include cost info in subscription cancelation message

src/packages/server/purchases/cancel-subscription.ts

@@ -1,6 +1,7 @@
 import getPool, { PoolClient } from "@cocalc/database/pool";
 import send, { support, url, name } from "@cocalc/server/messages/send";
 import adminAlert from "@cocalc/server/messages/admin-alert";
+import { currency } from "@cocalc/util/misc";
 
 interface Options {
   account_id: string;
@@ -34,17 +35,18 @@ export async function sendCancelNotification({
 }) {
   const pool = client ?? getPool();
   const { rows } = await pool.query(
-    "SELECT account_id, canceled_reason FROM subscriptions where id=$1",
+    "SELECT account_id, canceled_reason, cost, interval FROM subscriptions where id=$1",
     [subscription_id],
   );
   if (rows.length == 0) {
     return;
   }
-  const { account_id, canceled_reason } = rows[0];
+  const { account_id, canceled_reason, cost, interval } = rows[0];
 
   const subject = `Subscription Id=${subscription_id} Canceled`;
   const body = `
-This is a confirmation that your subscription (id=${subscription_id}) was canceled.
+This is a confirmation that your subscription (id=${subscription_id}) that
+costs ${currency(cost)}/${interval} was canceled.
 
 **REASON:** ${JSON.stringify(canceled_reason)}
 
@@ -60,12 +62,14 @@ ${await support()}
   });
 
   adminAlert({
-    subject: `Alert -- User Subscription Id=${subscription_id} was Canceled`,
+    subject: `Alert -- User Subscription for ${currency(cost)}/${interval} Id=${subscription_id} was Canceled`,
     body: `
 - User: ${await name(account_id)}, account_id=${account_id}
 
 - User provided reason: "${JSON.stringify(canceled_reason)}"
 
+- Cost: ${currency(cost)}/${interval}
+
 - subscription_id=${subscription_id}
 
 `,