changed findAndUpdate to updateOne.

Author: guumaster

src/managers/dao.js

@@ -213,11 +213,11 @@ function addToArrayFieldById(userId, fieldName, fieldValue, cbk) {
 			}
 		}
 	};
-	usersCollection.findOneAndUpdate({ _id: userId }, data, { returnOriginal: false, projection: { password: 0 }}, function (err) {
+	usersCollection.updateOne({ _id: userId }, data, function (err, res) {
 		if (err) {
 			return cbk(err, null);
 		}
-		return cbk(null, 1);
+		return cbk(null, res.modifiedCount);
 	});
 }
 

tests-unit/dao.js

@@ -285,10 +285,10 @@ describe('user dao', function () {
 		const expectedField = 'field1';
 		const expectedValue = ['value1', 'value2'];
 
-		fakeCollection.findOneAndUpdate = function (query, update, options, cbk) {
+		fakeCollection.updateOne = function (query, update, cbk) {
 			assert.equal(query._id, expectedUser.id);
 			assert.deepEqual(update.$push[expectedField], {$each: [expectedValue]});
-			cbk(null, expectedUser);
+			cbk(null, {modifiedCount: 1});
 		};
 
 		dao.addToArrayFieldById(expectedUser.id, expectedField, expectedValue, function (err, added) {