Files
beenvoice/src/lib/pdf-export.tsx

977 lines
23 KiB
TypeScript

import {
Document,
Page,
Text,
View,
StyleSheet,
Font,
Image,
pdf,
} from "@react-pdf/renderer";
import { saveAs } from "file-saver";
import React from "react";
// Register Inter font
Font.register({
family: "Inter",
src: "/fonts/inter/Inter-Variable.ttf",
fontWeight: "normal",
});
Font.register({
family: "Inter",
src: "/fonts/inter/Inter-Italic-Variable.ttf",
fontStyle: "italic",
});
// Register Azeret Mono fonts for numbers and tables - multiple weights
Font.register({
family: "AzeretMono",
src: "/fonts/azeret/AzeretMono-Regular.ttf",
fontWeight: "normal",
});
Font.register({
family: "AzeretMono",
src: "/fonts/azeret/AzeretMono-Regular.ttf",
fontWeight: "semibold",
});
Font.register({
family: "AzeretMono",
src: "/fonts/azeret/AzeretMono-Regular.ttf",
fontWeight: "bold",
});
Font.register({
family: "AzeretMono",
src: "/fonts/azeret/AzeretMono-Italic-Variable.ttf",
fontStyle: "italic",
});
interface InvoiceData {
invoiceNumber: string;
issueDate: Date;
dueDate: Date;
status: string;
totalAmount: number;
taxRate: number;
notes?: string | null;
business?: {
name: string;
email?: string | null;
phone?: string | null;
addressLine1?: string | null;
addressLine2?: string | null;
city?: string | null;
state?: string | null;
postalCode?: string | null;
country?: string | null;
website?: string | null;
taxId?: string | null;
} | null;
client?: {
name: string;
email?: string | null;
phone?: string | null;
addressLine1?: string | null;
addressLine2?: string | null;
city?: string | null;
state?: string | null;
postalCode?: string | null;
country?: string | null;
} | null;
items?: Array<{
date: Date;
description: string;
hours: number;
rate: number;
amount: number;
} | null> | null;
}
const styles = StyleSheet.create({
page: {
flexDirection: "column",
backgroundColor: "#ffffff",
fontFamily: "Inter",
fontSize: 10,
paddingTop: 40,
paddingBottom: 80,
paddingHorizontal: 40,
},
// Dense header (first page)
denseHeader: {
marginBottom: 30,
borderBottom: "2px solid #10b981",
paddingBottom: 20,
},
headerTop: {
flexDirection: "row",
justifyContent: "space-between",
alignItems: "flex-start",
marginBottom: 20,
},
businessSection: {
flexDirection: "column",
flex: 1,
},
businessName: {
fontSize: 24,
fontWeight: "bold",
color: "#111827",
marginBottom: 4,
},
businessInfo: {
fontSize: 11,
color: "#6b7280",
marginBottom: 2,
},
businessAddress: {
fontSize: 11,
color: "#6b7280",
lineHeight: 1.4,
marginTop: 4,
},
invoiceSection: {
flexDirection: "column",
alignItems: "flex-end",
},
invoiceTitle: {
fontSize: 32,
fontWeight: "bold",
color: "#10b981",
marginBottom: 8,
},
invoiceNumber: {
fontSize: 15,
fontWeight: "semibold",
fontFamily: "AzeretMono",
color: "#111827",
marginBottom: 4,
},
statusBadge: {
paddingHorizontal: 12,
paddingVertical: 4,
borderRadius: 4,
fontSize: 12,
fontWeight: "bold",
textAlign: "center",
},
statusPaid: {
backgroundColor: "#ecfdf5",
color: "#065f46",
},
statusUnpaid: {
backgroundColor: "#fef3c7",
color: "#92400e",
},
