using System;
using MediatR;
using Microsoft.EntityFrameworkCore;
using Sports.DbContexts;
using Sports.Entities;
using Sports.Helpers;
using Sports.Queries;

namespace Sports.Handlers
{
	public class GetSportsQueryHandler : IRequestHandler<GetSportsQuery, PagedList<Sport>>
	{
		private readonly SportsContext _dbContext;

		public GetSportsQueryHandler(SportsContext dbContext)
		{
			_dbContext = dbContext ?? throw new ArgumentNullException(nameof(dbContext));
		}

		public async Task<PagedList<Sport>> Handle(GetSportsQuery request, CancellationToken cancellationToken)
		{
			return PagedList<Sport>.ToPagedList(await _dbContext.Sports.ToListAsync(), request.PageNumber, request.PageSize);
		}
    }
}