feat: add support for conversion payments (#59)

src/app/request/[id]/page.tsx

@@ -16,22 +16,25 @@ import { fetchRequestPayments } from '@/lib/queries/request-payments';
 import {
   calculateLongPaymentReference,
   calculateShortPaymentReference,
+  capitalize,
   commonQueryOptions,
   formatTimestamp,
   getAmountWithCurrencySymbol,
   getBalance,
   getContentDataFromCreateTransaction,
+  getPaymentDataFromCreateTransaction,
   getTransactionCreateParameters,
   renderAddress,
 } from '@/lib/utils';
 import { ActorInfo } from '@requestnetwork/data-format';
 import { useQuery } from '@tanstack/react-query';
-import { Copy, File } from 'lucide-react';
+import { Copy, File, Loader2 } from 'lucide-react';
 import Link from 'next/link';
 import { redirect } from 'next/navigation';
 import TimeAgo from 'timeago-react';
 import { JsonEditor } from 'json-edit-react';
 import useExportPDF from '@/lib/hooks/use-export-pdf';
+import { useState } from 'react';
 
 interface RequestPageProps {
   params: {
@@ -107,6 +110,7 @@ const ActorInfoSection = ({ actorInfo }: { actorInfo?: ActorInfo }) => {
 
 export default function RequestPage({ params: { id } }: RequestPageProps) {
   const { exportPDF } = useExportPDF();
+  const [isDownloading, setIsDownloading] = useState(false);
 
   const { data: request, isLoading: isLoadingRequest } = useQuery({
     queryKey: ['request', id],
@@ -151,6 +155,13 @@ export default function RequestPage({ params: { id } }: RequestPageProps) {
 
   const createParameters = getTransactionCreateParameters(firstTransaction);
   const contentData = getContentDataFromCreateTransaction(createParameters);
+  const paymentData = getPaymentDataFromCreateTransaction(createParameters);
+
+  const balanceCurrency =
+    paymentData?.acceptedTokens?.length > 0
+      ? paymentData.acceptedTokens[0]
+      : '';
+
   const buyerData = contentData?.buyerInfo;
   const sellerData = contentData?.sellerInfo;
 
@@ -166,15 +177,23 @@ export default function RequestPage({ params: { id } }: RequestPageProps) {
       ? requestPayments[requestPayments?.length - 1]?.timestamp
       : lastTransaction?.blockTimestamp;
 
-  const handleExportPDF = () => {
-    exportPDF({
-      ...contentData,
-      currency: createParameters.currency,
-      currencyInfo: createParameters.currency,
-      payer: createParameters.payer,
-      payee: createParameters.payee,
-      expectedAmount: createParameters.expectedAmount,
-    });
+  const handleExportPDF = async () => {
+    setIsDownloading(true);
+    try {
+      await exportPDF({
+        ...contentData,
+        currency: createParameters.currency,
+        currencyInfo: createParameters.currency,
+        payer: createParameters.payer,
+        payee: createParameters.payee,
+        expectedAmount: createParameters.expectedAmount,
+        paymentData,
+      });
+    } catch (error) {
+      console.error('Error exporting PDF:', error);
+    } finally {
+      setIsDownloading(false);
+    }
   };
 
   return (
@@ -201,7 +220,11 @@ export default function RequestPage({ params: { id } }: RequestPageProps) {
                   size="sm"
                   className="h-8 gap-1"
                   onClick={handleExportPDF}
+                  disabled={isDownloading}
                 >
+                  {isDownloading && (
+                    <Loader2 className="mr-2 h-4 w-4 animate-spin" />
+                  )}
                   <File className="h-3.5 w-3.5" />
                   <span className="sr-only sm:not-sr-only sm:whitespace-nowrap">
                     Export PDF
@@ -263,7 +286,7 @@ export default function RequestPage({ params: { id } }: RequestPageProps) {
                   <td className="pl-16">
                     {getAmountWithCurrencySymbol(
                       BigInt(balance),
-                      createParameters.currency.value,
+                      balanceCurrency || '',
                     )}
                   </td>
                 </tr>
@@ -294,7 +317,9 @@ export default function RequestPage({ params: { id } }: RequestPageProps) {
                 <tr>
                   <td className="text-muted-foreground">Blockchain:</td>
                   <td className="pl-16">
-                    {createParameters.currency?.network}
+                    {paymentData?.network
+                      ? capitalize(paymentData?.network)
+                      : ''}
                   </td>
                 </tr>
                 <tr>

