fix: reorganization of files and folders

src/api/services/auth.service.ts

@@ -0,0 +1,180 @@
+import axios from 'axios';
+import { isJWT } from 'class-validator';
+import { sign, verify } from 'jsonwebtoken';
+import { v4 } from 'uuid';
+
+import { name as apiName } from '../../../package.json';
+import { Auth, ConfigService, Webhook } from '../../config/env.config';
+import { Logger } from '../../config/logger.config';
+import { BadRequestException } from '../../exceptions';
+import { InstanceDto } from '../dto/instance.dto';
+import { RepositoryBroker } from '../repository/repository.manager';
+import { WAMonitoringService } from './monitor.service';
+
+export type JwtPayload = {
+  instanceName: string;
+  apiName: string;
+  jwt?: string;
+  apikey?: string;
+  tokenId: string;
+};
+
+export class OldToken {
+  oldToken: string;
+}
+
+export class AuthService {
+  constructor(
+    private readonly configService: ConfigService,
+    private readonly waMonitor: WAMonitoringService,
+    private readonly repository: RepositoryBroker,
+  ) {}
+
+  private readonly logger = new Logger(AuthService.name);
+
+  private async jwt(instance: InstanceDto) {
+    const jwtOpts = this.configService.get<Auth>('AUTHENTICATION').JWT;
+    const token = sign(
+      {
+        instanceName: instance.instanceName,
+        apiName,
+        tokenId: v4(),
+      },
+      jwtOpts.SECRET,
+      { expiresIn: jwtOpts.EXPIRIN_IN, encoding: 'utf8', subject: 'g-t' },
+    );
+
+    this.logger.verbose('JWT token created: ' + token);
+
+    const auth = await this.repository.auth.create(
+      { jwt: token, instanceId: instance.instanceId },
+      instance.instanceName,
+    );
+
+    this.logger.verbose('JWT token saved in database');
+
+    if (auth['error']) {
+      this.logger.error({
+        localError: AuthService.name + '.jwt',
+        error: auth['error'],
+      });
+      throw new BadRequestException('Authentication error', auth['error']?.toString());
+    }
+
+    return { jwt: token };
+  }
+
+  private async apikey(instance: InstanceDto, token?: string) {
+    const apikey = token ? token : v4().toUpperCase();
+
+    this.logger.verbose(token ? 'APIKEY defined: ' + apikey : 'APIKEY created: ' + apikey);
+
+    const auth = await this.repository.auth.create({ apikey, instanceId: instance.instanceId }, instance.instanceName);
+
+    this.logger.verbose('APIKEY saved in database');
+
+    if (auth['error']) {
+      this.logger.error({
+        localError: AuthService.name + '.apikey',
+        error: auth['error'],
+      });
+      throw new BadRequestException('Authentication error', auth['error']?.toString());
+    }
+
+    return { apikey };
+  }
+
+  public async checkDuplicateToken(token: string) {
+    const instances = await this.waMonitor.instanceInfo();
+
+    this.logger.verbose('checking duplicate token');
+
+    const instance = instances.find((instance) => instance.instance.apikey === token);
+
+    if (instance) {
+      throw new BadRequestException('Token already exists');
+    }
+
+    this.logger.verbose('available token');
+
+    return true;
+  }
+
+  public async generateHash(instance: InstanceDto, token?: string) {
+    const options = this.configService.get<Auth>('AUTHENTICATION');
+
+    this.logger.verbose('generating hash ' + options.TYPE + ' to instance: ' + instance.instanceName);
+
+    return (await this[options.TYPE](instance, token)) as { jwt: string } | { apikey: string };
+  }
+
+  public async refreshToken({ oldToken }: OldToken) {
+    this.logger.verbose('refreshing token');
+
+    if (!isJWT(oldToken)) {
+      throw new BadRequestException('Invalid "oldToken"');
+    }
+
+    try {
+      const jwtOpts = this.configService.get<Auth>('AUTHENTICATION').JWT;
+
+      this.logger.verbose('checking oldToken');
+
+      const decode = verify(oldToken, jwtOpts.SECRET, {
+        ignoreExpiration: true,
+      }) as Pick<JwtPayload, 'apiName' | 'instanceName' | 'tokenId'>;
+
+      this.logger.verbose('checking token in database');
+
+      const tokenStore = await this.repository.auth.find(decode.instanceName);
+
+      const decodeTokenStore = verify(tokenStore.jwt, jwtOpts.SECRET, {
+        ignoreExpiration: true,
+      }) as Pick<JwtPayload, 'apiName' | 'instanceName' | 'tokenId'>;
+
+      this.logger.verbose('checking tokenId');
+
+      if (decode.tokenId !== decodeTokenStore.tokenId) {
+        throw new BadRequestException('Invalid "oldToken"');
+      }
+
+      this.logger.verbose('generating new token');
+
+      const token = {
+        jwt: (await this.jwt({ instanceName: decode.instanceName })).jwt,
+        instanceName: decode.instanceName,
+      };
+
+      try {
+        this.logger.verbose('checking webhook');
+        const webhook = await this.repository.webhook.find(decode.instanceName);
+        if (webhook?.enabled && this.configService.get<Webhook>('WEBHOOK').EVENTS.NEW_JWT_TOKEN) {
+          this.logger.verbose('sending webhook');
+
+          const httpService = axios.create({ baseURL: webhook.url });
+          await httpService.post(
+            '',
+            {
+              event: 'new.jwt',
+              instance: decode.instanceName,
+              data: token,
+            },
+            { params: { owner: this.waMonitor.waInstances[decode.instanceName].wuid } },
+          );
+        }
+      } catch (error) {
+        this.logger.error(error);
+      }
+
+      this.logger.verbose('token refreshed');
+
+      return token;
+    } catch (error) {
+      this.logger.error({
+        localError: AuthService.name + '.refreshToken',
+        error,
+      });
+      throw new BadRequestException('Invalid "oldToken"');
+    }
+  }
+}

