feat: add automatic item pickup slip printing via HP ePrint

app/Filament/Resources/CheckoutResource/Pages/CreateCheckout.php

@@ -9,4 +9,14 @@ use Filament\Resources\Pages\CreateRecord;
 class CreateCheckout extends CreateRecord
 {
     protected static string $resource = CheckoutResource::class;
+
+    protected function afterCreate(): void
+    {
+        try {
+            $printerService = app(\App\Services\PrinterService::class);
+            $printerService->printForCheckout($this->record);
+        } catch (\Exception $e) {
+            \Illuminate\Support\Facades\Log::error('Auto-print failed from Filament: ' . $e->getMessage());
+        }
+    }
 }

app/Http/Controllers/NorthCheckoutController.php

@@ -197,6 +197,14 @@ class NorthCheckoutController extends Controller
                 GROUP BY winning_bids.winning_bidder_num
               ");
 
+             // Automatically print item pickup slips
+             try {
+                 $printerService = app(\App\Services\PrinterService::class);
+                 $printerService->printForCheckout(\App\Models\Checkout::find($checkout_id));
+             } catch (\Exception $e) {
+                 \Illuminate\Support\Facades\Log::error('Auto-print failed: ' . $e->getMessage());
+             }
+
              return view('checkout_complete', [
                'checkout_result' => $checkout_id,
                'checkout_list_results' => $checkout_list_results,

app/Http/Controllers/PagesController.php

@@ -141,6 +141,15 @@ class PagesController extends Controller
                 'cc_amount' => $cc_amount,
                 ]
             );
+
+            // Automatically print item pickup slips
+            try {
+                $printerService = app(\App\Services\PrinterService::class);
+                $printerService->printForCheckout(\App\Models\Checkout::find($checkout_result));
+            } catch (\Exception $e) {
+                \Illuminate\Support\Facades\Log::error('Auto-print failed: ' . $e->getMessage());
+            }
+
             return view('checkout_complete', [
               'checkout_result' => $checkout_result,
               'checkout_list_results' => $checkout_list_results,

app/Mail/PickupSlipMail.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace App\Mail;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Mail\Mailable;
+use Illuminate\Mail\Mailables\Attachment;
+use Illuminate\Mail\Mailables\Content;
+use Illuminate\Mail\Mailables\Envelope;
+use Illuminate\Queue\SerializesModels;
+
+class PickupSlipMail extends Mailable
+{
+    use Queueable, SerializesModels;
+
+    protected $pdfOutput;
+
+    /**
+     * Create a new message instance.
+     */
+    public function __construct($pdfOutput)
+    {
+        $this->pdfOutput = $pdfOutput;
+    }
+
+    /**
+     * Get the message envelope.
+     */
+    public function envelope(): Envelope
+    {
+        return new Envelope(
+            subject: 'Item Pickup Slip',
+        );
+    }
+
+    /**
+     * Get the message content definition.
+     */
+    public function content(): Content
+    {
+        return new Content(
+            view: 'emails.pickup_slip',
+        );
+    }
+
+    /**
+     * Get the attachments for the message.
+     *
+     * @return array<int, Attachment>
+     */
+    public function attachments(): array
+    {
+        return [
+            Attachment::fromData(fn () => $this->pdfOutput, 'pickup_slip.pdf')
+                ->withMime('application/pdf'),
+        ];
+    }
+}

app/Services/PrinterService.php

@@ -0,0 +1,86 @@
+<?php
+
+namespace App\Services;
+
+use Dompdf\Dompdf;
+use Dompdf\Options;
+use Illuminate\Support\Facades\Mail;
+use Illuminate\Support\Facades\Log;
+
+class PrinterService
+{
+    /**
+     * Print the pickup slip for a given Checkout model.
+     *
+     * @param \App\Models\Checkout $checkout
+     * @return void
+     */
+    public function printForCheckout(\App\Models\Checkout $checkout)
+    {
+        $bidder_num = $checkout->bidder_num;
+        
+        $checkout_list_results = \Illuminate\Support\Facades\DB::select("SELECT
+            *, items.item_assigned_num, items.item_desc
+            FROM winning_bids
+            INNER JOIN items AS items
+            ON winning_bids.winning_item_num=items.iditems
+            WHERE winning_bidder_num = $bidder_num
+        ");
+
+        $checkout_info_results = \Illuminate\Support\Facades\DB::select("SELECT
+            winning_bids.*,
+            bidders.*,
+            sum(winning_cost) AS total_cost
+            FROM winning_bids
+            INNER JOIN bidders AS bidders
+            ON winning_bids.winning_bidder_num=bidders.idbidders
+            WHERE winning_bidder_num = $bidder_num
+            GROUP BY winning_bids.winning_bidder_num
+        ");
+
+        $this->printPickupSlip([
+            'checkout_final_results' => $checkout,
+            'checkout_list_results' => $checkout_list_results,
+            'checkout_info_results' => $checkout_info_results
+        ]);
+    }
+
+    /**
+     * Print the pickup slip by sending it to the HP ePrint email address.
+     *
+     * @param array $checkoutData
+     * @return void
+     */
+    public function printPickupSlip($checkoutData)
+    {
+        if (!config('services.printer.enabled')) {
+            Log::info('Auto-print is disabled.');
+            return;
+        }
+
+        $printerEmail = config('services.printer.email');
+        if (empty($printerEmail)) {
+            Log::error('Printer email is not configured.');
+            return;
+        }
+
+        try {
+            $options = new Options();
+            $options->set('isHtml5ParserEnabled', true);
+            $options->set('isRemoteEnabled', true);
+            $dompdf = new Dompdf($options);
+
+            $html = view('receiptpdf', $checkoutData)->render();
+            $dompdf->loadHtml($html);
+            $dompdf->setPaper('letter', 'portrait');
+            $dompdf->render();
+            $pdfOutput = $dompdf->output();
+
+            Mail::to($printerEmail)->send(new \App\Mail\PickupSlipMail($pdfOutput));
+
+            Log::info('Pickup slip sent to printer: ' . $printerEmail);
+        } catch (\Exception $e) {
+            Log::error('Failed to print pickup slip: ' . $e->getMessage());
+        }
+    }
+}