 'size' => $uploadedFile->getSize(),
@@ -74,9 +89,15 @@ class FileController extends Controller
             $file->save();
 
             ActivityLog::logWithChanges('uploaded', __('admin.log_file_uploaded', ['name' => $file->original_name]), 'File', $file->id, null, ['name' => $file->original_name, 'category' => $file->category->name ?? '']);
+            $count++;
+        }
+
+        $message = $count === 1
+            ? __('admin.file_uploaded')
+            : __('admin.files_uploaded', ['count' => $count]);
 
         return redirect()->route('admin.files.index')
-            ->with('success', __('admin.file_uploaded'));
+            ->with('success', $message);
     }
 
     public function destroy(File $file): RedirectResponse

lang/ar/admin.php

@@ -194,6 +194,12 @@ return [
     'files_title' => 'إدارة الملفات',
     'upload_file' => 'رفع ملف',
     'file_uploaded' => 'تم رفع الملف.',
+    'upload_files' => 'رفع الملفات',
+    'files_uploaded' => 'تم رفع :count ملفات.',
+    'select_files' => 'اختيار الملفات',
+    'drag_or_click_files' => 'اسحب الملفات هنا أو انقر للاختيار',
+    'files_selected' => 'ملف(ات) محددة',
+    'select_category_for_all' => 'يرجى اختيار فئة لجميع الملفات.',
     'file_deleted' => 'تم حذف الملف.',
     'file_category' => 'الفئة',
     'select_category' => 'اختر الفئة',

lang/de/admin.php

@@ -225,6 +225,12 @@ return [
     'files_title' => 'Dateiverwaltung',
     'upload_file' => 'Datei hochladen',
     'file_uploaded' => 'Datei wurde hochgeladen.',
+    'upload_files' => 'Dateien hochladen',
+    'files_uploaded' => ':count Dateien wurden hochgeladen.',
+    'select_files' => 'Dateien auswählen',
+    'drag_or_click_files' => 'Dateien hierher ziehen oder klicken zum Auswählen',
+    'files_selected' => 'Datei(en) ausgewählt',
+    'select_category_for_all' => 'Bitte wählen Sie für alle Dateien eine Kategorie.',
     'file_deleted' => 'Datei wurde gelöscht.',
     'file_category' => 'Kategorie',
     'select_category' => 'Kategorie wählen',

lang/en/admin.php

@@ -193,6 +193,12 @@ return [
     'files_title' => 'File Management',
     'upload_file' => 'Upload File',
     'file_uploaded' => 'File has been uploaded.',
+    'upload_files' => 'Upload Files',
+    'files_uploaded' => ':count files have been uploaded.',
+    'select_files' => 'Select Files',
+    'drag_or_click_files' => 'Drag files here or click to select',
+    'files_selected' => 'file(s) selected',
+    'select_category_for_all' => 'Please select a category for all files.',
     'file_deleted' => 'File has been deleted.',
     'file_category' => 'Category',
     'select_category' => 'Select category',

lang/pl/admin.php

@@ -194,6 +194,12 @@ return [
     'files_title' => 'Zarządzanie plikami',
     'upload_file' => 'Prześlij plik',
     'file_uploaded' => 'Plik został przesłany.',
+    'upload_files' => 'Prześlij pliki',
+    'files_uploaded' => 'Przesłano :count plików.',
+    'select_files' => 'Wybierz pliki',
+    'drag_or_click_files' => 'Przeciągnij pliki tutaj lub kliknij, aby wybrać',
+    'files_selected' => 'plik(ów) wybranych',
+    'select_category_for_all' => 'Proszę wybrać kategorię dla wszystkich plików.',
     'file_deleted' => 'Plik został usunięty.',
     'file_category' => 'Kategoria',
     'select_category' => 'Wybierz kategorię',

lang/ru/admin.php

@@ -212,6 +212,12 @@ return [
     'files_title' => 'Управление файлами',
     'upload_file' => 'Загрузить файл',
     'file_uploaded' => 'Файл был загружен.',
+    'upload_files' => 'Загрузить файлы',
+    'files_uploaded' => 'Загружено файлов: :count.',
+    'select_files' => 'Выбрать файлы',
+    'drag_or_click_files' => 'Перетащите файлы сюда или нажмите для выбора',
+    'files_selected' => 'файл(ов) выбрано',
+    'select_category_for_all' => 'Пожалуйста, выберите категорию для всех файлов.',
     'file_deleted' => 'Файл был удалён.',
     'file_category' => 'Категория',
     'select_category' => 'Выберите категорию',