src/api/services/cache.service.ts

@@ -0,0 +1,62 @@
+import { Logger } from '../../config/logger.config';
+import { ICache } from '../abstract/abstract.cache';
+
+export class CacheService {
+  private readonly logger = new Logger(CacheService.name);
+
+  constructor(private readonly cache: ICache) {
+    if (cache) {
+      this.logger.verbose(`cacheservice created using cache engine: ${cache.constructor?.name}`);
+    } else {
+      this.logger.verbose(`cacheservice disabled`);
+    }
+  }
+
+  async get(key: string): Promise<any> {
+    if (!this.cache) {
+      return;
+    }
+    this.logger.verbose(`cacheservice getting key: ${key}`);
+    return this.cache.get(key);
+  }
+
+  async set(key: string, value: any) {
+    if (!this.cache) {
+      return;
+    }
+    this.logger.verbose(`cacheservice setting key: ${key}`);
+    this.cache.set(key, value);
+  }
+
+  async has(key: string) {
+    if (!this.cache) {
+      return;
+    }
+    this.logger.verbose(`cacheservice has key: ${key}`);
+    return this.cache.has(key);
+  }
+
+  async delete(key: string) {
+    if (!this.cache) {
+      return;
+    }
+    this.logger.verbose(`cacheservice deleting key: ${key}`);
+    return this.cache.delete(key);
+  }
+
+  async deleteAll(appendCriteria?: string) {
+    if (!this.cache) {
+      return;
+    }
+    this.logger.verbose(`cacheservice deleting all keys`);
+    return this.cache.deleteAll(appendCriteria);
+  }
+
+  async keys(appendCriteria?: string) {
+    if (!this.cache) {
+      return;
+    }
+    this.logger.verbose(`cacheservice getting all keys`);
+    return this.cache.keys(appendCriteria);
+  }
+}

