using System;

using System.Text;

using System.Text.RegularExpressions;

using System.Web.Mvc;

using System.Collections.Generic;

​

namespace HelloWorldMvcApp

{

    public class HomeController : Controller

    {

        [HttpGet]

        public ActionResult Index()

        {

            return View(new SampleViewModel());

        }

        public ActionResult GetCalendarFile()

        {

            var sb = new StringBuilder();

​

            sb.AppendLine("BEGIN:VCALENDAR");

            sb.AppendLine("VERSION: 2.0");

            sb.AppendLine("PRODID:-//hacksw/handcal//NONSGML v1.0//EN");

            sb.AppendLine("METHOD:PUBLISH");

            sb.AppendLine("BEGIN:VEVENT");

            sb.AppendLine("DTSTART:20160615T070000Z");

            sb.AppendLine("DTEND:20160615T090000Z");

            sb.AppendLine("LOCATION:Test");

            sb.AppendLine("UID:dbecc21e-bb16-494f-adef-2ba9520f1379");

            sb.AppendLine("DTSTAMP:20160623T105226Z");

            sb.AppendLine("SUMMARY:Test");

            sb.AppendLine("DESCRIPTION:Test");

            sb.AppendLine("PRIORITY:5");

            sb.AppendLine("CLASS:PUBLIC");

            sb.AppendLine("END:VEVENT");

            sb.AppendLine("END:VCALENDAR");

​

            var cd = new System.Net.Mime.ContentDisposition

            {

                FileName = "cal.ics",

                Inline = true,

            };

            var buffer = Encoding.UTF8.GetBytes(sb.ToString());

​

            Response.AppendHeader("Content-Disposition", cd.ToString());

            return File(buffer, "text/calendar");

        }

        public virtual FileResult GetCalendarFile2()

        {

            var sb = new StringBuilder();

​

            sb.AppendLine("BEGIN:VCALENDAR");

            sb.AppendLine("VERSION: 2.0");

            sb.AppendLine("METHOD:PUBLISH");

            sb.AppendLine("BEGIN:VEVENT");

            sb.AppendLine("DTSTART:20160615T070000Z");

            sb.AppendLine("DTEND:20160615T090000Z");

            sb.AppendLine("LOCATION:Test");

            sb.AppendLine("UID:dbecc21e-bb16-494f-adef-2ba9520f1379");

            sb.AppendLine("DTSTAMP:20160623T105226Z");

            sb.AppendLine("SUMMARY:Test");

            sb.AppendLine("DESCRIPTION:Test");

            sb.AppendLine("PRIORITY:5");

            sb.AppendLine("CLASS:PUBLIC");

            sb.AppendLine("END:VEVENT");

            sb.AppendLine("BEGIN:VEVENT");

            sb.AppendLine("DTSTART:20160616T070000Z");

            sb.AppendLine("DTEND:20160616T090000Z");

            sb.AppendLine("LOCATION:Test");

            sb.AppendLine("UID:81ed08a2-1629-455e-b889-76e3ba3d5840");

            sb.AppendLine("DTSTAMP:20160623T105226Z");

            sb.AppendLine("SUMMARY:Test");

            sb.AppendLine("DESCRIPTION:Test");

            sb.AppendLine("PRIORITY:5");

            sb.AppendLine("CLASS:PUBLIC");

            sb.AppendLine("END:VEVENT");

            sb.AppendLine("BEGIN:VEVENT");

            sb.AppendLine("DTSTART:20160617T070000Z");

            sb.AppendLine("DTEND:20160617T090000Z");

            sb.AppendLine("LOCATION:Test");

            sb.AppendLine("UID:b77df895-01be-4159-b9d2-1536928411a3");

            sb.AppendLine("DTSTAMP:20160623T105226Z");

            sb.AppendLine("SUMMARY:Test");

            sb.AppendLine("DESCRIPTION:Test");

            sb.AppendLine("PRIORITY:5");

            sb.AppendLine("CLASS:PUBLIC");

            sb.AppendLine("END:VEVENT");

            sb.AppendLine("BEGIN:VEVENT");

            sb.AppendLine("DTSTART:20160618T070000Z");

            sb.AppendLine("DTEND:20160618T090000Z");

