@georgiancollege/express-mvc/templates/apiauthjs/Server/Controllers/movie.js

Express MVC @ Georgian College

const Movie = require('../Models/movie');

/**
 * This function sanitizes the array of strings
 *
 * @param {string[]} unsanitizedArray
 * @returns {string[]}
 */
function SanitizeArray(unsanitizedArray)
{
    let sanitizedArray = [];
    for (const unsanitizedString of unsanitizedArray) 
    {
        sanitizedArray.push(unsanitizedString.trim());
    }
    return sanitizedArray;
}

/* API Functions */

/**
 * This function displays the Movie List
 *
 * @export
 * @param {Request} req
 * @param {Response} res
 * @param {NextFunction} next
 */
function DisplayMovieList(req, res, next)
{
    // Find all Movies in the Movie collection
    Movie.find({})
    .then(function(data)
    {
        res.status(200).json({success: true, msg:"Movie List Retrieved and Displayed", data: data});
    })
    .catch(function(err)
    {
        console.error(err);
    });
}

/**
 * This function displays a single movie by the provided ID
 *
 * @export
 * @param {Request} req
 * @param {Response} res
 * @param {NextFunction} next
 */
function DisplayMovieByID(req, res, next)
{
    try
    {
        // Get the id = require(the url
        let id = req.params.id;

        // Find the Movie by id
        Movie.findById({_id: id})
        .then(function(data)
        {
            res.status(200).json({success: true, msg: "Move Retrieved by ID", data: data})
        })
        .catch(function(err)
        {
            console.error(err);
        });
    }
    catch
    {
        res.json({success: false, msg:"No Data to Display"});
    }
}

/**
 * This function adds a new movie to the database
 *
 * @export
 * @param {Request} req
 * @param {Response} res
 * @param {NextFunction} next
 */
function AddMovie(req, res, next)
{
    try
    {
        // Sanitize the array
        let genres = SanitizeArray((req.body.genres).split(","));
        let directors = SanitizeArray((req.body.directors).split(","));
        let writers = SanitizeArray((req.body.writers).split(","));
        let actors = SanitizeArray((req.body.actors).split(","));

        // Instantiate a new Movie
        let movie = new Movie({
        movieID: req.body.movieID,
        title: req.body.title,
        studio: req.body.studio,
        genres: genres,
        directors: directors,
        writers: writers,
        actors: actors,
        length: req.body.length,
        year: req.body.year,
        shortDescription: req.body.shortDescription,
        mpaRating: req.body.mpaRating,
        criticsRating: req.body.criticsRating
        });

        // Create a new movie and pass it to the db
        Movie.create(movie)
        .then(function()
        {
            res.status(200).json({success: true, msg: "Movie Added Successfully", data: movie});
        })
        .catch(function(err)
        {
            console.error(err);
        });
    }
    catch
    {
        res.json({success: false, msg:"No Data to Add"});
    }
}

/**
 * This function removes a movie = require(the database by the provided ID
 *
 * @export
 * @param {Request} req
 * @param {Response} res
 * @param {NextFunction} next
 */
function UpdateMovie(req, res, next)
{
    try
    {
    
        // Get the id = require(the url  
        let id = req.params.id;
        
        // Sanitize the array
        let genres = SanitizeArray((req.body.genres).split(","));
        let directors = SanitizeArray((req.body.directors).split(","));
        let writers = SanitizeArray((req.body.writers).split(","));
        let actors = SanitizeArray((req.body.actors).split(","));

        // Instantiate a new Movie Object
        let movieToUpdate = new Movie({
            _id: id,
            movieID: req.body.movieID,
            title: req.body.title,
            studio: req.body.studio,
            genres: genres,
            directors: directors,
            writers: writers,
            actors: actors,
            length: req.body.length,
            year: req.body.year,
            shortDescription: req.body.shortDescription,
            mpaRating: req.body.mpaRating,
            criticsRating: req.body.criticsRating
        });

        // Find the Movie by id and then update
        Movie.updateOne({_id: id}, movieToUpdate)
        .then(function()
        {
            res.status(200).json({success: true, msg: "Movie Updated Successfully", data: movieToUpdate});
        })
        .catch(function(err)
        {
            console.error(err);
        });

    }
    catch
    {
        res.json({success: false, msg:"No Data to Update"});
    }
}

/**
 * This function removes a movie = require(the database by the provided ID
 *
 * @export
 * @param {Request} req
 * @param {Response} res
 * @param {NextFunction} next
 */
function DeleteMovie(req, res, next)
{
    try
    {
        // Get the id = require(the url
        let id = req.params.id;

        // Find the Movie by id and then delete
        Movie.deleteOne({_id: id})
        .then(function()
        {
            res.json(id);
        })
        .catch(function(err)
        {
            console.error(err);
        });
    }
    catch
    {
        res.json({success: false, msg:"No Data to Delete"});
    }
}

module.exports = {
    DisplayMovieList,
    DisplayMovieByID,
    AddMovie,
    UpdateMovie,
    DeleteMovie
}