Ready for 1 release

UWLecturePlan/Controllers/HomeController.cs

@@ -1,32 +0,0 @@
-using System.Diagnostics;
-using Microsoft.AspNetCore.Mvc;
-using UWLecturePlan.Models;
-
-namespace UWLecturePlan.Controllers
-{
-    public class HomeController : Controller
-    {
-        private readonly ILogger<HomeController> _logger;
-
-        public HomeController(ILogger<HomeController> logger)
-        {
-            _logger = logger;
-        }
-
-        public IActionResult Index()
-        {
-            return View();
-        }
-
-        public IActionResult Privacy()
-        {
-            return View();
-        }
-
-        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
-        public IActionResult Error()
-        {
-            return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
-        }
-    }
-}

UWLecturePlan/Controllers/LectureController.cs

@@ -3,6 +3,7 @@ using Microsoft.AspNetCore.Mvc;
 using UWLecturePlan.Models;
 using UWLib;
 using Microsoft.EntityFrameworkCore;
+using System;
 
 namespace UWLecturePlan.Controllers
 {
@@ -12,29 +13,43 @@ namespace UWLecturePlan.Controllers
 
         public IActionResult Index(LecturesViewModel model)
         {
-            LectureContext db = new LectureContext(@"D:\Projects\C#\UWScraper\UWScraper\bin\Debug\net8.0\lecture.db");
+            LectureContext db = new(@"lecture.db");
 
-            if (model.CurrentSemester == null)
+            model.Semester ??= GetSemester(DateTime.Now);
-            {
-                model.CurrentSemester = GetSemester(DateTime.Now);
-            }
 
             var from = DateTime.Now;
 
+            var date = DateTime.ParseExact(model.Date, "dd.MM.yyyy", CultureInfo.InvariantCulture);
 
-            model.LectureEvents = db.LectureEvents.Include(x=>x.Lecture)
-                .Where(x => x.From >= from)
-                .Where(x => x.Lecture.Semester == model.CurrentSemester)
-                .Where(x => x.Lecture.Branch == model.BranchFilter || model.BranchFilter == null)
-                .ToList();
 
-            if (model.LocationFilter != null)
+            model.LectureEvents = [.. db.LectureEvents.Include(x=>x.Lecture)
+                .Where(x => x.Lecture.Semester == model.Semester)
+                .Where(x => x.Lecture.Branch == model.Branch || model.Branch == null)
+                
+                .Where(x => x.From.Date == date)];
+
+            if (model.TypeFilter != null)
             {
                 model.LectureEvents = model.LectureEvents
-                    .Where(x => x.Location.Contains(model.LocationFilter)).ToList();
+                    .Where(x => x.Lecture.Type == model.TypeFilter).ToList();
             }
 
-            model.Branches = db.LectureEvents.Select(x => x.Lecture.Branch).Distinct().OrderBy(x=>x).ToList();
+            if (model.Location != null)
+            {
+                model.LectureEvents = model.LectureEvents
+                    .Where(x => x.Location?.Contains(model.Location) ?? false).ToList();
+            }
+
+            model.Branches = [.. db.LectureEvents.Select(x => x.Lecture.Branch).Distinct().OrderBy(x => x)];
+
+            model.Types = [.. db.LectureEvents.Select(x => x.Lecture.Type).Distinct().OrderBy(x => x)];
+
+            model.Semesters = [.. db.LectureEvents.Select(x => x.Lecture.Semester).Distinct().OrderBy(x => x)];
+
+            model.Days = db.LectureEvents
+                .Where(x => x.Lecture.Semester == model.Semester)
+                .Where(x => x.Lecture.Branch == model.Branch || model.Branch == null)
+                .GroupBy(x => x.From.Date).ToDictionary(x => x.Key, x => x.Count());
 
 
             return View(model);
@@ -59,7 +74,7 @@ namespace UWLecturePlan.Controllers
 
         public static DateTime FirstDateOfWeekISO8601(int year, int weekOfYear)
         {
-            DateTime jan1 = new DateTime(year, 1, 1);
+            DateTime jan1 = new(year, 1, 1);
             int daysOffset = DayOfWeek.Thursday - jan1.DayOfWeek;
 
             // Use first Thursday in January to get first week of the year as

UWLecturePlan/Models/LecturesViewModel.cs

@@ -1,18 +1,30 @@
-using UWLib;
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using UWLib;
 
 namespace UWLecturePlan.Models
 {
     public class LecturesViewModel
     {
 
-        public string CurrentSemester { get; set; }
+        public string? Semester { get; set; }
 
-        public string? LocationFilter { get; set; }
+        public string? Location { get; set; }
 
-        public string? BranchFilter { get; set; }
+        public string? Branch { get; set; }
 
-        public List<LectureEvent> LectureEvents { get; set; }
+        public string? TypeFilter { get; set; }
 
-        public List<string> Branches { get; set; }
+        public string Date { get; set; } = DateTime.Today.ToString("dd.MM.yyyy");
+
+        public List<LectureEvent> LectureEvents { get; set; } = [];
+
+        public List<string> Branches { get; set; } = [];
+
+        public List<string> Types { get; set; } = [];
+
+        public List<string> Semesters { get; set; } = [];
+
+        public Dictionary<DateTime, int> Days { get; set; } = [];
     }
 }

UWLecturePlan/Program.cs

@@ -1,7 +1,11 @@
+using System.ComponentModel;
+using Microsoft.AspNetCore.Mvc.ModelBinding.Binders;
+using UWLecturePlan;
+
 var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
-builder.Services.AddControllersWithViews();
+builder.Services.AddControllersWithViews(x => x.ModelBinderProviders.Insert(0, new DateTimeModelBinderProvider())).AddRazorRuntimeCompilation();
 
 var app = builder.Build();
 
@@ -13,6 +17,7 @@ if (!app.Environment.IsDevelopment())
     app.UseHsts();
 }
 
+
 app.UseHttpsRedirection();
 app.UseStaticFiles();
 
@@ -20,6 +25,8 @@ app.UseRouting();
 
 app.UseAuthorization();
 
+
+
 app.MapControllerRoute(
     name: "default",
     pattern: "{controller=Lecture}/{action=Index}/{id?}");

UWLecturePlan/UWLecturePlan.csproj

@@ -9,6 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="8.0.10" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.20.1" />
   </ItemGroup>
 

