cleaning up api and testing getting conversations and such

packages/api/services/conversation.service.ts

@@ -1,8 +1,22 @@
 import Conversation from '@nirvana/core/models/conversation.model';
+import { ObjectId } from 'mongodb';
 import { collections } from './database.service';
 
 export default class ConversationService {
   static async createConversation(newConversation: Conversation) {
     return await collections.conversations?.insertOne(newConversation);
   }
+
+  static async getAllConversationsForUser(userId: string) {
+    const query = { 'members._id': new ObjectId(userId) };
+
+    const res = await collections.conversations?.find(query).toArray();
+
+    // exists
+    if (res?.length) {
+      return res as Conversation[];
+    }
+
+    return undefined;
+  }
 }