// Details section (first page only)
detailsSection: {
flexDirection: "row",
justifyContent: "space-between",
marginBottom: 20,
},
detailsColumn: {
flex: 1,
marginRight: 20,
},
sectionTitle: {
fontSize: 14,
fontWeight: "bold",
color: "#111827",
marginBottom: 12,
},
clientName: {
fontSize: 13,
fontWeight: "bold",
color: "#111827",
marginBottom: 4,
},
clientInfo: {
fontSize: 11,
color: "#6b7280",
marginBottom: 2,
},
clientAddress: {
fontSize: 11,
color: "#6b7280",
lineHeight: 1.4,
marginTop: 4,
},
detailRow: {
flexDirection: "row",
justifyContent: "space-between",
marginBottom: 4,
},
detailLabel: {
fontSize: 11,
color: "#6b7280",
flex: 1,
},
detailValue: {
fontSize: 10,
fontFamily: "AzeretMono",
color: "#111827",
fontWeight: "semibold",
flex: 1,
textAlign: "right",
},
// Notes section (first page only)
notesSection: {
marginTop: 20,
marginBottom: 20,
padding: 15,
backgroundColor: "#f9fafb",
borderRadius: 4,
border: "1px solid #e5e7eb",
},
notesTitle: {
fontSize: 12,
fontWeight: "bold",
color: "#111827",
marginBottom: 6,
},
notesContent: {
fontSize: 10,
color: "#6b7280",
lineHeight: 1.4,
},
// Separator styles
headerSeparator: {
height: 1,
backgroundColor: "#e5e7eb",
marginVertical: 8,
},
// Abridged header (other pages)
abridgedHeader: {
flexDirection: "row",
justifyContent: "space-between",
alignItems: "center",
marginBottom: 20,
paddingBottom: 15,
borderBottom: "1px solid #e5e7eb",
},
abridgedBusinessName: {
fontSize: 18,
fontWeight: "bold",
color: "#111827",
},
abridgedInvoiceInfo: {
flexDirection: "row",
alignItems: "center",
gap: 15,
},
abridgedInvoiceTitle: {
fontSize: 16,
fontWeight: "bold",
color: "#10b981",
},
abridgedInvoiceNumber: {
fontSize: 13,
fontWeight: "semibold",
fontFamily: "AzeretMono",
color: "#111827",
},
// Table styles
tableContainer: {
flex: 1,
marginBottom: 20,
},
tableHeader: {
flexDirection: "row",
backgroundColor: "#f3f4f6",
borderBottom: "2px solid #10b981",
paddingVertical: 8,
paddingHorizontal: 4,
},
tableHeaderCell: {
fontSize: 11,
fontWeight: "bold",
color: "#111827",
paddingHorizontal: 4,
},
tableHeaderDate: {
width: "15%",
},
tableHeaderDescription: {
width: "40%",
},
tableHeaderHours: {
width: "12%",
textAlign: "right",
},
tableHeaderRate: {
width: "15%",
textAlign: "right",
},
tableHeaderAmount: {
width: "18%",
textAlign: "right",
},
tableRow: {
flexDirection: "row",
borderBottom: "1px solid #e5e7eb",
paddingVertical: 2,
paddingHorizontal: 4,
alignItems: "flex-start",
},
tableRowAlt: {
backgroundColor: "#f9fafb",
},
tableCell: {
fontSize: 10,
color: "#111827",
paddingHorizontal: 4,
paddingVertical: 2,
},
tableCellDate: {
width: "15%",
fontFamily: "AzeretMono",
fontWeight: "semibold",
alignSelf: "flex-start",
},
tableCellDescription: {
width: "40%",
lineHeight: 1.3,
alignSelf: "flex-start",
},
tableCellHours: {
width: "12%",
textAlign: "right",
fontFamily: "AzeretMono",
fontWeight: "semibold",
alignSelf: "flex-start",
},
tableCellRate: {
width: "15%",
textAlign: "right",
fontFamily: "AzeretMono",
fontWeight: "semibold",
alignSelf: "flex-start",
},
