Devuelve las primeras n paginas del documento pasado

app/Http/Controllers/FileUploadController.php

@@ -12,12 +12,13 @@ class FileUploadController extends Controller {
     public function fileUploadPost(Request $request)
     {
         $request->validate([
-            'file' => 'required|mimes:pdf|max:2048',
+            'archivo' => 'required|mimes:pdf|max:2048',
+            'bookletsize' => 'min:1'
         ]);
 
-        $fileName = time().'.'.$request->file->extension();
+        $fileName = time().'.'.$request->archivo->extension();
-        $request->file->move(public_path('uploads'), $fileName);
+        $request->archivo->move(public_path('uploads'), $fileName);
 
-        return redirect()->route("process", ['fileName' => $fileName]);
+        return redirect()->route("process", ['fileName' => $fileName, 'size' => $request->bookletsize]);
     }
 }

app/Http/Controllers/LibrilladoraController.php

@@ -3,13 +3,12 @@
 namespace App\Http\Controllers;
 
 use App\Models\Librilladora;
-use Illuminate\Http\Request;
 
 class LibrilladoraController extends Controller
 {
     //
-    public function process($fileName) {
+    public function __invoke($fileName, $size) {
         $lib = new Librilladora();
-        $lib->prueba($fileName);
+        $lib->prueba($fileName, $size);
     }
 }

app/Models/Librilladora.php

@@ -10,24 +10,20 @@ class Librilladora extends Model {
     use HasFactory;
 
 
-    public function prueba(string $fileName) {
+    public function prueba($fileName, $size) {
-        $mpdf = new \Mpdf\Mpdf();
-
-//        // Write some HTML code:
-//        $mpdf->WriteHTML($nombre);
-//
-//        // Output a PDF file directly to the browser
-//        $mpdf->Output();
-//
-//        // Require composer autoload
-//        require_once __DIR__ . '/vendor/autoload.php';
         $file = 'uploads/'.$fileName;
-        $mpdf->SetSourceFile($file);
+
-        $tplId = $mpdf->importPage(1);
+        $mpdf = new \Mpdf\Mpdf();
+        $pagecount = $mpdf->SetSourceFile($file);
+        $fin = ($size < $pagecount) ? $size : $pagecount;
+        for ($i = 1; $i <= $fin; $i++) {
+            $tplId = $mpdf->importPage($i);
             $mpdf->useTemplate($tplId);
-        File::delete($file);
+            if ($i != $fin) $mpdf->AddPage();
+        }
 
         $mpdf->Output();
-
+        File::delete($file);
     }
 }
+

resources/views/welcome.blade.php

@@ -47,10 +47,10 @@
                     <div class="p-6">
                         <form id="archivo" action="{{ route('file.upload.post') }}" method="POST" enctype="multipart/form-data">
                             @csrf
-                            <input required name="file" type="file" class="formulario">
+                            <input required name="archivo" type="file" class="formulario">
                             <div class="labeled-input">
-                                <label for="booklet-size">Tamaño de los librillos</label>
+                                <label for="bookletsize">Tamaño de los librillos</label>
-                                <input name="booklet-size" type="number" min=0 value=20 class="formulario numero-input">
+                                <input name="bookletsize" type="number" min=1 value=20 class="formulario numero-input">
                             </div>
                             <input type="submit" value="Cargar archivo">
                         </form>

routes/web.php

@@ -19,6 +19,6 @@ Route::get('/', function () {
     return view('welcome');
 });
 
-Route::get('/processed/{fileName}', [LibrilladoraController::class, 'process'])->name('process');
+Route::get('/processed/{fileName}/{size}', LibrilladoraController::class)->name('process');
 
 Route::post('file-upload', [FileUploadController::class, 'fileUploadPost'])->name('file.upload.post');