blazor-hrm/Features/Performance/Appraisal/Cqrs/CreateAppraisalHandler.cs

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

namespace Indotalent.Features.Performance.Appraisal.Cqrs;

public class CreateAppraisalRequest
{
    public string EmployeeId { get; set; } = string.Empty;
    public string LastRating { get; set; } = string.Empty;
    public decimal CurrentSalary { get; set; }
    public decimal IncrementPercentage { get; set; }
    public decimal NewSalary { get; set; }
    public string AppraisalType { get; set; } = string.Empty;
    public DateTime EffectiveDate { get; set; }
    public string AppraisalNote { get; set; } = string.Empty;
    public string Status { get; set; } = string.Empty;
}

public class CreateAppraisalResponse
{
    public string? Id { get; set; }
    public string? AutoNumber { get; set; }
}

public record CreateAppraisalCommand(CreateAppraisalRequest Data) : IRequest<CreateAppraisalResponse>;

public class CreateAppraisalHandler : IRequestHandler<CreateAppraisalCommand, CreateAppraisalResponse>
{
    private readonly AppDbContext _context;

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

    public async Task<CreateAppraisalResponse> Handle(CreateAppraisalCommand request, CancellationToken cancellationToken)
    {
        var entityName = nameof(Data.Entities.Appraisal);

        var autoNo = await _context.GenerateAutoNumberAsync(
            entityName: entityName,
            prefixTemplate: $"{entityName.ToShortNameConsonant(3)}/{{Year}}/",
            ct: cancellationToken
        );

        var entity = new Data.Entities.Appraisal
        {
            AutoNumber = autoNo,
            EmployeeId = request.Data.EmployeeId,
            LastRating = request.Data.LastRating,
            CurrentSalary = request.Data.CurrentSalary,
            IncrementPercentage = request.Data.IncrementPercentage,
            NewSalary = request.Data.NewSalary,
            AppraisalType = request.Data.AppraisalType,
            EffectiveDate = request.Data.EffectiveDate,
            AppraisalNote = request.Data.AppraisalNote,
            Status = request.Data.Status
        };

        _context.Appraisal.Add(entity);
        await _context.SaveChangesAsync(cancellationToken);

        return new CreateAppraisalResponse
        {
            Id = entity.Id,
            AutoNumber = entity.AutoNumber
        };
    }
}