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

namespace Divisions.Handlers
{
	public class GetDivisionsQueryHandler : IRequestHandler<GetDivisionsQuery, PagedList<Division>>
	{
		private readonly DivisionsContext _dbContext;

		public GetDivisionsQueryHandler(DivisionsContext dbContext)
		{
			_dbContext = dbContext ?? throw new ArgumentNullException(nameof(dbContext));
		}

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