Merge pull request #237 from gabrielpastori1/add-send-presence

Add sendPresence

Author: DavidsonGomes

.vscode/settings.json

@@ -5,8 +5,8 @@
   "editor.smoothScrolling": true,
   "editor.tabSize": 2,
   "editor.codeActionsOnSave": {
-     "source.fixAll.eslint": true,
-     "source.fixAll": true
+    "source.fixAll.eslint": "explicit",
+    "source.fixAll": "explicit"
   },
   "prisma-smart-formatter.typescript.defaultFormatter": "esbenp.prettier-vscode",
   "prisma-smart-formatter.prisma.defaultFormatter": "Prisma.prisma"

src/validate/validate.schema.ts

@@ -149,6 +149,16 @@ export const textMessageSchema: JSONSchema7 = {
   required: ['textMessage', 'number'],
 };
 
+export const presenceSchema: JSONSchema7 = {
+  $id: v4(),
+  type: 'object',
+  properties: {
+    number: { ...numberDefinition },
+    options: { ...optionsSchema, required: ['presence', 'delay'] },
+  },
+  required: ['options', 'number'],
+};
+
 export const pollMessageSchema: JSONSchema7 = {
   $id: v4(),
   type: 'object',

src/whatsapp/controllers/chat.controller.ts

@@ -9,6 +9,7 @@ import {
   ProfilePictureDto,
   ProfileStatusDto,
   ReadMessageDto,
+  SendPresenceDto,
   WhatsAppNumberDto,
 } from '../dto/chat.dto';
 import { InstanceDto } from '../dto/instance.dto';
@@ -77,6 +78,11 @@ export class ChatController {
     return await this.waMonitor.waInstances[instanceName].fetchChats();
   }
 
+  public async sendPresence({ instanceName }: InstanceDto, data: SendPresenceDto) {
+    logger.verbose('requested sendPresence from ' + instanceName + ' instance');
+    return await this.waMonitor.waInstances[instanceName].sendPresence(data);
+  }
+
   public async fetchPrivacySettings({ instanceName }: InstanceDto) {
     logger.verbose('requested fetchPrivacySettings from ' + instanceName + ' instance');
     return await this.waMonitor.waInstances[instanceName].fetchPrivacySettings();

src/whatsapp/dto/chat.dto.ts

@@ -1,4 +1,4 @@
-import { proto, WAPrivacyOnlineValue, WAPrivacyValue, WAReadReceiptsValue } from '@whiskeysockets/baileys';
+import { proto, WAPresence, WAPrivacyOnlineValue, WAPrivacyValue, WAReadReceiptsValue } from '@whiskeysockets/baileys';
 
 export class OnWhatsAppDto {
   constructor(public readonly jid: string, public readonly exists: boolean, public readonly name?: string) {}
@@ -83,3 +83,20 @@ export class DeleteMessage {
   remoteJid: string;
   participant?: string;
 }
+export class Options {
+  delay?: number;
+  presence?: WAPresence;
+}
+class OptionsMessage {
+  options: Options;
+}
+export class Metadata extends OptionsMessage {
+  number: string;
+}
+
+export class SendPresenceDto extends Metadata {
+  options: {
+    presence: WAPresence;
+    delay: number;
+  };
+}

src/whatsapp/dto/sendMessage.dto.ts

@@ -46,9 +46,13 @@ class PollMessage {
   values: string[];
   messageSecret?: Uint8Array;
 }
+
 export class SendTextDto extends Metadata {
   textMessage: TextMessage;
 }
+export class SendPresence extends Metadata {
+  textMessage: TextMessage;
+}
 
 export class SendStatusDto extends Metadata {
   statusMessage: StatusMessage;

src/whatsapp/routers/chat.router.ts

@@ -7,6 +7,7 @@ import {
   deleteMessageSchema,
   messageUpSchema,
   messageValidateSchema,
+  presenceSchema,
   privacySettingsSchema,
   profileNameSchema,
   profilePictureSchema,
@@ -26,6 +27,7 @@ import {
   ProfilePictureDto,
   ProfileStatusDto,
   ReadMessageDto,
+  SendPresenceDto,
   WhatsAppNumberDto,
 } from '../dto/chat.dto';
 import { InstanceDto } from '../dto/instance.dto';
@@ -228,6 +230,22 @@ export class ChatRouter extends RouterBroker {
 
         return res.status(HttpStatus.OK).json(response);
       })
+      .post(this.routerPath('sendPresence'), ...guards, async (req, res) => {
+        logger.verbose('request received in sendPresence');
+        logger.verbose('request body: ');
+        logger.verbose(req.body);
+
+        logger.verbose('request query: ');
+        logger.verbose(req.query);
+        const response = await this.dataValidate<null>({
+          request: req,
+          schema: presenceSchema,
+          ClassRef: SendPresenceDto,
+          execute: (instance, data) => chatController.sendPresence(instance, data),
+        });
+
+        return res.status(HttpStatus.CREATED).json(response);
+      })
       // Profile routes
       .get(this.routerPath('fetchPrivacySettings'), ...guards, async (req, res) => {
         logger.verbose('request received in fetchPrivacySettings');

src/whatsapp/services/whatsapp.service.ts

@@ -84,6 +84,7 @@ import {
   OnWhatsAppDto,
   PrivacySettingDto,
   ReadMessageDto,
+  SendPresenceDto,
   WhatsAppNumberDto,
 } from '../dto/chat.dto';
 import {
@@ -2409,6 +2410,38 @@ export class WAStartupService {
     return this.stateConnection;
   }
 
+  public async sendPresence(data: SendPresenceDto) {
+    try {
+      const { number } = data;
+
+      this.logger.verbose(`Check if number "${number}" is WhatsApp`);
+      const isWA = (await this.whatsappNumber({ numbers: [number] }))?.shift();
+
+      this.logger.verbose(`Exists: "${isWA.exists}" | jid: ${isWA.jid}`);
+      if (!isWA.exists && !isJidGroup(isWA.jid) && !isWA.jid.includes('@broadcast')) {
+        throw new BadRequestException(isWA);
+      }
+
+      const sender = isWA.jid;
+
+      this.logger.verbose('Sending presence');
+      await this.client.presenceSubscribe(sender);
+      this.logger.verbose('Subscribing to presence');
+
+      await this.client.sendPresenceUpdate(data.options?.presence ?? 'composing', sender);
+      this.logger.verbose('Sending presence update: ' + data.options?.presence ?? 'composing');
+
+      await delay(data.options.delay);
+      this.logger.verbose('Set delay: ' + data.options.delay);
+
+      await this.client.sendPresenceUpdate('paused', sender);
+      this.logger.verbose('Sending presence update: paused');
+    } catch (error) {
+      this.logger.error(error);
+      throw new BadRequestException(error.toString());
+    }
+  }
+
   // Send Message Controller
   public async textMessage(data: SendTextDto, isChatwoot = false) {
     this.logger.verbose('Sending text message');