Questions tagged [mongoose]
Mongoose is a MongoDB object modeling tool, written in JavaScript, designed to work in an asynchronous environment.
56
questions
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1answer
83 views
Basic REST API for manipularing a MongoDB collection, using Node, Express, and Mongoose
I'm practicing back-end programming and NodeJS. As an exercise, I'm attempting to build a REST API for a MongoDB collection. I'm also learning to use the Express and Mongoose middle-wares, so that's ...
2
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1answer
77 views
Is this nodejs web-application spaghetti code?
I recently interviewed for a backend developer role at a startup involved in financial products, as a 2020 grad. The take-home assignment they had me submit had a few basic goals and they recommended ...
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0answers
69 views
What's the proper way to do MongoDB aggregation query with optional parameters?
I have this api endpoint where i want to lookup a user or multiple users schedule and also specify the month or/and the day when doing the query. My code works, but i feel like there is a better, ...
3
votes
1answer
447 views
“Clean Architecture” design pattern with Node.JS and MongoDB
After some time poorly designing my web applications' backends (mixing database calls with the controller, etc.), I have decided to try the "Clean Architecture" approach.
In this example I have a ...
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0answers
26 views
Modeling mongoose schemas
I'm in the process of creating my first web app using node with mongodb on the backend. I could use some opinions on the schemas/models I've set up.
I have three schemas: User, Pet, Food. Here's the ...
1
vote
1answer
25 views
Express error if agency not found middleware
In an api I'm building, I have multiple routes that require an agency to exist before any action is performed on the requested agency.
To avoid repetition I've written some middleware to check that ...
2
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0answers
42 views
Writing error handling and users routing for my JSON RESTful API
I'm currently making an app for my side project and I was looking to get some insight on the main js file, what can I improve, the error handling, what am I doing wrong, etc. I'm mostly confused about ...
4
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0answers
68 views
MongoDB BulkWrite - create or update a sub document within an array
I have a series of Events (roughly 10-20 events that will be dynamically created per month):
Event Model:
...
3
votes
0answers
54 views
Clean code: Permission with middleware
In my example, I have four models: User, Company, Project, and Plant (though my project technically has more: Plant, Job, Team, etc.).
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5answers
595 views
Checks user level and limit the data before saving it to mongoDB
I have a function that checks user level and limits the data before saving it to mongoDB database (pre 'save' middleware for mongoose).
It have been getting complexity warnings and tried to rewrite it,...
3
votes
3answers
201 views
Upload .JSON product list to MongoDB and upload image to AWS S3
I'm using Node/Express/Mongoose to accept a JSON file containing a list of product details. These products are looped through, the images are uploaded to AWS S3, and the product is either accepted or ...
0
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1answer
42 views
Mapping properties between two Objects of different structure
Something I've found myself having to do reasonably often is map properties from an Object (usually a heavily nested MongoDB document) to a different 'shape' to then pass it to a function call or API ...
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1answer
21 views
Saving a submitted Mongoose model, possibly with an uploaded image
I have some code which saves a mongoose model from the submitted form data. However the user might also upload an image along with the form, which needs to be saved on the server (moved from the ...
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0answers
85 views
Async API Function with Mongoose
I'm quite new to the language and I just started using async/await. I've written this function for an API that I'm developing. It checks what is sent by the user, specially the status that he wants to ...
1
vote
1answer
45 views
MongoDB database connector on NodeJS
What my code does
I am building an Express API server with mongoDB as my database.
I have a list of players which must be added to 2 mongoDB collections (teamList and countryList).
The data schema ...
4
votes
1answer
94 views
Mongoose schema to store items from Wynncraft's API
I am making a Schema to store items from Wynncraft's API.
See an example assortment of items here:
https://api.wynncraft.com/public_api.php?action=itemDB&search=a
I have not finished making the ...
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vote
0answers
2k views
post Like/Dislike with mongoose/mongodb
Right now my route is doing the following:
Searching for the post by id from the request parameters
Check if the user already likes the post
If the user likes the post, then increase ...
1
vote
1answer
44 views
Creating Mongoose model
I'm creating a Mongoose model for a web service. I have a secondary index on facultyId because majority of the reads would want to search by ...
2
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0answers
34 views
Javascript RPC Call Handles Data and Returns DB Response
I have a service within a larger set of microservices that's handling a RPC call. My function mainly just parses through the request, uses the data to insert data into our MongoDB database, and then ...
0
votes
1answer
33 views
Send Response To Browser without DB save confirmation
Just reviewing my own code and noticed that I'm saving info in the DB and WAITING for that to respond before I send info to the browser, although I'm wondering if it would be more performant to not ...
2
votes
1answer
100 views
Session generator/checker utility for a server
I wrote a utility for generating and saving sessions in a MongoDB database as well as checking the session to make sure it's valid.
I'm a beginner when it comes to promises and I have a feeling that ...
1
vote
1answer
1k views
Finding multiple documents
I wrote a Mongoose Node/Express application. I have 4 documents. I am trying to write a route (end point) to get all seats for a table with their full data. I get a response like I expect.
I want to ...
1
vote
1answer
3k views
Mongoose query using conditional formatting and regex
I this the function createQuery is fully functionally, but I would like a review on it. I'm pretty sure this can be shorten and most important (improve performance). Any ideas?
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0answers
237 views
Exporting functions that manipulate mongoose models
I have the following code in a file called database.js which will handle all the database operations for my small application. For some background, this application ...
