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Advanced Node.js Development

You're reading from   Advanced Node.js Development Master Node.js by building real-world applications

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Product type Paperback
Published in Mar 2018
Publisher Packt
ISBN-13 9781788393935
Length 592 pages
Edition 1st Edition
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Tools
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Author (1):
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Andrew Mead Andrew Mead
Author Profile Icon Andrew Mead
Andrew Mead
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Table of Contents (12) Chapters Close

Preface 1. Getting Set Up FREE CHAPTER 2. MongoDB, Mongoose, and REST APIs – Part 1 3. MongoDB, Mongoose, and REST APIs – Part 2 4. MongoDB, Mongoose, and REST APIs – Part 3 5. Real-Time Web Apps with Socket.io 6. Generating newMessage and newLocationMessage 7. Styling Our Chat Page as a Web App 8. The Join Page and Passing Room Data 9. ES7 classes 10. Async/Await Project Setup 11. Other Books You May Enjoy

Mongoose queries and ID validation


In this section, you're going to learn a few alternative ways that you can use Mongoose to query your data. Now, inside of the server.test file, we already looked at one way, Todo.find. We're going to look at two more and then we're also going to explore how to validate ObjectIDs.

In order to do all of this we are going to make a new file in the playground folder. I'm going to call this one mongoose-queries.js, and the first thing we need to do is load in the mongoose file in the db folder and the todo file in the models folder. I'm going to use ES6 destructuring, like we've used for all files where this happens, then we can require in the local file. Using the relative path, we need to go up a directory out of playgroundserverdb, and finally the filename we're looking for is called mongoose:

const {mongoose} = require('./../server/db/mongoose');

We can do the same thing for todo; we're going to make that constant Todo from the require, return the result,...

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