import PDFDocument from "pdfkit"; import type { Response } from "express"; import path from "path"; import { fileURLToPath } from "url"; import { PdfHeader } from "./components/PdfHeader.js"; interface QuotationData { quotation: any; shop: any; } // ---------- Design tokens ---------- const COLORS = { primary: "#0F5132", // Deep vegetable green accent: "#198754", // Fresh green danger: "#DC3545", text: "#212529", muted: "#6C757D", border: "#DEE2E6", rowAlt: "#F8F9FA", white: "#FFFFFF", bgAlt: "#E8F5E9" // Very light green for cards }; const __filename = fileURLToPath(import.meta.url); const __dirname = path.dirname(__filename); const PAGE_MARGIN = 40; export class QuotationPdf { static async generate(data: QuotationData, res: Response) { const { quotation, shop } = data; const doc = new PDFDocument({ size: "A4", margin: PAGE_MARGIN, bufferPages: true, }); res.setHeader("Content-Type", "application/pdf"); res.setHeader( "Content-Disposition", `inline; filename=quotation-${quotation.quotationNo ?? quotation.id}.pdf` ); res.setHeader("Access-Control-Expose-Headers", "Content-Disposition"); doc.pipe(res); const pageWidth = doc.page.width - PAGE_MARGIN * 2; await PdfHeader.draw(doc, pageWidth, PAGE_MARGIN, "Q U O T A T I O N"); this.drawQuotationCustomerMeta(doc, quotation, pageWidth); this.drawItemsTable(doc, quotation, pageWidth); this.drawTotals(doc, quotation, pageWidth); this.drawFooter(doc, pageWidth); doc.end(); } /** * Bill-style meta block — matches the physical vegetable-market credit * bill exactly: a single bordered box with a vertical divider, the plain * customer name (no caption) on the left, and "No. : value" / * "Date : value" as two inline rows on the right. */ private static drawQuotationCustomerMeta(doc: PDFKit.PDFDocument, quotation: any, pageWidth: number) { const boxY = doc.y; const boxHeight = 62; const rightColWidth = pageWidth * 0.4; const leftColWidth = pageWidth - rightColWidth; const boxX = PAGE_MARGIN; const date = quotation?.quotationDate ? new Date(quotation.quotationDate).toLocaleDateString("en-GB").replace(/\//g, "-") : new Date().toLocaleDateString("en-GB").replace(/\//g, "-"); // Outer bordered box doc .rect(boxX, boxY, pageWidth, boxHeight) .lineWidth(1) .strokeColor(COLORS.border) .stroke(); // Vertical divider between customer name and no/date const dividerX = boxX + leftColWidth; doc .moveTo(dividerX, boxY) .lineTo(dividerX, boxY + boxHeight) .strokeColor(COLORS.border) .lineWidth(1) .stroke(); // ---- Left: Customer Name, vertically centered, plain (no caption) ---- const leftPad = 16; const leftWidth = leftColWidth - leftPad * 2; const custName = quotation?.customerName ?? quotation?.customer?.name ?? "-"; doc .font("Helvetica-Bold") .fontSize(13) .fillColor(COLORS.primary) .text(custName, boxX + leftPad, boxY + boxHeight / 2 - 7, { width: leftWidth, lineBreak: false, ellipsis: true, }); // ---- Right: "No. : value" / "Date : value" — fixed-position segments ---- const rightPad = 16; const labelX = dividerX + rightPad; const labelWidth = 46; const colonX = labelX + labelWidth; const colonWidth = rightColWidth - rightPad * 2 - labelWidth; const inlineRow = (y: number, label: string, value: string) => { doc .font("Helvetica-Bold") .fontSize(10) .fillColor(COLORS.primary) .text(label, labelX, y, { width: labelWidth, lineBreak: false }); doc .font("Helvetica-Bold") .fontSize(10) .fillColor(COLORS.text) .text(`: ${value}`, colonX, y, { width: colonWidth, lineBreak: false, ellipsis: true }); }; inlineRow(boxY + 14, "No.", `${quotation?.quotationNo ?? quotation?.id}`); inlineRow(boxY + 34, "Date", date); doc.y = boxY + boxHeight + 20; } private static drawItemsTable(doc: PDFKit.PDFDocument, quotation: any, pageWidth: number) { const cols = { no: { x: PAGE_MARGIN, width: pageWidth * 0.06 }, name: { x: PAGE_MARGIN + pageWidth * 0.06, width: pageWidth * 0.28 }, hsn: { x: PAGE_MARGIN + pageWidth * 0.34, width: pageWidth * 0.14 }, qty: { x: PAGE_MARGIN + pageWidth * 0.48, width: pageWidth * 0.14 }, rate: { x: PAGE_MARGIN + pageWidth * 0.62, width: pageWidth * 0.16 }, total: { x: PAGE_MARGIN + pageWidth * 0.78, width: pageWidth * 0.22 }, }; const rowHeight = 28; const drawTableHeader = () => { const y = doc.y; doc.roundedRect(PAGE_MARGIN, y, pageWidth, rowHeight, 6).fill(COLORS.primary); doc .font("Helvetica-Bold") .fontSize(9) .fillColor(COLORS.white) .text("#", cols.no.x, y + 9, { width: cols.no.width, align: "center" }) .text("ITEM", cols.name.x, y + 9, { width: cols.name.width }) .text("HSN", cols.hsn.x, y + 9, { width: cols.hsn.width }) .text("QTY", cols.qty.x, y + 9, { width: cols.qty.width, align: "center" }) .text("RATE", cols.rate.x, y + 9, { width: cols.rate.width, align: "right" }) .text("AMOUNT", cols.total.x, y + 9, { width: cols.total.width - 8, align: "right" }); doc.y = y + rowHeight; }; const ensureSpace = (needed: number) => { const bottomLimit = doc.page.height - PAGE_MARGIN - 40; if (doc.y + needed > bottomLimit) { doc.addPage(); doc.y = PAGE_MARGIN; drawTableHeader(); } }; drawTableHeader(); const items: any[] = quotation?.items ?? []; items.forEach((item, i) => { ensureSpace(rowHeight); const y = doc.y; const name = item?.vegName ?? "Item"; const hsn = item?.hsnCode ?? "-"; const qty = item?.quantity ?? 0; const unit = item?.unit ? ` ${item.unit}` : " Kg"; const rate = this.formatCurrency(item?.price); const total = this.formatCurrency(item?.amount); if (i % 2 === 1) { doc.rect(PAGE_MARGIN, y, pageWidth, rowHeight).fill(COLORS.rowAlt); } doc .font("Helvetica-Bold") .fontSize(9) .fillColor(COLORS.accent) .text(`${i + 1}`, cols.no.x, y + 9, { width: cols.no.width, align: "center" }); doc.font("Helvetica").fontSize(10).fillColor(COLORS.text); doc.text(name, cols.name.x, y + 9, { width: cols.name.width - 4 }); doc.text(hsn, cols.hsn.x, y + 9, { width: cols.hsn.width }); doc .text(`${qty}${unit}`, cols.qty.x, y + 9, { width: cols.qty.width, align: "center" }) .text(rate, cols.rate.x, y + 9, { width: cols.rate.width, align: "right" }) .text(total, cols.total.x, y + 9, { width: cols.total.width - 8, align: "right" }); doc.y = y + rowHeight; }); doc .moveTo(PAGE_MARGIN, doc.y) .lineTo(PAGE_MARGIN + pageWidth, doc.y) .strokeColor(COLORS.border) .lineWidth(1) .stroke(); doc.y += 16; } private static drawTotals(doc: PDFKit.PDFDocument, quotation: any, pageWidth: number) { const subtotal = Number(quotation?.amount ?? 0); const discount = Number(quotation?.discount ?? 0); const extraCharge = Number(quotation?.extraCharge ?? 0); const grandTotal = Number(quotation?.totalAmount ?? subtotal); const boxGap = 20; const boxWidth = (pageWidth - boxGap) / 2; const boxX = PAGE_MARGIN + boxWidth + boxGap; const startY = doc.y; const row = ( label: string, value: string, opts: { bold?: boolean; size?: number; color?: string; bg?: string } = {} ) => { const y = doc.y; const h = 22; if (opts.bg) { doc.rect(boxX - 10, y, boxWidth + 10, h).fill(opts.bg); } doc .font(opts.bold ? "Helvetica-Bold" : "Helvetica") .fontSize(opts.size ?? 10) .fillColor(opts.color ?? COLORS.text) .text(label, boxX, y + 5, { width: boxWidth * 0.55 }) .text(value, boxX, y + 5, { width: boxWidth, align: "right" }); doc.y = y + h; }; row("Subtotal:", this.formatCurrency(subtotal), { color: COLORS.muted }); if (discount > 0) { row("Discount:", `- ${this.formatCurrency(discount)}`, { color: COLORS.accent }); } if (extraCharge > 0) { row("Extra Charge:", `+ ${this.formatCurrency(extraCharge)}`, { color: COLORS.muted }); } doc .moveTo(boxX, doc.y + 2) .lineTo(boxX + boxWidth, doc.y + 2) .strokeColor(COLORS.border) .lineWidth(1) .stroke(); doc.y += 6; row("GRAND TOTAL:", this.formatCurrency(grandTotal), { bold: true, size: 13, color: COLORS.primary, }); doc.y = Math.max(doc.y, startY) + 14; } private static drawFooter(doc: PDFKit.PDFDocument, pageWidth: number) { let y = doc.page.height - PAGE_MARGIN - 20; doc.font("Helvetica-Oblique").fontSize(9).fillColor(COLORS.muted); const footerText = "This is a computer-generated quotation."; doc.text(footerText, PAGE_MARGIN, y, { width: pageWidth, align: "center" }); } private static formatCurrency(val: any): string { const num = Number(val); if (isNaN(num)) return "Rs. 0.00"; return `Rs. ${num.toFixed(2)}`; } }