Hornwitser
abdcc83eb9
Place the actual push subscription data into a push property on the subscription so that other properties can be added to it.
43 lines
1.4 KiB
TypeScript
43 lines
1.4 KiB
TypeScript
import { readFile, writeFile } from "node:fs/promises";
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import { Schedule } from "~/shared/types/schedule";
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import { generateDemoSchedule } from "./generate-demo-schedule";
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import { Subscription } from "~/shared/types/account";
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// For this demo I'm just storing the runtime data in JSON files. When making
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// this into proper application this should be replaced with an actual database.
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const schedulePath = "data/schedule.json";
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const subscriptionsPath = "data/subscriptions.json";
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async function readJson<T>(filePath: string, fallback: T) {
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let data: T extends () => infer R ? R : T;
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try {
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data = JSON.parse(await readFile(filePath, "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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data = typeof fallback === "function" ? fallback() : fallback;
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}
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return data;
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}
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export async function readSchedule() {
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return readJson(schedulePath, generateDemoSchedule);
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}
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export async function writeSchedule(schedule: Schedule) {
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await writeFile(schedulePath, JSON.stringify(schedule, undefined, "\t") + "\n", "utf-8");
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}
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export async function readSubscriptions() {
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let subscriptions = await readJson<Subscription[]>(subscriptionsPath, []);
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if (subscriptions.length && "keys" in subscriptions[0]) {
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// Discard old format
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subscriptions = [];
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}
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return subscriptions;
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}
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export async function writeSubscriptions(subscriptions: Subscription[]) {
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await writeFile(subscriptionsPath, JSON.stringify(subscriptions, undefined, "\t") + "\n", "utf-8");
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}
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