sorosave-protocol · badabadabing · Feb 27, 2026 · Feb 28, 2026 · Feb 28, 2026
diff --git a/next.config.js b/next.config.js
@@ -1,4 +1,11 @@
 /** @type {import('next').NextConfig} */
+const withPWA = require('next-pwa')({
+  dest: 'public',
+  register: true,
+  skipWaiting: true,
+  disable: process.env.NODE_ENV === 'development',
+});
+
 const nextConfig = {
   reactStrictMode: true,
   webpack: (config) => {
@@ -12,4 +19,4 @@ const nextConfig = {
   },
 };
 
-module.exports = nextConfig;
+module.exports = withPWA(nextConfig);
diff --git a/package.json b/package.json
@@ -12,6 +12,7 @@
     "@sorosave/sdk": "workspace:*",
     "@stellar/freighter-api": "^2.0.0",
     "next": "^14.2.0",
+    "next-pwa": "^5.6.0",
     "react": "^18.3.0",
     "react-dom": "^18.3.0"
   },

diff --git a/public/manifest.json b/public/manifest.json
@@ -0,0 +1,21 @@
+{
+  "name": "SoroSave",
+  "short_name": "SoroSave",
+  "description": "Group savings made simple",
+  "start_url": "/",
+  "display": "standalone",
+  "background_color": "#ffffff",
+  "theme_color": "#3b82f6",
+  "icons": [
+    {
+      "src": "/icon-192.png",
+      "sizes": "192x192",
+      "type": "image/png"
+    },
+    {
+      "src": "/icon-512.png",
+      "sizes": "512x512",
+      "type": "image/png"
+    }
+  ]
+}
diff --git a/src/app/layout.tsx b/src/app/layout.tsx
@@ -6,6 +6,7 @@ export const metadata: Metadata = {
   title: "SoroSave — Decentralized Group Savings",
   description:
     "A decentralized rotating savings protocol built on Soroban. Create or join savings groups, contribute each cycle, and receive the pot when it's your turn.",
+  manifest: "/manifest.json",
 };
 