src/api/services/chamaai.service.ts

@@ -0,0 +1,230 @@
+import axios from 'axios';
+import { writeFileSync } from 'fs';
+import path from 'path';
+
+import { ConfigService, HttpServer } from '../../config/env.config';
+import { Logger } from '../../config/logger.config';
+import { ChamaaiDto } from '../dto/chamaai.dto';
+import { InstanceDto } from '../dto/instance.dto';
+import { ChamaaiRaw } from '../models';
+import { Events } from '../types/wa.types';
+import { WAMonitoringService } from './monitor.service';
+
+export class ChamaaiService {
+  constructor(private readonly waMonitor: WAMonitoringService, private readonly configService: ConfigService) {}
+
+  private readonly logger = new Logger(ChamaaiService.name);
+
+  public create(instance: InstanceDto, data: ChamaaiDto) {
+    this.logger.verbose('create chamaai: ' + instance.instanceName);
+    this.waMonitor.waInstances[instance.instanceName].setChamaai(data);
+
+    return { chamaai: { ...instance, chamaai: data } };
+  }
+
+  public async find(instance: InstanceDto): Promise<ChamaaiRaw> {
+    try {
+      this.logger.verbose('find chamaai: ' + instance.instanceName);
+      const result = await this.waMonitor.waInstances[instance.instanceName].findChamaai();
+
+      if (Object.keys(result).length === 0) {
+        throw new Error('Chamaai not found');
+      }
+
+      return result;
+    } catch (error) {
+      return { enabled: false, url: '', token: '', waNumber: '', answerByAudio: false };
+    }
+  }
+
+  private getTypeMessage(msg: any) {
+    this.logger.verbose('get type message');
+
+    const types = {
+      conversation: msg.conversation,
+      extendedTextMessage: msg.extendedTextMessage?.text,
+    };
+
+    this.logger.verbose('type message: ' + types);
+
+    return types;
+  }
+
+  private getMessageContent(types: any) {
+    this.logger.verbose('get message content');
+    const typeKey = Object.keys(types).find((key) => types[key] !== undefined);
+
+    const result = typeKey ? types[typeKey] : undefined;
+
+    this.logger.verbose('message content: ' + result);
+
+    return result;
+  }
+
+  private getConversationMessage(msg: any) {
+    this.logger.verbose('get conversation message');
+
+    const types = this.getTypeMessage(msg);
+
+    const messageContent = this.getMessageContent(types);
+
+    this.logger.verbose('conversation message: ' + messageContent);
+
+    return messageContent;
+  }
+
+  private calculateTypingTime(text: string) {
+    const wordsPerMinute = 100;
+
+    const wordCount = text.split(' ').length;
+    const typingTimeInMinutes = wordCount / wordsPerMinute;
+    const typingTimeInMilliseconds = typingTimeInMinutes * 60;
+    return typingTimeInMilliseconds;
+  }
+
+  private convertToMilliseconds(count: number) {
+    const averageCharactersPerSecond = 15;
+    const characterCount = count;
+    const speakingTimeInSeconds = characterCount / averageCharactersPerSecond;
+    return speakingTimeInSeconds;
+  }
+
+  private getRegexPatterns() {
+    const patternsToCheck = [
+      '.*atend.*humano.*',
+      '.*falar.*com.*um.*humano.*',
+      '.*fala.*humano.*',
+      '.*atend.*humano.*',
+      '.*fala.*atend.*',
+      '.*preciso.*ajuda.*',
+      '.*quero.*suporte.*',
+      '.*preciso.*assiste.*',
+      '.*ajuda.*atend.*',
+      '.*chama.*atendente.*',
+      '.*suporte.*urgente.*',
+      '.*atend.*por.*favor.*',
+      '.*quero.*falar.*com.*alguém.*',
+      '.*falar.*com.*um.*humano.*',
+      '.*transfer.*humano.*',
+      '.*transfer.*atend.*',
+      '.*equipe.*humano.*',
+      '.*suporte.*humano.*',
+    ];
+
+    const regexPatterns = patternsToCheck.map((pattern) => new RegExp(pattern, 'iu'));
+    return regexPatterns;
+  }
+
+  public async sendChamaai(instance: InstanceDto, remoteJid: string, msg: any) {
+    const content = this.getConversationMessage(msg.message);
+    const msgType = msg.messageType;
+    const find = await this.find(instance);
+    const url = find.url;
+    const token = find.token;
+    const waNumber = find.waNumber;
+    const answerByAudio = find.answerByAudio;
+
+    if (!content && msgType !== 'audioMessage') {
+      return;
+    }
+
+    let data;
+    let endpoint;
+
+    if (msgType === 'audioMessage') {
+      const downloadBase64 = await this.waMonitor.waInstances[instance.instanceName].getBase64FromMediaMessage({
+        message: {
+          ...msg,
+        },
+      });
+
+      const random = Math.random().toString(36).substring(7);
+      const nameFile = `${random}.ogg`;
+
+      const fileData = Buffer.from(downloadBase64.base64, 'base64');
+
+      const fileName = `${path.join(
+        this.waMonitor.waInstances[instance.instanceName].storePath,
+        'temp',
+        `${nameFile}`,
+      )}`;
+
+      writeFileSync(fileName, fileData, 'utf8');
+
+      const urlServer = this.configService.get<HttpServer>('SERVER').URL;
+
+      const url = `${urlServer}/store/temp/${nameFile}`;
+
+      data = {
+        waNumber: waNumber,
+        audioUrl: url,
+        queryNumber: remoteJid.split('@')[0],
+        answerByAudio: answerByAudio,
+      };
+      endpoint = 'processMessageAudio';
+    } else {
+      data = {
+        waNumber: waNumber,
+        question: content,
+        queryNumber: remoteJid.split('@')[0],
+        answerByAudio: answerByAudio,
+      };
+      endpoint = 'processMessageText';
+    }
+
+    const request = await axios.post(`${url}/${endpoint}`, data, {
+      headers: {
+        Authorization: `${token}`,
+      },
+    });
+
+    const answer = request.data?.answer;
+
+    const type = request.data?.type;
+
+    const characterCount = request.data?.characterCount;
+
+    if (answer) {
+      if (type === 'text') {
+        this.waMonitor.waInstances[instance.instanceName].textMessage({
+          number: remoteJid.split('@')[0],
+          options: {
+            delay: this.calculateTypingTime(answer) * 1000 || 1000,
+            presence: 'composing',
+            linkPreview: false,
+            quoted: {
+              key: msg.key,
+              message: msg.message,
+            },
+          },
+          textMessage: {
+            text: answer,
+          },
+        });
+      }
+
+      if (type === 'audio') {
+        this.waMonitor.waInstances[instance.instanceName].audioWhatsapp({
+          number: remoteJid.split('@')[0],
+          options: {
+            delay: characterCount ? this.convertToMilliseconds(characterCount) * 1000 || 1000 : 1000,
+            presence: 'recording',
+            encoding: true,
+          },
+          audioMessage: {
+            audio: answer,
+          },
+        });
+      }
+
+      if (this.getRegexPatterns().some((pattern) => pattern.test(answer))) {
+        this.waMonitor.waInstances[instance.instanceName].sendDataWebhook(Events.CHAMA_AI_ACTION, {
+          remoteJid: remoteJid,
+          message: msg,
+          answer: answer,
+          action: 'transfer',
+        });
+      }
+    }
+  }
+}

