feat: implement thermal printer support with ESC/POS encoding and device connectivity hooks

resources/js/hooks/use-printer.ts

@@ -0,0 +1,205 @@
+import { useState, useCallback } from 'react';
+import { toast } from 'sonner';
+
+// Type definitions for Web Bluetooth and Web USB
+// This is to satisfy TypeScript if the global types are missing
+/* eslint-disable @typescript-eslint/no-explicit-any */
+
+export type PrinterType = 'bluetooth' | 'usb' | null;
+export type PaperSize = '58' | '80';
+
+interface PrinterState {
+    device: any; // Using any to avoid complex type issues with experimental APIs
+    type: PrinterType;
+    isConnected: boolean;
+    name: string | null;
+    paperSize: PaperSize;
+}
+
+export function usePrinter() {
+    const [state, setState] = useState<PrinterState>(() => {
+        return {
+            device: null,
+            type: null,
+            isConnected: false,
+            name: null,
+            paperSize: '58',
+        };
+    });
+
+    const [characteristic, setCharacteristic] = useState<any>(null);
+
+    const connectBluetooth = useCallback(async () => {
+        try {
+            const nav = navigator as any;
+            if (!nav.bluetooth) {
+                toast.error('Bluetooth tidak didukung di browser ini');
+                return;
+            }
+
+            const device = await nav.bluetooth.requestDevice({
+                acceptAllDevices: true,
+                optionalServices: ['000018f0-0000-1000-8000-00805f9b34fb', '49535343-fe7d-41aa-83b1-d10935904914', '0000ff00-0000-1000-8000-00805f9b34fb']
+            });
+
+            const server = await device.gatt?.connect();
+            const services = await server.getPrimaryServices();
+            
+            const writeChar = await findWriteCharacteristic(services);
+
+            if (!writeChar) {
+                throw new Error('Tidak dapat menemukan characteristic untuk menulis data');
+            }
+
+            setCharacteristic(writeChar);
+            setState(prev => ({
+                ...prev,
+                device,
+                type: 'bluetooth',
+                isConnected: true,
+                name: device.name || 'Bluetooth Printer',
+            }));
+
+            toast.success(`Terhubung ke ${device.name || 'Printer Bluetooth'}`);
+
+            device.addEventListener('gattserverdisconnected', () => {
+                setState(prev => ({ ...prev, device: null, type: null, isConnected: false, name: null }));
+                setCharacteristic(null);
+                toast.error('Printer Bluetooth terputus');
+            });
+
+        } catch (error: any) {
+            console.error('Bluetooth connection error:', error);
+            if (error.name !== 'NotFoundError') {
+                toast.error(error.message || 'Gagal menghubungkan printer bluetooth');
+            }
+        }
+    }, []);
+
+    const connectUsb = useCallback(async () => {
+        try {
+            const nav = navigator as any;
+            if (!nav.usb) {
+                toast.error('USB tidak didukung di browser ini');
+                return;
+            }
+
+            const device = await nav.usb.requestDevice({
+                filters: []
+            });
+
+            await device.open();
+            if (device.configuration === null) {
+                await device.selectConfiguration(1);
+            }
+            
+            const iface = device.configuration.interfaces[0];
+            await device.claimInterface(iface.interfaceNumber);
+            
+            setState(prev => ({
+                ...prev,
+                device,
+                type: 'usb',
+                isConnected: true,
+                name: device.productName || 'USB Printer',
+            }));
+
+            toast.success(`Terhubung ke ${device.productName || 'Printer USB'}`);
+
+        } catch (error: any) {
+            console.error('USB connection error:', error);
+            if (error.name !== 'NotFoundError') {
+                toast.error(error.message || 'Gagal menghubungkan printer USB');
+            }
+        }
+    }, []);
+
+    const setPaperSize = useCallback((size: PaperSize) => {
+        setState(prev => ({ ...prev, paperSize: size }));
+    }, []);
+
+    const sendData = useCallback(async (data: Uint8Array) => {
+        if (!state.isConnected || !state.device) {
+            toast.error('Printer belum terhubung');
+            return;
+        }
+
+        try {
+            if (state.type === 'bluetooth') {
+                const device = state.device;
+                
+                // Try to reconnect if GATT is disconnected
+                if (!device.gatt?.connected) {
+                    toast.loading('Menghubungkan kembali...', { id: 'printer-reconnect' });
+                    const server = await device.gatt?.connect();
+                    const services = await server.getPrimaryServices();
+                    const writeChar = await findWriteCharacteristic(services);
+                    if (writeChar) {
+                        setCharacteristic(writeChar);
+                        toast.success('Printer terhubung kembali', { id: 'printer-reconnect' });
+                    } else {
+                        toast.error('Gagal menghubungkan kembali printer', { id: 'printer-reconnect' });
+                        return;
+                    }
+                }
+
+                if (!characteristic) throw new Error('Characteristic tidak ditemukan');
+
+                const chunkSize = 20;
+                for (let i = 0; i < data.length; i += chunkSize) {
+                    const chunk = data.slice(i, i + chunkSize);
+                    // Use writeValueWithoutResponse for better stability if supported
+                    if (characteristic.writeValueWithoutResponse) {
+                        await characteristic.writeValueWithoutResponse(chunk);
+                    } else {
+                        await characteristic.writeValue(chunk);
+                    }
+                }
+            } else if (state.type === 'usb') {
+                const device = state.device as any;
+                const endpoint = device.configuration.interfaces[0].alternates[0].endpoints.find((e: any) => e.direction === 'out' && e.type === 'bulk');
+                if (!endpoint) throw new Error('Tidak dapat menemukan USB endpoint');
+                
+                await device.transferOut(endpoint.endpointNumber, data);
+            }
+        } catch (error: any) {
+            console.error('Print error:', error);
+            toast.error('Gagal mengirim data ke printer: ' + (error.message || 'Error tidak diketahui'));
+        }
+    }, [state.isConnected, state.device, state.type, characteristic]);
+
+    const disconnect = useCallback(async () => {
+        if (state.type === 'bluetooth' && state.device) {
+            if (state.device.gatt?.connected) {
+                state.device.gatt.disconnect();
+            }
+        } else if (state.type === 'usb' && state.device) {
+            await state.device.close();
+        }
+
+        setState(prev => ({ ...prev, device: null, type: null, isConnected: false, name: null }));
+        setCharacteristic(null);
+        toast.info('Printer terputus');
+    }, [state.device, state.type]);
+
+    return {
+        ...state,
+        connectBluetooth,
+        connectUsb,
+        disconnect,
+        sendData,
+        setPaperSize,
+    };
+}
+
+async function findWriteCharacteristic(services: any[]) {
+    for (const service of services) {
+        const characteristics = await service.getCharacteristics();
+        for (const char of characteristics) {
+            if (char.properties.write || char.properties.writeWithoutResponse) {
+                return char;
+            }
+        }
+    }
+    return null;
+}