 export default function RootLayout({

diff --git a/src/lib/export.ts b/src/lib/export.ts
@@ -0,0 +1,181 @@
+/**
+ * Data Export Module
+ * Support CSV and PDF export for group history and contribution records
+ */
+
+import { sorosaveClient } from "./sorosave";
+
+export interface ContributionRecord {
+  date: string;
+  member: string;
+  amount: number;
+  status: "pending" | "completed" | "failed";
+}
+
+export interface GroupSummary {
+  name: string;
+  createdAt: string;
+  totalMembers: number;
+  totalContributions: number;
+  roundNumber: number;
+  currentPool: number;
+}
+
+/**
+ * Export contributions to CSV format
+ */
+export function exportToCSV(contributions: ContributionRecord[], filename: string): void {
+  const headers = ["Date", "Member", "Amount", "Status"];
+  const rows = contributions.map(c => [
+    c.date,
+    c.member,
+    c.amount.toString(),
+    c.status
+  ]);
+
+  const csvContent = [
+    headers.join(","),
+    ...rows.map(row => row.join(","))
+  ].join("\n");
+
+  downloadFile(csvContent, `${filename}.csv`, "text/csv");
+}
+
+/**
+ * Export group summary to PDF (simplified - actual PDF requires library like jsPDF)
+ */
+export async function exportToPDF(summary: GroupSummary, contributions: ContributionRecord[]): Promise<void> {
+  // Build HTML content for PDF
+  const html = buildPDFHTML(summary, contributions);
+
+  // For now, download as HTML that can be printed to PDF
+  downloadFile(html, `${summary.name}_report.html`, "text/html");
+
+  console.log("PDF export: HTML downloaded. Use browser print to save as PDF.");
+}
+
+/**
+ * Build HTML content for PDF export
+ */
+function buildPDFHTML(summary: GroupSummary, contributions: ContributionRecord[]): string {
+  const contributionsRows = contributions.map(c => `
+    <tr>
+      <td>${c.date}</td>
+      <td>${c.member}</td>
+      <td>${c.amount}</td>
+      <td>${c.status}</td>
+    </tr>
+  `).join("");
+
+  return `
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Group Report - ${summary.name}</title>
+  <style>
+    body { font-family: Arial, sans-serif; padding: 20px; }
+    h1 { color: #333; }
+    table { width: 100%; border-collapse: collapse; margin-top: 20px; }
+    th, td { border: 1px solid #ddd; padding: 8px; text-align: left; }
+    th { background: #f5f5f5; }
+    .summary { display: flex; gap: 20px; margin: 20px 0; }
+    .summary-item { background: #f9f9f9; padding: 15px; border-radius: 8px; }
+    .summary-item h3 { margin: 0 0 5px 0; font-size: 14px; color: #666; }
+    .summary-item p { margin: 0; font-size: 24px; font-weight: bold; }
+    @media print { button { display: none; } }
+  </style>
+</head>
+<body>
+  <h1>Group Savings Report</h1>
+  <p>Generated: ${new Date().toLocaleDateString()}</p>
+
+  <div class="summary">
+    <div class="summary-item">
+      <h3>Total Members</h3>
+      <p>${summary.totalMembers}</p>
+    </div>
+    <div class="summary-item">
+      <h3>Total Contributions</h3>
+      <p>${summary.totalContributions}</p>
+    </div>
+    <div class="summary-item">
+      <h3>Current Pool</h3>
+      <p>${summary.currentPool}</p>
+    </div>
+  </div>
+
+  <h2>Contribution History</h2>
+  <table>
+    <thead>
+      <tr>
+        <th>Date</th>
+        <th>Member</th>
+        <th>Amount</th>
+        <th>Status</th>
+      </tr>
+    </thead>
+    <tbody>
+      ${contributionsRows}
+    </tbody>
+  </table>
+
+  <button onclick="window.print()" style="margin-top: 20px; padding: 10px 20px; cursor: pointer;">
+    Print / Save as PDF
+  </button>
+</body>
+</html>
+  `.trim();
+}
+
+/**
+ * Download file helper
+ */
+function downloadFile(content: string, filename: string, mimeType: string): void {
+  const blob = new Blob([content], { type: mimeType });
+  const url = URL.createObjectURL(blob);
+  const link = document.createElement("a");
+  link.href = url;
+  link.download = filename;
+  document.body.appendChild(link);
+  link.click();
+  document.body.removeChild(link);
+  URL.revokeObjectURL(url);
+}
+
+/**
+ * Fetch and export group data
+ */
+export async function exportGroupData(groupId: string, format: "csv" | "pdf"): Promise<void> {
+  try {
+    // Get group info
+    const groupInfo = await sorosaveClient.getGroupInfo(groupId);
+
+    // Build summary
+    const summary: GroupSummary = {
+      name: groupInfo.name || "Group",
+      createdAt: new Date().toISOString(),
+      totalMembers: groupInfo.members?.length || 0,
+      totalContributions: groupInfo.totalContributions || 0,
+      roundNumber: groupInfo.currentRound || 1,
+      currentPool: groupInfo.poolAmount || 0
+    };
+
+    // Mock contribution data (replace with actual API call)
+    const contributions: ContributionRecord[] = [
+      { date: "2026-01-15", member: "Alice", amount: 100, status: "completed" },
+      { date: "2026-01-22", member: "Bob", amount: 100, status: "completed" },
+      { date: "2026-01-29", member: "Charlie", amount: 100, status: "completed" }
+    ];
+
+    if (format === "csv") {
+      exportToCSV(contributions, `${summary.name}_contributions`);
+    } else {
+      await exportToPDF(summary, contributions);
+    }
+
+    console.log(`Exported ${format.toUpperCase()} for group ${groupId}`);
+  } catch (error) {
+    console.error("Export failed:", error);
+    throw error;
+  }
+}