blazor-saas-hrm/Features/Organization/Employee/Cqrs/GetEmployeeDeductionListByEmployeeIdHandler.cs

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

namespace Indotalent.Features.Organization.Employee.Cqrs;

public class GetEmployeeDeductionListResponse
{
    public string? Id { get; set; }
    public string? DeductionId { get; set; }
    public string? EmployeeCode { get; set; }
    public string? DeductionName { get; set; }
    public string? DeductionCategory { get; set; }
    public decimal Amount { get; set; }
    public string? Description { get; set; }
    public bool IsActive { get; set; }
}

public record GetEmployeeDeductionListByEmployeeIdQuery(string EmployeeId) : IRequest<List<GetEmployeeDeductionListResponse>>;

public class GetEmployeeDeductionListByEmployeeIdHandler : IRequestHandler<GetEmployeeDeductionListByEmployeeIdQuery, List<GetEmployeeDeductionListResponse>>
{
    private readonly AppDbContext _context;
    public GetEmployeeDeductionListByEmployeeIdHandler(AppDbContext context) => _context = context;

    public async Task<List<GetEmployeeDeductionListResponse>> Handle(GetEmployeeDeductionListByEmployeeIdQuery request, CancellationToken cancellationToken)
    {
        var data = await _context.EmployeeDeduction
            .Where(x => x.EmployeeId == request.EmployeeId)
            .Select(x => new GetEmployeeDeductionListResponse
            {
                Id = x.Id,
                DeductionId = x.DeductionId,
                EmployeeCode = x.Employee != null ? x.Employee.Code : string.Empty,
                DeductionName = x.Deduction != null ? x.Deduction.Name : string.Empty,
                DeductionCategory = x.Deduction != null ? x.Deduction.Category : string.Empty,
                Amount = x.Amount,
                Description = x.Description,
                IsActive = x.IsActive
            })
            .OrderBy(x => x.DeductionName)
            .ToListAsync(cancellationToken);

        return data;
    }
}