Print Receipt

import { receipt, receipt_items, Receipts } from "@shared/schema"; import { format } from "date-fns"; // Utility function for formatting currency function formatCurrency(value: number): string { return value.toFixed(2); } interface ReceiptWithUser extends Receipts{ username: string; } interface ReceiptDetails { receipt: ReceiptWithUser; } /** * Generates a receipt as HTML with proper formatting for printing */ export function generateReceipt({ receipt }: ReceiptDetails): string { const formattedDate = format( new Date(receipt.created_at), "yyyy-MM-dd HH:mm" ); const ITEM_WIDTH = 15; const itemsHtml = receipt.items .map((item) => { const name = item.name; const qty = item.quantity.toString().padStart(3, " "); // Split name into chunks of ITEM_WIDTH const lines: string[] = []; for (let i = 0; i < name.length; i += ITEM_WIDTH) { lines.push(name.substring(i, i + ITEM_WIDTH)); } // First line includes the quantity return lines.map((line, index) => { if (index === 0) { return line.padEnd(ITEM_WIDTH, " ") + " " + qty; } else { return line; // wrapped lines just show the name } }).join("\n"); }) .join("\n"); return `

STOCK

Atalou MicroSystem Stock

==============================

Date: ${formattedDate}

Receipt No: ${receipt.receipt_code}

Created by: ${receipt.username}

==============================

Handled By: ${receipt.responsible_name}

Recipient: ${receipt.for_name}

${receipt.description ? `

Note: ${receipt.description}

` : ""}

----------------------------------------

ITEM QTY

----------------------------------------

${itemsHtml}

----------------------------------------

==============================

ATALOUMS STOCK

`; } /** * Helper function to print the receipt to the thermal printer * This opens a window with the formatted receipt for printing */ export function printReceipt( receiptContent: string, receipt?: Receipts, ): void { // Open a new window for printing const printWindow = window.open("", "_blank"); if (printWindow) { let logoUrl = '/logo.jpg'; // Generate QR code placeholder ID // Write the HTML content to the new window printWindow.document.write(` Print Receipt

${receiptContent}

`); // Focus on the new window printWindow.focus(); } }