File size: 4,145 Bytes
1108a3a |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 |
const fs = require("fs");
const PDFDocument = require("pdfkit");
function createInvoice(invoice, path) {
let doc = new PDFDocument({ size: "A4", margin: 50 });
generateHeader(doc);
generateCustomerInformation(doc, invoice);
generateInvoiceTable(doc, invoice);
generateFooter(doc);
doc.end();
doc.pipe(fs.createWriteStream(path));
}
function generateHeader(doc) {
doc
.image("logo.png", 50, 45, { width: 50 })
.fillColor("#444444")
.fontSize(20)
.text("ACME Inc.", 110, 57)
.fontSize(10)
.text("ACME Inc.", 200, 50, { align: "right" })
.text("123 Main Street", 200, 65, { align: "right" })
.text("New York, NY, 10025", 200, 80, { align: "right" })
.moveDown();
}
function generateCustomerInformation(doc, invoice) {
doc
.fillColor("#444444")
.fontSize(20)
.text("Invoice", 50, 160);
generateHr(doc, 185);
const customerInformationTop = 200;
doc
.fontSize(10)
.text("Invoice Number:", 50, customerInformationTop)
.font("Helvetica-Bold")
.text(invoice.invoice_nr, 150, customerInformationTop)
.font("Helvetica")
.text("Invoice Date:", 50, customerInformationTop + 15)
.text(formatDate(new Date()), 150, customerInformationTop + 15)
.text("Balance Due:", 50, customerInformationTop + 30)
.text(
formatCurrency(invoice.subtotal - invoice.paid),
150,
customerInformationTop + 30
)
.font("Helvetica-Bold")
.text(invoice.shipping.name, 300, customerInformationTop)
.font("Helvetica")
.text(invoice.shipping.address, 300, customerInformationTop + 15)
.text(
invoice.shipping.city +
", " +
invoice.shipping.state +
", " +
invoice.shipping.country,
300,
customerInformationTop + 30
)
.moveDown();
generateHr(doc, 252);
}
function generateInvoiceTable(doc, invoice) {
let i;
const invoiceTableTop = 330;
doc.font("Helvetica-Bold");
generateTableRow(
doc,
invoiceTableTop,
"Item",
"Description",
"Unit Cost",
"Quantity",
"Line Total"
);
generateHr(doc, invoiceTableTop + 20);
doc.font("Helvetica");
for (i = 0; i < invoice.items.length; i++) {
const item = invoice.items[i];
const position = invoiceTableTop + (i + 1) * 30;
generateTableRow(
doc,
position,
item.item,
item.description,
formatCurrency(item.amount / item.quantity),
item.quantity,
formatCurrency(item.amount)
);
generateHr(doc, position + 20);
}
const subtotalPosition = invoiceTableTop + (i + 1) * 30;
generateTableRow(
doc,
subtotalPosition,
"",
"",
"Subtotal",
"",
formatCurrency(invoice.subtotal)
);
const paidToDatePosition = subtotalPosition + 20;
generateTableRow(
doc,
paidToDatePosition,
"",
"",
"Paid To Date",
"",
formatCurrency(invoice.paid)
);
const duePosition = paidToDatePosition + 25;
doc.font("Helvetica-Bold");
generateTableRow(
doc,
duePosition,
"",
"",
"Balance Due",
"",
formatCurrency(invoice.subtotal - invoice.paid)
);
doc.font("Helvetica");
}
function generateFooter(doc) {
doc
.fontSize(10)
.text(
"Payment is due within 15 days. Thank you for your business.",
50,
780,
{ align: "center", width: 500 }
);
}
function generateTableRow(
doc,
y,
item,
description,
unitCost,
quantity,
lineTotal
) {
doc
.fontSize(10)
.text(item, 50, y)
.text(description, 150, y)
.text(unitCost, 280, y, { width: 90, align: "right" })
.text(quantity, 370, y, { width: 90, align: "right" })
.text(lineTotal, 0, y, { align: "right" });
}
function generateHr(doc, y) {
doc
.strokeColor("#aaaaaa")
.lineWidth(1)
.moveTo(50, y)
.lineTo(550, y)
.stroke();
}
function formatCurrency(cents) {
return "$" + (cents / 100).toFixed(2);
}
function formatDate(date) {
const day = date.getDate();
const month = date.getMonth() + 1;
const year = date.getFullYear();
return year + "/" + month + "/" + day;
}
module.exports = {
createInvoice
};
|