lang/tr/admin.php

@@ -212,6 +212,12 @@ return [
     'files_title' => 'Dosya Yönetimi',
     'upload_file' => 'Dosya Yükle',
     'file_uploaded' => 'Dosya yüklendi.',
+    'upload_files' => 'Dosyaları Yükle',
+    'files_uploaded' => ':count dosya yüklendi.',
+    'select_files' => 'Dosyaları Seç',
+    'drag_or_click_files' => 'Dosyaları buraya sürükleyin veya seçmek için tıklayın',
+    'files_selected' => 'dosya seçildi',
+    'select_category_for_all' => 'Lütfen tüm dosyalar için bir kategori seçin.',
     'file_deleted' => 'Dosya silindi.',
     'file_category' => 'Kategori',
     'select_category' => 'Kategori seçin',

resources/views/admin/files/create.blade.php

@@ -1,47 +1,119 @@
 <x-layouts.admin :title="__('admin.upload_file')">
     <h1 class="text-2xl font-bold mb-6">{{ __('admin.upload_file') }}</h1>
 
-    <div class="bg-white rounded-lg shadow p-6 max-w-lg">
+    <div class="bg-white rounded-lg shadow p-6 max-w-2xl">
-        <form method="POST" action="{{ route('admin.files.store') }}" enctype="multipart/form-data">
+        <form method="POST" action="{{ route('admin.files.store') }}" enctype="multipart/form-data"
+              x-data="{
+                  files: [],
+                  dragging: false,
+                  defaultCategory: '',
+                  addFiles(fileList) {
+                      for (const f of fileList) {
+                          if (f.size > 10485760) continue;
+                          this.files.push({ file: f, name: f.name, size: f.size, category: this.defaultCategory });
+                      }
+                  },
+                  removeFile(index) {
+                      this.files.splice(index, 1);
+                  },
+                  humanSize(bytes) {
+                      if (bytes < 1024) return bytes + ' B';
+                      if (bytes < 1048576) return (bytes / 1024).toFixed(1) + ' KB';
+                      return (bytes / 1048576).toFixed(1) + ' MB';
+                  }
+              }">
             @csrf
 
+            {{-- Standard-Kategorie --}}
             <div class="mb-4">
-                <label for="file_category_id" class="block text-sm font-medium text-gray-700 mb-1">{{ __('admin.file_category') }} *</label>
+                <label for="default_category" class="block text-sm font-medium text-gray-700 mb-1">{{ __('admin.file_category') }} *</label>
-                <select name="file_category_id" id="file_category_id" required class="w-full px-3 py-2 border border-gray-300 rounded-md">
+                <select id="default_category" x-model="defaultCategory" class="w-full px-3 py-2 border border-gray-300 rounded-md">
                     <option value="">{{ __('admin.select_category') }}</option>
                     @foreach ($categories as $cat)
-                        <option value="{{ $cat->id }}" {{ old('file_category_id') == $cat->id ? 'selected' : '' }}>{{ $cat->name }}</option>
+                        <option value="{{ $cat->id }}">{{ $cat->name }}</option>
                     @endforeach
                 </select>
-                @error('file_category_id')<p class="mt-1 text-sm text-red-600">{{ $message }}</p>@enderror
             </div>
 