src/api/services/integration.service.ts

@@ -0,0 +1,33 @@
+import { Logger } from '../../config/logger.config';
+import { InstanceDto } from '../dto/instance.dto';
+import { IntegrationDto } from '../dto/integration.dto';
+import { IntegrationRaw } from '../models';
+import { WAMonitoringService } from './monitor.service';
+
+export class IntegrationService {
+  constructor(private readonly waMonitor: WAMonitoringService) {}
+
+  private readonly logger = new Logger(IntegrationService.name);
+
+  public create(instance: InstanceDto, data: IntegrationDto) {
+    this.logger.verbose('create integration: ' + instance.instanceName);
+    this.waMonitor.waInstances[instance.instanceName].setIntegration(data);
+
+    return { integration: { ...instance, integration: data } };
+  }
+
+  public async find(instance: InstanceDto): Promise<IntegrationRaw> {
+    try {
+      this.logger.verbose('find integration: ' + instance.instanceName);
+      const result = await this.waMonitor.waInstances[instance.instanceName].findIntegration();
+
+      if (Object.keys(result).length === 0) {
+        throw new Error('Integration not found');
+      }
+
+      return result;
+    } catch (error) {
+      return { integration: '', number: '', token: '' };
+    }
+  }
+}

src/api/services/monitor.service.ts

@@ -0,0 +1,504 @@
+import { execSync } from 'child_process';
+import EventEmitter2 from 'eventemitter2';
+import { existsSync, mkdirSync, opendirSync, readdirSync, rmSync, writeFileSync } from 'fs';
+import { Db } from 'mongodb';
+import { Collection } from 'mongoose';
+import { join } from 'path';
+
+import { Auth, ConfigService, Database, DelInstance, HttpServer, Redis } from '../../config/env.config';
+import { Logger } from '../../config/logger.config';
+import { INSTANCE_DIR, STORE_DIR } from '../../config/path.config';
+import { NotFoundException } from '../../exceptions';
+import { RedisCache } from '../../libs/redis.client';
+import {
+  AuthModel,
+  ChamaaiModel,
+  ChatwootModel,
+  ContactModel,
+  LabelModel,
+  ProxyModel,
+  RabbitmqModel,
+  SettingsModel,
+  TypebotModel,
+  WebhookModel,
+  WebsocketModel,
+} from '../models';
+import { RepositoryBroker } from '../repository/repository.manager';
+import { Integration } from '../types/wa.types';
+import { CacheService } from './cache.service';
+import { BaileysStartupService } from './whatsapp.baileys.service';
+import { BusinessStartupService } from './whatsapp.business.service';
+
+export class WAMonitoringService {
+  constructor(
+    private readonly eventEmitter: EventEmitter2,
+    private readonly configService: ConfigService,
+    private readonly repository: RepositoryBroker,
+    private readonly cache: RedisCache,
+    private readonly chatwootCache: CacheService,
+  ) {
+    this.logger.verbose('instance created');
+
+    this.removeInstance();
+    this.noConnection();
+
+    Object.assign(this.db, configService.get<Database>('DATABASE'));
+    Object.assign(this.redis, configService.get<Redis>('REDIS'));
+
+    this.dbInstance = this.db.ENABLED
+      ? this.repository.dbServer?.db(this.db.CONNECTION.DB_PREFIX_NAME + '-instances')
+      : undefined;
+  }
+
+  private readonly db: Partial<Database> = {};
+  private readonly redis: Partial<Redis> = {};
+
+  private dbInstance: Db;
+
+  private readonly logger = new Logger(WAMonitoringService.name);
+  public readonly waInstances: Record<string, BaileysStartupService | BusinessStartupService> = {};
+
+  public delInstanceTime(instance: string) {
+    const time = this.configService.get<DelInstance>('DEL_INSTANCE');
+    if (typeof time === 'number' && time > 0) {
+      this.logger.verbose(`Instance "${instance}" don't have connection, will be removed in ${time} minutes`);
+
+      setTimeout(async () => {
+        if (this.waInstances[instance]?.connectionStatus?.state !== 'open') {
+          if (this.waInstances[instance]?.connectionStatus?.state === 'connecting') {
+            if ((await this.waInstances[instance].findIntegration()).integration === Integration.WHATSAPP_BAILEYS) {
+              await this.waInstances[instance]?.client?.logout('Log out instance: ' + instance);
+              this.waInstances[instance]?.client?.ws?.close();
+              this.waInstances[instance]?.client?.end(undefined);
+            }
+            this.waInstances[instance]?.removeRabbitmqQueues();
+            delete this.waInstances[instance];
+          } else {
+            this.waInstances[instance]?.removeRabbitmqQueues();
+            delete this.waInstances[instance];
+            this.eventEmitter.emit('remove.instance', instance, 'inner');
+          }
+        }
+      }, 1000 * 60 * time);
+    }
+  }
+
+  public async instanceInfo(instanceName?: string) {
+    this.logger.verbose('get instance info');
+    if (instanceName && !this.waInstances[instanceName]) {
+      throw new NotFoundException(`Instance "${instanceName}" not found`);
+    }
+
+    const instances: any[] = [];
+
+    for await (const [key, value] of Object.entries(this.waInstances)) {
+      if (value) {
