blazor-saas-hrm/Features/Organization/Department/Cqrs/GetDepartmentListHandler.cs

using Indotalent.ConfigBackEnd.Extensions;
using Indotalent.Infrastructure.Database;
using MediatR;
using Microsoft.EntityFrameworkCore;

namespace Indotalent.Features.Organization.Department.Cqrs;

public class GetDepartmentListResponse
{
    public string? Id { get; set; }
    public string? AutoNumber { get; set; }
    public string? CostCenter { get; set; }
    public string? Name { get; set; }
    public string? HeadOfDeptartment { get; set; }
    public string? Description { get; set; }
}

public record GetDepartmentListQuery() : IRequest<List<GetDepartmentListResponse>>;

public class GetDepartmentListHandler : IRequestHandler<GetDepartmentListQuery, List<GetDepartmentListResponse>>
{
    private readonly AppDbContext _context;

    public GetDepartmentListHandler(AppDbContext context) => _context = context;

    public async Task<List<GetDepartmentListResponse>> Handle(GetDepartmentListQuery request, CancellationToken cancellationToken)
    {
        return await _context.Department
            .AsNoTracking()
            .NotDeletedOnly()
            .OrderBy(x => x.CostCenter)
            .Select(x => new GetDepartmentListResponse
            {
                Id = x.Id,
                AutoNumber = x.AutoNumber,
                CostCenter = x.CostCenter,
                Name = x.Name,
                HeadOfDeptartment = x.HeadOfDeptartment,
                Description = x.Description,
            })
            .ToListAsync(cancellationToken);
    }
}