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Beginning Node.js, Express & MongoDB Development

Creating the Movies Controller

Let's learn how to create a controller that the route file can use to access the dao file.

We'll cover the following...

In this lesson, we’ll create a controller to access the moviesDAO.js file, which we created previously.

MOVIEREVIEWS_DB_URI=mongodb+srv://admin:hello@cluster0.yjxj4.mongodb.net/sample_mflix?retryWrites=true&w=majority
MOVIEREVIEWS_NS=sample_mflix
PORT=5000
The initial files we will build on

Creating a movie controller

In the api folder, let’s create a new file movies.controller.js with the following code:

C++
import MoviesDAO from '../dao/moviesDAO.js' 
export default class MoviesController{
    static async apiGetMovies(req,res,next){
        const moviesPerPage = req.query.moviesPerPage ?
parseInt(req.query.moviesPerPage) : 20
        const page = req.query.page ? parseInt(req.query.page) : 0
        let filters = {} 
        if(req.query.rated){
            filters.rated = req.query.rated 
        }
        else if(req.query.title){ 
            filters.title = req.query.title
        }
        const { moviesList, totalNumMovies } = await MoviesDAO.getMovies({
            filters, 
            page, 
            moviesPerPage
            })
        let response ={
            movies: moviesList,
            page: page,
            filters: filters, 
            entries_per_page: moviesPerPage, 
            total_results: totalNumMovies
        }
        res.json(response) 
    }
}

Line 1: We first import MoviesDAO from the the dao directory.

Lines 3–6: ...