MireaBackend/SqlData/Application/Cqrs/Group/Queries/GetGroupList/GetGroupListQueryHandler.cs

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2024-02-16 22:34:41 +03:00
using MediatR;
using Microsoft.EntityFrameworkCore;
using Mirea.Api.DataAccess.Application.Interfaces.DbContexts.Schedule;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace Mirea.Api.DataAccess.Application.Cqrs.Group.Queries.GetGroupList;
public class GetGroupListQueryHandler(IGroupDbContext dbContext) : IRequestHandler<GetGroupListQuery, GroupListVm>
{
public async Task<GroupListVm> Handle(GetGroupListQuery request, CancellationToken cancellationToken)
{
var dtos = dbContext.Groups.OrderBy(g => g.Id).Select(g => new GroupLookupDto()
{
Id = g.Id,
Name = g.Name,
FacultyId = g.FacultyId
});
if (request is { PageSize: not null, Page: not null })
dtos = dtos.Skip(request.Page.Value * request.PageSize.Value).Take(request.PageSize.Value);
var result = await dtos.ToListAsync(cancellationToken);
return new GroupListVm
{
Groups = result
};
}
}