UWLecturePlan/Views/Home/Index.cshtml

@@ -1,8 +0,0 @@
-@{
-    ViewData["Title"] = "Home Page";
-}
-
-<div class="text-center">
-    <h1 class="display-4">Welcome</h1>
-    <p>Learn about <a href="https://learn.microsoft.com/aspnet/core">building Web apps with ASP.NET Core</a>.</p>
-</div>

UWLecturePlan/Views/Home/Privacy.cshtml

@@ -1,6 +0,0 @@
-@{
-    ViewData["Title"] = "Privacy Policy";
-}
-<h1>@ViewData["Title"]</h1>
-
-<p>Use this page to detail your site's privacy policy.</p>

UWLecturePlan/Views/Lecture/Index.cshtml

@@ -1,6 +1,8 @@
 @using System.Text.RegularExpressions
 @model LecturesViewModel
 @{
+    ViewData["Title"] = "Vorlesungsplan";
+
     string GetBranchName(string branch)
     {
         Regex regex = new Regex(@".* - (.*)");
@@ -17,76 +19,152 @@
     }
 }
 
+@section Header {
+    <search class="container-fluid">
+        <form method="get" class=" mb-2">
+            <div class="row g-1">
+                <div class="order-1 col-6 col-sm-3 col-md-2 col-lg-2 col-xl-2 col-xxl-1">
+                    <label for="Semester" class="form-label">Semester:</label>
+                    <select asp-for="Semester" class="form-select">
+                        @foreach (var semester in Model.Semesters)
+                        {
+                            <option value="@semester">
+                                @semester
+                            </option>
+                        }
+                    </select>
+                </div>
+                <div class="order-1  col-6 col-sm-3 col-md-3 col-lg-2 col-xl-2 col-xxl-2">
+                    <label for="Date" class="form-label">Tag:</label>
+                    <select asp-for="Date" class="form-select">
+                        @foreach (var day in Model.Days)
+                        {
+                            <option value="@day.Key.ToShortDateString()">
+                                @day.Key.ToString("dd.MM.yyyy") - @day.Value
+                            </option>
+                        }
+                    </select>
+                </div>
+                <div class="order-1  col-12 col-sm-6 col-md-7 col-lg-3 col-xxl-2">
+                    <label class="form-label" for="Location">Ort:</label>  <input type="text" asp-for="Location" class="form-control" />
+                </div>
+                <div class="order-1 col-12 col-sm-10 col-lg-4 col-xxl">
+                    <label for="TypeFilter" class="form-label">Typ:</label>
+                    <select type="text" asp-for="TypeFilter" class="form-select">
+                        <option value="">Alle</option>
+                        @foreach (var branch in Model.Types.OrderBy(x => GetBranchName(x)))
+                        {
+                            <option value="@branch">
+                                @GetBranchName(branch)
+                            </option>
+                        }
+                    </select>
+                </div>
+                <div class="col-12 col-xxl order-0 order-xxl-1 col-xxl-3">
+                    <label for="Branch" class="form-label">Studiengang:</label>
 
-<style>
+                    <select type="text" asp-for="Branch" class="form-select">
-    .time {
+                        <option value="">Alle</option>
-        display: inline;
+                        @foreach (var branch in Model.Branches.OrderBy(x => GetBranchName(x)))
-    }
+                        {
+                            <option value="@branch">
+                                @GetBranchName(branch)
+                            </option>
+                        }
+                    </select>
+                </div>
 
-    .time[open] {
+                <div class="order-1 col-12 col-sm-2 col-lg-1 align-self-end text-end">
-        display: block;
+                    <input type="submit" value="Filter" class="btn btn-primary w-100" />
-    }
+                </div>
-
+            </div>
-        details[open] >  summary {
+        </form>
-            color:blue;
+    </search>
-        }
-
-    details > * {
-        margin-left: 10px;
-    }
-
-    details > summary {
-        margin-left: 0;
-    }
-
-    form {
-        width: 100%;
-    }
-</style>
-
-<form method="get" >
-    Semester: <input type="text" asp-for="CurrentSemester" style="width:3.5em;text-align:center;" maxlength="5" />
-    Ort: <input type="text" asp-for="LocationFilter" />
-    Studiengang: 
-    <select type="text" asp-for="BranchFilter" >
-        <option value="">Alle</option>
-        @foreach (var branch in Model.Branches.OrderBy(x => GetBranchName(x)))
-        {
-                <option value="@branch">
-                @GetBranchName(branch)
-                </option>
-        }
-    </select>
-    <input type="submit" value="Filter" />
-</form>
-
-
-@foreach (var day in Model.LectureEvents.GroupBy(x => x.From.Date).OrderBy(x => x.Key))
-{
-        <details class="day">
-            <summary>@day.Key.ToString("dd.MM.yyyy") - (@day.Count())</summary>
-        @foreach (var time in day.GroupBy(x => x.From).OrderBy(x => x.Key))
-        {
-                    <details class="time">
-                        <summary>@time.Key.ToString("HH:mm") - (@time.Count())</summary>
-                @foreach (var eventItem in time.OrderBy(x => x.Lecture.Title))
-                {
-                                <details class="lecture">
-                                    <summary class="title">@eventItem.Lecture.Title</summary>
-
-                                    <div class="time">Zeitraum: @eventItem.From.ToString("HH:mm") - @eventItem.To.ToString("HH:mm")</div>
-                                    <div class="room">Ort: @eventItem.Location</div>
-
-                                    <a href="@eventItem.Lecture.Url">@eventItem.Lecture.Url</a>
-                                    <details>
-                                        <summary>Infos</summary>
-                            @Html.Raw(eventItem.Lecture.Description);
-                                    </details>
-
-                                </details>
-                }
-
-                    </details>
-        }
-        </details>
 }
+
+<div class="container-fluid" id="lectures">
+    <div class="accordion">
+        @foreach (var time in Model.LectureEvents.GroupBy(x => x.From).OrderBy(x => x.Key))
+        {
+            string timeId = time.Key.ToString("HHmm");
+            string timeHeader = $"header-{timeId}";
+            string timeCollapse = $"collapse-{timeId}";
+            string timeAccordion = $"accordion-{timeId}";
+            <div class="accordion-item">
+                <h2 id="@timeHeader" class="accordion-header">
+                    <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#@timeCollapse" aria-expanded="false" aria-controls="@timeCollapse">
+                        @time.Key.ToString("HH:mm") - (@time.Count())
+                    </button>
+                </h2>
+                <div id="@timeCollapse" class="accordion-collapse collapse" aria-labelledby="@timeHeader">
+                    <div class="accordion-body">
+                        <div class="accordion accordion-flush" id="@timeAccordion">
+
+                            @foreach (var eventItem in time.Distinct().OrderBy(x => x.Lecture.Title))
+                            {
+                                string eventId = $"{timeId}-{eventItem.Id}";
+                                string eventHeader = $"header-{eventId}";
+                                string eventCollapse = $"collapse-{eventId}";
+                                <div class="accordion-item">
+                                    <h3 id="@eventHeader" class="accordion-header">
+                                        <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#@eventCollapse" aria-expanded="false" aria-controls="@eventCollapse">
+                                            @Html.Raw(eventItem.Lecture.Title)
+                                        </button>
+                                    </h3>
+                                    <div id="@eventCollapse" class="accordion-collapse collapse" aria-labelledby="@eventHeader" data-bs-parent="#@timeAccordion">
+                                        <div class="accordion-body">
+                                            <div class="time">
+                                                <span>Zeitraum:</span>
+                                                <time datetime="@eventItem.From.ToString("HH:mm")" class="fw-bolder">@eventItem.From.ToString("HH:mm")</time> - <time datetime="@eventItem.To.ToString("HH:mm")" class="fw-bolder">@eventItem.To.ToString("HH:mm")</time>
+                                            </div>
+                                            <div class="room">
+                                                <span>Ort:</span>
+                                                <address class="d-inline fw-bolder">@eventItem.Location</address>
+                                            </div>
+                                            <a href="@eventItem.Lecture.Url">@eventItem.Lecture.Url</a>
+                                        </div>
+                                    </div>
+                                </div>
+                            }
+                        </div>
+                    </div>
+                </div>
+            </div>
+        }
+    </div>
+</div>
+
+
+<noscript>
+    <style>
+        #lectures {
+            display: none;
+        }
+
+        details {
+        }
+
+            details > :not(summary) {
+                margin-left: 15px;
+            }
+    </style>
+    @foreach (var time in Model.LectureEvents.GroupBy(x => x.From).OrderBy(x => x.Key))
+    {
+        <details>
+            <summary>@time.Key.ToString("HH:mm") - (@time.Count())</summary>
+            @foreach (var eventItem in time.Distinct().OrderBy(x => x.Lecture.Title))
+            {
+                <details class="lecture">
+                    <summary class="title">@eventItem.Lecture.Title</summary>
+
+                    <div class="time">Zeitraum: @eventItem.From.ToString("HH:mm") - @eventItem.To.ToString("HH:mm")</div>
+                    <div class="room">Ort: @eventItem.Location</div>
+
+                    <a href="@eventItem.Lecture.Url">@eventItem.Lecture.Url</a>
+
+                </details>
+            }
+
+        </details>
+    }
+</noscript>