+        this.logger.verbose('get instance info: ' + key);
+        let chatwoot: any;
+
+        const urlServer = this.configService.get<HttpServer>('SERVER').URL;
+
+        const findChatwoot = await this.waInstances[key].findChatwoot();
+
+        if (findChatwoot && findChatwoot.enabled) {
+          chatwoot = {
+            ...findChatwoot,
+            webhook_url: `${urlServer}/chatwoot/webhook/${encodeURIComponent(key)}`,
+          };
+        }
+
+        const findIntegration = await this.waInstances[key].findIntegration();
+
+        let integration: any;
+        if (findIntegration) {
+          integration = {
+            ...findIntegration,
+            webhook_wa_business: `${urlServer}/webhook/whatsapp/${encodeURIComponent(key)}`,
+          };
+        }
+
+        if (value.connectionStatus.state === 'open') {
+          this.logger.verbose('instance: ' + key + ' - connectionStatus: open');
+
+          const instanceData = {
+            instance: {
+              instanceName: key,
+              instanceId: (await this.repository.auth.find(key))?.instanceId,
+              owner: value.wuid,
+              profileName: (await value.getProfileName()) || 'not loaded',
+              profilePictureUrl: value.profilePictureUrl,
+              profileStatus: (await value.getProfileStatus()) || '',
+              status: value.connectionStatus.state,
+            },
+          };
+
+          if (this.configService.get<Auth>('AUTHENTICATION').EXPOSE_IN_FETCH_INSTANCES) {
+            instanceData.instance['serverUrl'] = this.configService.get<HttpServer>('SERVER').URL;
+
+            instanceData.instance['apikey'] = (await this.repository.auth.find(key))?.apikey;
+
+            instanceData.instance['chatwoot'] = chatwoot;
+
+            instanceData.instance['integration'] = integration;
+          }
+
+          instances.push(instanceData);
+        } else {
+          this.logger.verbose('instance: ' + key + ' - connectionStatus: ' + value.connectionStatus.state);
+
+          const instanceData = {
+            instance: {
+              instanceName: key,
+              instanceId: (await this.repository.auth.find(key))?.instanceId,
+              status: value.connectionStatus.state,
+            },
+          };
+
+          if (this.configService.get<Auth>('AUTHENTICATION').EXPOSE_IN_FETCH_INSTANCES) {
+            instanceData.instance['serverUrl'] = this.configService.get<HttpServer>('SERVER').URL;
+
+            instanceData.instance['apikey'] = (await this.repository.auth.find(key))?.apikey;
+
+            instanceData.instance['chatwoot'] = chatwoot;
+
+            instanceData.instance['integration'] = integration;
+          }
+
+          instances.push(instanceData);
+        }
+      }
+    }
+
+    this.logger.verbose('return instance info: ' + instances.length);
+
+    return instances.find((i) => i.instance.instanceName === instanceName) ?? instances;
+  }
+
+  public async instanceInfoById(instanceId?: string, number?: string) {
+    this.logger.verbose('get instance info');
+    let instanceName: string;
+    if (instanceId) {
+      instanceName = await this.repository.auth.findInstanceNameById(instanceId);
+      if (!instanceName) {
+        throw new NotFoundException(`Instance "${instanceId}" not found`);
+      }
+    } else if (number) {
+      instanceName = await this.repository.auth.findInstanceNameByNumber(number);
+      if (!instanceName) {
+        throw new NotFoundException(`Instance "${number}" not found`);
+      }
+    }
+
+    if (!instanceName) {
+      throw new NotFoundException(`Instance "${instanceId}" not found`);
+    }
+
+    if (instanceName && !this.waInstances[instanceName]) {
+      throw new NotFoundException(`Instance "${instanceName}" not found`);
+    }
+
+    return this.instanceInfo(instanceName);
+  }
+
+  private delInstanceFiles() {
+    this.logger.verbose('cron to delete instance files started');
+    setInterval(async () => {
+      if (this.db.ENABLED && this.db.SAVE_DATA.INSTANCE) {
+        const collections = await this.dbInstance.collections();
+        collections.forEach(async (collection) => {
+          const name = collection.namespace.replace(/^[\w-]+./, '');
+          await this.dbInstance.collection(name).deleteMany({
+            $or: [{ _id: { $regex: /^app.state.*/ } }, { _id: { $regex: /^session-.*/ } }],
+          });
+          this.logger.verbose('instance files deleted: ' + name);
+        });
+      } else if (!this.redis.ENABLED) {
+        const dir = opendirSync(INSTANCE_DIR, { encoding: 'utf-8' });
+        for await (const dirent of dir) {
+          if (dirent.isDirectory()) {
+            const files = readdirSync(join(INSTANCE_DIR, dirent.name), {
+              encoding: 'utf-8',
+            });
+            files.forEach(async (file) => {
+              if (file.match(/^app.state.*/) || file.match(/^session-.*/)) {
+                rmSync(join(INSTANCE_DIR, dirent.name, file), {
+                  recursive: true,
+                  force: true,
+                });
+              }
