added quiz support, improved assignment description and rubric support

Management.Web/Shared/Components/AssignmentForm/AssignmentDescriptionEditor.razor

@@ -14,7 +14,8 @@
   {
     if (assignmentContext.Assignment != null)
     {
-      Description = assignmentContext.Assignment.Description;
+      description = assignmentContext.Assignment.Description;
+      descriptionForPreview = description;
       TemplateId = assignmentContext.Assignment.TemplateId;
       UseTemplate = TemplateId != null && TemplateId != "";
       VariableValues = assignmentContext.Assignment.TemplateVariables;
@@ -27,25 +28,7 @@
   }
 
   private string description { get; set; } = default!;
-  public string Description 
-  { 
-    get => description;
-    set 
-    {
-      description = value;
-      if (description != string.Empty)
-      {
-        if(assignmentContext.Assignment != null)
-        {
-          var newAssignment = assignmentContext.Assignment with 
-          {
-            Description = description
-          };
-          assignmentContext.SaveAssignment(newAssignment);
-        }
-      }
-    }
-  }
+  private string descriptionForPreview { get; set; } = default!;
   public bool? UseTemplate { get; set; } = null;
 
   public string? TemplateId { get; set; }
@@ -58,9 +41,21 @@
     .AssignmentTemplates
     .FirstOrDefault(t => t.Id == TemplateId);
 
-  private void saveDescription(ChangeEventArgs e)
+  private void handleNewDescription(ChangeEventArgs e)
   {
-    
+    var newDescription = e.Value?.ToString();
+    if (newDescription != string.Empty)
+    {
+      descriptionForPreview = newDescription;
+      if (assignmentContext.Assignment != null)
+      {
+        var newAssignment = assignmentContext.Assignment with
+        {
+          Description = newDescription
+        };
+        assignmentContext.SaveAssignment(newAssignment);
+      }
+    }
   }
 
   private void saveTemplateId(ChangeEventArgs e)
@@ -68,15 +63,15 @@
     if(assignmentContext.Assignment != null)
     {
       var newTemplateId = e.Value?.ToString();
-      var newAssignment = assignmentContext.Assignment with 
+      var newAssignment = assignmentContext.Assignment with
       {
-        Description = e.Value?.ToString() ?? ""
+        TemplateId = newTemplateId
       };
       assignmentContext.SaveAssignment(newAssignment);
     }
   }
 
-  private MarkupString preview { get => (MarkupString) Markdown.ToHtml(Description); }
+  private MarkupString preview { get => (MarkupString)Markdown.ToHtml(descriptionForPreview); }
 
 }
 
@@ -167,11 +162,11 @@
           id="description" 
           class="form-control" 
           rows=12
-          @bind="Description"
-          @bind:event="oninput"
+          @bind="description"
+          @oninput="handleNewDescription"
         />
       </div>
-      <div class="col" @key="Description">
+      <div class="col" @key="descriptionForPreview">
         @(preview)
       </div>
     </div>

Management.Web/Shared/Components/AssignmentForm/RubricEditorItem.razor

@@ -12,6 +12,20 @@
   public Action MoveUp { get; set; } = default!;
   [Parameter, EditorRequired]
   public Action MoveDown { get; set; } = default!;
+
+  private int points { get;  set; }
+  private string label { get; set; }
+  private string lastRubricItemId { get; set; }
+  protected override void OnParametersSet()
+  {
+    if(RubricItem.Id != lastRubricItemId)
+    {
+      lastRubricItemId = RubricItem.Id;
+      points = RubricItem.Points;
+      label = RubricItem.Label;
+    }
+  }
+
   private void editItem(string label, int points)
   {
     var newRubricItem = RubricItem with
@@ -39,7 +53,7 @@
         id="rubricLabel"
         name="rubricLabel"
         @oninput="@(e => editItem(e.Value?.ToString() ?? "", RubricItem.Points))" 
-        value="@RubricItem.Label" 
+        @bind="label" 
       />
     </div>
     <div class="col">
@@ -57,7 +71,7 @@
           RubricItem.Label,
           int.Parse(e.Value?.ToString() != "" ? e.Value?.ToString() ?? "0" : "0"))
         )" 
-        value="@RubricItem.Points"
+        @bind="points"
         type="number" 
       />
     </div>

Management.Web/Shared/Components/Quiz/QuizForm.razor

@@ -137,6 +137,7 @@
           @oninput="handleNewDescription" 
         />
       </div>
+      <QuizSettings />
 
