blazor-saas-hrm/Features/Payroll/Payrolls/Cqrs/GetPayrollProcessByIdHandler.cs

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

namespace Indotalent.Features.Payroll.Payrolls.Cqrs;

public class GetPayrollProcessByIdRequest
{
    public string? Id { get; set; }
}

public class GetPayrollProcessByIdResponse
{
    public string? Id { get; set; }
    public string? AutoNumber { get; set; }
    public string? PeriodName { get; set; }
    public DateTime FromDate { get; set; }
    public DateTime ToDate { get; set; }
    public int TotalEmployees { get; set; }
    public decimal TotalBasicSalary { get; set; }
    public decimal TotalIncome { get; set; }
    public decimal TotalDeduction { get; set; }
    public decimal TotalGross { get; set; }
    public decimal TotalTakeHomePay { get; set; }
    public string? Status { get; set; }
    public string? ProcessedBy { get; set; }
    public DateTime ProcessedAt { get; set; }
    public string? Description { get; set; }
}

public record GetPayrollProcessByIdQuery(GetPayrollProcessByIdRequest Data) : IRequest<GetPayrollProcessByIdResponse>;

public class GetPayrollProcessByIdHandler : IRequestHandler<GetPayrollProcessByIdQuery, GetPayrollProcessByIdResponse>
{
    private readonly AppDbContext _context;

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

    public async Task<GetPayrollProcessByIdResponse> Handle(GetPayrollProcessByIdQuery request, CancellationToken cancellationToken)
    {
        var entity = await _context.PayrollProcess
            .FirstOrDefaultAsync(x => x.Id == request.Data.Id, cancellationToken);

        if (entity == null)
        {
            throw new NotFoundException("Payroll Process", request.Data.Id ?? string.Empty);
        }

        var response = new GetPayrollProcessByIdResponse
        {
            Id = entity.Id,
            AutoNumber = entity.AutoNumber,
            PeriodName = entity.PeriodName,
            FromDate = entity.FromDate,
            ToDate = entity.ToDate,
            TotalEmployees = entity.TotalEmployees,
            TotalBasicSalary = entity.TotalBasicSalary,
            TotalIncome = entity.TotalIncome,
            TotalDeduction = entity.TotalDeduction,
            TotalGross = entity.TotalGross,
            TotalTakeHomePay = entity.TotalTakeHomePay,
            Status = entity.Status,
            ProcessedBy = entity.ProcessedBy,
            ProcessedAt = entity.ProcessedAt,
            Description = entity.Description
        };

        return response;
    }
}