Add Blazor WebApp and rework data handling to utilize Entity Framework

Core/Entities/StudentEventStatistics.cs

@@ -0,0 +1,32 @@
+namespace Core.Entities;
+
+public class StudentEventStatistics
+{
+    public Student Student { get; set; }
+    public List<EventDefinition> Events { get; set; } = [];
+
+    public int? TotalLevelOfEffort => Events.Sum(e => e.LevelOfEffort);
+
+    public int EventCount => Events.Count;
+
+    public bool HasRegionalEvent => Events.Any(e => e.RegionalEvent);
+
+    public bool HasOnSiteActivity => Events.Any(e => e.OnSiteActivity);
+
+    public static List<StudentEventStatistics> Generate(ICollection<Team> teams)
+    {
+        Dictionary<Student, StudentEventStatistics> statistics = [];
+
+        foreach (var team in teams)
+        {
+            foreach (var student in team.Students)
+            {
+                if (!statistics.ContainsKey(student))
+                    statistics.Add(student, new StudentEventStatistics(){Student = student});
+                statistics[student].Events.Add(team.Event);
+            }
+        }
+
+        return statistics.Values.ToList();
+    }
+}