59 lines
1.7 KiB
C#
59 lines
1.7 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace BlazorApp.Data
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{
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public class Event
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{
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public string Uid { get; set; }
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public string Summary { get; set; }
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public DateTime? DtStart { get; set; }
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public DateTime? DtEnd { get; set; }
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public string Description { get; set; }
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public TimeSpan? Duration { get; set; }
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public List<(string, string, string)> RawProperties { get; } = new();
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public string ETag { get; set; }
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public string Href { get; set; }
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public DateTime? CalculatedEnd => DtEnd ?? DtStart + Duration;
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private static string _escape(string s)
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{
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return s
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.Replace(@"\", @"\\")
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.Replace(",", @"\,")
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.Replace(";", @"\;")
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.Replace("\n", @"\n");
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}
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public string ToICal()
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{
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var sb = new StringBuilder();
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sb.Append("BEGIN:VCALENDAR\r\n");
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sb.Append("VERSION:2.0\r\n");
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sb.Append("PRODID:-//Sijmen//blazor-calendar//EN\r\n");
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sb.Append("BEGIN:VEVENT\r\n");
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foreach (var (name, parameters, oldValue) in RawProperties)
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{
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sb.Append(name);
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if (parameters != null)
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sb.Append($";{parameters}");
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var value = name switch
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{
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"SUMMARY" => _escape(Summary),
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_ => oldValue
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};
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sb.Append($":{value}\r\n");
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}
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sb.Append("END:VEVENT\r\n");
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sb.Append("END:VCALENDAR\r\n");
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return sb.ToString();
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}
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}
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}
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