Update MongoDB connector

lib/api-functions.js

@@ -196,18 +196,20 @@ function connectionRequest(deviceId, callback) {
     "CONNECTION_REQUEST_ALLOW_BASIC_AUTH",
     deviceId
   );
-  const proj = {
-    "Device.ManagementServer.ConnectionRequestURL._value": 1,
-    "Device.ManagementServer.UDPConnectionRequestAddress._value": 1,
-    "Device.ManagementServer.ConnectionRequestUsername._value": 1,
-    "Device.ManagementServer.ConnectionRequestPassword._value": 1,
-    "InternetGatewayDevice.ManagementServer.ConnectionRequestURL._value": 1,
-    "InternetGatewayDevice.ManagementServer.UDPConnectionRequestAddress._value": 1,
-    "InternetGatewayDevice.ManagementServer.ConnectionRequestUsername._value": 1,
-    "InternetGatewayDevice.ManagementServer.ConnectionRequestPassword._value": 1
+  const options = {
+    projection: {
+      "Device.ManagementServer.ConnectionRequestURL._value": 1,
+      "Device.ManagementServer.UDPConnectionRequestAddress._value": 1,
+      "Device.ManagementServer.ConnectionRequestUsername._value": 1,
+      "Device.ManagementServer.ConnectionRequestPassword._value": 1,
+      "InternetGatewayDevice.ManagementServer.ConnectionRequestURL._value": 1,
+      "InternetGatewayDevice.ManagementServer.UDPConnectionRequestAddress._value": 1,
+      "InternetGatewayDevice.ManagementServer.ConnectionRequestUsername._value": 1,
+      "InternetGatewayDevice.ManagementServer.ConnectionRequestPassword._value": 1
+    }
   };
 
-  db.devicesCollection.findOne({ _id: deviceId }, proj, (err, device) => {
+  db.devicesCollection.findOne({ _id: deviceId }, options, (err, device) => {
     if (err) return void callback(err);
     if (!device) return void callback(new Error("No such device"));
 
@@ -284,22 +286,30 @@ function connectionRequest(deviceId, callback) {
 
 function watchTask(deviceId, taskId, timeout, callback) {
   setTimeout(() => {
-    db.tasksCollection.findOne({ _id: taskId }, { _id: 1 }, (err, task) => {
-      if (err) return void callback(err);
-
-      if (!task) return void callback(null, "completed");
-
-      const q = { _id: `${deviceId}:task_${taskId}` };
-      db.faultsCollection.findOne(q, { _id: 1 }, (err, fault) => {
+    db.tasksCollection.findOne(
+      { _id: taskId },
+      { projection: { _id: 1 } },
+      (err, task) => {
         if (err) return void callback(err);
 
-        if (fault) return void callback(null, "fault");
+        if (!task) return void callback(null, "completed");
 
-        if ((timeout -= 500) <= 0) return void callback(null, "timeout");
+        const q = { _id: `${deviceId}:task_${taskId}` };
+        db.faultsCollection.findOne(
+          q,
+          { projection: { _id: 1 } },
+          (err, fault) => {
+            if (err) return void callback(err);
 
-        watchTask(deviceId, taskId, timeout, callback);
-      });
-    });
+            if (fault) return void callback(null, "fault");
+
+            if ((timeout -= 500) <= 0) return void callback(null, "timeout");
+
+            watchTask(deviceId, taskId, timeout, callback);
+          }
+        );
+      }
+    );
   }, 500);
 }
 
@@ -323,23 +333,23 @@ function insertTasks(tasks, callback) {
   for (const task of tasks) {
     sanitizeTask(task, t => {
       if (t.uniqueKey) {
-        db.tasksCollection.remove(
+        db.tasksCollection.deleteOne(
           { device: t.device, uniqueKey: t.uniqueKey },
           () => {}
         );
       }
 
-      if (--counter === 0) db.tasksCollection.insert(tasks, callback);
+      if (--counter === 0) db.tasksCollection.insertMany(tasks, callback);
     });
   }
 }
 
 function deleteDevice(deviceId, callback) {
-  db.tasksCollection.remove({ device: deviceId }, err => {
+  db.tasksCollection.deleteMany({ device: deviceId }, err => {
     if (err) return void callback(err);
-    db.devicesCollection.remove({ _id: deviceId }, err => {
+    db.devicesCollection.deleteOne({ _id: deviceId }, err => {
       if (err) return void callback(err);
-      db.faultsCollection.remove(
+      db.faultsCollection.deleteMany(
         {
           _id: {
             $regex: `^${common.escapeRegExp(deviceId)}\\:`
@@ -347,7 +357,7 @@ function deleteDevice(deviceId, callback) {
         },
         err => {
           if (err) return void callback(err);
-          db.operationsCollection.remove(
+          db.operationsCollection.deleteMany(
             {
               _id: {
                 $regex: `^${common.escapeRegExp(deviceId)}\\:`