5
votes
1answer
149 views
Simple registration with NodeJS and Mongoose
I'm new to Node.js (and also backend) for only a week, and now I'm trying to do a simple registration. I found that it's really hard to reduce complexity because pretty much every callback is error-...
0
votes
1answer
3k views
Mongoose / MongoDB schemas for blog posts and authors
I'm programming a model for a blog with authors and posts. I was following this doc: Mongoose Query Population
My concern is that the createPost function is inefficient.
Another option is to nest ...
0
votes
1answer
101 views
Ensure every element in array passes asynchronous test
I've written a function which ensures all objects in the items array belong to the user. This involves a database check, which ...
1
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1answer
55 views
Loading information about a competition every time the page is loaded
I am using KeystoneJS to manage data and my APIs (which includes Node.js, MongoDB, and Express.js). It uses Mongoose to connect with MongoDB; Keystone queries are essentially the same as Mongoose ...
6
votes
1answer
29k views
Mongoose: find() and count() query
Background
I have a query in Mongoose that finds a set of objects, and then returns these said objects together with the total number of them:
...
5
votes
1answer
138 views
Promises with Express/Mongoose to send comment notifications
I'm building the backend for a mobile app project.
Below is my createComment controller.
The challenge for me is that I want to send notifications out to the <...
5
votes
3answers
221 views
Verifying requirements before deleting a user-parent-student-school relationship
I am new to node, after I finished my APIs I realized that all of them are a mess, and are a callback hell, this forced me to learn about promises, now it was all good until I faced an API that has ...
1
vote
0answers
146 views
Implementation of user permissions
I am building a web-application in NodeJS (using TypeScript) and MongoDB (using Mongoose).
In my application I have 6 types of permissions. For the simplicity, let's use ...
2
votes
1answer
188 views
REST Server for Users using Restify and Mongoose
I am creating a REST API to access a database of users. I am new to Node.js and developing REST APIs in general. I am also trying to use best security practices.
main.js
...
2
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0answers
169 views
2
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0answers
36 views
Storing products in MongoDB with support for sorting by their number of followers
I'm loading products via an infinite scroll in chunks of 12 at a time.
At times, I may want to sort these by how many followers they have.
Below is how I'm tracking how many followers each product ...
4
votes
1answer
224 views
Promises in mongoose
I've implemented a promises in mongoose to reduce the amount of callback hell but I am not sure whether my technique is correct.
The scenario:
Before I can save my schema I want to run some ...
2
votes
0answers
127 views
CRUDL actions on MongoDB collection using Mongoose and NodeJS
I am using Mongoose ODM and NodeJS to implement CRUDL operations on MongoDB for further use with REST API. Initially, I've implemented functions using Promises but then switched back to callback style....
1
vote
2answers
840 views
Avoiding nested callbacks when using MongooseJS
I'm diving into the world of nodejs and mongo. I am playing around with a simple app that uses MongooseJS to talk to Mongo. I have been looking at examples and some GitHub projects for references, but ...
3
votes
1answer
48 views
'join' MongodDB collections with a for loop
This is a very simplified version of my query. Is it acceptable to join the two collections for the client with the use of for loops?
There could be up to 2,000 books, which also means there could be ...
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0answers
25 views
Matching a current user's “liked / followed” items with results from a search query
This is pretty ugly now. My main objective is to perform a search query, which I do via mongoosastic / elastic search (the search paginates 12 items at time). Then, I want to match those results with ...
3
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0answers
1k views
1
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0answers
31 views
Getting data from service and storing it in MongoDB
I wrote code to get data from HTTP service and store it in MongoDB. Please, can someone let me know how efficient my code is and whether it is good from the OOP point of view?
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2
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0answers
72 views
Trade off in database efficiency versus a nested for loop on client
I built an app where a user has a recipe box with recipes in it - for the db, there is a user and recipe model, user has "recipeBox" property. The recipebox is an array of objects like so:
User ...
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0answers
3k views
A plugin that integrates Angular Smart Tables with Mongoose DB for server side pagination
I'm using Angular Smart Tables with data that might become a huge set of documents and rows. So rather than client side processing of the data for pagination, I borrowing code from two Mongoose.js ...
1
vote
0answers
33 views
Nesting models within models
I am saving data into a MongoDB. The data will be saved into 3 Mongoose models that are hierarchical. A User model contains an ...
1
vote
0answers
53 views
NodeJS socket for handling errors
It's the first time managing Mongoose by socket.io and I'm wondering if this could be a good way:
...
3
votes
0answers
182 views
Beginner's To-do app with Node.js
I get the feeling the code for this to-do app is not secure. I am just a beginner, and I don't know much about coding style so do you think it is conventional/elegant?
Please don't hesitate to ...
4
votes
0answers
250 views
Mongoose and Hapi/Express promise handling in controllers
I'm switching my code to promises - mostly as delivered by Mongoose. I use Hapi though I think something similar would apply to Express.
In my models/services I perform queries such as:
...
4
votes
2answers
165 views
Querying MongoDB for information on a collection of books
I have this huge chunk of code. Is there any better to write this code, or am I too paranoid that I check every MongoDB query for error?
The logic is here:
...
4
votes
2answers
3k views
Node.js script may have memory leak
I use this node.js script to migrate MongoDB collection to a schema to another. It does work if the collection is <20k documents, but slows down to a crawl and sometime throw a
FATAL ERROR: JS ...
