Major update

venues/Handlers/GetVenuesQueryHandler.cs

@@ -0,0 +1,26 @@
+using System;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using Venues.DbContexts;
+using Venues.Entities;
+using Venues.Helpers;
+using Venues.Queries;
+
+namespace Venues.Handlers
+{
+	public class GetVenuesQueryHandler : IRequestHandler<GetVenuesQuery, PagedList<Venue>>
+	{
+		private readonly VenuesContext _dbContext;
+
+		public GetVenuesQueryHandler(VenuesContext dbContext)
+		{
+			_dbContext = dbContext ?? throw new ArgumentNullException(nameof(dbContext));
+		}
+
+		public async Task<PagedList<Venue>> Handle(GetVenuesQuery request, CancellationToken cancellation)
+		{
+			return PagedList<Venue>.ToPagedList(await _dbContext.Venues.ToListAsync(), request.PageNumber, request.PageSize);
+		}
+	}
+}
+