UWLecturePlan/Views/Shared/_Layout.cshtml

@@ -9,41 +9,23 @@
     <link rel="stylesheet" href="~/UWLecturePlan.styles.css" asp-append-version="true" />
 </head>
 <body>
-    <header>
+    <header class="p-3 pb-0">
-        <nav class="navbar navbar-expand-sm navbar-toggleable-sm navbar-light bg-white border-bottom box-shadow mb-3">
+        @await RenderSectionAsync("Header", required: false)
-            <div class="container-fluid">
-                <a class="navbar-brand" asp-area="" asp-controller="Home" asp-action="Index">UWLecturePlan</a>
-                <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target=".navbar-collapse" aria-controls="navbarSupportedContent"
-                        aria-expanded="false" aria-label="Toggle navigation">
-                    <span class="navbar-toggler-icon"></span>
-                </button>
-                <div class="navbar-collapse collapse d-sm-inline-flex justify-content-between">
-                    <ul class="navbar-nav flex-grow-1">
-                        <li class="nav-item">
-                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Index">Home</a>
-                        </li>
-                        <li class="nav-item">
-                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
-                        </li>
-                    </ul>
-                </div>
-            </div>
-        </nav>
     </header>
-    <div class="container">
+    <main role="main" class="p-3 pt-0 pb-0">
-        <main role="main" class="pb-3">
+        @RenderBody()
-            @RenderBody()
+    </main>
-        </main>
+    @await RenderSectionAsync("Scripts", required: false)
-    </div>
+    <footer class="p-3">
-
+        <p class="container-fluid text-center">
-    <footer class="border-top footer text-muted">
+            &copy; 2024 Uni for All
-        <div class="container">
+            <address>
-            &copy; 2024 - UWLecturePlan - <a asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
+                <a href="mailto:uniforall@nihil.foo">uniforall@nihil.foo</a>
-        </div>
+            </address>
+        </p>
     </footer>
     <script src="~/lib/jquery/dist/jquery.min.js"></script>
     <script src="~/lib/bootstrap/dist/js/bootstrap.bundle.min.js"></script>
     <script src="~/js/site.js" asp-append-version="true"></script>
-    @await RenderSectionAsync("Scripts", required: false)
 </body>
 </html>

UWLecturePlan/appsettings.json

@@ -1,9 +1,10 @@
 {
-  "Logging": {
+    
-    "LogLevel": {
+    "Logging": {
-      "Default": "Information",
+        "LogLevel": {
-      "Microsoft.AspNetCore": "Warning"
+            "Default": "Information",
-    }
+            "Microsoft.AspNetCore": "Warning"
-  },
+        }
-  "AllowedHosts": "*"
+    },
+    "AllowedHosts": "*"
 }

UWLecturePlan/wwwroot/css/site.css

@@ -16,7 +16,3 @@ html {
   position: relative;
   min-height: 100%;
 }
-
-body {
-  margin-bottom: 60px;
-}

UWLib/Lecture.cs

@@ -12,11 +12,13 @@ namespace UWLib
     public class Lecture
     {
         public int Id { get; set; }
-        public string Semester { get; set; }
+        public required string Semester { get; set; }
-        public string Title { get; set; }
+        public string? Title { get; set; }
-        public string Url { get; set; }
+        public string? Url { get; set; }
         public string? Description { get; set; }
-        public List<LectureEvent> Events { get; set; } = new List<LectureEvent>();
+        public List<LectureEvent> Events { get; set; } = [];
-        public string Branch { get; set; }
+        public string? Branch { get; set; }
+
+        public string? Type{ get; set; }
     }
 }

UWLib/LectureEvent.cs

@@ -5,8 +5,8 @@
         public int Id { get; set; }
         public DateTime From { get; set; }
         public DateTime To { get; set; }
-        public string Location { get; set; }
+        public string? Location { get; set; }
 
