feat(don): widget resilience

ts will never fail

app/api/donate/hb/route.ts

@@ -6,38 +6,47 @@ import { and, asc, not, sql } from "drizzle-orm";
 import type { NextRequest } from "next/server";
 import { getPostHogClient } from "@/lib/posthog-server";
 
+async function runResume() {
+  const [havent] = await db
+    .select()
+    .from(donations)
+    .where(
+      and(
+        not(donations.sent),
+        sql`${donations.lastPing} < NOW() - INTERVAL '2 minutes'`,
+      ),
+    )
+    .limit(1)
+    .orderBy(asc(donations.id));
+  if (!havent) return;
+  getPostHogClient().capture({
+    distinctId: String(havent.id),
+    event: "donation_resent",
+    properties: { donation_id: havent.id, amount: havent.amount },
+  });
+  const result = {
+    ...havent,
+    message: havent.message ?? "",
+    image: havent.image
+      ? await fileToDataUrl(new File([Buffer.from(havent.image)], "abc.jpeg"))
+      : undefined,
+  };
+  sse.donate.pub("ping", result);
+  return result;
+}
+
 export async function PATCH(req: NextRequest) {
   const tag = Number(req.nextUrl.searchParams.get("tag") ?? "abc");
+  const resume = req.nextUrl.searchParams.get("resume") === "true";
   if (Number.isNaN(tag))
     return Response.json({ error: "Invalid Tag" }, { status: 400 });
 
-  queueMicrotask(async () => {
-    const [havent] = await db
-      .select()
-      .from(donations)
-      .where(
-        and(
-          not(donations.sent),
-          sql`${donations.lastPing} < NOW() - INTERVAL '2 minutes'`,
-        ),
-      )
-      .limit(1)
-      .orderBy(asc(donations.id));
-    if (!havent) return;
-    getPostHogClient().capture({
-      distinctId: String(havent.id),
-      event: "donation_resent",
-      properties: { donation_id: havent.id, amount: havent.amount },
-    });
-    sse.donate.pub("ping", {
-      ...havent,
-      message: havent.message ?? "",
-      image: havent.image
-        ? await fileToDataUrl(new File([Buffer.from(havent.image)], "abc.jpeg"))
-        : undefined,
-    });
-  });
+  if (!resume) queueMicrotask(runResume);
 
   sse.donate.pub("heartbeat", tag);
+  if (resume) {
+    const res = await runResume();
+    if (res) return Response.json(res, { status: 302 });
+  }
   return Response.json({ success: true });
 }