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path: root/src/trigger/notifications.ts
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import { createClient } from "@supabase/supabase-js";
import { envvars, schedules } from "@trigger.dev/sdk";
import * as webpush from "web-push";

export const notificationsTask = schedules.task({
	id: "notifications",
	run: async (_payload, { ctx }) => {
		const environment = ctx.environment.slug;
		const triggerProjectReference = ctx.project.ref;
		const getUserSubscriptions = async () => {
			const { data, error } = await createClient(
				(
					await envvars.retrieve(
						triggerProjectReference,
						environment,
						"SUPABASE_URL",
					)
				).value,
				(
					await envvars.retrieve(
						triggerProjectReference,
						environment,
						"SUPABASE_SERVICE_ROLE_KEY",
					)
				).value,
			)
				.from("user_notifications")
				.select("*");

			if (error) return [];

			return data;
		};

		webpush.setVapidDetails(
			(
				await envvars.retrieve(
					triggerProjectReference,
					environment,
					"VAPID_SUBJECT",
				)
			).value,
			(
				await envvars.retrieve(
					triggerProjectReference,
					environment,
					"VAPID_PUBLIC_KEY",
				)
			).value,
			(
				await envvars.retrieve(
					triggerProjectReference,
					environment,
					"VAPID_PRIVATE_KEY",
				)
			).value,
		);

		for (const subscription of await getUserSubscriptions())
			try {
				await webpush.sendNotification(subscription.subscription, ".");
			} catch (error) {
				console.error(error);
			}

		return {};
	},
});