only initialize courses in directories that exist

Management.Web/Shared/InitializeNewCourse.razor

@@ -0,0 +1,196 @@
+@using CanvasModel.EnrollmentTerms
+@using Management.Web.Shared.Components
+@using Management.Web.Shared.Semester
+@using CanvasModel.Courses
+@using Microsoft.AspNetCore.Components.Server.ProtectedBrowserStorage
+@using LocalModels
+
+@inject CanvasService canvas
+@inject FileStorageManager fileStorageManager
+
+
+@code {
+  [Parameter, EditorRequired]
+  public Action NewFileCreated { get; set; } = default!;
+  private bool loadingTerms = false;
+  private bool loadingCourses = false;
+  public IEnumerable<LocalCourse>? localCourses { get; set; }
+  private IEnumerable<EnrollmentTermModel>? terms { get; set; } = null;
+  private IEnumerable<CourseModel>? courses { get; set; } = null;
+  private ulong? _selectedTermId { get; set; }
+  private ulong? selectedTermId
+  {
+    get => _selectedTermId;
+    set
+    {
+      _selectedTermId = value;
+      this.InvokeAsync(updateCourses);
+    }
+  }
+  private EnrollmentTermModel? selectedTerm
+  {
+    get => terms?.FirstOrDefault(t => t.Id == selectedTermId);
+  }
+
+  private ulong? _selectedCourseId { get; set; }
+  private ulong? selectedCourseId
+  {
+    get => _selectedCourseId;
+    set
+    {
+      _selectedCourseId = value;
+    }
+  }
+
+  private CourseModel? selectedCourse
+  {
+    get => courses?.First(c => c.Id == selectedCourseId);
+  }
+
+  private List<DayOfWeek> days { get; set; } = new();
+
+  private IEnumerable<string> directoriesNotUsed { get; set; } = [];
+  private string? selectedStorageDirectory { get; set; } = null;
+  protected override async Task OnInitializedAsync()
+  {
+    loadingTerms = true;
+    terms = await canvas.GetCurrentTermsFor();
+    loadingTerms = false;
+    directoriesNotUsed = await fileStorageManager.GetEmptyDirectories();
+  }
+
+  private async Task SaveNewCourse()
+  {
+    if (selectedCourse != null && selectedStorageDirectory != null && selectedStorageDirectory != string.Empty)
+    {
+      var course = new LocalCourse
+        {
+          Modules = new LocalModule[] { },
+          Settings = new LocalCourseSettings()
+          {
+            Name = Path.GetFileName(selectedStorageDirectory),
+            CanvasId = selectedCourse.Id,
+            StartDate = selectedTerm?.StartAt ?? new DateTime(),
+            EndDate = selectedTerm?.EndAt ?? new DateTime(),
+            DaysOfWeek = days,
+          }
+        };
+      await fileStorageManager.SaveCourseAsync(course);
+      NewFileCreated();
+    }
+    await updateCourses();
+  }
+
+  private async Task updateCourses()
+  {
+    if (selectedTermId != null)
+    {
+      loadingCourses = true;
+
+      localCourses = await fileStorageManager.LoadSavedCourses();
+      var storedCourseIds = localCourses.Select(c => c.Settings.CanvasId);
+      var allCourses = await canvas.GetCourses((ulong)selectedTermId);
+      courses = allCourses.Where(c => !storedCourseIds.Contains(c.Id));
+      loadingCourses = false;
+    }
+    else
+      courses = null;
+
+    StateHasChanged();
+  }
+}
+
+@if (loadingTerms)
+{
+  <Spinner />
+}
+
+@if (terms != null)
+{
+  <div class="row justify-content-center">
+  <div class="col-auto">
+    <label for="termselect">Select Term:</label>
+    <select 
+      id="termselect" 
+      class="form-select" 
+      @bind="selectedTermId"
+    >
+      @foreach (var term in terms)
+        {
+          <option value="@term.Id">@term.Name</option>
+        }
+      </select>
+    </div>
+  </div>
+}
+
+
+@if (selectedTerm is not null)
+{
+  @if (loadingCourses)
+  {
+    <Spinner />
+  }
+
+  @if (courses != null)
+  {
+    <div class="row justify-content-center m-3">
+      <div class="col-auto">
+        <label for="courseselect">Select Course:</label>
+        <select id="courseselect" class="form-select" @bind="selectedCourseId">
+        @foreach (var course in courses)
+        {
+          <option value="@course.Id">@course.Name</option>
+        }
+        </select>
+      </div>
+    </div>
+    <div class="row justify-content-center m-3">
+      <div class="col-auto">
+        <label for="directorySelect">Select Storage Directory:</label>
+        <select 
+          id="directorySelect" 
+          class="form-select" 
+          @bind="selectedStorageDirectory"
+        >
+          <option></option>
+          @foreach (var folder in directoriesNotUsed)
+          {
+            <option value="@folder">@folder</option>
+          }
+        </select>
+      </div>
+    </div>
+  }
+
+  <h5 class="text-center mt-3">Select Days Of Week</h5>
+  <div class="row m-3">
+  @foreach (DayOfWeek day in (DayOfWeek[])Enum.GetValues(typeof(DayOfWeek)))
+    {
+      <div class="col">
+        <button 
+          class="@(
+            days.Contains(day) 
+            ? "btn btn-secondary" 
+            : "btn btn-outline-secondary"
+          )" 
+          @onclick="() => {
+            if(days.Contains(day))
+              days.Remove(day);
+            else
+              days.Add(day);
+          }"
+        >
+          @day
+        </button>
+      </div>
+    }
+  </div>
+
+
+  <div class="text-center">
+    <button @onclick="SaveNewCourse" class="btn btn-primary">
+      Create Course Files
+    </button>
+  </div>
+}