main.js

(function (window, undefined) {
    "use strict";

    let host = "http://23.22.137.193:5000/";
    //let host = "http://localhost:5000/";

    fetch_classes(2174, "cs");
    //let table = build_table(mock);

    function fetch_classes(term, code)
    {
        let num = 0;

        console.log("Fetching courses...");
        fetch(host + "courses/" + term + "/" + code)
            .then(response => {
                console.log("Done!");
                return response.json();
            })
            .then(json => {
                let classes = json.map((course) => {return course.class_number});
                let num_classes = classes.length;
                console.log("Fetching individual class details...");
                Promise.all(classes.map((class_number) => {
                    return fetch(host + "class/" + class_number + "/" + term)
                        .then(response => {
                            return response.json();
                        })
                        .then(json => {
                            num++;
                            console.log(num + "/" + num_classes);
                            return json;
                        });
                }))
                .then((response) => {
                    console.log("Done!");
                    let table = build_table(response);
                });
            });
    }

    function build_table(data)
    {
        let table = {};

        data.filter((cl) => {
            if(cl.time[0] == "")
            {
                return false;
            }
            else
            {
                return true;
            }
        }).forEach((cl) => {
            cl.time[0] = format_time(cl.time[0]);
            cl.time[1] = format_time(cl.time[1]);

            table[cl.class_number] = cl;
        });

        return table;
    }

    function format_time(time)
    {
        let time_minutes = (parseInt(time.substring(0,2)) - 1) * 60 + parseInt(time.substring(3,4));

        if(time.substring(6) == "PM" && time.substring(0,2) != "12")
        {
            time_minutes += 720;
        }

        return time_minutes;
    }

})(typeof window !== "undefined" ? window : {});