fixed mongodb type bug

examples/mongodb-crud/backend/src/api/ApiAddPost.ts

@@ -1,3 +1,4 @@
+import { Document, ObjectId } from "mongodb";
 import { ApiCall } from "tsrpc";
 import { Global } from "../models/Global";
 import { ReqAddPost, ResAddPost } from "../shared/protocols/PtlAddPost";

examples/mongodb-crud/backend/src/api/ApiDelPost.ts

@@ -5,7 +5,7 @@ import { ReqDelPost, ResDelPost } from "../shared/protocols/PtlDelPost";
 
 export async function ApiDelPost(call: ApiCall<ReqDelPost, ResDelPost>) {
     let op = await Global.collection('Post').deleteOne({
-        _id: new ObjectId(call.req._id)
+        _id: call.req._id
     })
 
     call.succ({});

examples/mongodb-crud/backend/src/api/ApiGetPost.ts

@@ -5,7 +5,7 @@ import { ReqGetPost, ResGetPost } from "../shared/protocols/PtlGetPost";
 
 export async function ApiGetPost(call: ApiCall<ReqGetPost, ResGetPost>) {
     let op = await Global.collection('Post').findOne({
-        _id: new ObjectId(call.req._id)
+        _id: call.req._id
     });
 
     if (!op) {
@@ -16,7 +16,7 @@ export async function ApiGetPost(call: ApiCall<ReqGetPost, ResGetPost>) {
     call.succ({
         post: {
             ...op,
-            _id: op._id.toHexString()
+            _id: op._id
         }
     })
 }

examples/mongodb-crud/backend/src/api/ApiUpdatePost.ts

@@ -7,7 +7,7 @@ export async function ApiUpdatePost(call: ApiCall<ReqUpdatePost, ResUpdatePost>)
     let { _id, ...update } = call.req.update;
 
     let op = await Global.collection('Post').updateOne({
-        _id: new ObjectId(_id)
+        _id: _id
     }, {
         $set: {
             ...update,