+            {{-- Drag & Drop Zone --}}
             <div class="mb-4">
-                <label for="file" class="block text-sm font-medium text-gray-700 mb-1">{{ __('admin.upload_file') }} *</label>
+                <label class="block text-sm font-medium text-gray-700 mb-1">{{ __('admin.select_files') }}</label>
-                <div x-data="{ fileName: '', dragging: false }" class="relative">
                 <div
                     @dragover.prevent="dragging = true"
                     @dragleave.prevent="dragging = false"
-                        @drop.prevent="dragging = false; $refs.fileInput.files = $event.dataTransfer.files; fileName = $refs.fileInput.files[0]?.name || ''"
+                    @drop.prevent="dragging = false; addFiles($event.dataTransfer.files)"
                     :class="dragging ? 'border-blue-400 bg-blue-50' : 'border-gray-300'"
                     class="border-2 border-dashed rounded-lg p-8 text-center cursor-pointer hover:border-blue-400 transition-colors"
                     @click="$refs.fileInput.click()">
                     <svg class="mx-auto h-10 w-10 text-gray-400" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                         <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M3 16.5v2.25A2.25 2.25 0 005.25 21h13.5A2.25 2.25 0 0021 18.75V16.5m-13.5-9L12 3m0 0l4.5 4.5M12 3v13.5" />
                     </svg>
-                        <p class="mt-2 text-sm text-gray-600" x-show="!fileName">{{ __('admin.allowed_file_types') }}</p>
+                    <p class="mt-2 text-sm text-gray-600" x-show="!files.length">{{ __('admin.drag_or_click_files') }}</p>
-                        <p class="mt-1 text-xs text-gray-500" x-show="!fileName">{{ __('admin.max_file_size') }}</p>
+                    <p class="mt-1 text-xs text-gray-500" x-show="!files.length">{{ __('admin.allowed_file_types') }} · {{ __('admin.max_file_size') }}</p>
-                        <p class="mt-2 text-sm font-medium text-blue-600" x-show="fileName" x-text="fileName"></p>
+                    <p class="mt-2 text-sm font-medium text-blue-600" x-show="files.length" x-text="files.length + ' {{ __('admin.files_selected') }}'"></p>
                 </div>
-                    <input type="file" name="file" id="file" x-ref="fileInput" class="hidden"
+                <input type="file" x-ref="fileInput" class="hidden" multiple
                     accept=".pdf,.docx,.xlsx,.jpg,.jpeg,.png,.gif,.webp"
-                        @change="fileName = $refs.fileInput.files[0]?.name || ''">
+                    @change="addFiles($refs.fileInput.files); $refs.fileInput.value = ''">
-                </div>
+                @error('files')<p class="mt-1 text-sm text-red-600">{{ $message }}</p>@enderror
-                @error('file')<p class="mt-1 text-sm text-red-600">{{ $message }}</p>@enderror
+                @error('files.*')<p class="mt-1 text-sm text-red-600">{{ $message }}</p>@enderror
+                @error('categories')<p class="mt-1 text-sm text-red-600">{{ $message }}</p>@enderror
+                @error('categories.*')<p class="mt-1 text-sm text-red-600">{{ $message }}</p>@enderror
             </div>
 
+            {{-- Datei-Liste --}}
+            <template x-if="files.length > 0">
+                <div class="mb-4 space-y-2">
+                    <template x-for="(f, index) in files" :key="index">
+                        <div class="flex items-center gap-3 bg-gray-50 rounded-md px-3 py-2">
+                            <div class="flex-1 min-w-0">
+                                <p class="text-sm font-medium text-gray-800 truncate" x-text="f.name"></p>
+                                <p class="text-xs text-gray-500" x-text="humanSize(f.size)"></p>
+                            </div>
+                            <select x-model="f.category" class="px-2 py-1 border border-gray-300 rounded-md text-sm shrink-0">
+                                <option value="">{{ __('admin.select_category') }}</option>
+                                @foreach ($categories as $cat)
+                                    <option value="{{ $cat->id }}">{{ $cat->name }}</option>
+                                @endforeach
+                            </select>
+                            <button type="button" @click="removeFile(index)" class="text-red-500 hover:text-red-700 shrink-0">
+                                <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/></svg>
+                            </button>
+                        </div>
+                    </template>
+                </div>
+            </template>
+
+            {{-- Hidden Inputs für tatsächlichen Upload --}}
+            <input type="file" name="files[]" x-ref="submitFiles" class="hidden" multiple>
+
             <div class="flex items-center gap-3">
-                <button type="submit" class="bg-blue-600 text-white px-4 py-2 rounded-md hover:bg-blue-700 text-sm font-medium">{{ __('admin.upload_file') }}</button>
+                <button type="submit" class="bg-blue-600 text-white px-4 py-2 rounded-md hover:bg-blue-700 text-sm font-medium"
+                    :disabled="!files.length"
+                    :class="!files.length ? 'opacity-50 cursor-not-allowed' : ''"
+                    @click.prevent="
+                        const dt = new DataTransfer();
+                        const catValues = [];
+                        let valid = true;
+                        files.forEach(f => {
+                            const cat = f.category || defaultCategory;
+                            if (!cat) { valid = false; }
+                            dt.items.add(f.file);
+                            catValues.push(cat);
+                        });
+                        if (!valid) { alert('{{ __('admin.select_category_for_all') }}'); return; }
+                        $refs.submitFiles.files = dt.files;
+                        catValues.forEach((c, i) => {
+                            const input = document.createElement('input');
+                            input.type = 'hidden';
+                            input.name = 'categories[' + i + ']';
+                            input.value = c;
+                            $el.closest('form').appendChild(input);
+                        });
+                        $el.closest('form').submit();
+                    ">
+                    {{ __('admin.upload_files') }}
+                </button>
                 <a href="{{ route('admin.files.index') }}" class="text-sm text-gray-600 hover:underline">{{ __('ui.cancel') }}</a>
             </div>
         </form>