46 lines
No EOL
1.6 KiB
TypeScript
46 lines
No EOL
1.6 KiB
TypeScript
import { eq } from "drizzle-orm";
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import { cache } from "./app";
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import cacheSchema from "@schema/cache";
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import { GithubReleaseSchema } from "@/shared/constants";
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export const CACHE_KEYS = {
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ROM_PLATFORMS: 'rom-platforms',
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STORE_GAME: (path: string) => `store-game-${path}`,
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STORE_GAME_MANIFEST: 'store-game-manifest'
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} as const;
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export async function getOrCached<T> (key: string, getter: () => Promise<T>, options?: { expireMs?: number; }): Promise<T>
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{
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const cached = await cache.query.item_cache.findFirst({ where: eq(cacheSchema.item_cache.key, key) });
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const updated_at = new Date();
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if (cached && cached.expire_at > updated_at)
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{
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return cached.data as T;
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}
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const data = await getter();
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if (data === undefined) return data;
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const expire_at = options?.expireMs ? new Date(updated_at.getTime() + options.expireMs) : new Date(updated_at.getTime() + 24 * 60 * 60 * 1000);
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await cache.insert(cacheSchema.item_cache)
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.values({ key, data, updated_at, expire_at })
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.onConflictDoUpdate({
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target: cacheSchema.item_cache.key,
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set: { data, updated_at, expire_at }
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})
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.run();
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return data;
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}
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export async function getOrCachedGithubRelease (path: string)
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{
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return getOrCached(`github-release-${path}`, async () =>
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{
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const response = await fetch(`https://api.github.com/repos/${path}/releases/latest`, { method: "GET" });
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if (!response.ok) throw new Error(response.statusText);
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return GithubReleaseSchema.parseAsync(await response.json());
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});
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} |