            sb.AppendLine("LOCATION:Test");

            sb.AppendLine("UID:9822f33f-7fb0-4ba4-84b0-5f475f4213cd");

            sb.AppendLine("DTSTAMP:20160623T105226Z");

            sb.AppendLine("SUMMARY:Test");

            sb.AppendLine("DESCRIPTION:Test");

            sb.AppendLine("PRIORITY:5");

            sb.AppendLine("CLASS:PUBLIC");

            sb.AppendLine("END:VEVENT");

            sb.AppendLine("BEGIN:VEVENT");

            sb.AppendLine("DTSTART:20160619T070000Z");

            sb.AppendLine("DTEND:20160619T090000Z");

            sb.AppendLine("LOCATION:Test");

            sb.AppendLine("UID:13baa7fb-fdd3-4fb5-b80a-d70dc1931eeb");

            sb.AppendLine("DTSTAMP:20160623T105226Z");

            sb.AppendLine("SUMMARY:Test");

            sb.AppendLine("DESCRIPTION:Test");

            sb.AppendLine("PRIORITY:5");

            sb.AppendLine("CLASS:PUBLIC");

            sb.AppendLine("END:VEVENT");

            sb.AppendLine("BEGIN:VEVENT");

            sb.AppendLine("DTSTART:20160620T070000Z");

            sb.AppendLine("DTEND:20160620T090000Z");

            sb.AppendLine("LOCATION:Test");

            sb.AppendLine("UID:953dabf7-2265-4f66-a229-97254f1c0aa3");

            sb.AppendLine("DTSTAMP:20160623T105226Z");

            sb.AppendLine("SUMMARY:Test");

            sb.AppendLine("DESCRIPTION:Test");

            sb.AppendLine("PRIORITY:5");

            sb.AppendLine("CLASS:PUBLIC");

            sb.AppendLine("END:VEVENT");

            sb.AppendLine("BEGIN:VEVENT");

            sb.AppendLine("DTSTART:20160621T070000Z");

            sb.AppendLine("DTEND:20160621T090000Z");

            sb.AppendLine("LOCATION:Test");

            sb.AppendLine("UID:c2cc1ead-3dc4-4194-9e4d-62771a46b29c");

            sb.AppendLine("DTSTAMP:20160623T105226Z");

            sb.AppendLine("SUMMARY:Test");

            sb.AppendLine("DESCRIPTION:Test");

            sb.AppendLine("PRIORITY:5");

            sb.AppendLine("CLASS:PUBLIC");

            sb.AppendLine("END:VEVENT");

            sb.AppendLine("BEGIN:VEVENT");

            sb.AppendLine("DTSTART:20160622T070000Z");

            sb.AppendLine("DTEND:20160622T090000Z");

            sb.AppendLine("LOCATION:Test");

            sb.AppendLine("UID:04b24907-4948-4506-b525-cf2f26cdf622");

            sb.AppendLine("DTSTAMP:20160623T105226Z");

            sb.AppendLine("SUMMARY:Test");

            sb.AppendLine("DESCRIPTION:Test");

            sb.AppendLine("PRIORITY:5");

            sb.AppendLine("CLASS:PUBLIC");

            sb.AppendLine("END:VEVENT");

            sb.AppendLine("BEGIN:VEVENT");

            sb.AppendLine("DTSTART:20160623T070000Z");

            sb.AppendLine("DTEND:20160623T090000Z");

            sb.AppendLine("LOCATION:Test");

            sb.AppendLine("UID:2896b3dd-42aa-4bb3-ad60-816afb58b120");

            sb.AppendLine("DTSTAMP:20160623T105226Z");

            sb.AppendLine("SUMMARY:Test");

            sb.AppendLine("DESCRIPTION:Test");

            sb.AppendLine("PRIORITY:5");

            sb.AppendLine("CLASS:PUBLIC");

            sb.AppendLine("END:VEVENT");

            sb.AppendLine("END:VCALENDAR");

​

            var cd = new System.Net.Mime.ContentDisposition

            {

                FileName = "cal.ics",

                Inline = false,

            };

            var buffer = Encoding.UTF8.GetBytes(sb.ToString());

​

            return File(buffer, "text/calendar", cd.FileName);

        }

    }

}