tableCellAmount: {
width: "18%",
textAlign: "right",
fontFamily: "AzeretMono",
fontWeight: "bold",
alignSelf: "flex-start",
},
// Totals section
totalsSection: {
marginTop: 20,
flexDirection: "row",
justifyContent: "flex-end",
},
totalsBox: {
width: 250,
padding: 15,
backgroundColor: "#f9fafb",
border: "1px solid #e5e7eb",
borderRadius: 4,
},
totalRow: {
flexDirection: "row",
justifyContent: "space-between",
marginBottom: 6,
},
totalLabel: {
fontSize: 11,
color: "#6b7280",
},
totalAmount: {
fontSize: 10,
fontFamily: "AzeretMono",
color: "#111827",
fontWeight: "semibold",
},
finalTotalRow: {
flexDirection: "row",
justifyContent: "space-between",
marginTop: 8,
paddingTop: 8,
borderTop: "2px solid #10b981",
},
finalTotalLabel: {
fontSize: 14,
fontWeight: "bold",
color: "#1f2937",
},
finalTotalAmount: {
fontSize: 15,
fontFamily: "AzeretMono",
fontWeight: "bold",
color: "#10b981",
},
itemCount: {
fontSize: 9,
color: "#6b7280",
textAlign: "center",
marginTop: 6,
fontStyle: "italic",
},
// Footer
footer: {
position: "absolute",
bottom: 30,
left: 40,
right: 40,
flexDirection: "row",
justifyContent: "space-between",
alignItems: "center",
paddingTop: 15,
borderTop: "1px solid #e5e7eb",
},
footerLogo: {
flexDirection: "row",
alignItems: "center",
gap: 8,
},
pageNumber: {
fontSize: 10,
color: "#6b7280",
},
});
// Helper functions
const formatCurrency = (amount: number) => {
return new Intl.NumberFormat("en-US", {
style: "currency",
currency: "USD",
}).format(amount);
};
const formatDate = (date: Date) => {
return new Date(date).toLocaleDateString("en-US", {
year: "numeric",
month: "2-digit",
day: "2-digit",
});
};
const getStatusLabel = (status: string) => {
switch (status) {
case "paid":
return "PAID";
case "draft":
case "sent":
case "overdue":
default:
return "UNPAID";
}
};
const getStatusStyle = (status: string) => {
switch (status) {
case "paid":
return [styles.statusBadge, styles.statusPaid];
default:
return [styles.statusBadge, styles.statusUnpaid];
}
};
// Dynamic pagination calculation based on page height
function calculateItemsPerPage(
isFirstPage: boolean,
hasNotes: boolean,
): number {
// Estimate available space in points (1 point = 1/72 inch)
const pageHeight = 792; // Letter size height in points
const margins = 80; // Top + bottom margins
const footerSpace = 60; // Footer space
let availableHeight = pageHeight - margins - footerSpace;
if (isFirstPage) {
// Dense header takes significant space
availableHeight -= 200; // Dense header space
} else {
// Abridged header is smaller
availableHeight -= 60; // Abridged header space
}
if (hasNotes) {
// Last page needs space for totals and notes
availableHeight -= 120; // Totals + notes space
} else {
// Regular page just needs totals space
availableHeight -= 80; // Totals space only
}
// Table header takes space
availableHeight -= 30; // Table header
// Each row is approximately 18 points (includes padding and text)
const rowHeight = 18;
return Math.max(1, Math.floor(availableHeight / rowHeight));
}
// Dynamic pagination function
function paginateItems(