+            });
+            this.logger.verbose('instance files deleted: ' + dirent.name);
+          }
+        }
+      }
+    }, 3600 * 1000 * 2);
+  }
+
+  public async cleaningUp(instanceName: string) {
+    this.logger.verbose('cleaning up instance: ' + instanceName);
+
+    if (this.db.ENABLED && this.db.SAVE_DATA.INSTANCE) {
+      this.logger.verbose('cleaning up instance in database: ' + instanceName);
+      await this.repository.dbServer.connect();
+      const collections: any[] = await this.dbInstance.collections();
+      if (collections.length > 0) {
+        await this.dbInstance.dropCollection(instanceName);
+      }
+      return;
+    }
+
+    if (this.redis.ENABLED) {
+      this.logger.verbose('cleaning up instance in redis: ' + instanceName);
+      this.cache.reference = instanceName;
+      await this.cache.delAll();
+      return;
+    }
+
+    this.logger.verbose('cleaning up instance in files: ' + instanceName);
+    rmSync(join(INSTANCE_DIR, instanceName), { recursive: true, force: true });
+  }
+
+  public async cleaningStoreFiles(instanceName: string) {
+    if (!this.db.ENABLED) {
+      this.logger.verbose('cleaning store files instance: ' + instanceName);
+      rmSync(join(INSTANCE_DIR, instanceName), { recursive: true, force: true });
+
+      execSync(`rm -rf ${join(STORE_DIR, 'chats', instanceName)}`);
+      execSync(`rm -rf ${join(STORE_DIR, 'contacts', instanceName)}`);
+      execSync(`rm -rf ${join(STORE_DIR, 'message-up', instanceName)}`);
+      execSync(`rm -rf ${join(STORE_DIR, 'messages', instanceName)}`);
+
+      execSync(`rm -rf ${join(STORE_DIR, 'auth', 'apikey', instanceName + '.json')}`);
+      execSync(`rm -rf ${join(STORE_DIR, 'webhook', instanceName + '.json')}`);
+      execSync(`rm -rf ${join(STORE_DIR, 'chatwoot', instanceName + '*')}`);
+      execSync(`rm -rf ${join(STORE_DIR, 'chamaai', instanceName + '*')}`);
+      execSync(`rm -rf ${join(STORE_DIR, 'proxy', instanceName + '*')}`);
+      execSync(`rm -rf ${join(STORE_DIR, 'rabbitmq', instanceName + '*')}`);
+      execSync(`rm -rf ${join(STORE_DIR, 'typebot', instanceName + '*')}`);
+      execSync(`rm -rf ${join(STORE_DIR, 'websocket', instanceName + '*')}`);
+      execSync(`rm -rf ${join(STORE_DIR, 'settings', instanceName + '*')}`);
+      execSync(`rm -rf ${join(STORE_DIR, 'labels', instanceName + '*')}`);
+
+      return;
+    }
+
+    this.logger.verbose('cleaning store database instance: ' + instanceName);
+
+    await AuthModel.deleteMany({ _id: instanceName });
+    await WebhookModel.deleteMany({ _id: instanceName });
+    await ChatwootModel.deleteMany({ _id: instanceName });
+    await ChamaaiModel.deleteMany({ _id: instanceName });
+    await ProxyModel.deleteMany({ _id: instanceName });
+    await RabbitmqModel.deleteMany({ _id: instanceName });
+    await TypebotModel.deleteMany({ _id: instanceName });
+    await WebsocketModel.deleteMany({ _id: instanceName });
+    await SettingsModel.deleteMany({ _id: instanceName });
+    await LabelModel.deleteMany({ owner: instanceName });
+    await ContactModel.deleteMany({ owner: instanceName });
+
+    return;
+  }
+
+  public async loadInstance() {
+    this.logger.verbose('Loading instances');
+
+    try {
+      if (this.redis.ENABLED) {
+        await this.loadInstancesFromRedis();
+      } else if (this.db.ENABLED && this.db.SAVE_DATA.INSTANCE) {
+        await this.loadInstancesFromDatabase();
+      } else {
+        await this.loadInstancesFromFiles();
+      }
+    } catch (error) {
+      this.logger.error(error);
+    }
+  }
+
+  public async saveInstance(data: any) {
+    this.logger.verbose('Save instance');
+
+    try {
+      const msgParsed = JSON.parse(JSON.stringify(data));
+      if (this.db.ENABLED && this.db.SAVE_DATA.INSTANCE) {
+        await this.repository.dbServer.connect();
+        await this.dbInstance.collection(data.instanceName).replaceOne({ _id: 'integration' }, msgParsed, {
+          upsert: true,
+        });
+      } else {
+        const path = join(INSTANCE_DIR, data.instanceName);
+        if (!existsSync(path)) mkdirSync(path, { recursive: true });
+        writeFileSync(path + '/integration.json', JSON.stringify(msgParsed));
+      }
+    } catch (error) {
+      this.logger.error(error);
+    }
+  }
+
+  private async setInstance(name: string) {
+    const integration = await this.repository.integration.find(name);
+
+    let instance: BaileysStartupService | BusinessStartupService;
+    if (integration && integration.integration === Integration.WHATSAPP_BUSINESS) {
+      instance = new BusinessStartupService(
+        this.configService,
+        this.eventEmitter,
+        this.repository,
+        this.cache,
+        this.chatwootCache,
+      );
+
+      instance.instanceName = name;
+    } else {
+      instance = new BaileysStartupService(
+        this.configService,
+        this.eventEmitter,
+        this.repository,
+        this.cache,
+        this.chatwootCache,
+      );
+
+      instance.instanceName = name;
+
+      if (!integration) {
