Update README; add delete confirmation page; code cleanup

README.md

@@ -8,3 +8,10 @@
 - Stuff WILL break
 - I am not responsible if some DB guy comes knocking on your doorstep if you use this or this software creates any kind of other damages
 - Most importantly: have fun.
+
+## Development / testing requirements
+- .NET Core SDK (version 3.1.3 or higher; arch package `dotnet-sdk`)
+- ASP.NET Core Runtime (version 3.1.3 or higher; arch package `aspnet-runtime`)
+
+- `cd bahnplan.web`
+- `dotnet run`

bahnplan.web/Pages/Delete.cshtml

@@ -5,13 +5,51 @@
 @model DeleteModel
 @{
     ViewData["Title"] = "Home";
-    
-    
+
     if (HttpContext.Session.GetString("authorized") != "true") {
         Response.Redirect("/");
         return;
     }
-    
-    Layout = null;
-    Response.Redirect(Request.Headers["Referer"]);
+
+    if (Request.Query.ContainsKey("confirm") && Request.Query["confirm"] == "true") {
+        Layout = null;
+        Response.Redirect(Request.Headers["Referer"]);
+    }
+
+    else {
+        <h3>Are you sure?</h3>
+        <p>
+            You are attempting to delete
+            @{
+                await using var db = new Database.DbConn();
+            }
+            @switch (Request.Query["item"]) {
+                case "trip": {
+                    var legs = db.Legs.Where(p => p.TripId == int.Parse(Request.Query["id"])).OrderBy(p => p.DepTime).ToList();;
+
+                    <span>
+                        the trip from <b>@legs.First().DepStation</b> to <b>@legs.Last().ArrStation</b>, starting <i>@legs.First().DepTime</i>
+                    </span>
+                    break;
+                }
+                case "leg": {
+                    Response.Redirect($"/Delete?item={Request.Query["item"]}&id={Request.Query["id"]}&confirm=true");
+                    break;
+                }
+                case "ticket": {
+                    Response.Redirect($"/Delete?item={Request.Query["item"]}&id={Request.Query["id"]}&confirm=true");
+                    break;
+                }
+                case "card": {
+                    var card = db.Cards.First(p => p.CardId == int.Parse(Request.Query["id"]));
+                    <span>
+                        the card <b>@card.CardInfo.TrimEnd('#')</b> with the number <i>@card.CardNumber</i>, owned by <b>@card.Traveller</b>
+                    </span>
+                    break;
+                }
+            }
+        </p>
+        <a href="@Request.Headers["Referer"]" class="btn btn-sm btn-secondary">Cancel</a>
+        <a href="/Delete?item=@Request.Query["item"]&id=@Request.Query["id"]&confirm=true" class="btn btn-sm btn-danger">Confirm</a>
+    }
 }

bahnplan.web/Pages/Delete.cshtml.cs

@@ -18,6 +18,9 @@ namespace bahnplan.web.Pages {
 			if (HttpContext.Session.GetString("authorized") != "true")
 				return;
 
+			if (!Request.Query.ContainsKey("confirm") || Request.Query["confirm"] != "true")
+				return;
+
 			var       uid = int.Parse(HttpContext.Session.GetString("uid"));
 			using var db  = new Database.DbConn();
 			AuthorizedUser = db.Users.FirstOrDefault(p => p.UserId == uid);

bahnplan.web/Pages/Trip.cshtml.cs

@@ -9,14 +9,12 @@ using Microsoft.AspNetCore.Mvc.RazorPages;
 namespace bahnplan.web.Pages {
 	public class TripModel : PageModel {
 		public List<Leg> Legs;
-		public Ticket    Ticket;
 
 		public void OnGet() {
-			
 			if (HttpContext.Session.GetString("authorized") != "true") {
 				return;
 			}
-			
+
 			using var db = new Database.DbConn();
 			if (Request.Query.ContainsKey("separator")) {
 				var leg = db.Legs.First(p => p.LegId == int.Parse(Request.Query["legid"]));
@@ -35,15 +33,7 @@ namespace bahnplan.web.Pages {
 				return;
 			}
 
-			var legs = db.Legs.Where(p => p.TripId == int.Parse(Request.Query["id"])).ToList();
-			Legs = new List<Leg>();
-			foreach (var j in legs) {
-				Legs.Add(j);
-				if (j.TicketId != 0)
-					Ticket = db.Tickets.First(p => p.TicketId == j.TicketId);
-			}
-
-			Legs = Legs.OrderBy(p => p.DepTime).ToList();
+			Legs = db.Legs.Where(p => p.TripId == int.Parse(Request.Query["id"])).OrderBy(p => p.DepTime).ToList();
 		}
 	}
 }