I am using mongoDB. I don’t like the default error message that is thrown by mongoose/mongoDB. I would like to check for the error type and if it is a cast error then I would like to send a different error message. Answer here is my function to do that. this function take an error and if it was a
Tag: mongoose
MongoDB returning an onject that doesnt exist
I was working on a project with MongoDB and passport, when i ran into this error, event though p1 isn’t used, it still reruns an object im guessing, because it just says that the field p1 is taken, when it isn’t. The same is happening with p2. Does anyone know why ? Answer Calling User.find returns a Promise which you
Mongoose – get documents with best score but only one of each user
So this is how my mongoose schema looks like: This is a quiz application so there are multiple documents with same userId. I am trying to make a query to build leaderboard and I came up with this. Now because I want to show only top 10 users, I have added .limit(10). Now in these 10 documents, there is chance
Mongoose Return Error Code 11000 duplicate index
i am using mongoose as database for my project, now i am struggling with add data to multiple collections and this is my route router.post(‘/’,add_new_user_to_specific_collection,add_new_user_to_collection_User); this is code of middleware add_new_user_to_specific_collection: and this is for add_new_user_to_collection_User: the input data is totally validated, and at the first try, it worked perfectly, but when it comes to the second times, i got
mongoose aggregate model based on filter
I have a model of Review which has the field product and rating I would like to find the sum of all ratings of a specified product and find the average by dividing by 5. how would I aggregate through all ratings and filter by product to find the sum? Answer I’m assuming your using nodejs , here is how
When I first click the delete button, all the notes are disappeared but, when I refresh the page it works just fine
I tried almost everything. I tested my API to ensure that the problem is not with it. It happens just one time when you visit the page. However, when you refresh it works fine. Before Clicking delete: Click here to see the image After clicking delete button: Click here to see the image Backend Route (home.route.js): React Code: Code for
TypeError: Order.find is not a function
I am building ecommerce website using MERN stack. And I am getting error while testing using Postman. backend/controllers/user.js backend/models/Order.js backend/models/User.js backend/routes/user.js Error:- TypeError: Order.find is not a function at exports.userPurchaseList (C:UsersRahulMernBootcampprojbackendcontrollersuser.js:47:9) TESTING this route using POSTMAN. Answer You have exported an object so in your backend/controllers/user.js you could import it like so from destructuring from the object then the rest
Mongoose populate subdocument in array
I have a Mongoose offer model explained below: and order schema which has reference to to the first schema offer explained below: the problem that I can not populate sections here {section: { type: Schema.Types.ObjectId, ref: ‘Offer.sections’ }} it gives me MissingSchemaError: Schema hasn’t been registered for model “Offer.sections”. so is there any way to populate sections? Answer Unfortunately, Mongoose
Type Error : Cannot read property ‘name’ of null [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 2 years ago. Improve this question
MongoDB: How to append to a string in a deep nested array
I’m a hobbyist web programmer who just started learning MongoDB/Mongoose and I can’t seem to figure out how to append to a string located in a deep nested array. I am trying to append a string to the end of hours: String. Below is the Schema I’m working with: Here is what I have so far. I tried to extend