       @foreach(var question in quizContext.Quiz.Questions)
       {

Management.Web/Shared/Components/Quiz/QuizQuestionForm.razor

@@ -42,7 +42,9 @@
   {
     if (quizContext.Quiz != null)
     {
-      var newPoints = int.Parse(e.Value?.ToString() ?? "0");
+      var pointsString = e.Value?.ToString() ?? "0";
+
+      var newPoints = int.Parse(pointsString == string.Empty ? "0" : pointsString);
       var newQuestion = Question with
       {
         Points = newPoints
@@ -123,28 +125,20 @@
       />
     </div>
     <div class="col-auto">
-      @foreach(var typeOption in QuestionType.AllTypes)
-      {
-        <div class="form-check">
-          <input 
-            class="form-check-input" 
-            type="radio" 
-            name="@(Question.Id + "question_type")"
-            id="@(Question.Id + typeOption)"
-            value="@typeOption"
-            checked="@(typeOption == questionType)"
-            @onchange="() => handleTypeUpdate(typeOption)"
-          >
-          <label
-            class="form-check-label" 
-            for="@(Question.Id + typeOption)"
-          >
-            @typeOption
-          </label>
-        </div>
-      }
+      
     </div>
   </div>
+  @foreach (var typeOption in QuestionType.AllTypes)
+  {
+    <div class="form-check">
+      <input class="form-check-input" type="radio" name="@(Question.Id + "question_type")"
+        id="@(Question.Id + typeOption)" value="@typeOption" checked="@(typeOption == questionType)"
+      @onchange="() => handleTypeUpdate(typeOption)">
+      <label class="form-check-label" for="@(Question.Id + typeOption)">
+        @typeOption
+      </label>
+    </div>
+  }
   <div class="mb-3 row">
     <div class="col-auto">
       <label 
@@ -166,15 +160,6 @@
 
     @if(questionType == QuestionType.MULTIPLE_ANSWERS || questionType == QuestionType.MULTIPLE_CHOICE)
     {
-
-      @foreach(var answer in answers)
-      {
-        <EditableQuizAnswer
-          Answer="answer" 
-          SaveAnswer="saveAnswer" 
-          Question="Question"
-        />
-      }
       <button 
         class="btn btn-outline-danger"
         @onclick="removeAnswer"
@@ -187,6 +172,15 @@
       >
         + Add Answer
       </button>
+
+      @foreach(var answer in answers)
+      {
+        <EditableQuizAnswer
+          Answer="answer" 
+          SaveAnswer="saveAnswer" 
+          Question="Question"
+        />
+      }
       
     }
     <div>

Management.Web/Shared/Components/Quiz/QuizSettings.razor

@@ -0,0 +1,74 @@
+@using Management.Web.Shared.Components
+
+@inject QuizEditorContext quizContext
+
+@code {
+  protected override void OnInitialized()
+  {
+    quizContext.StateHasChanged += reload;
+  }
+  private void reload()
+  {
+    if (quizContext.Quiz != null)
+    {
+      if (!lockAtDueDate)
+        lockAtDueDate = quizContext.Quiz.LockAtDueDate;
+      if (lockAt == null)
+        lockAt = quizContext.Quiz.LockAt;
+      if (!shuffleAnswers)
+        shuffleAnswers = quizContext.Quiz.ShuffleAnswers;
+      if (!oneQuestionAtATime)
+        oneQuestionAtATime = quizContext.Quiz.OneQuestionAtATime;
+      if (allowedAttempts == 0)
+        allowedAttempts = quizContext.Quiz.AllowedAttempts;
+
+      this.InvokeAsync(this.StateHasChanged);
+    }
+  }
+  public void Dispose()
+  {
+    quizContext.StateHasChanged -= reload;
+  }
+
+  private bool lockAtDueDate { get; set; }
+  private DateTime? lockAt { get; set; }
+  private bool shuffleAnswers { get; set; }
+  private bool oneQuestionAtATime { get; set; }
+  private int allowedAttempts { get; set; }
+
+  private void handleLockAtDueDateChange()
+  {
+    if(quizContext.Quiz != null)
+    {
+      var newValue = !quizContext.Quiz.LockAtDueDate;
+
+      var newQuiz = newValue
+        ? quizContext.Quiz with
+          {
+            LockAtDueDate = newValue,
+            LockAt = quizContext.Quiz.DueAt
+          }
+        : quizContext.Quiz with
+          {
+            LockAtDueDate = newValue
+          };
+      quizContext.SaveQuiz(newQuiz);
+    }
+  }
+}
+
+<div>
+  <div class="form-check form-switch">
+    <input 
+      class="form-check-input" 
+      type="checkbox"
+      role="switch" 
+      id="lockAtDueDate"
+      checked="lockAtDueDate"
+      @onchange="handleLockAtDueDateChange">
+    <label 
+      class="form-check-label" for="lockAtDueDate">
+      Lock at Due Date
+    </label>
+  </div>
+</div>

Management.Web/Shared/Module/NewModule.razor

@@ -16,7 +16,8 @@
     {
       var newModule = new LocalModule
       {
-        Name=Name
+        Name=Name,
+        Id=Guid.NewGuid().ToString()
       };