-        public Lecture Lecture { get; set; }
+        public required Lecture Lecture { get; set; }
     }
 }

UWLib/LinkToScrape.cs

@@ -10,7 +10,7 @@ namespace UWLib
     public class LinkToScrape
     {
         [Key]
-        public string Url { get; set; }
+        public required string Url { get; set; }
         public int Sort { get; set; }
     }
 }

UWLib/Migrations/20241011153557_Init.cs

@@ -45,14 +45,14 @@ namespace UWLib.Migrations
                         name: "FK_LectureEvents_Lectures_LectureId_LectureSemester",
                         columns: x => new { x.LectureId, x.LectureSemester },
                         principalTable: "Lectures",
-                        principalColumns: new[] { "Id", "Semester" },
+                        principalColumns: ["Id", "Semester"],
                         onDelete: ReferentialAction.Cascade);
                 });
 
             migrationBuilder.CreateIndex(
                 name: "IX_LectureEvents_LectureId_LectureSemester",
                 table: "LectureEvents",
-                columns: new[] { "LectureId", "LectureSemester" });
+                columns: ["LectureId", "LectureSemester"]);
         }
 
         /// <inheritdoc />

UWLib/Migrations/20241013131123_Type.Designer.cs

@@ -0,0 +1,129 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using UWLib;
+
+#nullable disable
+
+namespace UWLib.Migrations
+{
+    [DbContext(typeof(LectureContext))]
+    [Migration("20241013131123_Type")]
+    partial class Type
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder.HasAnnotation("ProductVersion", "8.0.10");
+
+            modelBuilder.Entity("UWLib.Lecture", b =>
+                {
+                    b.Property<int>("Id")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Semester")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Branch")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id", "Semester");
+
+                    b.ToTable("Lectures");
+                });
+
+            modelBuilder.Entity("UWLib.LectureEvent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<DateTime>("From")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("LectureId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("LectureSemester")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Location")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime>("To")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("LectureId", "LectureSemester");
+
+                    b.ToTable("LectureEvents");
+                });
+
+            modelBuilder.Entity("UWLib.LinkToScrape", b =>
+                {
+                    b.Property<string>("Url")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("Sort")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Url");
+
+                    b.ToTable("LinksToScrape");
+                });
+
+            modelBuilder.Entity("UWLib.ScrapedLink", b =>
+                {
+                    b.Property<string>("Url")
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime>("LastScrape")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Url");
+
+                    b.ToTable("ScrapedLinks");
+                });
+
+            modelBuilder.Entity("UWLib.LectureEvent", b =>
+                {
+                    b.HasOne("UWLib.Lecture", "Lecture")
+                        .WithMany("Events")
+                        .HasForeignKey("LectureId", "LectureSemester")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Lecture");
+                });
+
+            modelBuilder.Entity("UWLib.Lecture", b =>
+                {
+                    b.Navigation("Events");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

UWLib/Migrations/20241013131123_Type.cs

@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace UWLib.Migrations
+{
+    /// <inheritdoc />
+    public partial class Type : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "Type",
+                table: "Lectures",
+                type: "TEXT",
+                nullable: false,
+                defaultValue: "");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Type",
+                table: "Lectures");
+        }
+    }
+}

UWLib/Migrations/LectureContextModelSnapshot.cs

@@ -36,6 +36,10 @@ namespace UWLib.Migrations
                         .IsRequired()
                         .HasColumnType("TEXT");
 
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
                     b.Property<string>("Url")
                         .IsRequired()
                         .HasColumnType("TEXT");

UWLib/ScrapedLink.cs

@@ -10,7 +10,7 @@ namespace UWLib
     public class ScrapedLink
     {
         [Key]
-        public string Url{ get; set; }
+        public required string Url{ get; set; }
 
         public DateTime LastScrape { get; set; }
     }

UWScraper/Program.cs

@@ -1,319 +1,29 @@
 
-using System.Collections.Generic;
+using Spectre.Console.Cli;
-using System.Globalization;
+using UWScraper;
-using System.Net.NetworkInformation;
-using System.Text.Encodings.Web;
-using System.Web;
-using System.Xml.Linq;
-using HtmlAgilityPack;
-using OpenQA.Selenium;
-using OpenQA.Selenium.BiDi.Modules.Script;
-using OpenQA.Selenium.Chrome;
-using OpenQA.Selenium.DevTools.V127.Target;
-using OpenQA.Selenium.Support.UI;
-using UWLib;
-using static Microsoft.EntityFrameworkCore.DbLoggerCategory;
-
 
 internal class Program
 {
-    readonly static List<string> checkedUrls = [];
-    readonly static List<string> urlsToCheck = [];
-
-    static bool refreshLectures = false;
-
-    static readonly LectureContext db = new();
-    static ChromeDriver? driver = null;
     private static void Main(string[] args)
     {
         AppDomain.CurrentDomain.ProcessExit += (s, e) =>
         {
-            Done();
+            Scraper.QuitDriver();
         };
 
-        var service = ChromeDriverService.CreateDefaultService();
+        AppDomain.CurrentDomain.UnhandledException += (s, e) =>
-        service.HideCommandPromptWindow = true;
-
-        var options = new ChromeOptions();
-        //options.AddArgument("--headless");
-        driver = new ChromeDriver(service, options);
-
-        if (args.Any(x => x == "-r" || x == "--refresh-lectures"))
         {
-            refreshLectures = true;
+            Scraper.QuitDriver();
+        };
 
