26 lines
1.2 KiB
TypeScript
26 lines
1.2 KiB
TypeScript
import { Ratelimit } from "@upstash/ratelimit";
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import { type RedisWithClusterOptions } from "~/redis.server";
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import { createRedisRateLimitClient, RateLimiter } from "~/services/rateLimiter.server";
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import { singleton } from "~/utils/singleton";
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// The query ai-title endpoint lives under `/resources/*`, which the global
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// apiRateLimiter (only `/api/*`) does not cover, so it needs its own per-user
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// cap. Exported so the policy is asserted in tests rather than re-encoded.
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export const AI_TITLE_RATE_LIMIT_ATTEMPTS = 30;
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export const AI_TITLE_RATE_LIMIT_WINDOW = "10 m" as const;
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/**
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* Build the ai-title per-user rate limiter. Production uses the env-derived
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* rate-limit Redis; tests inject a container Redis.
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*/
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export function createAITitleRateLimiter(redisOptions?: RedisWithClusterOptions): RateLimiter {
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return new RateLimiter({
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...(redisOptions ? { redisClient: createRedisRateLimitClient(redisOptions) } : {}),
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keyPrefix: "query.ai-title",
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limiter: Ratelimit.slidingWindow(AI_TITLE_RATE_LIMIT_ATTEMPTS, AI_TITLE_RATE_LIMIT_WINDOW),
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logFailure: true,
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});
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}
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export const aiTitleRateLimiter = singleton("aiTitleRateLimiter", () => createAITitleRateLimiter());
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