fixing things regarding bson error with node and such...now working?

packages/api/services/conversation.service.ts

@@ -1,11 +1,77 @@
+import {
+  Conversation,
+  ConversationMember,
+} from "../../core/models/conversation.model";
+import { client, collections } from "./database.service";
+
+import { ObjectId } from "mongodb";
+
 export class ConversationService {
-  // static async getUserById(userId: string) {
-  //   const query = { googleId: userId };
-  //   const res = await collections.users?.findOne(query);
-  //   // exists
-  //   if (res?._id) {
-  //     return res as User;
-  //   }
-  //   return null;
-  // }
+  static async getConversationByOtherUserId(otherUserId: ObjectId) {
+    // get all of the conversations for this user that have exactly two conversation members
+    // get all of the conversationMembers for this user
+    // get all of the conversations for this user
+    // get all of the conversations
+    // const query = { googleId: userId };
+    // const res = await collections.users?.findOne(query);
+    // // exists
+    // if (res?._id) {
+    //   return res as User;
+    // }
+    // return null;
+  }
+
+  static async createConversation(
+    convo: Conversation,
+    convoMembers: ConversationMember[]
+  ) {
+    const session = client.startSession();
+    try {
+      const transactionResults = await session.withTransaction(async () => {
+        // todo: check if convoMembers userId's actually exist
+
+        const insertConvoRes = await collections.conversations?.insertOne(
+          convo
+        );
+        if (!insertConvoRes?.insertedId) {
+          await session.abortTransaction();
+          console.error("failed to create convo");
+
+          return;
+        }
+
+        const insertConvoMembersRes =
+          await collections.conversationMembers?.insertMany(convoMembers);
+        if (!insertConvoMembersRes?.insertedCount) {
+          await session.abortTransaction();
+          console.error("failed to create conversation members");
+
+          return;
+        }
+
+        console.log("success");
+        return insertConvoMembersRes;
+      });
+
+      console.log(transactionResults);
+
+      return "success";
+
+      // if (transactionResults) {
+      //   console.log("The convo was successfully created.");
+      //   return transactionResults;
+      // } else {
+      //   console.log("The convo was intentionally aborted.");
+      //   return null;
+      // }
+    } catch (e) {
+      console.log(
+        "The transaction was aborted due to an unexpected error: " + e
+      );
+    } finally {
+      await session.endSession();
+    }
+
+    return null;
+  }
 }

packages/api/services/database.service.ts

@@ -6,25 +6,34 @@ import { loadConfig } from "../config";
 // Global Variables
 export const collections: {
   users?: mongoDB.Collection;
+  conversations?: mongoDB.Collection;
+  conversationMembers?: mongoDB.Collection;
+  audioClips?: mongoDB.Collection;
 } = {};
 
 // Initialize Connection
-export async function connectToDatabase() {
-  const config = loadConfig();
+const config = loadConfig();
 
-  const client: mongoDB.MongoClient = new mongoDB.MongoClient(
-    config.MONGO_CONNECTION_STRING
-  );
+export const client: mongoDB.MongoClient = new mongoDB.MongoClient(
+  config.MONGO_CONNECTION_STRING
+);
 
-  await client.connect();
+client.connect();
 
-  const db: mongoDB.Db = client.db(process.env.DB_NAME);
+const db: mongoDB.Db = client.db(process.env.DB_NAME);
 
-  const usersCollection: mongoDB.Collection = db.collection("users");
+const usersCollection: mongoDB.Collection = db.collection("users");
+const convoCollection: mongoDB.Collection = db.collection("conversations");
+const convoMembersCollection: mongoDB.Collection = db.collection(
+  "conversationMembers"
+);
+const audioClipsCollection: mongoDB.Collection = db.collection("audioClips");
 
-  collections.users = usersCollection;
+collections.users = usersCollection;
+collections.conversations = convoCollection;
+collections.conversationMembers = convoMembersCollection;
+collections.audioClips = audioClipsCollection;
 
-  console.log(
-    `Successfully connected to database: ${db.databaseName} and collections`
-  );
-}
+console.log(
+  `Successfully connected to database: ${db.databaseName} and collections`
+);