-            Console.WriteLine("Refreshing lectures");
+        var app = new CommandApp<ScrapeCommand>();
-        }
+        app.Configure(config =>
-
-        if (args.Length == 0)
         {
-            urlsToCheck.AddRange([.. db.LinksToScrape.Select(x => x.Url)]);
+#if DEBUG
-
+            config.PropagateExceptions();
-            //add all urls that were checked in the last 24 hours
+            config.ValidateExamples();
-            checkedUrls.AddRange([.. db.ScrapedLinks.Where(x => x.LastScrape > DateTime.Now.AddDays(-1)).Select(x => x.Url)]);
+#endif
-
+        });
-            //remove all checked urls from the urls to check
+        app.Run(args);
-            foreach (var url in checkedUrls)
-            {
-                urlsToCheck.Remove(url);
-            }
-
-            if (urlsToCheck.Count == 0)
-            {
-                // add the first url to check / Vorlesungsverzeichnis
-                urlsToCheck.Add("https://ufind.univie.ac.at/de/vvz.html");
-            }
-        }
-
-        if (refreshLectures)
-        {
-            urlsToCheck.AddRange([.. db.Lectures.Select(x => x.Url)]);
-        }
-
-        Console.CursorVisible = false;
-
-        int top = Console.CursorTop;
-
-        while (urlsToCheck.Count > 0)
-        {
-            var url = urlsToCheck.First();
-
-            try
-            {
-                FindUrls(url);
-            }
-            catch (Exception e)
-            {
-                Console.Clear();
-                Console.WriteLine($"Url: {url}");
-                Console.WriteLine();
-                Console.WriteLine(e);
-                return;
-            }
-
-            Console.CursorLeft = 0;
-            Console.CursorTop = top;
-            Console.WriteLine($"Urls checked: {checkedUrls.Count}");
-            Console.WriteLine($"Urls to check: {urlsToCheck.Count}");
-        }
-
-        Console.WriteLine("Done");
-    }
-
-    private static void Done()
-    {
-        driver?.Quit();
-
-        Console.CursorVisible = true;
-
-        Console.ReadLine();
-    }
-
-    static string GetAbsoluteUrl(string relativeUrl, string baseUrl)
-    {
-        var uri = new Uri(baseUrl);
-        var baseUri = new Uri(uri, relativeUrl);
-        return HttpUtility.HtmlDecode(baseUri.AbsoluteUri);
-    }
-
-    private static void FindUrls(string source)
-    {
-        driver?.Navigate().GoToUrl(source);
-
-        // wait for the page to load
-        WebDriverWait wait = new(driver, TimeSpan.FromSeconds(2));
-        wait.Until(d => d.FindElements(By.XPath("//a[starts-with(@href, 'vvz_sub.html')]")).Count > 0 ||
-        d.FindElements(By.XPath("//a[starts-with(@href, 'course.html')]")).Count > 0 ||
-        d.FindElements(By.XPath("//h1/*/*[@class='what']")).Count > 0
-        );
-
-        HtmlDocument doc = new();
-        doc.LoadHtml(driver?.PageSource);
-        var root = doc.DocumentNode;
-
-        if (source.Contains("course.html"))
-        {
-            CreateLecture(source, root);
-        }
-
-        if (!refreshLectures)
-        {
-            FindPathLinks(source, root);
-            FindCourseLinks(source, root);
-        }
-
-        RefreshScrapedLink(source);
-        RemoveLinkToScrape(source);
-        db.SaveChanges();
-
-        checkedUrls.Add(source);
-        urlsToCheck.Remove(source);
-    }
-
-    private static void RefreshScrapedLink(string source)
-    {
-        var scrapedLink = db.ScrapedLinks.Find(source);
-        if (scrapedLink == null)
-        {
-            scrapedLink = new ScrapedLink { Url = source };
-            db.ScrapedLinks.Add(scrapedLink);
-        }
-        scrapedLink.LastScrape = DateTime.Now;
-    }
-
-    private static void FindCourseLinks(string source, HtmlNode root)
-    {
-        var courseLinkParents = root.SelectNodes("//a[starts-with(@href, 'course.html')]/..");
-        if (courseLinkParents != null)
-        {
-            foreach (var parent in courseLinkParents)
-            {
-                if (parent.SelectSingleNode("abbr[contains(@title,'Vorlesung')]") != null)
-                {
-                    var link = parent.SelectSingleNode("a[contains(@href, 'course.html')]");
-
-                    var url = GetAbsoluteUrl(link.GetAttributeValue("href", ""), source);
-
-                    if (!checkedUrls.Contains(url))
-                    {
-                        db.LinksToScrape.Add(new LinkToScrape { Url = url, Sort = 0 });
-                        urlsToCheck.Insert(0, url);
-                    }
-                }
-            }
-        }
-    }
-
-    private static void FindPathLinks(string source, HtmlNode root)
-    {
-        var pathLinks = root.SelectNodes("//a[starts-with(@href, 'vvz_sub.html')]");
-
-        if (pathLinks != null)
-        {
-            foreach (var link in pathLinks)
-            {
-                var url = GetAbsoluteUrl(link.GetAttributeValue("href", ""), source);
-
-                if (!checkedUrls.Contains(url))
-                {
-                    int sort = 1;
-                    AddLinkToScrape(url, sort);
-                    urlsToCheck.Add(url);
-                }
-            }
-        }
-    }
-
-    private static void RemoveLinkToScrape(string url)
-    {
-        var link = db.LinksToScrape.Find(url);
-        if (link != null)
-        {
-            db.LinksToScrape.Remove(link);
-        }
-    }
-
-    private static void AddLinkToScrape(string url, int sort)
-    {
-        var link = db.LinksToScrape.Find(url);
-        if (link == null)
-        {
-            db.LinksToScrape.Add(new LinkToScrape { Url = url, Sort = sort });
-        }
-    }
-
-    private static void CreateLecture(string source, HtmlNode root)
-    {
-        var branch = root.SelectSingleNode("/html/body/main/div[1]/div[1]/a");
-        var what = root.SelectSingleNode("//h1/*/*[@class='what']");
-        var when = root.SelectSingleNode("//h1/*/*[@class='when']");
-        var info = root.SelectSingleNode("//*[@class='info list']");
-        var events = root.SelectNodes("//ul[@class='classes events list']/li");
-
-        var uri = new Uri(source);
-
-        var query = HttpUtility.ParseQueryString(uri.Query);
-
-        Lecture? lecture = db.Lectures.FirstOrDefault(db => db.Url == source);
-
-        if (lecture == null)
-        {
-            lecture = new Lecture();
-
-            if (query.AllKeys.Contains("lv"))
-            {
-                lecture.Id = int.Parse(query["lv"] ?? "0");
-            }
-
-            if (when != null)
-            {
-                lecture.Semester = when.InnerText;
-            }
-
-            lecture.Url = source;
-
-            db.Lectures.Add(lecture);
-        }
-
-        if (branch != null)
-        {
-            lecture.Branch = branch.InnerText;
-        }
-
-        if (what != null)
-        {
-            lecture.Title = what.InnerText;
-        }
-
-        if (info != null)
-        {
-            lecture.Description = info.InnerHtml;
-        }
-
-        if (events != null)
-        {
-            CreateLectureEvents(events, lecture);
-        }
-    }
-
-    private static void CreateLectureEvents(HtmlNodeCollection events, Lecture lecture)
-    {
-        int year = int.Parse(lecture.Semester[..4]);
-
-        db.RemoveRange(lecture.Events);
-        lecture.Events.Clear();
-        foreach (var item in events)
-        {
-            LectureEvent lectureEvent = new();
-
-            var day = item.SelectSingleNode("*[@class='date']");
-            var time = item.SelectSingleNode("*[@class='time']");
-            var room = item.SelectSingleNode("*[@class='room']");
-            DateTime date = new();
-            if (day != null)
-            {
-                date = DateTime.ParseExact(day.InnerText + year.ToString(), "dd.MM.yyyy", CultureInfo.InvariantCulture);
-            }
-
-            if (time != null)
-            {
-                var text = time.InnerText;
-
-                var times = text.Split(" - ");
-
-                var from = TimeSpan.ParseExact(times[0], "hh\\:mm", CultureInfo.InvariantCulture);
-                var to = TimeSpan.ParseExact(times[1], "hh\\:mm", CultureInfo.InvariantCulture);
-
-                lectureEvent.From = date.Add(from);
-                lectureEvent.To = date.Add(to);
-            }
-
-            if (room != null)
-            {
-                lectureEvent.Location = room.InnerText;
-            }
-
-            lecture.Events.Add(lectureEvent);
-        }
     }
 }

