fix: Corregir manejo de archivo de audio en WhatsApp

Author: nestordavalos

src/api/integrations/channel/evolution/evolution.channel.service.ts

@@ -483,7 +483,12 @@ export class EvolutionStartupService extends ChannelStartupService {
   public async audioWhatsapp(data: SendAudioDto, file?: any, isIntegration = false) {
     const mediaData: SendAudioDto = { ...data };
 
-    if (file) mediaData.audio = file.buffer.toString('base64');
+    if (file?.buffer) {
+        mediaData.audio = file.buffer.toString('base64');
+    } else {
+        console.error("El archivo o buffer no está definido correctamente.");
+        throw new Error("File or buffer is undefined.");
+    }
 
     const message = await this.processAudio(mediaData.audio, data.number);
 

src/api/integrations/channel/meta/whatsapp.business.service.ts

@@ -1081,7 +1081,13 @@ export class BusinessStartupService extends ChannelStartupService {
   public async audioWhatsapp(data: SendAudioDto, file?: any, isIntegration = false) {
     const mediaData: SendAudioDto = { ...data };
 
-    if (file) mediaData.audio = file.buffer.toString('base64');
+    if (file?.buffer) {
+        // Asegurarse de que file y buffer existen antes de usarlos
+        mediaData.audio = file.buffer.toString('base64');
+    } else {
+        console.error('El archivo no tiene buffer o file es undefined');
+        throw new Error('File or buffer is undefined');
+    }
 
     const message = await this.processAudio(mediaData.audio, data.number);
 

src/api/integrations/channel/whatsapp/whatsapp.baileys.service.ts

@@ -2574,42 +2574,47 @@ export class BaileysStartupService extends ChannelStartupService {
   public async audioWhatsapp(data: SendAudioDto, file?: any, isIntegration = false) {
     const mediaData: SendAudioDto = { ...data };
 
-    if (file) mediaData.audio = file.buffer.toString('base64');
+    if (file?.buffer) {
+        mediaData.audio = file.buffer.toString('base64');
+    } else if (!isURL(data.audio) && !isBase64(data.audio)) {
+        console.error('Invalid file or audio source');
+        throw new BadRequestException('File buffer, URL, or base64 audio is required');
+    }
 
     if (!data?.encoding && data?.encoding !== false) {
-      data.encoding = true;
+        data.encoding = true;
     }
 
     if (data?.encoding) {
-      const convert = await this.processAudio(mediaData.audio);
-
-      if (Buffer.isBuffer(convert)) {
-        const result = this.sendMessageWithTyping<AnyMessageContent>(
-          data.number,
-          {
-            audio: convert,
-            ptt: true,
-            mimetype: 'audio/ogg; codecs=opus',
-          },
-          { presence: 'recording', delay: data?.delay },
-          isIntegration,
-        );
+        const convert = await this.processAudio(mediaData.audio);
+
+        if (Buffer.isBuffer(convert)) {
+            const result = this.sendMessageWithTyping<AnyMessageContent>(
+                data.number,
+                {
+                    audio: convert,
+                    ptt: true,
+                    mimetype: 'audio/ogg; codecs=opus',
+                },
+                { presence: 'recording', delay: data?.delay },
+                isIntegration,
+            );
 
-        return result;
-      } else {
-        throw new InternalServerErrorException('Failed to convert audio');
-      }
+            return result;
+        } else {
+            throw new InternalServerErrorException('Failed to convert audio');
+        }
     }
 
     return await this.sendMessageWithTyping<AnyMessageContent>(
-      data.number,
-      {
-        audio: isURL(data.audio) ? { url: data.audio } : Buffer.from(data.audio, 'base64'),
-        ptt: true,
-        mimetype: 'audio/ogg; codecs=opus',
-      },
-      { presence: 'recording', delay: data?.delay },
-      isIntegration,
+        data.number,
+        {
+            audio: isURL(data.audio) ? { url: data.audio } : Buffer.from(data.audio, 'base64'),
+            ptt: true,
+            mimetype: 'audio/ogg; codecs=opus',
+        },
+        { presence: 'recording', delay: data?.delay },
+        isIntegration,
     );
   }