MIF_E31211908/app/Http/Controllers/Transaction/PenjualanController.php

<?php

namespace App\Http\Controllers\Transaction;

use App\Http\Controllers\Controller;
use App\Models\Barang;
use App\Models\ListItemPenjualan;
use App\Models\Penjualan;
use App\Models\SettingPrinter;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Carbon\Carbon;
use Mike42\Escpos\PrintConnectors\FilePrintConnector;
use Mike42\Escpos\Printer;
use Mike42\Escpos\PrintConnectors\WindowsPrintConnector;

class PenjualanController extends Controller
{
    private function generateNoTransaksi()
    {
        return 'TRN' . time();
    }

    public function index(Request $request)
    {
        $data = ['title' => 'Penjualan'];
        if (!$request->ajax()) {
            return view('page.dashboard.penjualan.index', compact('data'));
        }
        
        if ($request->isMethod('get')) {
            $barang = Barang::all();
            return response()->json(['message' => $barang], 200);
        }

        $noTransaksi = $this->generateNoTransaksi();
        $items = $request->items;
        
        $penjualan = Penjualan::create([
            'kasir' => Auth::user()->id,
            'no_transaksi' => $noTransaksi,
            'diskon' => 0,
            'pembayaran' => $request->pembayaran,
            'total'=> $request->total,
            'bayar'=> $request->bayar,
            'sisa'=> $request->sisa
        ]);
        
        foreach ($items as $item) {
            $barang = Barang::where('kode', $item['kode'])->first();
        
            if ($barang) {
                ListItemPenjualan::create([
                    'penjualan_id' => $penjualan->id,
                    'barang_id' => $barang->id, 
                    'qty' => $item['qty'],
                    'harga_beli' => $barang->harga_beli,
                    'harga_jual' => $barang->harga_jual,
                    'nama_barang' => $barang->nama,
                    'ukuran_barang' => $barang->ukuran
                ]);
            } else {
                return response()->json(['message' => 'Opps! theres been an error.'], 404);
            }
        }
        $this->print_now($noTransaksi);
        
        return response()->json(['message' => 'Ok'], 200);
    }
    public function print(Request $request){
        $this->print_now('TRN1716466056');
    }
    public function print_now($noTransaksi){
        $settingprinter = SettingPrinter::where("idprinter","=",1)->first();

        $storeName = $settingprinter->nama_toko;
        $storeAddress = $settingprinter->alamat_toko;
        $buyerName = 'UMUM';
        $transactionDate = Carbon::now()->format('d-m-Y H:i:s');
        // $items = $request->input('items', [
        //     ['name' => 'Barang A', 'quantity' => 2, 'price' => 50000],
        //     ['name' => 'Barang B', 'quantity' => 1, 'price' => 75000],
        // ]);
        // die(var_dump($request));
        $penjualan = Penjualan::with("listItem","listItem.barang")
        ->where("no_transaksi","=",$noTransaksi)->first();
        $items = $penjualan->listItem;
        $total = $penjualan->total;
        $totalPaid = $penjualan->bayar;
        $change = $penjualan->sisa;
        // echo "<pre>";
        // print_r($printer);
        // echo "</pre>";
        // die();

        $printerName = $settingprinter->nama_printer;

        try {
            $connector = new WindowsPrintConnector($printerName);
            $printer = new Printer($connector);

            // Header
            $printer->setJustification(Printer::JUSTIFY_CENTER);
            $printer->text("$storeName\n");
            $printer->text("$storeAddress\n");
            $printer->feed();

            // Info Pembeli dan Tanggal
            $printer->setJustification(Printer::JUSTIFY_LEFT);
            $printer->text("Pembeli: $buyerName\n");
            $printer->text("Tanggal: $transactionDate\n");
            $printer->feed();

            // Detail Barang
            $printer->text(str_pad("Barang", 15) . str_pad("Qty", 4, ' ', STR_PAD_LEFT) . str_pad("Harga", 9, ' ', STR_PAD_LEFT) . str_pad("Total", 9, ' ', STR_PAD_LEFT) . "\n");
            $printer->text("--------------------------------\n");
            foreach ($items as $key=>$item) {
                $name = str_pad(substr($item->barang->nama, 0, 15), 15);
                $quantity = str_pad($item->qty, 4, ' ', STR_PAD_LEFT);
                $price = str_pad(number_format($item->harga_jual, 0, ',', '.'), 9, ' ', STR_PAD_LEFT);
                $totalItem = str_pad(number_format($item->qty * $item->harga_jual, 0, ',', '.'), 9, ' ', STR_PAD_LEFT);
                $printer->text("$name $quantity $price $totalItem\n");
            }
            $printer->feed();

            // Total, Total Bayar, dan Sisa
            $printer->text("--------------------------------\n");
            $printer->text(str_pad("Total", 15) . str_pad(number_format($total, 0, ',', '.'), 9, ' ', STR_PAD_LEFT) . "\n");
            $printer->text(str_pad("Total Bayar", 15) . str_pad(number_format($totalPaid, 0, ',', '.'), 9, ' ', STR_PAD_LEFT) . "\n");
            $printer->text(str_pad("Sisa", 15) . str_pad(number_format($change, 0, ',', '.'), 9, ' ', STR_PAD_LEFT) . "\n");
            $printer->feed(4);

            // Potong struk
            $printer->cut();

            // Tutup printer
            $printer->close();

            // return response()->json(['status' => 'success', 'message' => 'Printed successfully.']);
        } catch (Exception $e) {
            // return response()->json(['status' => 'error', 'message' => $e->getMessage()]);
        }

    }
}