UWScraper/Properties/launchSettings.json

@@ -2,7 +2,7 @@
   "profiles": {
     "UWScraper": {
       "commandName": "Project",
-      "commandLineArgs": "-r"
+      "commandLineArgs": "-s ABC"
     }
   }
 }

UWScraper/ScrapeCommand.cs

@@ -0,0 +1,109 @@
+using System.ComponentModel;
+using System.Text.RegularExpressions;
+using Spectre.Console;
+using Spectre.Console.Cli;
+
+namespace UWScraper
+{
+    internal sealed partial class ScrapeCommand : Command<ScrapeCommand.Settings>
+    {
+        public partial class Settings : CommandSettings
+        {
+            [Description("Rescrape all lectures in the data base.")]
+            [CommandOption("-r|--refresh-lectures")]
+            public bool RefreshLectures { get; set; }
+
+            [Description("The timeout for the scraping one page in seconds. (default = 2 seconds)")]
+            [CommandOption("-t|--timeout")]
+            [DefaultValue((uint)2)]
+            public uint Timeout { get; set; }
+
+            [Description("The amount of hours after which a url is rescraped. (default = 24 hours)")]
+            [CommandOption("-h|--rescrape-hours")]
+            [DefaultValue(24d)]
+            public double RescrapeHours { get; set; }
+
+            [Description("The start url for the scraping.")]
+            [CommandOption("-u|--url")]
+            [DefaultValue("https://ufind.univie.ac.at/de/vvz.html")]
+            public string StartUrl { get; set; } = "https://ufind.univie.ac.at/de/vvz.html";
+
+
+            [Description("The path to the database file. Supports relative paths (default = lectures.db)")]
+            [CommandOption("-p|--path")]
+            [DefaultValue("lecture.db")]
+            public string DatabasePath { get; set; } = "lecture.db";
+
+            [Description("The semester for which the lectures should be scraped. \"all\" for all semester (default = current semester) ")]
+            [CommandOption("-s|--semester")]
+            [DefaultValue(null)]
+            public string Semester { get; set; } = DateTime.Now.Year + (DateTime.Now.Month >= 10 ? "W": "S");
+
+            
+            [Description("Clear all links to scrape.")]
+            [CommandOption("-c|--clear-links")]
+            [DefaultValue(false)]
+            public bool ClearLinksToScrape { get; set; }
+
+            public override ValidationResult Validate()
+            {
+                Regex semesterRegex = SemesterRegex();
+
+                if (!semesterRegex.IsMatch(Semester))
+                {
+                    return ValidationResult.Error($"Semester {Semester} is not valid. Please use the format \"all\" or \"YYYY[S|W]\".");
+                }
+
+                if (!Uri.IsWellFormedUriString(StartUrl, UriKind.Absolute))
+                {
+                    return ValidationResult.Error($"The start url {StartUrl} is not a valid url.");
+                }
+
+                return ValidationResult.Success();
+            }
+
+            [GeneratedRegex(@"^(all|\d{4}[S|W])$")]
+            private static partial Regex SemesterRegex();
+        }
+
+        public override int Execute(CommandContext context, Settings settings)
+        {
+            AnsiConsole.Progress()
+                .Columns(
+                    new TaskDescriptionColumn(),
+                    new ValuesColumn(),
+                    new ProgressBarColumn(),
+                    new PercentageColumn(),
+                    new RemainingTimeColumn()
+                    )
+                .Start(ctx =>
+                {   
+                    
+                    Scraper.Init += (e) =>
+                    {
+                        var task = ctx.AddTask("Scraped urls", true, e.ToScrape + e.Scraped);
+                        task.Value(e.Scraped);
+
+                        Scraper.Scraped += (e) =>
+                        {
+                            if (!task.IsStarted)
+                            {
+                                task.StartTask();
+                            }
+
+                            task.MaxValue(e.ToScrape + e.Scraped);
+
+                            task.Value(e.Scraped);
+                        };
+                    };
+
+                   
+                    Scraper.Scrape(settings);
+                });
+
+
+
+            return 0;
+        }
+    }
+}

