Revolution/modules/example_request_handler.js

const fs = require("fs"),
emoji = require("../misc/emoji_list.json");

// Defines the function of this module
const MODULE_FUNCTION = "handle_requests",

// Base path for module folder creation and navigation
BASE_PATH = "/example_request_handler";

// Only ran on startup so using sync functions is fine
// Makes the folders for files of the module
if (!fs.existsSync(__dirname + BASE_PATH)) {
    fs.mkdirSync(__dirname + BASE_PATH);
    console.log(`[example_request_handler] Made example_request_handler module folder`);
}
if (!fs.existsSync(__dirname + BASE_PATH + "/files")) {
    fs.mkdirSync(__dirname + BASE_PATH + "/files");
    console.log(`[example_request_handler] Made example_request_handler module files folder`);
}

module.exports = {
    extras:async function() {
        /*
            Anything else that needs to be loaded into the framework
            can be done here, this is used for things like busboy that
            need to be put to the express server to work
            The express server is accessable from global.app
        */
    },
    get:async function(req, res) {
        /*
            req - Request from client
            res - Response from server
        */

        // Anything that needs to be done in a GET request can be done here
        
        // Make sure the file exists
        fs.access(__dirname + BASE_PATH + "/files" + req.url, fs.F_OK, error => {
            if (error) {
                // File doesn't exist, return a 404 to the client.
                global.modules.consoleHelper.printWarn(emoji.page, `${req.method}: ${req.url} was requested - Returned 404`);
                res.status(404).send("404!<hr>Revolution");
            } else {
                // File does exist, send the file back to the client.
                global.modules.consoleHelper.printInfo(emoji.page, `${req.method}: ${req.url} was requested`);
                res.sendFile(__dirname + BASE_PATH + "/files" + req.url);
            }
        });
    },
    post:async function(req, res) {
        /*
            req - Request from client
            res - Response from server
        */

        // Anything that needs to be done with a POST can be done here.
    }
}

module.exports.MOD_FUNC = MODULE_FUNCTION;