Restructured query repositries to move ef logic from handlers

BrightGlimmer.Service/Handlers/QueryHandlers/GetStudentsQueryHandler.cs

@@ -0,0 +1,26 @@
+using BrightGlimmer.Data.Interfaces;
+using BrightGlimmer.Domain;
+using BrightGlimmer.Service.Queries;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace BrightGlimmer.Service.Handlers.QueryHandlers
+{
+    public class GetStudentsQueryHandler : IRequestHandler<GetStudentsQuery, IEnumerable<Student>>
+    {
+        private readonly IQueryRepository<Student> repository;
+
+        public GetStudentsQueryHandler(IQueryRepository<Student> repository)
+        {
+            this.repository = repository;
+        }
+
+        public async Task<IEnumerable<Student>> Handle(GetStudentsQuery request, CancellationToken cancellationToken)
+        {
+            return await repository.Get().ToListAsync();
+        }
+    }
+}