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import { ICache } from '@api/abstract/abstract.cache';
import { CacheConf, CacheConfRedis, ConfigService } from '@config/env.config';
import { Logger } from '@config/logger.config';
import { BufferJSON } from 'baileys';
import { RedisClientType } from 'redis';
import { redisClient } from './rediscache.client';
export class RedisCache implements ICache {
private readonly logger = new Logger('RedisCache');
private client: RedisClientType;
private conf: CacheConfRedis;
constructor(
private readonly configService: ConfigService,
private readonly module: string,
) {
this.conf = this.configService.get<CacheConf>('CACHE')?.REDIS;
this.client = redisClient.getConnection();
}
async get(key: string): Promise<any> {
try {
return JSON.parse(await this.client.get(this.buildKey(key)));
} catch (error) {
this.logger.error(error);
}
}
async hGet(key: string, field: string) {
try {
const data = await this.client.hGet(this.buildKey(key), field);
if (data) {
return JSON.parse(data, BufferJSON.reviver);
}
return null;
} catch (error) {
this.logger.error(error);
}
}
async set(key: string, value: any, ttl?: number) {
try {
await this.client.setEx(this.buildKey(key), ttl || this.conf?.TTL, JSON.stringify(value));
} catch (error) {
this.logger.error(error);
}
}
async hSet(key: string, field: string, value: any) {
try {
const json = JSON.stringify(value, BufferJSON.replacer);
await this.client.hSet(this.buildKey(key), field, json);
} catch (error) {
this.logger.error(error);
}
}
async has(key: string) {
try {
return (await this.client.exists(this.buildKey(key))) > 0;
} catch (error) {
this.logger.error(error);
}
}
async delete(key: string) {
try {
return await this.client.del(this.buildKey(key));
} catch (error) {
this.logger.error(error);
}
}
async hDelete(key: string, field: string) {
try {
return await this.client.hDel(this.buildKey(key), field);
} catch (error) {
this.logger.error(error);
}
}
async deleteAll(appendCriteria?: string) {
try {
const keys = await this.keys(appendCriteria);
if (!keys?.length) {
return 0;
}
return await this.client.del(keys);
} catch (error) {
this.logger.error(error);
}
}
async keys(appendCriteria?: string) {
try {
const match = `${this.buildKey('')}${appendCriteria ? `${appendCriteria}:` : ''}*`;
const keys = [];
for await (const key of this.client.scanIterator({
MATCH: match,
COUNT: 100,
})) {
keys.push(key);
}
return [...new Set(keys)];
} catch (error) {
this.logger.error(error);
}
}
buildKey(key: string) {
return `${this.conf?.PREFIX_KEY}:${this.module}:${key}`;
}
}
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