resources/js/lib/esc-pos-encoder.ts

@@ -0,0 +1,87 @@
+/**
+ * A simple ESC/POS encoder for thermal printers
+ */
+export class EscPosEncoder {
+    private encoder = new TextEncoder();
+    private buffer: number[] = [];
+
+    constructor() {}
+
+    /**
+     * Initialize printer
+     */
+    initialize(): this {
+        this.buffer.push(0x1b, 0x40);
+        return this;
+    }
+
+    /**
+     * Write text
+     */
+    text(value: string): this {
+        const bytes = this.encoder.encode(value);
+        this.buffer.push(...Array.from(bytes));
+        return this;
+    }
+
+    /**
+     * Write text with newline
+     */
+    line(value: string = ''): this {
+        this.text(value + '\n');
+        return this;
+    }
+
+    /**
+     * Set alignment
+     * 0: left, 1: center, 2: right
+     */
+    align(value: 0 | 1 | 2): this {
+        this.buffer.push(0x1b, 0x61, value);
+        return this;
+    }
+
+    /**
+     * Set bold
+     */
+    bold(value: boolean): this {
+        this.buffer.push(0x1b, 0x45, value ? 1 : 0);
+        return this;
+    }
+
+    /**
+     * Set font size
+     * 0: normal, 1: double height, 2: double width, 3: double height + width
+     */
+    size(value: 0 | 1 | 2 | 3): this {
+        let size = 0;
+        if (value === 1) size = 0x01;
+        if (value === 2) size = 0x10;
+        if (value === 3) size = 0x11;
+        this.buffer.push(0x1d, 0x21, size);
+        return this;
+    }
+
+    /**
+     * Feed and cut
+     */
+    cut(): this {
+        this.buffer.push(0x1d, 0x56, 0x00);
+        return this;
+    }
+
+    /**
+     * Feed lines
+     */
+    feed(lines: number = 1): this {
+        this.buffer.push(0x1b, 0x64, lines);
+        return this;
+    }
+
+    /**
+     * Get the encoded bytes
+     */
+    encode(): Uint8Array {
+        return new Uint8Array(this.buffer);
+    }
+}

