A class of helpers i am using for an intranet project

custom.js

function getDateInfo(info) {
var test = info.toString();
$.ajax({
        type: 'POST',
        url: "/umbraco/surface/rendercalendar/listevents",
        //contentType: "application/json; charset=utf-8",
        data: {'matchThis': test},
        datatype: "json",
        success: function (data) {
            console.log(data);
            $("#calDetails").html("<p>" + data[0]['summary'] + "<br/>Duration: " + data[0]['duration'] + "</p>");
        }
    });
}

$(document).ready(function () {
$.ajax({
        type: 'GET',
        url: "/umbraco/surface/rendercalendar/getdates",
        datatype: "json",
        success: function (data) {
            $('.calendar').pignoseCalendar({
                scheduleOptions: {
                    colors: {
                        allday: '#ff0000',
                        regular: '#5c6270',
                        meetup: '#ef8080',
                    }
                },
                schedules: data,
                select: function (date) {
                    getDateInfo(date[0]);
                }
            });
        }
    });
});

helpers.cs

using Ical.Net;
using System;
using System.IO;
using System.Net.Http;
using System.Collections.Generic;
using System.Web.Mvc;
using Umbraco.Web.Mvc;
using System.Linq;
using Newtonsoft.Json;
using Ical.Net.DataTypes;
using System.Globalization;

namespace csacIntranetPrototype.App_Code
{
    class CalDate
    {
        public string name;
        public string date;
    }

    class DayEvent
    {
        public string description;
        public string summary;
        public string start;
        public string duration;
    }
    public class Helpers
    {
        public static CalendarCollection LoadFromUriAsync(Uri uri)
        {
            using (var client = new HttpClient())
            {
                using (var response = client.GetAsync(uri).Result)
                {
                    response.EnsureSuccessStatusCode();
                    var result = response.Content.ReadAsStringAsync().Result;
                    var calendarCollection = Ical.Net.Calendar.LoadFromStream(new StringReader(result)) as CalendarCollection;
                    return calendarCollection;
                }
            }
        }
    }

    public class RenderCalendarController : SurfaceController
    {
        public ActionResult GetDates()
        {
            CalendarCollection calendarCollection = Helpers.LoadFromUriAsync(new Uri("https://calendar.google.com/calendar/ical/bps101.net_6s20210upb019c4kd3t9an1t08%40group.calendar.google.com/public/basic.ics"));
            var firstCalendar = calendarCollection.First();
            List<CalDate> theDates = new List<CalDate>();

            foreach (var item in firstCalendar.Events)
            {
                DateTime startDate = item.Start.AsSystemLocal;
                var duration = item.Duration;
                var theCategory = item.IsAllDay ? "allday" : "regular";

                theDates.Add(new CalDate() { name = theCategory, date = startDate.ToString("yyyy-MM-dd") });
            }

            return Json(theDates, JsonRequestBehavior.AllowGet);
        }

        public ActionResult ListEvents(string matchThis)
        {
            string dFormat = "ddd MMM dd yyyy HH:mm:ss 'GMT'K";
            DateTime checkDate = DateTime.ParseExact(matchThis, dFormat, null);
            
            CalendarCollection calendarCollection = Helpers.LoadFromUriAsync(new Uri("https://calendar.google.com/calendar/ical/bps101.net_6s20210upb019c4kd3t9an1t08%40group.calendar.google.com/public/basic.ics"));
            var firstCalendar = calendarCollection.First();
            var testDate = new DateTime(2017, 9, 4);
            var theEventList = firstCalendar.Events.Where(x => x.Start.AsSystemLocal.ToString("MMMM dd, yyyy") == checkDate.ToString("MMMM dd, yyyy"));

            List <DayEvent> theEvents = new List<DayEvent>();
            if(theEventList.Any()){
                foreach( var item in theEventList)
                {
                    DateTime startDate = item.Start.AsSystemLocal;
                    var description = item.Description;
                   
                    var summary = item.Summary;
                    var duration = item.Duration;

                         theEvents.Add(new DayEvent { description = description, start = startDate.ToString("MMMM dd, yyyy"), summary = summary, duration = duration.ToString("hh':'mm") }); //startDate.ToString("MMMM dd, yyyy")
                }
            }

            return Json(theEvents, JsonRequestBehavior.AllowGet);
        }
    }

    
}