Faza 8: PDF generation pentru fișa lucru (DomPDF)

- barryvdh/laravel-dompdf instalat
- WorkOrderPdfService: încarcă WO cu toate relațiile (works/parts/payments),
  embed-ează logo ca data URI, foloseste theme_color din settings
- Blade template /resources/views/pdf/work-order.blade.php:
  - Header cu logo + date companie + nr fișă + data
  - Box-uri client + auto (kilometraj/VIN/plate)
  - Plângere + diagnostic
  - Tabel manopere (h, preț/h, total) cu maistru pe fiecare rând
  - Tabel piese (cod, brand, qty, preț, total)
  - Box total cu discount + plăți efectuate + rest de achitat
  - Block recomandări cu fundal galben (warning)
  - Linii semnătură client + maistru
  - Footer cu timestamp generare
- Action 'PDF' (icon descărcare) pe rând în lista de WO
- Action 'Descarcă PDF' în header-ul paginii Edit WO

app/Filament/Tenant/Resources/WorkOrderResource.php

@@ -134,6 +134,19 @@ class WorkOrderResource extends Resource
                     ->options(fn () => User::pluck('name', 'id')),
             ])
             ->actions([
+                Actions\Action::make('pdf')
+                    ->label('PDF')
+                    ->icon('heroicon-m-document-arrow-down')
+                    ->color('gray')
+                    ->action(function (WorkOrder $r) {
+                        $svc = app(\App\Services\WorkOrderPdfService::class);
+                        $pdf = $svc->generate($r);
+                        $filename = $svc->filename($r);
+                        return response()->streamDownload(
+                            fn () => print($pdf->output()),
+                            $filename
+                        );
+                    }),
                 Actions\EditAction::make(),
                 Actions\DeleteAction::make(),
             ])

app/Filament/Tenant/Resources/WorkOrderResource/Pages/EditWorkOrder.php

@@ -3,6 +3,8 @@
 namespace App\Filament\Tenant\Resources\WorkOrderResource\Pages;
 
 use App\Filament\Tenant\Resources\WorkOrderResource;
+use App\Models\Tenant\WorkOrder;
+use App\Services\WorkOrderPdfService;
 use Filament\Actions;
 use Filament\Resources\Pages\EditRecord;
 
@@ -12,6 +14,22 @@ class EditWorkOrder extends EditRecord
 
     protected function getHeaderActions(): array
     {
-        return [Actions\DeleteAction::make()];
+        return [
+            Actions\Action::make('pdf')
+                ->label('Descarcă PDF')
+                ->icon('heroicon-m-document-arrow-down')
+                ->color('gray')
+                ->action(function () {
+                    /** @var WorkOrder $wo */
+                    $wo = $this->record;
+                    $svc = app(WorkOrderPdfService::class);
+                    $pdf = $svc->generate($wo);
+                    return response()->streamDownload(
+                        fn () => print($pdf->output()),
+                        $svc->filename($wo)
+                    );
+                }),
+            Actions\DeleteAction::make(),
+        ];
     }
 }

app/Services/WorkOrderPdfService.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\Tenant\WorkOrder;
+use Barryvdh\DomPDF\Facade\Pdf;
+
+class WorkOrderPdfService
+{
+    public function generate(WorkOrder $wo): \Barryvdh\DomPDF\PDF
+    {
+        $wo->load(['client', 'vehicle', 'master', 'works.master', 'parts', 'payments']);
+        $company = $wo->company ?: \App\Models\Central\Company::find($wo->company_id);
+
+        $themeColor = $company?->settings['theme_color'] ?? '#3B82F6';
+        $currency = $company?->settings['currency'] ?? 'MDL';
+        $worksTotal = (float) $wo->works->sum('total');
+        $partsTotal = (float) $wo->parts->sum('total');
+        $paid = (float) $wo->payments->sum('amount');
+        $balance = max(0, (float) $wo->total - $paid);
+
+        // Embed logo as data URI (DomPDF can't fetch external URLs reliably).
+        $logoData = null;
+        if ($company && ($logoMedia = $company->getFirstMedia('logo'))) {
+            try {
+                $path = $logoMedia->getPath();
+                if (file_exists($path)) {
+                    $mime = mime_content_type($path) ?: 'image/png';
+                    $logoData = 'data:' . $mime . ';base64,' . base64_encode(file_get_contents($path));
+                }
+            } catch (\Throwable $e) {
+                $logoData = null;
+            }
+        }
+
+        return Pdf::loadView('pdf.work-order', [
+            'wo' => $wo,
+            'company' => $company,
+            'themeColor' => $themeColor,
+            'currency' => $currency,
+            'worksTotal' => $worksTotal,
+            'partsTotal' => $partsTotal,
+            'paid' => $paid,
+            'balance' => $balance,
+            'logoData' => $logoData,
+        ])->setPaper('A4');
+    }
+
+    public function filename(WorkOrder $wo): string
+    {
+        return 'WO-' . $wo->number . '-' . optional($wo->opened_at)->format('Ymd') . '.pdf';
+    }
+}