30 lines
953 B
TypeScript
30 lines
953 B
TypeScript
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import { readFile, writeFile } from "fs/promises";
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export async function POST(request: Request) {
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const body: { subscription: PushSubscriptionJSON } = await request.json();
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let subscriptions: PushSubscriptionJSON[];
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try {
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subscriptions = JSON.parse(await readFile("push-subscriptions.json", "utf-8"));
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} catch (err: any) {
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if (err.code !== "ENOENT") {
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throw err;
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}
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subscriptions = [];
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}
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const existingIndex = subscriptions.findIndex(sub => sub.endpoint === body.subscription.endpoint);
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if (existingIndex !== -1) {
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subscriptions[existingIndex] = body.subscription;
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} else {
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subscriptions.push(body.subscription);
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}
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await writeFile(
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"push-subscriptions.json",
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JSON.stringify(subscriptions, undefined, "\t"),
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"utf-8"
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);
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if (existingIndex !== -1) {
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return new Response(JSON.stringify({ message: "Existing subscription refreshed."}));
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}
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return new Response(JSON.stringify({ message: "New subscription registered."}));
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}
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