using System;
using MediatR;
using Microsoft.EntityFrameworkCore;
using Venues.DbContexts;
using Venues.Entities;
using Venues.Queries;

namespace Venues.Handlers
{
	public class GetVenueByIdQueryHandler : IRequestHandler<GetVenueByIdQuery, Venue>
	{
		private readonly VenuesContext _dbContext;

		public GetVenueByIdQueryHandler(VenuesContext dbContext)
		{
			_dbContext = dbContext ?? throw new ArgumentNullException(nameof(dbContext));
		}

		public async Task<Venue> Handle(GetVenueByIdQuery request, CancellationToken cancellationToken)
		{
			return await _dbContext.Venues.Where(x => x.Id == request.VenueId).FirstOrDefaultAsync();
		}
	}
}