fixed assignment save bug

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

@@ -3,7 +3,6 @@
 @inject CoursePlanner planner
 
 @code {
-  public LocalModule Module { get; set; } = default!;
 
   [Parameter]
   [EditorRequired]
@@ -54,6 +53,7 @@
       .Select(s => s.Points)
       .Sum();
 
+      
     var newAssignment = Assignment with 
     {
       Name=name,
@@ -69,20 +69,29 @@
 
     if(planner.LocalCourse != null)
     {
+       var currentModule = planner
+          .LocalCourse
+          .Modules
+          .First(m => 
+            m.Assignments
+              .Select(a => a.Id)
+              .Contains(Assignment.Id)
+          ) ?? throw new Exception("could not find current module in assignment form");
+      var updatedModules = planner.LocalCourse.Modules.Select(m => 
+        m.Name == currentModule.Name 
+          ? currentModule with 
+          {
+            Assignments=currentModule.Assignments.Select(a => 
+              a.Id == newAssignment.Id
+                ? newAssignment
+                : a
+            ).ToArray()
+          }
+          : m
+        ).ToArray();
       planner.LocalCourse = planner.LocalCourse with 
       {
-        Modules=planner.LocalCourse.Modules.Select(m => 
-          m.Name != Module.Name 
-            ? m 
-            : Module with 
-            {
-              Assignments=Module.Assignments.Select(a => 
-                a.Id == newAssignment.Id
-                  ? newAssignment
-                  : a
-              )
-            }
-          )
+        Modules=updatedModules
       };
     }
     AssignmentModal?.Hide();

Management.Web/Shared/Module/ModuleDetail.razor

@@ -96,6 +96,9 @@
           <h5>Assignments</h5>
         </div>
         <div class="col-auto">
+          <NewQuiz
+            Module="Module" 
+          />
           <NewAssignment 
             Module="Module" 
           />

Management.Web/Shared/Module/NewAssignment.razor

@@ -33,16 +33,17 @@
 
     if(planner.LocalCourse != null)
     {
+      var newModules =planner.LocalCourse.Modules.Select(m => 
+        m.Name != Module.Name 
+          ? m 
+          : Module with 
+          {
+            Assignments=Module.Assignments.Append(newAssignment)
+          }
+        );
       planner.LocalCourse = planner.LocalCourse with 
       {
-        Modules=planner.LocalCourse.Modules.Select(m => 
-          m.Name != Module.Name 
-            ? m 
-            : Module with 
-            {
-              Assignments=Module.Assignments.Append(newAssignment)
-            }
-          )
+        Modules=newModules
       };
     }
     modal?.Hide();
@@ -52,7 +53,7 @@
   class="btn btn-outline-secondary" 
   @onclick="() => modal?.Show()"
 >
-  New Assignment
+  + Assignment
 </button>
 
 <Modal @ref="modal">
@@ -69,7 +70,7 @@
       class="btn btn-primary"
       @onclick="submitHandler"
     >
-      Save changes
+      Create Assignment
     </button>
   </Footer>
 </Modal>

Management.Web/Shared/Module/NewQuiz.razor

@@ -0,0 +1,66 @@
+@using Management.Web.Shared.Components
+
+@inject CoursePlanner planner
+@code {
+
+  [Parameter]
+  [EditorRequired]
+  public LocalModule Module { get; set; } = default!;
+
+  [Required]
+  [StringLength(50, ErrorMessage = "Name too long (50 character limit).")]
+  private string Name { get; set; } = "";
+
+  private Modal? modal { get; set; } = null;
+
+  private void submitHandler()
+  {
+    Console.WriteLine("new quiz");
+    var newQuiz = new LocalQuiz
+    {
+      Id = Guid.NewGuid().ToString(),
+      Name=Name,
+    };
+    if(planner.LocalCourse != null)
+    {
+      var newModules = planner.LocalCourse.Modules.Select(m => 
+        m.Name != Module.Name 
+          ? m 
+          : Module with 
+          {
+            Quizzes=Module.Quizzes.Append(newQuiz)
+          }
+        );
+      planner.LocalCourse = planner.LocalCourse with 
+      {
+        Modules=newModules
+      };
+    }
+    modal?.Hide();
+  }
+}
+
+<button
+  class="btn btn-outline-secondary"
+  @onclick="() => modal?.Show()"
+>
+  + Quiz
+</button>
+
+<Modal @ref="modal">
+  <Title>New Quiz</Title>
+  <Body>
+    <form @onsubmit:preventDefault="true" @onsubmit="submitHandler">
+      <label for="Assignment Name">Name</label>
+      <input id="moduleName" class="form-control" @bind="Name" />
+    </form>
+  </Body>
+  <Footer>
+    <button
+      class="btn btn-primary"
+      @onclick="submitHandler"
+    >
+      CreateQuiz
+    </button>
+  </Footer>
+</Modal>