Start session at the launch time with WHATSAPP_START_SESSION

README.md

@@ -116,6 +116,7 @@ If you try to send an image the "echo server" will send a path to the downloaded
 - `DEBUG` - show debug and verbose logs, set in any value
 - `WHATSAPP_API_PORT` - listen port for HTTP server (default: `3000`)
 - `WHATSAPP_API_HOSTNAME` - Hostname for HTTP server (default: `localhost`)
+- `WHATSAPP_START_SESSION` - start session with that name right after launching the app
 
 ## Webhooks
 

src/api/all.dto.ts

@@ -11,6 +11,11 @@ export class SessionQuery {
     sessionName: string = WHATSAPP_DEFAULT_SESSION_NAME;
 }
 
+export class CheckNumberStatusQuery extends SessionQuery {
+    @IsString()
+    phone: string
+}
+
 export class MessageTextQuery extends SessionQuery {
     @IsString()
     phone: string

src/api/chatting.controller.ts

@@ -2,6 +2,7 @@ import {Body, Controller, Get, NotImplementedException, Post, Query} from '@nest
 import {ApiOperation, ApiTags} from "@nestjs/swagger";
 import {
     ChatRequest,
+    CheckNumberStatusQuery,
     MessageContactVcard,
     MessageFile,
     MessageImage,
@@ -19,6 +20,20 @@ export class ChattingController {
     constructor(private whatsappSessionManager: WhatsappSessionManager) {
     }
 
+    @Get('/checkNumberStatus')
+    @ApiOperation({summary: 'Check number status'})
+    async checkNumberStatus(
+        @Query() request: CheckNumberStatusQuery,
+    ) {
+        const whatsapp = this.whatsappSessionManager.getSession(request.sessionName)
+        try {
+            const result = await whatsapp.checkNumberStatus(ensureSuffix(request.phone))
+            return {numberExists: result['numberExists']}
+        } catch (e) {
+            return {numberExists: false}
+        }
+    }
+
     @Post('/sendContactVcard')
     sendContactVcard(@Body() message: MessageContactVcard) {
         const whatsapp = this.whatsappSessionManager.getSession(message.sessionName)

src/config.service.ts

@@ -46,6 +46,10 @@ export class WhatsappConfigService {
         return types ? types.split(',') : null
     }
 
+    get startSession(): string | undefined {
+        return this.configService.get('WHATSAPP_START_SESSION', undefined)
+    }
+
     get(name: string): any {
         return this.configService.get(name)
     }

src/whatsapp.service.ts

@@ -221,6 +221,9 @@ export class WhatsappSessionManager implements OnApplicationShutdown {
         this.log.setContext('WhatsappSessionManager')
         this.cleanDownloadsFolder(this.config.filesFolder)
         this.sessions = {}
+        if (config.startSession) {
+            this.startSession(config.startSession)
+        }
     }
 
     async startSession(name: string) {