Initial push of Plunk Next

apps/api/src/database/prisma.ts

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+import {PrismaClient} from '@prisma/client';
+
+export const prisma = new PrismaClient();

apps/api/src/database/redis.ts

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+import {Redis} from 'ioredis';
+
+import {REDIS_URL} from '../app/constants.js';
+
+export const redis = new Redis(REDIS_URL + '?family=0');
+
+export const REDIS_ONE_MINUTE = 60;
+export const REDIS_DEFAULT_EXPIRY = REDIS_ONE_MINUTE;
+export const TEN_MINUTES_IN_SECONDS = 60 * 10;
+
+/**
+ * @param key The key for redis (use Keys#<type>)
+ * @param fn The function to return a resource. Can be a promise
+ * @param seconds The amount of seconds to hold this resource in redis for. Defaults to 60
+ */
+export async function wrapRedis<T>(key: string, fn: () => Promise<T>, seconds = REDIS_DEFAULT_EXPIRY): Promise<T> {
+  const cached = await redis.get(key);
+  if (cached) {
+    return JSON.parse(cached);
+  }
+
+  const recent = await fn();
+
+  if (recent) {
+    await redis.set(key, JSON.stringify(recent), 'EX', seconds);
+  }
+
+  return recent;
+}
+
+export const cache = {
+  set<T>(key: string, value: T, seconds = REDIS_DEFAULT_EXPIRY): Promise<'OK' | null> {
+    return redis.set(key, JSON.stringify(value), 'EX', seconds);
+  },
+  incr(key: string): Promise<number> {
+    return redis.incr(key);
+  },
+  decr(key: string): Promise<number> {
+    return redis.decr(key);
+  },
+};