restructured components so that there are more components in the pages

Management.Web/Pages/AssignmentForm/AssignmentFormPage.razor

@@ -0,0 +1,67 @@
+@page "/course/{CourseName}/assignment/{AssignmentName}"
+
+@using CanvasModel.EnrollmentTerms
+@using CanvasModel.Courses
+@using Microsoft.AspNetCore.Components.Server.ProtectedBrowserStorage
+@using LocalModels
+@using Management.Web.Shared.Module.Assignment
+@using Management.Web.Shared.Components
+
+@inject FileStorageManager fileStorageManager
+@inject CanvasService canvas
+@inject CoursePlanner planner
+@inject AssignmentEditorContext assignmentContext
+@inject ILogger<AssignmentFormPage> logger
+
+@code {
+  [Parameter]
+  public string? CourseName { get; set; } = default!;
+  [Parameter]
+  public string? AssignmentName { get; set; } = default!;
+
+  private bool loading { get; set; } = true;
+
+  protected override async Task OnInitializedAsync()
+  {
+    if (loading)
+    {
+      loading = false;
+      logger.LogInformation($"loading assignment {CourseName} {AssignmentName}");
+      if (planner.LocalCourse == null)
+      {
+        var courses = await fileStorageManager.LoadSavedCourses();
+        planner.LocalCourse = courses.First(c => c.Settings.Name == CourseName);
+        logger.LogInformation($"set course to '{planner.LocalCourse?.Settings.Name}'");
+      }
+
+      if (assignmentContext.Assignment == null)
+      {
+        var assignment = planner
+          .LocalCourse?
+          .Modules
+          .SelectMany(m => m.Assignments)
+          .FirstOrDefault(a => a.Name == AssignmentName);
+
+        assignmentContext.Assignment = assignment;
+        logger.LogInformation($"set assignment to '{assignmentContext.Assignment?.Name}'");
+      }
+      await planner.LoadCanvasData();
+      base.OnInitialized();
+      StateHasChanged();
+    }
+  }
+}
+
+<PageTitle>@CourseName - @AssignmentName</PageTitle>
+
+<div style="height: 100vh;" class="m-0 p-1 d-flex flex-row">
+  @if (loading)
+  {
+    <Spinner />
+  }
+
+  @if (planner.LocalCourse != null && assignmentContext.Assignment != null)
+  {
+    <AssignmentForm />
+  }
+</div>