feat(contact): add save contact endpoint and Baileys handler

src/api/controllers/contact.controller.ts

@@ -0,0 +1,20 @@
+import { SaveContactDto } from '@api/dto/contact.dto';
+import { InstanceDto } from '@api/dto/instance.dto';
+import { WAMonitoringService } from '@api/services/monitor.service';
+import { BadRequestException } from '@exceptions';
+
+export class ContactController {
+  constructor(private readonly waMonitor: WAMonitoringService) {}
+
+  public async saveContact({ instanceName }: InstanceDto, data: SaveContactDto) {
+    const instance = this.waMonitor.waInstances[instanceName];
+
+    if (!instance || typeof (instance as any).saveContact !== 'function') {
+      throw new BadRequestException(
+        `saveContact is not supported for the provider used by instance "${instanceName}"`,
+      );
+    }
+
+    return await (instance as any).saveContact(data);
+  }
+}

src/api/dto/contact.dto.ts

@@ -0,0 +1,5 @@
+export class SaveContactDto {
+  number: string;
+  name: string;
+  saveOnDevice?: boolean;
+}