can select course from existing file

Management.Web/Shared/Semester/Day.razor

@@ -1,15 +1,14 @@
 @inject AssignmentDragContainer dragContainer
 @inject CoursePlanner configurationManagement
 
+@inject CoursePlanner planner
+
 @code 
 {
   [Parameter, EditorRequired]
   public DateTime? date { get; set; } =
   default!; 
   
-  [Parameter, EditorRequired]
-  public SemesterPlanner Semester { get; set; } = default!;
-
   private bool isWeekDay {
     get => date?.DayOfWeek != null;
   }
@@ -27,9 +26,9 @@
         DayOfWeek? weekDay = date?.DayOfWeek;
         DayOfWeek notNullDay = weekDay ?? default;
         var dayInSemester = 
-          Semester.Days.Contains(notNullDay) 
-          && date < Semester.LastDay 
-          && date > Semester.FirstDay;
+          planner.LocalCourse.DaysOfWeek.Contains(notNullDay) 
+          && date < planner.LocalCourse.EndDate 
+          && date > planner.LocalCourse.StartDate;
 
         var totalClasses = dayInSemester ? $"bg-light {baseClasses}" : baseClasses;
 

Management.Web/Shared/Semester/MonthDetail.razor

@@ -1,11 +1,12 @@
-@using System.Linq;
+@using System.Linq
+
+@inject CoursePlanner planner
+
 @code
 {
   [Parameter, EditorRequired]
   public CalendarMonth Month { get; set; } = default!;
 
-  [Parameter, EditorRequired]
-  public SemesterPlanner Semester { get; set; } = default!;
   public DayOfWeek[] WeekDaysList { get => (DayOfWeek[])Enum.GetValues(typeof(DayOfWeek)); }
 
   public string MonthName { get => Month?.DaysByWeek.First().FirstOrDefault(d => d != null)?.ToString("MMMM") ?? ""; }
@@ -18,7 +19,7 @@
 <div class="row text-center fw-bold">
   @foreach (DayOfWeek day in WeekDaysList)
   {
-    <div class="@(Semester.Days.Contains(day) ? "col" : "col text-secondary")">@day</div>
+    <div class="@(planner.LocalCourse.DaysOfWeek.Contains(day) ? "col" : "col text-secondary")">@day</div>
   }
 </div>
 
@@ -41,7 +42,7 @@
       {
         <div class="@baseClasses"></div>
       } *@
-      <Day date="day" Semester="Semester"></Day>
+      <Day date="day"></Day>
     }
   </div>
 }