items: NonNullable<InvoiceData["items"]>,
hasNotes = false,
) {
const validItems = items.filter(Boolean);
const pages: Array<typeof validItems> = [];
if (validItems.length === 0) {
return [[]];
}
let currentIndex = 0;
let pageIndex = 0;
while (currentIndex < validItems.length) {
const isFirstPage = pageIndex === 0;
const remainingItems = validItems.length - currentIndex;
// Calculate items per page for this page
let itemsPerPage = calculateItemsPerPage(isFirstPage, false);
// Check if this would create orphans (< 4 items on next page)
if (remainingItems > itemsPerPage && remainingItems - itemsPerPage < 4) {
// Distribute items more evenly to avoid orphans
itemsPerPage = Math.floor(remainingItems / 2);
}
// Check if this is the last page and needs space for totals/notes
const isLastPage = currentIndex + itemsPerPage >= validItems.length;
if (isLastPage && hasNotes) {
// Recalculate with space for totals and notes
const maxItemsWithNotes = calculateItemsPerPage(false, true);
itemsPerPage = Math.min(itemsPerPage, maxItemsWithNotes);
}
const pageItems = validItems.slice(
currentIndex,
currentIndex + itemsPerPage,
);
pages.push(pageItems);
currentIndex += itemsPerPage;
pageIndex++;
}
return pages;
}
// Dense header component (first page)
const DenseHeader: React.FC<{ invoice: InvoiceData }> = ({ invoice }) => (
<View style={styles.denseHeader}>
<View style={styles.headerTop}>
<View style={styles.businessSection}>
<Text style={styles.businessName}>
{invoice.business?.name ?? "Your Business Name"}
</Text>
{invoice.business?.email && (
<Text style={styles.businessInfo}>{invoice.business.email}</Text>
)}
{invoice.business?.phone && (
<Text style={styles.businessInfo}>{invoice.business.phone}</Text>
)}
{(invoice.business?.addressLine1 ??
invoice.business?.city ??
invoice.business?.state) && (
<Text style={styles.businessAddress}>
{[
invoice.business?.addressLine1,
invoice.business?.addressLine2,
invoice.business?.city &&
invoice.business?.state &&
invoice.business?.postalCode
? `${invoice.business.city}, ${invoice.business.state} ${invoice.business.postalCode}`
: [
invoice.business?.city,
invoice.business?.state,
invoice.business?.postalCode,
]
.filter(Boolean)
.join(", "),
invoice.business?.country,
]
.filter(Boolean)
.join("\n")}
</Text>
)}
</View>
<View style={styles.invoiceSection}>
<Text style={styles.invoiceTitle}>INVOICE</Text>
<Text style={styles.invoiceNumber}>#{invoice.invoiceNumber}</Text>
<View style={getStatusStyle(invoice.status)}>
<Text>{getStatusLabel(invoice.status)}</Text>
</View>
</View>
</View>
<View style={styles.headerSeparator} />
<View style={styles.detailsSection}>
<View style={styles.detailsColumn}>
<Text style={styles.sectionTitle}>BILL TO:</Text>
<Text style={styles.clientName}>{invoice.client?.name ?? "N/A"}</Text>
{invoice.client?.email && (
<Text style={styles.clientInfo}>{invoice.client.email}</Text>
)}
{invoice.client?.phone && (
<Text style={styles.clientInfo}>{invoice.client.phone}</Text>
)}
{(invoice.client?.addressLine1 ??
invoice.client?.city ??
