feat: add receipts to the payment service

2026-03-19 13:40:17 +04:00
parent a7f56c69d3
commit 113c1101c4
6 changed files with 198 additions and 35 deletions
@@ -50,5 +50,7 @@ export async function migrate() {
  await sql`CREATE INDEX IF NOT EXISTS idx_payments_status ON payments(status)`;
  await sql`CREATE INDEX IF NOT EXISTS idx_payments_account ON payments(account_id)`;

+  await sql`ALTER TABLE payments ADD COLUMN IF NOT EXISTS receipt_html TEXT`;
+
  console.log("Pay DB ready");
 }
@@ -5,7 +5,7 @@ import { getAddressInfo, getAddressInfoBulk } from "./freedom";
 import { COINS } from "./plans";

 const SOCK_API = process.env.FREEDOM_SOCK ?? "https://sock-v1.freedom.st";
-const THRESHOLD = 0.995;
+const THRESHOLD = 0.95;

 // ── In-memory lookups for SSE matching ──────────────────────────────
 let addressMap = new Map<string, any>();       // address → payment
@@ -178,4 +178,137 @@ export const routes = new Elysia()
    };
  })

+  // Generate or serve a locked receipt for a paid invoice
+  .get("/checkout/:id/receipt", async ({ accountId, params, set }) => {
+    const [payment] = await sql`
+      SELECT * FROM payments WHERE id = ${params.id} AND account_id = ${accountId}
+    `;
+    if (!payment) { set.status = 404; return { error: "Payment not found" }; }
+    if (payment.status !== "paid") { set.status = 400; return { error: "Receipt is only available for paid invoices" }; }
+
+    // If receipt already generated, serve it as-is (locked)
+    if (payment.receipt_html) {
+      set.headers["content-type"] = "text/html; charset=utf-8";
+      return payment.receipt_html;
+    }
+
+    // Generate receipt
+    const coinInfo = COINS[payment.coin];
+    const txs = await sql`
+      SELECT txid, amount, confirmed, detected_at
+      FROM payment_txs WHERE payment_id = ${payment.id}
+      ORDER BY detected_at ASC
+    `;
+
+    const paidDate = payment.paid_at
+      ? new Date(payment.paid_at).toLocaleDateString("en-US", { year: "numeric", month: "long", day: "numeric" })
+      : "—";
+    const createdDate = new Date(payment.created_at).toLocaleDateString("en-US", { year: "numeric", month: "long", day: "numeric" });
+    const planLabel = payment.plan === "lifetime" ? "Lifetime" : `Pro × ${payment.months} month${payment.months > 1 ? "s" : ""}`;
+
+    const txRows = txs.map((tx: any) => {
+      const date = new Date(tx.detected_at).toLocaleDateString("en-US", { year: "numeric", month: "short", day: "numeric", hour: "2-digit", minute: "2-digit" });
+      return `<tr>
+        <td style="padding:8px 12px;border-bottom:1px solid #e5e7eb;font-family:monospace;font-size:12px;word-break:break-all">${tx.txid}</td>
+        <td style="padding:8px 12px;border-bottom:1px solid #e5e7eb;text-align:right">${tx.amount} ${coinInfo?.ticker || payment.coin.toUpperCase()}</td>
+        <td style="padding:8px 12px;border-bottom:1px solid #e5e7eb;text-align:right">${date}</td>
+      </tr>`;
+    }).join("");
+
+    const receiptHtml = `<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>PingQL Receipt #${payment.id}</title>
+  <style>
+    * { margin: 0; padding: 0; box-sizing: border-box; }
+    body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; color: #1a1a1a; max-width: 640px; margin: 0 auto; padding: 40px 24px; }
+    .print-btn { background: #2563eb; color: white; border: none; padding: 10px 24px; border-radius: 6px; font-size: 14px; cursor: pointer; margin-bottom: 32px; display: inline-block; }
+    .print-btn:hover { background: #3b82f6; }
+    @media print { .no-print { display: none !important; } body { padding: 0; } }
+    .header { border-bottom: 2px solid #1a1a1a; padding-bottom: 16px; margin-bottom: 24px; }
+    .logo { font-size: 24px; font-weight: 700; }
+    .logo span { color: #2563eb; }
+    .meta { color: #6b7280; font-size: 13px; margin-top: 4px; }
+    .section { margin-bottom: 24px; }
+    .section-title { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: #6b7280; margin-bottom: 8px; }
+    .row { display: flex; justify-content: space-between; padding: 6px 0; font-size: 14px; }
+    .row .label { color: #6b7280; }
+    .row .value { font-weight: 500; }
+    .total { border-top: 2px solid #1a1a1a; padding-top: 12px; margin-top: 12px; font-size: 16px; font-weight: 600; }
+    table { width: 100%; border-collapse: collapse; font-size: 13px; }
+    thead th { text-align: left; padding: 8px 12px; border-bottom: 2px solid #e5e7eb; font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: #6b7280; }
+    .address { font-family: monospace; font-size: 12px; color: #6b7280; word-break: break-all; }
+    .footer { margin-top: 40px; padding-top: 16px; border-top: 1px solid #e5e7eb; font-size: 12px; color: #9ca3af; }
+  </style>
+</head>
+<body>
+  <div class="no-print">
+    <button class="print-btn" onclick="window.print()">Print Receipt</button>
+  </div>
+
+  <div class="header">
+    <div class="logo">Ping<span>QL</span></div>
+    <div class="meta">Receipt #${payment.id} · Issued ${paidDate}</div>
+  </div>
+
+  <div class="section">
+    <div class="section-title">Plan</div>
+    <div class="row">
+      <span class="label">Product</span>
+      <span class="value">PingQL ${planLabel}</span>
+    </div>
+    <div class="row">
+      <span class="label">Invoice Date</span>
+      <span class="value">${createdDate}</span>
+    </div>
+    <div class="row">
+      <span class="label">Payment Date</span>
+      <span class="value">${paidDate}</span>
+    </div>
+  </div>
+
+  <div class="section">
+    <div class="section-title">Payment</div>
+    <div class="row">
+      <span class="label">Currency</span>
+      <span class="value">${coinInfo?.label || payment.coin} (${coinInfo?.ticker || payment.coin.toUpperCase()})</span>
+    </div>
+    <div class="row">
+      <span class="label">Amount Paid</span>
+      <span class="value">${payment.amount_received || payment.amount_crypto} ${coinInfo?.ticker || payment.coin.toUpperCase()}</span>
+    </div>
+    <div class="row">
+      <span class="label">Payment Address</span>
+      <span class="value address">${payment.address}</span>
+    </div>
+    <div class="row total">
+      <span>Total (USD)</span>
+      <span>$${Number(payment.amount_usd).toFixed(2)}</span>
+    </div>
+  </div>
+
+  ${txs.length > 0 ? `<div class="section">
+    <div class="section-title">Transactions</div>
+    <table>
+      <thead><tr><th>Transaction ID</th><th style="text-align:right">Amount</th><th style="text-align:right">Date</th></tr></thead>
+      <tbody>${txRows}</tbody>
+    </table>
+  </div>` : ""}
+
+  <div class="footer">
+    PingQL · pingql.com<br>
+    This receipt was generated on ${paidDate} and cannot be modified.
+  </div>
+</body>
+</html>`;
+
+    // Lock the receipt by storing it
+    await sql`UPDATE payments SET receipt_html = ${receiptHtml} WHERE id = ${payment.id}`;
+
+    set.headers["content-type"] = "text/html; charset=utf-8";
+    return receiptHtml;
+  })
+
 ;