resources/js/pages/admin/manage/order/index.tsx

@@ -1,9 +1,23 @@
 import { Head, Link } from '@inertiajs/react';
+import { useCallback } from 'react';
 import type { Order } from '@/types/order';
 import { Card, CardContent } from '@/components/ui/card';
 import { Button } from '@/components/ui/button';
-import { Trash2, ShoppingBag } from 'lucide-react';
+import { Trash2, ShoppingBag, Printer, Bluetooth, Usb, Unplug } from 'lucide-react';
 import { DataTable } from '@/components/data-table';
+import {
+    DropdownMenu,
+    DropdownMenuContent,
+    DropdownMenuItem,
+    DropdownMenuLabel,
+    DropdownMenuSeparator,
+    DropdownMenuTrigger,
+    DropdownMenuRadioGroup,
+    DropdownMenuRadioItem,
+    DropdownMenuSub,
+    DropdownMenuSubTrigger,
+    DropdownMenuSubContent,
+} from "@/components/ui/dropdown-menu"
 import {
     AlertDialog,
     AlertDialogAction,
@@ -19,6 +33,11 @@ import {
 import * as orderRoutes from '@/routes/order';
 import { useOrderIndex } from './hooks/use-order-index';
 import { getColumns } from './partials/columns';
+import { usePrinter } from '@/hooks/use-printer';
+import { EscPosEncoder } from '@/lib/esc-pos-encoder';
+import { format } from 'date-fns';
+import { id } from 'date-fns/locale';
+import { toast } from 'sonner';
 
 export default function OrderIndex({ orders }: { orders: Order[] }) {
     const {
@@ -36,7 +55,79 @@ export default function OrderIndex({ orders }: { orders: Order[] }) {
         confirmBulkDelete,
     } = useOrderIndex();
 
-    const columns = getColumns({ onDelete });
+    const {
+        isConnected,
+        name,
+        connectBluetooth,
+        connectUsb,
+        disconnect,
+        sendData,
+        paperSize,
+        setPaperSize
+    } = usePrinter();
+
+    const handlePrint = useCallback(async (order: Order) => {
+        if (!isConnected) {
+            toast.error('Hubungkan printer terlebih dahulu');
+            return;
+        }
+
+        const width = paperSize === '58' ? 32 : 48;
+        const line = '-'.repeat(width);
+
+        const encoder = new EscPosEncoder();
+        const result = encoder
+            .initialize()
+            .align(1)
+            .size(1)
+            .bold(true)
+            .line('VN Grup')
+            .size(0)
+            .bold(false)
+            .line(line)
+            .align(0)
+            .line(`No. Invoice : ${order.invoice_number}`)
+            .line(`Tanggal     : ${format(new Date(order.created_at), 'dd MMMM yyyy HH:mm', { locale: id })}`)
+            .line(`Pelanggan   : ${order.customer_name}`)
+            .line(line);
+
+        order.items?.forEach((item, index) => {
+            if (index > 0) result.line();
+            result.line(item.product?.name || 'Produk');
+            const qtyPrice = `${item.qty} x ${item.price_formatted}`;
+            const subtotal = item.total_formatted;
+            const spaces = width - qtyPrice.length - subtotal.length;
+            result.line(qtyPrice + ' '.repeat(Math.max(0, spaces)) + subtotal);
+        });
+
+        result.line(line);
+
+        const discountAmount = Number(order.discount || 0);
+        if (discountAmount > 0) {
+            const discountLabel = 'Diskon:';
+            const discountVal = `- Rp ${discountAmount.toLocaleString('id-ID')}`;
+            const dSpaces = width - discountLabel.length - discountVal.length;
+            result.line(discountLabel + ' '.repeat(Math.max(0, dSpaces)) + discountVal);
+        }
+
+        const totalLabel = 'TOTAL:';
+        const totalVal = order.total_formatted;
+        const tSpaces = width - totalLabel.length - totalVal.length;
+        result.bold(true).line(totalLabel + ' '.repeat(Math.max(0, tSpaces)) + totalVal).bold(false);
+
+        result
+            .line(line)
+            .align(1)
+            .feed(1)
+            .line('Terima Kasih')
+            .line('Selamat Belanja Kembali')
+            .feed(1)
+            .cut();
+
+        await sendData(result.encode());
+    }, [isConnected, sendData, paperSize]);
+
+    const columns = getColumns({ onDelete, onPrint: handlePrint });
 