UWScraper/Scraper.cs

@@ -0,0 +1,449 @@
+using System.Globalization;
+using HtmlAgilityPack;
+using System.Web;
+using OpenQA.Selenium.Chrome;
+using OpenQA.Selenium.Support.UI;
+using UWLib;
+using OpenQA.Selenium;
+using Microsoft.EntityFrameworkCore;
+using System.Text;
+using System.IO;
+using System.Text.RegularExpressions;
+using Microsoft.EntityFrameworkCore.Design;
+using System.Reflection;
+using System.ComponentModel;
+
+namespace UWScraper
+{
+
+    internal static class Scraper
+    {
+        public class ScrapedEventArgs : EventArgs
+        {
+            public int Scraped { get; set; }
+            public int ToScrape { get; set; }
+        }
+
+        readonly static List<string> checkedUrls = [];
+        readonly static List<string> urlsToCheck = [];
+
+        static bool refreshLectures = false;
+        static uint timeout = 2;
+        static string semester = "";
+
+        static LectureContext db = new("lecture.db");
+        static readonly ChromeDriver? driver = null;
+
+        public delegate void ScrapedEventHandler(ScrapedEventArgs e);
+        public delegate void InitEventHandler();
+
+        public static event ScrapedEventHandler? Scraped;
+
+        public static event ScrapedEventHandler? Init;
+
+        static internal void QuitDriver()
+        {
+            driver?.Quit();
+        }
+
+        static Scraper()
+        {
+            var service = ChromeDriverService.CreateDefaultService();
+            service.HideCommandPromptWindow = true;
+
+            var options = new ChromeOptions();
+            //options.AddArgument("--headless");
+            driver = new ChromeDriver(service, options);
+        }
+
+        static internal void Scrape(ScrapeCommand.Settings settings)
+        {
+            db = new LectureContext(settings.DatabasePath);
+
+            Scraper.timeout = settings.Timeout;
+            Scraper.refreshLectures = settings.RefreshLectures;
+
+            if (settings.ClearLinksToScrape)
+            {
+                db.LinksToScrape.RemoveRange(db.LinksToScrape.ToList());
+                db.SaveChanges();
+            }
+
+            if (settings.Semester != null)
+            {
+                semester = settings.Semester;
+            }
+
+            if (!refreshLectures)
+            {
+                urlsToCheck.AddRange([.. db.LinksToScrape.OrderBy(x => x.Sort).Select(x => x.Url)]);
+
+                //add all urls that were checked in the last 24 hours
+                checkedUrls.AddRange([.. db.ScrapedLinks.Where(x => x.LastScrape > DateTime.Now.AddDays(-settings.RescrapeHours)).Select(x => x.Url)]);
+
+                //remove all checked urls from the urls to check
+                foreach (var url in checkedUrls)
+                {
+                    urlsToCheck.Remove(url);
+                }
+
+                if (urlsToCheck.Count == 0)
+                {
+                    // add the first url to check / Vorlesungsverzeichnis
+                    var defaultValueAttr = settings.GetType().GetCustomAttribute<DefaultValueAttribute>();
+
+                    if (defaultValueAttr != null && settings.StartUrl == defaultValueAttr.Value?.ToString())
+                    {
+                        urlsToCheck.Add($"{settings.StartUrl}+?semester={semester}");
+                    }
+                    else
+                    {
+                        urlsToCheck.Add(settings.StartUrl);
+                    }
+
+
+
+                }
+            }
+            else
+            {
+                urlsToCheck.AddRange([.. db.Lectures.Select(x => x.Url)]);
+            }
+
+            Console.CursorVisible = false;
+
+            int top = Console.CursorTop;
+
+            Init?.Invoke(new ScrapedEventArgs() { Scraped = checkedUrls.Count, ToScrape = urlsToCheck.Count });
+
+            while (urlsToCheck.Count > 0)
+            {
+                var url = urlsToCheck.First();
+
+                ScrapeUrl(url);
+
+                Scraped?.Invoke(new ScrapedEventArgs() { Scraped = checkedUrls.Count, ToScrape = urlsToCheck.Count });
+            }
+        }
+
+        static string GetAbsoluteUrl(string relativeUrl, string baseUrl)
+        {
+            var uri = new Uri(baseUrl);
+            var baseUri = new Uri(uri, relativeUrl);
+
+            var absolute = HttpUtility.HtmlDecode(baseUri.AbsoluteUri);
+
+            var sanitized = SanitizeUrl(absolute);
+
+            return sanitized;
+        }
+
+        public static string SanitizeUrl(string url)
+        {
+            string[] filter = ["from", "to", "details"];
+
+            Uri uri = new(url);
+
+            url = uri.GetLeftPart(UriPartial.Path);
+
+            if (!string.IsNullOrWhiteSpace(uri.Query))
+            {
+                var query = HttpUtility.ParseQueryString(uri.Query);
+
+                StringBuilder builder = new();
+
+                builder.Append('?');
+                foreach (var item in query.AllKeys.Where(x => !filter.Contains(x)).OrderBy(x => x))
+                {
+                    builder.Append($"{item}={query[item]}");
+                    builder.Append('&');
+                }
+
+                builder.Length--;
+
+                var sortedQuery = builder.ToString();
+
+                url += sortedQuery;
+            }
+
+            return url;
+        }
+
+        private static void ScrapeUrl(string source)
+        {
+            Navigate(source);
+
+            RefreshScrapedLink(source);
+            RemoveLinkToScrape(source);
+            db.SaveChanges();
+
+            checkedUrls.Add(source);
+            urlsToCheck.Remove(source);
+        }
+
+        private static void Navigate(string source)
+        {
+            try
+            {
+
+                var s = GetSemesterOfUrl(source);
+
+                if (!string.IsNullOrEmpty(s) && semester != "all" && semester != s)
+                {
+                    return;
+                }
+                driver?.Navigate().GoToUrl(source);
+
+                // wait for the page to load
+                WebDriverWait wait = new(driver, TimeSpan.FromSeconds(timeout));
+                wait.Until(d => d.FindElements(By.XPath("//a[starts-with(@href, 'vvz_sub.html')]")).Count > 0 ||
+                d.FindElements(By.XPath("//a[starts-with(@href, 'course.html')]")).Count > 0 ||
+                d.FindElements(By.XPath("//h1/*/*[@class='what']")).Count > 0
+                );
+
+
+
+
+
+                HtmlDocument doc = new();
+                doc.LoadHtml(driver?.PageSource);
+                var root = doc.DocumentNode;
+
+                var semesterNode = root.SelectSingleNode("/html/body/main/nav/span[@class='current']");
+
+                if (semesterNode != null)
+                {
+                    s = semesterNode.InnerText;
+                    if (!string.IsNullOrEmpty(s) && semester != "all" && semester != s)
+                    {
+                        return;
+                    }
+                }
+
+
+
+                if (source.Contains("course.html"))
+                {
+                    CreateLecture(source, root);
+                }
+
+                if (!refreshLectures)
+                {
+                    FindPathLinks(source, root);
+                    FindCourseLinks(source, root);
+                }
+
+            }
+            catch (Exception)
+            {
+            }
+        }
+
+        private static string GetSemesterOfUrl(string source)
