nice refactorings

PracticeCalendar.Application/PracticeEvents/Commands/UpdatePracticeEventCommand.cs

@@ -0,0 +1,43 @@
+using Mapster;
+using MediatR;
+using PracticeCalendar.Application.PracticeEvents.Queries;
+using PracticeCalendar.Domain.Common.Interfaces;
+using PracticeCalendar.Domain.Entities;
+using PracticeCalendar.Domain.Exceptions;
+
+namespace PracticeCalendar.Application.PracticeEvents.Commands
+{
+    public record UpdatePracticeEventCommand : IRequest<PracticeEventDto>
+    {
+        public UpdatePracticeEventCommand(PracticeEventDto eventDto)
+        {
+            Event = eventDto;
+        }
+
+        public PracticeEventDto Event { get; }
+    }
+
+    public class UpdatePracticeEventCommandHandler : IRequestHandler<UpdatePracticeEventCommand, PracticeEventDto>
+    {
+        private readonly IRepository<PracticeEvent> eventsRepo;
+
+        public UpdatePracticeEventCommandHandler(IRepository<PracticeEvent> eventsRepo)
+        {
+            this.eventsRepo = eventsRepo;
+        }
+
+        public async Task<PracticeEventDto> Handle(UpdatePracticeEventCommand request, CancellationToken cancellationToken)
+        {
+            var eventModel = request.Event;
+            var practiceEvent = await eventsRepo.GetByIdAsync(eventModel.Id, cancellationToken);
+            if (practiceEvent == null)
+            {
+                throw new PracticeEventNotFoundException();
+            }
+            practiceEvent.UpdateTitleAndDescription(eventModel.Title, eventModel.Description);
+            await eventsRepo.UpdateAsync(practiceEvent, cancellationToken);
+            await eventsRepo.SaveChangesAsync(cancellationToken);
+            return practiceEvent.Adapt<PracticeEventDto>();
+        }
+    }
+}