add ds100 ics export

bahnplan.web/Pages/GenIcs.cshtml

@@ -0,0 +1,8 @@
+@page
+@model bahnplan.web.Pages.GenIcs
+@{
+    Layout = null;
+    Response.ContentType = "text/calendar";
+    Response.Headers.Add("content-disposition", $@"attachment;filename=""trip-{Model.Legs.First().DepTime.Split("T")[0]}.ics""");
+}
+@Html.Raw(Model.IcsOutput)

bahnplan.web/Pages/GenIcs.cshtml.cs

@@ -0,0 +1,97 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Text;
+using bahnplan.web.database;
+using bahnplan.web.database.Tables;
+using CsvHelper;
+using CsvHelper.Configuration.Attributes;
+using Ical.Net.CalendarComponents;
+using Ical.Net.DataTypes;
+using Ical.Net.Serialization;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Calendar = Ical.Net.Calendar;
+
+namespace bahnplan.web.Pages {
+	public class GenIcs : PageModel {
+		public     string    IcsOutput;
+		public     List<Leg> Legs;
+		public new string    User;
+
+		public void OnGet() {
+			using var db = new Database.DbConn();
+
+			if (!db.Legs.Any(p => p.TripId == int.Parse(Request.Query["id"]))) {
+				IcsOutput = "";
+				return;
+			}
+
+			Legs = db.Legs.Where(p => p.TripId == int.Parse(Request.Query["id"])).OrderBy(p => p.DepTime).ToList();
+			User = db.Users.First(p => p.UserId == Legs.First().UserId).Username;
+			if (Request.Query["user"] != User) {
+				IcsOutput = "";
+				return;
+			}
+
+			List<Ds100object> ds100Mapping;
+
+			using (var reader = new StreamReader("ds100.csv"))
+			using (var csv = new CsvReader(reader, CultureInfo.InvariantCulture)) {
+				csv.Configuration.Delimiter             = ";";
+				csv.Configuration.Encoding              = Encoding.UTF8;
+				csv.Configuration.PrepareHeaderForMatch = (header, index) => header.ToLower();
+				ds100Mapping                            = csv.GetRecords<Ds100object>().ToList();
+			}
+
+			var calendar = new Calendar();
+			foreach (var leg in Legs.Where(p => p.TrainType != "placeholder")) {
+				var depst = ds100Mapping.Where(p => p.Station == leg.DepStation)
+										.DefaultIfEmpty(new Ds100object {Station = leg.DepStation, Ds100 = leg.DepStation})
+										.First()
+										.Ds100;
+				var arrst = ds100Mapping.Where(p => p.Station == leg.ArrStation)
+										.DefaultIfEmpty(new Ds100object {Station = leg.ArrStation, Ds100 = leg.ArrStation})
+										.First()
+										.Ds100;
+				var title = $"{depst} -> {arrst} ({leg.TrainType} {leg.TrainNr})";
+				var e = new CalendarEvent {
+					Summary = title, Start = new CalDateTime(DateTime.Parse(leg.DepTime)), End = new CalDateTime(DateTime.Parse(leg.ArrTime))
+				};
+
+				if (!string.IsNullOrWhiteSpace(leg.Comment))
+					e.Description = leg.Comment;
+
+				calendar.Events.Add(e);
+			}
+
+			var serializer = new CalendarSerializer();
+			IcsOutput = serializer.SerializeToString(calendar);
+		}
+
+		private class Ds100object {
+			[Name("Bundesland")] public string Bundesland { get; set; }
+
+			[Name("RB")] public string Regionalbereich { get; set; }
+
+			[Name("BM")] public string Bahnhofsmanagement { get; set; }
+
+			[Name("Bf. Nr.")] public string BfNr { get; set; }
+
+			[Name("Station")] public string Station { get; set; }
+
+			[Name("Bf DS 100Abk.")] public string Ds100 { get; set; }
+
+			[Name("Kat. Vst")] public string Kategorie { get; set; }
+
+			[Name("Straße")] public string Strasse { get; set; }
+
+			[Name("PLZ")] public string Plz { get; set; }
+
+			[Name("Ort")] public string Ort { get; set; }
+
+			[Name("Aufgabenträger")] public string Verkehrsverbund { get; set; }
+		}
+	}
+}

bahnplan.web/Pages/SharedTrip.cshtml

@@ -1,10 +1,8 @@
 @page
-@using Microsoft.AspNetCore.Http
-@using Microsoft.AspNetCore.Http.Extensions
 @model SharedTripModel
 @{
     ViewData["Title"] = "Shared Trip";
-    
+
     if (Model.RedirToIndex) {
         Response.Redirect("/");
         return;
@@ -72,7 +70,7 @@
                     <a class="btn btn-sm btn-primary" href="https://marudor.de/details/@leg.TrainType @leg.TrainNr/@(deptime.ToUniversalTime().Subtract(new DateTime(1970, 1, 1)).TotalSeconds)000/?station=@leg.DepStationId" target="_blank">Marudor</a>
                     <a class="btn btn-sm btn-warning" href="https://travelynx.de/s/@leg.DepStationId?train=@leg.TrainType @leg.TrainNr" target="_blank">Travelynx</a>
                 </td>
-                </tr>
+            </tr>
         }
         </tbody>
     </table>

bahnplan.web/Pages/SharedTrip.cshtml.cs

@@ -6,9 +6,9 @@ using Microsoft.AspNetCore.Mvc.RazorPages;
 
 namespace bahnplan.web.Pages {
 	public class SharedTripModel : PageModel {
-		public new string    User;
 		public     List<Leg> Legs;
 		public     bool      RedirToIndex;
+		public new string    User;
 
 		public void OnGet() {
 			using var db = new Database.DbConn();

bahnplan.web/Pages/Trip.cshtml

@@ -144,6 +144,7 @@
 
 @if (!Request.Query.ContainsKey("edit")) {
     <a class="btn btn-sm btn-success" href="/SharedTrip?id=@Request.Query["id"]&user=@Model.User">Share Trip</a>
+    <a class="btn btn-sm btn-primary" href="/GenIcs?id=@Request.Query["id"]&user=@Model.User">Download ICS</a>
     <a class="btn btn-sm btn-secondary" href="/Trip?id=@Request.Query["id"]&edit=true">Edit Trip</a>
 }
 else {

bahnplan.web/Pages/Trip.cshtml.cs

@@ -8,9 +8,9 @@ using Microsoft.AspNetCore.Mvc.RazorPages;
 
 namespace bahnplan.web.Pages {
 	public class TripModel : PageModel {
-		public new string    User;
 		public     List<Leg> Legs;
 		public     bool      RedirToIndex;
+		public new string    User;
 
 		public void OnGet() {
 			if (HttpContext.Session.GetString("authorized") != "true")

bahnplan.web/bahnplan.web.csproj

@@ -68,10 +68,13 @@
     </ItemGroup>
 
     <ItemGroup>
+      <PackageReference Include="CsvHelper" Version="15.0.8" />
+      <PackageReference Include="Ical.Net" Version="4.1.11" />
       <PackageReference Include="linq2db" Version="2.9.8" />
       <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="3.1.4" />
       <PackageReference Include="Microsoft.Data.Sqlite" Version="3.1.4" />
       <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+      <PackageReference Include="System.Reflection.TypeExtensions" Version="4.7.0" />
     </ItemGroup>
 
 </Project>