29 lines
854 B
TypeScript
29 lines
854 B
TypeScript
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import { redis } from "../deps.ts";
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import config from "./config.ts";
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class ReviewCommentManager {
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private redis: redis.Redis;
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constructor() {
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this.redis = redis.createLazyClient({
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...redis.parseURL(config.redisUrl),
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maxRetryCount: 3,
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});
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}
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async getAndIncrement(key: string): Promise<number> {
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if (!this.redis.isConnected) {
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// seems like pipelines don't quite work with the lazy client
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await this.redis.ping();
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}
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const pl = this.redis.pipeline();
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pl.incr(`reviewcomment:${key}`);
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pl.expire(`reviewcomment:${key}`, 3);
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const results = await pl.flush();
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const newValue = results[0] as number;
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return newValue - 1; // return old value
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}
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}
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export const reviewCommentManager = new ReviewCommentManager();
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