fix mongodb connection issue

front/next-env.d.ts

@@ -1,6 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/dev/types/routes.d.ts";
+import "./.next/types/routes.d.ts";
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.

functions/src/functions/arcgis-function.ts

@@ -33,8 +33,6 @@ export async function arcgisFunction(
     context.error("arcgis-function: ERROR", error);
     throw error;
   } finally {
-    context.log("arcgis-function: disconnecting from database...");
-    await dbServer.disconnect();
     context.log("arcgis-function: END");
   }
 }

functions/src/functions/scraping-functions.ts

@@ -86,11 +86,8 @@ export async function scrapingsFunction(
     context.error("scrapings-function: ERROR", error);
     throw error;
   } finally {
-    context.log("scrapings-function: disconnecting from database...");
-    await dbServer.disconnect();
     context.log("scrapings-function: END");
   }
-  await dbServer.disconnect();
 }
 
 app.timer("scrapings-function", {

packages/db/src/core/servers/db.server.ts

@@ -1,18 +1,24 @@
 import { MongoClient, type Db } from "mongodb";
 
-let client: MongoClient;
+let client: MongoClient | null = null;
 
 const connect = async (connectionURL: string) => {
-  client = new MongoClient(connectionURL, {
-    serverSelectionTimeoutMS: 5000,
-    connectTimeoutMS: 5000,
-  });
-  await client.connect();
+  if (!client) {
+    client = new MongoClient(connectionURL, {
+      serverSelectionTimeoutMS: 5000,
+      connectTimeoutMS: 5000,
+    });
+    await client.connect();
+  }
   dbServer.db = client.db();
 };
 
 const disconnect = async () => {
-  await client.close();
+  if (client) {
+    await client.close();
+    client = null;
+    dbServer.db = undefined;
+  }
 };
 
 interface DBServer {