Added connection functionality via pairing code

CHANGELOG.md

@@ -1,3 +1,9 @@
+# 1.4.0 (homolog)
+
+### Features
+
+* Added connection functionality via pairing code
+
 # 1.3.2 (2023-07-21 17:19)
 
 ### Fixed

package.json

@@ -1,6 +1,6 @@
 {
   "name": "evolution-api",
-  "version": "1.3.2",
+  "version": "1.4.0",
   "description": "Rest api for communication with WhatsApp",
   "main": "./dist/src/main.js",
   "scripts": {

src/validate/validate.schema.ts

@@ -58,6 +58,7 @@ export const instanceNameSchema: JSONSchema7 = {
       },
     },
     qrcode: { type: 'boolean', enum: [true, false] },
+    number: { type: 'string', pattern: '^\\d+[\\.@\\w-]+' },
     token: { type: 'string' },
   },
   ...isNotEmpty('instanceName'),

src/whatsapp/controllers/instance.controller.ts

@@ -34,6 +34,7 @@ export class InstanceController {
     webhook_by_events,
     events,
     qrcode,
+    number,
     token,
     chatwoot_account_id,
     chatwoot_token,
@@ -102,10 +103,16 @@ export class InstanceController {
 
     if (!chatwoot_account_id || !chatwoot_token || !chatwoot_url) {
       let getQrcode: wa.QrCode;
+      let getParingCode: string;
 
       if (qrcode) {
         this.logger.verbose('creating qrcode');
         await instance.connectToWhatsapp();
+        if (number) {
+          this.logger.verbose('creating number');
+          await delay(5000);
+          getParingCode = await instance.client.requestPairingCode(number);
+        }
         await delay(2000);
         getQrcode = instance.qrCode;
       }
@@ -120,6 +127,7 @@ export class InstanceController {
         webhook,
         webhook_by_events,
         events: getEvents,
+        pairingCode: getParingCode,
         qrcode: getQrcode,
       });
 
@@ -132,6 +140,7 @@ export class InstanceController {
         webhook,
         webhook_by_events,
         events: getEvents,
+        pairingCode: getParingCode,
         qrcode: getQrcode,
       };
     }
@@ -195,7 +204,7 @@ export class InstanceController {
     };
   }
 
-  public async connectToWhatsapp({ instanceName }: InstanceDto) {
+  public async connectToWhatsapp({ instanceName, number = null }: InstanceDto) {
     try {
       this.logger.verbose(
         'requested connectToWhatsapp from ' + instanceName + ' instance',
@@ -210,8 +219,17 @@ export class InstanceController {
         case 'close':
           this.logger.verbose('connecting');
           await instance.connectToWhatsapp();
+          let pairingCode = null;
+          if (number) {
+            this.logger.verbose('creating pairing code');
+            await delay(5000);
+            pairingCode = await instance.client.requestPairingCode(number);
+          }
           await delay(2000);
-          return instance.qrCode;
+          return {
+            pairingCode,
+            ...instance.qrCode,
+          };
         case 'connecting':
           return instance.qrCode;
         default:

src/whatsapp/dto/instance.dto.ts

@@ -4,6 +4,7 @@ export class InstanceDto {
   webhook_by_events?: boolean;
   events?: string[];
   qrcode?: boolean;
+  number?: string;
   token?: string;
   chatwoot_account_id?: string;
   chatwoot_token?: string;

src/whatsapp/routers/instance.router.ts

@@ -60,7 +60,8 @@ export class InstanceRouter extends RouterBroker {
           request: req,
           schema: instanceNameSchema,
           ClassRef: InstanceDto,
-          execute: (instance) => instanceController.connectToWhatsapp(instance),
+          execute: (instance, data) =>
+            instanceController.connectToWhatsapp(instance, data),
         });
 
         return res.status(HttpStatus.OK).json(response);

src/whatsapp/services/whatsapp.service.ts

@@ -545,6 +545,11 @@ export class WAStartupService {
         return this.eventEmitter.emit('no.connection', this.instance.name);
       }
 
+      // pairing code
+      // await delay(5000);
+      // const code = await this.client.requestPairingCode('557499879409');
+      // console.log(`Pairing code: ${code}`);
+
       this.logger.verbose('Incrementing QR code count');
       this.instance.qrcode.count++;
 

src/whatsapp/types/wa.types.ts

@@ -25,7 +25,11 @@ export enum Events {
 }
 
 export declare namespace wa {
-  export type QrCode = { count?: number; base64?: string; code?: string };
+  export type QrCode = {
+    count?: number;
+    base64?: string;
+    code?: string;
+  };
   export type Instance = {
     qrcode?: QrCode;
     authState?: { state: AuthenticationState; saveCreds: () => void };