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feat: implement linkPreview support for Evolution Bot

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- Add linkPreview extraction from webhook/n8n response
- Implement linkPreview parameter in textMessage calls
- Add debug logging for linkPreview functionality
- Support for disabling link previews when linkPreview: false
- Add comprehensive documentation for linkPreview feature

Usage:
- Return { "message": "text", "linkPreview": false } from webhook to disable preview
- Return { "message": "text", "linkPreview": true } from webhook to enable preview
- Omit linkPreview for default WhatsApp behavior
This commit is contained in:
Anderson Silva
2025-09-03 16:08:15 -03:00
parent c2085b59ea
commit 02b81beb7a
4 changed files with 377 additions and 2 deletions
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29
src/api/integrations/chatbot/evolutionBot/services/evolutionBot.service.ts
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@@ -106,26 +106,51 @@ export class EvolutionBotService extends BaseChatbotService<EvolutionBot, Evolut
};
}
this.logger.debug(`[EvolutionBot] Sending request to endpoint: ${endpoint}`);
this.logger.debug(`[EvolutionBot] Payload being sent: ${JSON.stringify(payload, null, 2)}`);
this.logger.debug(`[EvolutionBot] Headers being sent: ${JSON.stringify(headers, null, 2)}`);
const response = await axios.post(endpoint, payload, {
headers,
});
this.logger.debug(`[EvolutionBot] Received response status: ${response.status}`);
this.logger.debug(`[EvolutionBot] Received response data: ${JSON.stringify(response.data, null, 2)}`);
if (instance.integration === Integration.WHATSAPP_BAILEYS) {
await instance.client.sendPresenceUpdate('paused', remoteJid);
}
let message = response?.data?.message;
const linkPreview = response?.data?.linkPreview; // Extract linkPreview from n8n response
this.logger.debug(`[EvolutionBot] Raw message from response: ${JSON.stringify(message)}`);
this.logger.debug(`[EvolutionBot] LinkPreview setting from response: ${linkPreview}`);
if (message && typeof message === 'string' && message.startsWith("'") && message.endsWith("'")) {
const innerContent = message.slice(1, -1);
if (!innerContent.includes("'")) {
message = innerContent;
this.logger.debug(`[EvolutionBot] Message cleaned (removed quotes): ${message}`);
}
}
if (message) {
// Use the base class method to send the message to WhatsApp
await this.sendMessageWhatsApp(instance, remoteJid, message, settings);
this.logger.debug(`[EvolutionBot] Sending message to WhatsApp: ${message}`);
this.logger.debug(`[EvolutionBot] Using linkPreview: ${linkPreview}`);
// Send message directly with linkPreview option
await instance.textMessage(
{
number: remoteJid.split('@')[0],
delay: settings?.delayMessage || 1000,
text: message,
linkPreview: linkPreview, // Use linkPreview from n8n response
},
false,
);
this.logger.debug(`[EvolutionBot] Message sent successfully to WhatsApp`);
} else {
this.logger.warn(`[EvolutionBot] No message content received from bot response`);
}
// Send telemetry