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Backend certification exam readiness
·
Module 3
Building Core API Routes (CRUD)
1
Mounting an Express Router
Create an Express Router and mount it on a base path in the main application file.
2
Building a GET Route with Model.find()
Implement a GET route using `Model.find()` to return all resources with a 200 status code.
3
Retrieving Single Resources with `findById()`
Implement a GET route using `Model.findById()` to return a single resource or a 404 status if not found.
4
Creating Resources with POST and `Model.create()`
Implement a POST route using `Model.create()` to save a new resource and return it with a 201 status code.
5
Updating Documents with PUT and Handling 404s
Implement a PUT route using `Model.findByIdAndUpdate(id, data, { new: true })` and return a 404 status if not found.
6
Implementing a DELETE Route with Mongoose
Implement a DELETE route using `Model.findByIdAndDelete()` and return a 204 status or a 404 status if not found.
7
Required Field Validation & Error Handling
Implement validation for required fields before creation and return a 400 status with a descriptive error message.
8
Handling Invalid Object IDs
Detect and handle invalid ObjectId format errors in request parameters, returning a 400 status.
Previous module
Database Integration with Mongoose
Next module
Implementing Robust Error Handling