chore: Savepoint before deleting failed mongo integration

lib/mongo-wrapper.js

@@ -1,6 +1,36 @@
-import pkg from 'mongodb';
-const { MongoClient } = pkg;
 import { hashString } from "./utils.js"
+import { MongoClient } from 'mongodb'
+
+const uri = process.env.MONGODB_URI
+const options = {
+  useUnifiedTopology: true,
+  useNewUrlParser: true,
+}
+
+let client
+let clientPromise
+
+if (!process.env.MONGODB_URI) {
+  throw new Error('Please add your Mongo URI to .env.local')
+}
+
+if (process.env.NODE_ENV === 'development') {
+  // In development mode, use a global variable so that the value
+  // is preserved across module reloads caused by HMR (Hot Module Replacement).
+  if (!global._mongoClientPromise) {
+    client = new MongoClient(uri, options)
+    global._mongoClientPromise = client.connect()
+  }
+  clientPromise = global._mongoClientPromise
+} else {
+  // In production mode, it's best to not use a global variable.
+  client = new MongoClient(uri, options)
+  clientPromise = client.connect()
+}
+
+// Export a module-scoped MongoClient promise. By doing this in a
+// separate module, the client can be shared across functions.
+// export default clientPromise
 
 function roughSizeOfObject(object) {
   var objectList = [];
@@ -37,7 +67,7 @@ function roughSizeOfObject(object) {
 
 export async function upsert(contents, documentName, collectionName = "utitlityFunctionCollection", databaseName = "utilityFunctionExtractorDatabase") {
   const url = process.env.MONGODB_URL
-  const client = new MongoClient(url);
+  // const client = new MongoClient(url);
   try {
     await client.connect();
     console.log("Connected correctly to server");
@@ -83,10 +113,11 @@ export async function pushToMongo(jsObject) {
 export async function mongoRead(documentName, collectionName = "utitlityFunctionCollection", databaseName = "utilityFunctionExtractorDatabase") {
   const url = process.env.MONGODB_URL
 
-  const client = new MongoClient(url, {
+  /*const client = new MongoClient(url, {
     useNewUrlParser: true,
     useUnifiedTopology: true,
   });
+  */
 
   let documentContents
   try {
@@ -121,10 +152,10 @@ export async function mongoRead(documentName, collectionName = "utitlityFunction
 export async function mongoReadWithReadCredentials(documentName, collectionName = "utitlityFunctionCollection", databaseName = "utilityFunctionExtractorDatabase") {
   const url = "mongodb+srv://metaforecast-frontend:hJr5c9kDhbutBtF1@metaforecastdatabaseclu.wgk8a.mongodb.net/?retryWrites=true&w=majority&useNewUrlParser=true&useUnifiedTopology=true"; // This user only has read permissions, so I'm not excessively worried, and would even be pleased, if someone read this and decided to do something cool with the database.
 
-  const client = new MongoClient(url, {
+  /*const client = new MongoClient(url, {
     useNewUrlParser: true,
     useUnifiedTopology: true,
-  });
+  });*/
 
   let documentContents
   try {
@@ -158,10 +189,11 @@ export async function mongoReadWithReadCredentials(documentName, collectionName
 
 export async function mongoGetAllElements(databaseName = "utilityFunctionExtractorDatabase", collectionName = "utitlityFunctionCollection") {
   const url = process.env.MONGODB_URL
-  const client = new MongoClient(url, {
+  
+  /*const client = new MongoClient(url, {
     useNewUrlParser: true,
     useUnifiedTopology: true,
-  });
+  });*/
 
   try {
     await client.connect();

package.json

@@ -9,16 +9,17 @@
   },
   "dependencies": {
     "d3": "^6.7.0",
-    "dns": "^0.2.2",
+    "dns": "^0.1.2",
-    "fs": "^0.0.1-security",
     "mongodb": "^4.1.2",
+    "net": "^1.0.2",
     "next": "latest",
     "path": "^0.12.7",
     "react": "^17.0.1",
     "react-compound-slider": "^3.3.1",
     "react-dom": "^17.0.1",
     "react-markdown": "^6.0.2",
-    "remark-gfm": "^1.0.0"
+    "remark-gfm": "^1.0.0",
+    "tls": "^0.0.1"
   },
   "devDependencies": {
     "autoprefixer": "^10.0.4",