58 lines
1.4 KiB
TypeScript
58 lines
1.4 KiB
TypeScript
/**
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* @ai-summary Redis client and caching service
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* @ai-context Used by all features for caching external API responses
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*/
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import Redis from 'ioredis';
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import { logger } from '../logging/logger';
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import { env } from './environment';
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export const redis = new Redis({
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host: env.REDIS_HOST,
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port: env.REDIS_PORT,
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retryStrategy: (times) => Math.min(times * 50, 2000),
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});
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redis.on('connect', () => {
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logger.info('Redis connected');
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});
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redis.on('error', (err) => {
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logger.error('Redis error', { error: err.message });
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});
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export class CacheService {
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private prefix = 'mvp:';
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async get<T>(key: string): Promise<T | null> {
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try {
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const data = await redis.get(this.prefix + key);
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return data ? JSON.parse(data) : null;
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} catch (error) {
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logger.error('Cache get error', { key, error });
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return null;
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}
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}
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async set(key: string, value: any, ttl?: number): Promise<void> {
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try {
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const data = JSON.stringify(value);
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if (ttl) {
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await redis.setex(this.prefix + key, ttl, data);
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} else {
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await redis.set(this.prefix + key, data);
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}
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} catch (error) {
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logger.error('Cache set error', { key, error });
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}
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}
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async del(key: string): Promise<void> {
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try {
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await redis.del(this.prefix + key);
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} catch (error) {
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logger.error('Cache delete error', { key, error });
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}
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}
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}
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export const cacheService = new CacheService(); |