+        await instance.setIntegration({ integration: Integration.WHATSAPP_BAILEYS });
+      }
+    }
+
+    this.logger.verbose('Instance loaded: ' + name);
+    await instance.connectToWhatsapp();
+    this.logger.verbose('connectToWhatsapp: ' + name);
+
+    this.waInstances[name] = instance;
+  }
+
+  private async loadInstancesFromRedis() {
+    this.logger.verbose('Redis enabled');
+    await this.cache.connect(this.redis as Redis);
+    const keys = await this.cache.getInstanceKeys();
+
+    if (keys?.length > 0) {
+      this.logger.verbose('Reading instance keys and setting instances');
+      await Promise.all(keys.map((k) => this.setInstance(k.split(':')[1])));
+    } else {
+      this.logger.verbose('No instance keys found');
+    }
+  }
+
+  private async loadInstancesFromDatabase() {
+    this.logger.verbose('Database enabled');
+    await this.repository.dbServer.connect();
+    const collections: any[] = await this.dbInstance.collections();
+    await this.deleteTempInstances(collections);
+    if (collections.length > 0) {
+      this.logger.verbose('Reading collections and setting instances');
+      await Promise.all(collections.map((coll) => this.setInstance(coll.namespace.replace(/^[\w-]+\./, ''))));
+    } else {
+      this.logger.verbose('No collections found');
+    }
+  }
+
+  private async loadInstancesFromFiles() {
+    this.logger.verbose('Store in files enabled');
+    const dir = opendirSync(INSTANCE_DIR, { encoding: 'utf-8' });
+    const instanceDirs = [];
+
+    for await (const dirent of dir) {
+      if (dirent.isDirectory()) {
+        instanceDirs.push(dirent.name);
+      } else {
+        this.logger.verbose('No instance files found');
+      }
+    }
+
+    await Promise.all(
+      instanceDirs.map(async (instanceName) => {
+        this.logger.verbose('Reading instance files and setting instances: ' + instanceName);
+        const files = readdirSync(join(INSTANCE_DIR, instanceName), { encoding: 'utf-8' });
+
+        if (files.length === 0) {
+          rmSync(join(INSTANCE_DIR, instanceName), { recursive: true, force: true });
+        } else {
+          await this.setInstance(instanceName);
+        }
+      }),
+    );
+  }
+
+  private removeInstance() {
+    this.eventEmitter.on('remove.instance', async (instanceName: string) => {
+      this.logger.verbose('remove instance: ' + instanceName);
+      try {
+        this.logger.verbose('instance: ' + instanceName + ' - removing from memory');
+        this.waInstances[instanceName] = undefined;
+      } catch (error) {
+        this.logger.error(error);
+      }
+
+      try {
+        this.logger.verbose('request cleaning up instance: ' + instanceName);
+        this.cleaningUp(instanceName);
+        this.cleaningStoreFiles(instanceName);
+      } finally {
+        this.logger.warn(`Instance "${instanceName}" - REMOVED`);
+      }
+    });
+    this.eventEmitter.on('logout.instance', async (instanceName: string) => {
+      this.logger.verbose('logout instance: ' + instanceName);
+      try {
+        this.waInstances[instanceName]?.clearCacheChatwoot();
+        this.logger.verbose('request cleaning up instance: ' + instanceName);
+        this.cleaningUp(instanceName);
+      } finally {
+        this.logger.warn(`Instance "${instanceName}" - LOGOUT`);
+      }
+    });
+  }
+
+  private noConnection() {
+    this.logger.verbose('checking instances without connection');
+    this.eventEmitter.on('no.connection', async (instanceName) => {
+      try {
+        this.logger.verbose('logging out instance: ' + instanceName);
+        await this.waInstances[instanceName]?.client?.logout('Log out instance: ' + instanceName);
+
+        this.logger.verbose('close connection instance: ' + instanceName);
+        this.waInstances[instanceName]?.client?.ws?.close();
+
+        this.waInstances[instanceName].instance.qrcode = { count: 0 };
+        this.waInstances[instanceName].stateConnection.state = 'close';
+      } catch (error) {
+        this.logger.error({
+          localError: 'noConnection',
+          warn: 'Error deleting instance from memory.',
+          error,
+        });
+      } finally {
+        this.logger.warn(`Instance "${instanceName}" - NOT CONNECTION`);
+      }
+    });
+  }
+
+  private async deleteTempInstances(collections: Collection<Document>[]) {
+    const shouldDelete = this.configService.get<boolean>('DEL_TEMP_INSTANCES');
+    if (!shouldDelete) {
+      this.logger.verbose('Temp instances deletion is disabled');
+      return;
+    }
+    this.logger.verbose('Cleaning up temp instances');
+    const auths = await this.repository.auth.list();
+    if (auths.length === 0) {
+      this.logger.verbose('No temp instances found');
+      return;
+    }
+    let tempInstances = 0;
+    auths.forEach((auth) => {
+      if (collections.find((coll) => coll.namespace.replace(/^[\w-]+\./, '') === auth._id)) {
+        return;
+      }
+      tempInstances++;
+      this.eventEmitter.emit('remove.instance', auth._id, 'inner');
+    });
+    this.logger.verbose('Temp instances removed: ' + tempInstances);
+  }
+}

