Restructured query repositries to move ef logic from handlers

BrightGlimmer.Service/Handlers/QueryHandlers/GetStudentQueryHandler.cs

@@ -0,0 +1,24 @@
+using BrightGlimmer.Data.Interfaces;
+using BrightGlimmer.Domain;
+using BrightGlimmer.Service.Queries;
+using MediatR;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace BrightGlimmer.Service.Handlers.QueryHandlers
+{
+    public class GetStudentQueryHandler : IRequestHandler<GetStudentQuery, Student>
+    {
+        private readonly IQueryRepository<Student> repository;
+
+        public GetStudentQueryHandler(IQueryRepository<Student> repository)
+        {
+            this.repository = repository;
+        }
+
+        public async Task<Student> Handle(GetStudentQuery request, CancellationToken cancellationToken)
+        {
+            return await repository.GetAsync(request.Id);
+        }
+    }
+}