invoice.client?.state) && (
<Text style={styles.clientAddress}>
{[
invoice.client?.addressLine1,
invoice.client?.addressLine2,
invoice.client?.city,
invoice.client?.state,
invoice.client?.postalCode,
]
.filter(Boolean)
.join(", ")}
{invoice.client?.country ? "\n" + invoice.client.country : ""}
</Text>
)}
</View>
<View style={styles.detailsColumn}>
<Text style={styles.sectionTitle}>INVOICE DETAILS:</Text>
<View style={styles.detailRow}>
<Text style={styles.detailLabel}>Issue Date:</Text>
<Text style={styles.detailValue}>
{formatDate(invoice.issueDate)}
</Text>
</View>
<View style={styles.detailRow}>
<Text style={styles.detailLabel}>Due Date:</Text>
<Text style={styles.detailValue}>{formatDate(invoice.dueDate)}</Text>
</View>
<View style={styles.detailRow}>
<Text style={styles.detailLabel}>Invoice #:</Text>
<Text style={styles.detailValue}>{invoice.invoiceNumber}</Text>
</View>
</View>
</View>
</View>
);
// Abridged header component (other pages)
const AbridgedHeader: React.FC<{ invoice: InvoiceData }> = ({ invoice }) => (
<View style={styles.abridgedHeader}>
<Text style={styles.abridgedBusinessName}>
{invoice.business?.name ?? "Your Business Name"}
</Text>
<View style={styles.abridgedInvoiceInfo}>
<Text style={styles.abridgedInvoiceTitle}>INVOICE</Text>
<Text style={styles.abridgedInvoiceNumber}>#{invoice.invoiceNumber}</Text>
</View>
</View>
);
// Table header component
const TableHeader: React.FC = () => (
<View style={styles.tableHeader}>
<Text style={[styles.tableHeaderCell, styles.tableHeaderDate]}>Date</Text>
<Text style={[styles.tableHeaderCell, styles.tableHeaderDescription]}>
Description
</Text>
<Text style={[styles.tableHeaderCell, styles.tableHeaderHours]}>Hours</Text>
<Text style={[styles.tableHeaderCell, styles.tableHeaderRate]}>Rate</Text>
<Text style={[styles.tableHeaderCell, styles.tableHeaderAmount]}>
Amount
</Text>
</View>
);
// Footer component
const NotesSection: React.FC<{ invoice: InvoiceData }> = ({ invoice }) => {
if (!invoice.notes) return null;
return (
<View style={styles.notesSection}>
<Text style={styles.notesTitle}>Notes:</Text>
<Text style={styles.notesContent}>{invoice.notes}</Text>
</View>
);
};
const Footer: React.FC = () => (
<View style={styles.footer} fixed>
<View style={styles.footerLogo}>
<Image
src="/beenvoice-logo.png"
style={{
height: 24,
}}
/>
</View>
<Text
style={styles.pageNumber}
render={({ pageNumber, totalPages }) =>
`Page ${pageNumber} of ${totalPages}`
}
/>
</View>
);
// Totals section component
const TotalsSection: React.FC<{
invoice: InvoiceData;
items: Array<NonNullable<InvoiceData["items"]>[0]>;
}> = ({ invoice, items }) => {
const subtotal = items.reduce((sum, item) => sum + (item?.amount ?? 0), 0);
const taxAmount = (subtotal * invoice.taxRate) / 100;
return (
<View style={styles.totalsSection}>
<View style={styles.totalsBox}>
<View style={styles.totalRow}>
<Text style={styles.totalLabel}>Subtotal:</Text>
<Text style={styles.totalAmount}>{formatCurrency(subtotal)}</Text>
</View>
{invoice.taxRate > 0 && (
<View style={styles.totalRow}>
<Text style={styles.totalLabel}>Tax ({invoice.taxRate}%):</Text>
<Text style={styles.totalAmount}>{formatCurrency(taxAmount)}</Text>
</View>
)}
<View style={styles.finalTotalRow}>
<Text style={styles.finalTotalLabel}>Total:</Text>
<Text style={styles.finalTotalAmount}>
{formatCurrency(invoice.totalAmount)}
</Text>
</View>
<Text style={styles.itemCount}>
{items.length} item{items.length !== 1 ? "s" : ""}
</Text>
</View>
</View>
);
};
// Main PDF component
const InvoicePDF: React.FC<{ invoice: InvoiceData }> = ({ invoice }) => {
const items = invoice.items?.filter(Boolean) ?? [];