src/api/services/proxy.service.ts

@@ -0,0 +1,33 @@
+import { Logger } from '../../config/logger.config';
+import { InstanceDto } from '../dto/instance.dto';
+import { ProxyDto } from '../dto/proxy.dto';
+import { ProxyRaw } from '../models';
+import { WAMonitoringService } from './monitor.service';
+
+export class ProxyService {
+  constructor(private readonly waMonitor: WAMonitoringService) {}
+
+  private readonly logger = new Logger(ProxyService.name);
+
+  public create(instance: InstanceDto, data: ProxyDto) {
+    this.logger.verbose('create proxy: ' + instance.instanceName);
+    this.waMonitor.waInstances[instance.instanceName].setProxy(data);
+
+    return { proxy: { ...instance, proxy: data } };
+  }
+
+  public async find(instance: InstanceDto): Promise<ProxyRaw> {
+    try {
+      this.logger.verbose('find proxy: ' + instance.instanceName);
+      const result = await this.waMonitor.waInstances[instance.instanceName].findProxy();
+
+      if (Object.keys(result).length === 0) {
+        throw new Error('Proxy not found');
+      }
+
+      return result;
+    } catch (error) {
+      return { enabled: false, proxy: null };
+    }
+  }
+}

src/api/services/settings.service.ts

@@ -0,0 +1,32 @@
+import { Logger } from '../../config/logger.config';
+import { InstanceDto } from '../dto/instance.dto';
+import { SettingsDto } from '../dto/settings.dto';
+import { WAMonitoringService } from './monitor.service';
+
+export class SettingsService {
+  constructor(private readonly waMonitor: WAMonitoringService) {}
+
+  private readonly logger = new Logger(SettingsService.name);
+
+  public create(instance: InstanceDto, data: SettingsDto) {
+    this.logger.verbose('create settings: ' + instance.instanceName);
+    this.waMonitor.waInstances[instance.instanceName].setSettings(data);
+
+    return { settings: { ...instance, settings: data } };
+  }
+
+  public async find(instance: InstanceDto): Promise<SettingsDto> {
+    try {
+      this.logger.verbose('find settings: ' + instance.instanceName);
+      const result = await this.waMonitor.waInstances[instance.instanceName].findSettings();
+
+      if (Object.keys(result).length === 0) {
+        throw new Error('Settings not found');
+      }
+
+      return result;
+    } catch (error) {
+      return { reject_call: false, msg_call: '', groups_ignore: true };
+    }
+  }
+}

src/api/services/webhook.service.ts

@@ -0,0 +1,32 @@
+import { Logger } from '../../config/logger.config';
+import { InstanceDto } from '../dto/instance.dto';
+import { WebhookDto } from '../dto/webhook.dto';
+import { WAMonitoringService } from './monitor.service';
+
+export class WebhookService {
+  constructor(private readonly waMonitor: WAMonitoringService) {}
+
+  private readonly logger = new Logger(WebhookService.name);
+
+  public create(instance: InstanceDto, data: WebhookDto) {
+    this.logger.verbose('create webhook: ' + instance.instanceName);
+    this.waMonitor.waInstances[instance.instanceName].setWebhook(data);
+
+    return { webhook: { ...instance, webhook: data } };
+  }
+
+  public async find(instance: InstanceDto): Promise<WebhookDto> {
+    try {
+      this.logger.verbose('find webhook: ' + instance.instanceName);
+      const result = await this.waMonitor.waInstances[instance.instanceName].findWebhook();
+
+      if (Object.keys(result).length === 0) {
+        throw new Error('Webhook not found');
+      }
+
+      return result;
+    } catch (error) {
+      return { enabled: false, url: '', events: [], webhook_by_events: false, webhook_base64: false };
+    }
+  }
+}