glass beadian
aa5e262f3a
Self-hosted multi-platform broadcast newsroom for activist collectives: publishing pipeline with group approval and DST-proof scheduling, TweetDeck-style column wall with hostile-content-safe rendering, live control room with Auto Director, bridged chat governance with polls and quorum, distributed sandboxed transcode workers, encrypted content-addressed archive, monthly analytics. MIT licensed. See README.md and docs/.
28 lines
1.3 KiB
TypeScript
28 lines
1.3 KiB
TypeScript
import type { FeedDependencies } from "./feeds.dependencies.js";
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/** TTL-faithful Redis surface, including ownership checks for renewable leases. */
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type FeedRedis = FeedDependencies["redis"];
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export class MemoryFeedRedis implements FeedRedis {
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readonly entries = new Map<string, { value: string; expiresAt: number }>();
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async get(key: string): Promise<string | null> {
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const entry = this.entries.get(key);
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if (!entry || entry.expiresAt <= Date.now()) { this.entries.delete(key); return null; }
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return entry.value;
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}
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async set(key: string, value: string, options: { nx?: boolean; pxMs?: number } = {}): Promise<boolean> {
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// Atomic NX check: do not yield between reading and writing.
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const entry = this.entries.get(key);
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if (options.nx && entry && entry.expiresAt > Date.now()) return false;
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this.entries.set(key, { value, expiresAt: Date.now() + (options.pxMs ?? 1000) });
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return true;
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}
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async eval(script: string, keys: string[], args: string[]): Promise<number> {
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const key = keys[0] ?? "";
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const entry = this.entries.get(key);
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if (!entry || entry.value !== args[0] || entry.expiresAt <= Date.now()) return 0;
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if (script.includes("PEXPIRE")) entry.expiresAt = Date.now() + Number(args[1]);
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else this.entries.delete(key);
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return 1;
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}
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close(): void {}
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}
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