const paginatedItems = paginateItems(items, Boolean(invoice.notes));
return (
<Document>
{paginatedItems.map((pageItems, pageIndex) => {
const isFirstPage = pageIndex === 0;
const isLastPage = pageIndex === paginatedItems.length - 1;
const hasItems = pageItems.length > 0;
return (
<Page key={`page-${pageIndex}`} size="LETTER" style={styles.page}>
{/* Header */}
{isFirstPage ? (
<DenseHeader invoice={invoice} />
) : (
<AbridgedHeader invoice={invoice} />
)}
{/* Table */}
{hasItems && (
<View style={styles.tableContainer}>
<TableHeader />
{pageItems.map(
(item, index) =>
item && (
<View
key={`${pageIndex}-${index}`}
style={[
styles.tableRow,
index % 2 === 0 ? styles.tableRowAlt : {},
]}
>
<Text style={[styles.tableCell, styles.tableCellDate]}>
{formatDate(item.date)}
</Text>
<Text
style={[
styles.tableCell,
styles.tableCellDescription,
]}
>
{item.description}
</Text>
<Text style={[styles.tableCell, styles.tableCellHours]}>
{item.hours}
</Text>
<Text style={[styles.tableCell, styles.tableCellRate]}>
{formatCurrency(item.rate)}
</Text>
<Text
style={[styles.tableCell, styles.tableCellAmount]}
>
{formatCurrency(item.amount)}
</Text>
</View>
),
)}
</View>
)}
{/* Totals (only on last page) */}
{isLastPage && <TotalsSection invoice={invoice} items={items} />}
{/* Notes (only on last page) */}
{isLastPage && <NotesSection invoice={invoice} />}
{/* Footer */}
<Footer />
</Page>
);
})}
</Document>
);
};
// Export functions
export async function generateInvoicePDF(invoice: InvoiceData): Promise<void> {
try {
// Validate invoice data
if (!invoice) {
throw new Error("Invoice data is required");
}
if (!invoice.invoiceNumber) {
throw new Error("Invoice number is required");
}
if (!invoice.client?.name) {
throw new Error("Client information is required");
}
// Generate PDF blob with timeout
const pdfPromise = pdf(<InvoicePDF invoice={invoice} />).toBlob();
const timeoutPromise = new Promise<never>((_, reject) =>
setTimeout(() => reject(new Error("PDF generation timed out")), 30000),
);
const blob = await Promise.race([pdfPromise, timeoutPromise]);
// Validate blob
if (!blob || blob.size === 0) {
throw new Error("Generated PDF is empty");
}
// Create filename with timestamp for uniqueness
const timestamp = new Date().toISOString().slice(0, 10);
const filename = `Invoice_${invoice.invoiceNumber}_${timestamp}.pdf`;
// Download the PDF
saveAs(blob, filename);
} catch (error) {
console.error("PDF generation error:", error);
// Provide more specific error messages
if (error instanceof Error) {
if (error.message.includes("timeout")) {
throw new Error("PDF generation took too long. Please try again.");
} else if (error.message.includes("empty")) {
throw new Error("Generated PDF is invalid. Please try again.");
} else if (error.message.includes("required")) {
throw new Error(error.message);
}
}
throw new Error("Failed to generate PDF. Please try again.");
}
}
// Additional utility function for generating PDF without downloading
export async function generateInvoicePDFBlob(
invoice: InvoiceData,
): Promise<Blob> {
try {
// Validate invoice data
if (!invoice) {
throw new Error("Invoice data is required");
}
if (!invoice.invoiceNumber) {
throw new Error("Invoice number is required");
}
if (!invoice.client?.name) {
throw new Error("Client information is required");
}
// Generate PDF blob
const blob = await pdf(<InvoicePDF invoice={invoice} />).toBlob();
// Validate blob
if (!blob || blob.size === 0) {
throw new Error("Generated PDF is empty");
}
return blob;
} catch (error) {
console.error("PDF generation error:", error);
throw new Error("Failed to generate PDF");
}
}