+        {
+            Uri uri = new(source);
+
+            if (uri.Query.Contains("semester"))
+            {
+                var query = HttpUtility.ParseQueryString(uri.Query);
+
+                if (query.AllKeys.Contains("semester"))
+                {
+                    return query["semester"] ?? string.Empty;
+                }
+            }
+
+            return string.Empty;
+        }
+
+        private static void RefreshScrapedLink(string source)
+        {
+            var scrapedLink = db.ScrapedLinks.Find(source);
+            if (scrapedLink == null)
+            {
+                scrapedLink = new ScrapedLink { Url = source };
+                db.ScrapedLinks.Add(scrapedLink);
+            }
+            scrapedLink.LastScrape = DateTime.Now;
+        }
+
+        private static void FindCourseLinks(string source, HtmlNode root)
+        {
+            var courseLinkParents = root.SelectNodes("//a[starts-with(@href, 'course.html')]/..");
+            if (courseLinkParents != null)
+            {
+                foreach (var parent in courseLinkParents)
+                {
+                    var link = parent.SelectSingleNode("a[contains(@href, 'course.html')]");
+
+                    var url = GetAbsoluteUrl(link.GetAttributeValue("href", ""), source);
+
+                    if (!checkedUrls.Contains(url) && !urlsToCheck.Contains(url))
+                    {
+                        AddLinkToScrape(url, 0);
+                        urlsToCheck.Insert(0, url);
+                    }
+
+                }
+            }
+        }
+
+        private static void FindPathLinks(string source, HtmlNode root)
+        {
+            var pathLinks = root.SelectNodes("//a[starts-with(@href, 'vvz_sub.html')]");
+
+            if (pathLinks != null)
+            {
+                foreach (var link in pathLinks)
+                {
+                    var url = GetAbsoluteUrl(link.GetAttributeValue("href", ""), source);
+
+                    if (!checkedUrls.Contains(url) && !urlsToCheck.Contains(url))
+                    {
+                        AddLinkToScrape(url, 1);
+                        urlsToCheck.Add(url);
+                    }
+                }
+            }
+        }
+
+        private static void RemoveLinkToScrape(string url)
+        {
+            var link = db.LinksToScrape.Find(url);
+            if (link != null)
+            {
+                db.LinksToScrape.Remove(link);
+            }
+        }
+
+        private static void AddLinkToScrape(string url, int sort)
+        {
+            var link = db.LinksToScrape.Find(url);
+            if (link == null)
+            {
+                db.LinksToScrape.Add(new LinkToScrape { Url = url, Sort = sort });
+            }
+        }
+
+        private static void CreateLecture(string source, HtmlNode root)
+        {
+            //ingoreLectureTypes
+
+            var branch = root.SelectSingleNode("//*[@class='spl']");
+            var number = root.SelectSingleNode("//*[@class='title']//*[@class='number']");
+            var type = root.SelectSingleNode("//*[@class='title']//*[@class='type']");
+            var what = root.SelectSingleNode("//*[@class='title']//*[@class='what']");
+            var when = root.SelectSingleNode("//*[@class='title']//*[@class='when']");
+            var info = root.SelectSingleNode("//*[@class='info list']");
+            var events = root.SelectNodes("//ul[@class='classes events list']/li");
+
+            var uri = new Uri(source);
+
+            var query = HttpUtility.ParseQueryString(uri.Query);
+
+            int id = 0;
+            string semester = string.Empty;
+
+            if (number != null)
+            {
+                id = int.Parse(number.InnerText);
+            }
+            if (query.AllKeys.Contains("lv"))
+            {
+                id = int.Parse(query["lv"] ?? "0");
+            }
+
+            if (when != null)
+            {
+                semester = when.InnerText;
+            }
+            else if (query.AllKeys.Contains("semester"))
+            {
+                semester = query["semester"] ?? "";
+            }
+
+            Lecture? lecture = db.Lectures.Include(x => x.Events).FirstOrDefault(db => db.Id == id && db.Semester == semester);
+
+            if (lecture == null)
+            {
+                lecture = new Lecture
+                {
+                    Id = id,
+
+                    Semester = semester
+                };
+
+                db.Lectures.Add(lecture);
+            }
+
+            lecture.Url = source;
+
+            if (branch != null)
+            {
+                lecture.Branch = branch.InnerText;
+            }
+
+            if (what != null)
+            {
+                lecture.Title = what.InnerText;
+            }
+
+            if (info != null)
+            {
+                lecture.Description = info.InnerHtml;
+            }
+
+            if (type != null)
+            {
+                lecture.Type = type.GetAttributeValue("title", "");
+            }
+
+            if (events != null)
+            {
+                CreateLectureEvents(events, lecture);
+            }
+        }
+
+        private static void CreateLectureEvents(HtmlNodeCollection events, Lecture lecture)
+        {
+            int year = int.Parse(lecture.Semester[..4]);
+
+            db.RemoveRange(lecture.Events);
+            lecture.Events.Clear();
+            foreach (var item in events)
+            {
+                LectureEvent lectureEvent = new() { Lecture = lecture };
+
+                var day = item.SelectSingleNode("*[@class='date']");
+                var time = item.SelectSingleNode("*[@class='time']");
+                var room = item.SelectSingleNode("*[@class='room']");
+                DateTime date = new();
+                if (day != null)
+                {
+                    date = DateTime.ParseExact(day.InnerText + year.ToString(), "dd.MM.yyyy", CultureInfo.InvariantCulture);
+                }
+
+                if (time != null)
+                {
+                    var text = time.InnerText;
+
+                    var times = text.Split(" - ");
+
+                    var from = TimeSpan.ParseExact(times[0], "hh\\:mm", CultureInfo.InvariantCulture);
+                    var to = TimeSpan.ParseExact(times[1], "hh\\:mm", CultureInfo.InvariantCulture);
+
+                    lectureEvent.From = date.Add(from);
+                    lectureEvent.To = date.Add(to);
+                }
+
+                if (room != null)
+                {
+                    lectureEvent.Location = room.InnerText;
+                }
+
+                lecture.Events.Add(lectureEvent);
+            }
+        }
+
+    }
+}

UWScraper/UWScraper.csproj

@@ -14,6 +14,8 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Selenium.WebDriver" Version="4.25.0" />
+    <PackageReference Include="Spectre.Console" Version="0.49.1" />
+    <PackageReference Include="Spectre.Console.Cli" Version="0.49.1" />
   </ItemGroup>
 
   <ItemGroup>

UWScraper/ValuesColumn.cs

@@ -0,0 +1,13 @@
+using Spectre.Console;
+using Spectre.Console.Rendering;
+
+namespace UWScraper
+{
+    internal class ValuesColumn : ProgressColumn
+    {
+        public override IRenderable Render(RenderOptions options, ProgressTask task, TimeSpan deltaTime)
+        {
+            return new Text($"{task.Value} / {task.MaxValue}", Style.Plain).RightJustified();
+        }
+    }
+}