     return (
         <div className="flex flex-col gap-6 p-6">
@@ -46,11 +137,58 @@ export default function OrderIndex({ orders }: { orders: Order[] }) {
                 <div>
                     <h1 className="text-3xl font-bold tracking-tight text-foreground">Pesanan</h1>
                 </div>
-                <Link href={orderRoutes.create().url}>
-                    <Button>
-                        Tambah
-                    </Button>
-                </Link>
+                <div className="flex items-center gap-2">
+                    <DropdownMenu>
+                        <DropdownMenuTrigger asChild>
+                            <Button variant={isConnected ? "outline" : "secondary"} className="gap-2">
+                                <Printer className="size-4" />
+                                {isConnected ? name : 'Hubungkan Printer'}
+                                {isConnected && <div className="size-2 rounded-full bg-green-500 animate-pulse" />}
+                            </Button>
+                        </DropdownMenuTrigger>
+                        <DropdownMenuContent align="end" className="w-56">
+                            <DropdownMenuLabel>Koneksi Printer</DropdownMenuLabel>
+                            <DropdownMenuSeparator />
+                            {isConnected ? (
+                                <>
+                                    <DropdownMenuSub>
+                                        <DropdownMenuSubTrigger>
+                                            Ukuran Kertas: {paperSize}mm
+                                        </DropdownMenuSubTrigger>
+                                        <DropdownMenuSubContent>
+                                            <DropdownMenuRadioGroup value={paperSize} onValueChange={(v) => setPaperSize(v as any)}>
+                                                <DropdownMenuRadioItem value="58">58mm</DropdownMenuRadioItem>
+                                                <DropdownMenuRadioItem value="80">80mm</DropdownMenuRadioItem>
+                                            </DropdownMenuRadioGroup>
+                                        </DropdownMenuSubContent>
+                                    </DropdownMenuSub>
+                                    <DropdownMenuSeparator />
+                                    <DropdownMenuItem onClick={disconnect} variant="destructive">
+                                        <Unplug className="mr-2 size-4" />
+                                        Putus Koneksi
+                                    </DropdownMenuItem>
+                                </>
+                            ) : (
+                                <>
+                                    <DropdownMenuItem onClick={connectBluetooth}>
+                                        <Bluetooth className="mr-2 size-4" />
+                                        Bluetooth
+                                    </DropdownMenuItem>
+                                    <DropdownMenuItem onClick={connectUsb}>
+                                        <Usb className="mr-2 size-4" />
+                                        USB
+                                    </DropdownMenuItem>
+                                </>
+                            )}
+                        </DropdownMenuContent>
+                    </DropdownMenu>
+
+                    <Link href={orderRoutes.create().url}>
+                        <Button>
+                            Tambah
+                        </Button>
+                    </Link>
+                </div>
             </div>
 
             <Card className="overflow-hidden border-none shadow-lg bg-card/50 backdrop-blur-sm p-5">

resources/js/pages/admin/manage/order/partials/columns.tsx

@@ -3,7 +3,7 @@ import { Order } from '@/types/order';
 import { DataTableColumnHeader } from '@/components/data-table-column-header';
 import { Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui/tooltip';
 import { Button } from '@/components/ui/button';
-import { Pencil, Trash2, ShoppingBag } from 'lucide-react';
+import { Pencil, Trash2, ShoppingBag, Printer } from 'lucide-react';
 import { Link } from '@inertiajs/react';
 import * as orderRoutes from '@/routes/order';
 import { format } from 'date-fns';
@@ -12,9 +12,10 @@ import { Badge } from '@/components/ui/badge';
 
 interface ColumnProps {
     onDelete: (order: Order) => void;
+    onPrint: (order: Order) => void;
 }
 
-export const getColumns = ({ onDelete }: ColumnProps): ColumnDef<Order>[] => [
+export const getColumns = ({ onDelete, onPrint }: ColumnProps): ColumnDef<Order>[] => [
     {
         accessorKey: "invoice_number",
         header: ({ column }) => (
@@ -84,7 +85,7 @@ export const getColumns = ({ onDelete }: ColumnProps): ColumnDef<Order>[] => [
                     {row.original.total_formatted}
                 </span>
                 <Badge className="text-[10px] h-4 py-0" variant={
-                    row.original.order_status === 'completed' ? 'default' :
+                    row.original.order_status === 'delivered' ? 'default' :
                     row.original.order_status === 'pending' ? 'secondary' :
                     row.original.order_status === 'cancelled' ? 'destructive' : 'outline'
                 }>
@@ -101,6 +102,16 @@ export const getColumns = ({ onDelete }: ColumnProps): ColumnDef<Order>[] => [
             const order = row.original;
             return (
                 <div className="flex items-center gap-2">
+                    <Tooltip>
+                        <TooltipTrigger asChild>
+                            <Button variant="ghost" size="icon" className='text-blue-600 hover:text-blue-700 hover:bg-blue-50 dark:hover:bg-blue-950/20' onClick={() => onPrint(order)}>
+                                <Printer className="size-4" />
+                            </Button>
+                        </TooltipTrigger>
+                        <TooltipContent>
+                            <p>Cetak Struk</p>
+                        </TooltipContent>
+                    </Tooltip>
                     <Tooltip>
                         <TooltipTrigger asChild>
                             <Link href={orderRoutes.edit(order.id).url}>