src/lib/hooks/use-export-pdf.tsx

@@ -4,13 +4,17 @@
 import { Invoice, InvoiceItem } from '@requestnetwork/data-format';
 import { formatUnits, isAddress } from 'viem';
 import { currencyManager } from '../currency-manager';
-import { renderAddress } from '../utils';
+import { capitalize, renderAddress } from '../utils';
+import { PaymentData } from '../types'
 
 declare global {
   interface Window {
     html2pdf: any;
   }
 }
+const RENDER_DELAY_MS = 3000; // Define this at the top of the file or in a config
+
+const sleep = (ms: number) => new Promise((resolve) => setTimeout(resolve, ms));
 
 export default function useExportPDF() {
   const loadScript = (src: string): Promise<void> => {
@@ -60,11 +64,17 @@ export default function useExportPDF() {
       payer: any;
       payee: any;
       expectedAmount: any;
+      paymentData: PaymentData;
     },
   ) => {
     await ensureHtml2PdfLoaded();
 
     const currencyDetails = getCurrencyDetails(invoice.currencyInfo?.value);
+    const paymentCurrencyDetails = getCurrencyDetails(
+      invoice.paymentData?.acceptedTokens?.length > 0
+        ? invoice.paymentData.acceptedTokens[0]
+        : undefined
+    );
 
     const content = `
     <html>
@@ -102,8 +112,9 @@ export default function useExportPDF() {
       </div>
       
       <div style="margin-bottom: 20px;">
-        <strong>Payment Chain:</strong> ${invoice.currencyInfo?.network || '-'}<br>
+        <strong>Payment Chain:</strong> ${invoice?.paymentData?.network ? capitalize(invoice?.paymentData?.network) : '-'}<br>
         <strong>Invoice Currency:</strong> ${currencyDetails?.symbol || '-'}<br>
+        <strong>Settlement Currency:</strong> ${paymentCurrencyDetails?.symbol || "-"}<br>
         <strong>Invoice Type:</strong> Regular Invoice
       </div>
       
@@ -202,6 +213,9 @@ export default function useExportPDF() {
     element.innerHTML = content;
     document.body.appendChild(element);
 
+    // add a delay to ensure the content is rendered before exporting
+    await sleep(RENDER_DELAY_MS);
+
     await window.html2pdf().from(element).set(opt).save();
 
     document.body.removeChild(element);

src/lib/types.ts

@@ -40,3 +40,7 @@ export interface Channel {
   topics: string[];
   transactions: Transaction[];
 }
+export interface PaymentData {
+  acceptedTokens: string[];
+  network: string;
+}

src/lib/utils.ts

@@ -161,6 +161,13 @@ export const getContentDataFromCreateTransaction = (
   return contentData;
 };
 
+export const getPaymentDataFromCreateTransaction = (
+  createParameters: RequestLogicTypes.ICreateParameters,
+) => {
+  const extensionData = createParameters?.extensionsData!;
+  return extensionData[0]?.parameters;
+};
+
 export const getBalance = (payments: Payment[] | undefined) => {
   return payments
     ? payments
@@ -181,3 +188,5 @@ export const renderAddress = (info: ActorInfo | undefined) => {
 
 export const safeTruncateEthAddress = (address: string) =>
   truncateEthAddress(address || '');
+
+export const capitalize = (str: string) => (str && str[0].toUpperCase() + str.slice(1)) || ""