canvasManagement/Management.Web/Pages/AssignmentForm/RubricDisplay.razor

@using Management.Web.Shared.Components

@inject CoursePlanner planner
@inject AssignmentEditorContext assignmentContext

@code
{
  private string? error { get; set; } = null;

  protected override void OnInitialized()
  {
    assignmentContext.StateHasChanged += reload;
    reload();
  }
  private void reload()
  {
    this.InvokeAsync(this.StateHasChanged);
  }

  public void Dispose()
  {
    assignmentContext.StateHasChanged -= reload;
  }

  private int requiredPoints => assignmentContext?.Assignment?.Rubric.Where(r => !r.IsExtraCredit).Select(r => r.Points).Sum() ?? 0;
  private int extraCreditPoints => assignmentContext?.Assignment?.Rubric.Where(r => r.IsExtraCredit).Select(r => r.Points).Sum() ?? 0;
}

@if(assignmentContext != null)
{
  <div class="row">
    <h4 class="text-center">Rubric</h4>
  </div>

  @if (error != null)
  {
    <p class="text-danger text-truncate">Error: @error</p>
  }

  <div class="row border-bottom">
    <div class="col-6 text-end">Label</div>
    <div class="col-3 text-center">Points</div>
    <div class="col-3 text-center">Extra Credit</div>
  </div>
  @foreach (var item in assignmentContext?.Assignment?.Rubric ?? [])
  {
    <div class="row border-bottom">
      <div class="col-6 text-end">@item.Label</div>
      <div class="col-3 text-center">@item.Points</div>
      <div class="col-3 text-center">@item.IsExtraCredit</div>
    </div>
  }
  <div class="text-end">
    <div>
      Required Points: @requiredPoints
    </div>
    <div>
      Extra Credit Points @extraCreditPoints
    </div>
  </div>
}