Merge branch 'main' of https://github.com/unilogica/evolution-api

src/libs/redis.client.ts

@@ -0,0 +1,109 @@
+import { createClient, RedisClientType } from '@redis/client';
+import { BufferJSON } from '@whiskeysockets/baileys';
+
+import { Redis } from '../config/env.config';
+import { Logger } from '../config/logger.config';
+
+export class RedisCache {
+  async disconnect() {
+    await this.client.disconnect();
+    this.statusConnection = false;
+  }
+  constructor() {
+    this.logger.verbose('instance created');
+    process.on('beforeExit', async () => {
+      this.logger.verbose('instance destroyed');
+      if (this.statusConnection) {
+        this.logger.verbose('instance disconnect');
+        await this.client.disconnect();
+      }
+    });
+  }
+
+  private statusConnection = false;
+  private instanceName: string;
+  private redisEnv: Redis;
+
+  public set reference(reference: string) {
+    this.logger.verbose('set reference: ' + reference);
+    this.instanceName = reference;
+  }
+
+  public async connect(redisEnv: Redis) {
+    this.logger.verbose('connecting');
+    this.client = createClient({ url: redisEnv.URI });
+    this.logger.verbose('connected in ' + redisEnv.URI);
+    await this.client.connect();
+    this.statusConnection = true;
+    this.redisEnv = redisEnv;
+  }
+
+  private readonly logger = new Logger(RedisCache.name);
+  private client: RedisClientType;
+
+  public async instanceKeys(): Promise<string[]> {
+    try {
+      this.logger.verbose('instance keys: ' + this.redisEnv.PREFIX_KEY + ':*');
+      return await this.client.sendCommand(['keys', this.redisEnv.PREFIX_KEY + ':*']);
+    } catch (error) {
+      this.logger.error(error);
+    }
+  }
+
+  public async keyExists(key?: string) {
+    if (key) {
+      this.logger.verbose('keyExists: ' + key);
+      return !!(await this.instanceKeys()).find((i) => i === key);
+    }
+    this.logger.verbose('keyExists: ' + this.instanceName);
+    return !!(await this.instanceKeys()).find((i) => i === this.instanceName);
+  }
+
+  public async writeData(field: string, data: any) {
+    try {
+      this.logger.verbose('writeData: ' + field);
+      const json = JSON.stringify(data, BufferJSON.replacer);
+
+      return await this.client.hSet(this.redisEnv.PREFIX_KEY + ':' + this.instanceName, field, json);
+    } catch (error) {
+      this.logger.error(error);
+    }
+  }
+
+  public async readData(field: string) {
+    try {
+      this.logger.verbose('readData: ' + field);
+      const data = await this.client.hGet(this.redisEnv.PREFIX_KEY + ':' + this.instanceName, field);
+
+      if (data) {
+        this.logger.verbose('readData: ' + field + ' success');
+        return JSON.parse(data, BufferJSON.reviver);
+      }
+
+      this.logger.verbose('readData: ' + field + ' not found');
+      return null;
+    } catch (error) {
+      this.logger.error(error);
+    }
+  }
+
+  public async removeData(field: string) {
+    try {
+      this.logger.verbose('removeData: ' + field);
+      return await this.client.hDel(this.redisEnv.PREFIX_KEY + ':' + this.instanceName, field);
+    } catch (error) {
+      this.logger.error(error);
+    }
+  }
+
+  public async delAll(hash?: string) {
+    try {
+      this.logger.verbose('instance delAll: ' + hash);
+      const result = await this.client.del(hash || this.redisEnv.PREFIX_KEY + ':' + this.instanceName);
+
+      return result;
+    } catch (error) {
+      this.logger.error(error);
+    }
+  }
+}