blazor-cms/Features/Thirdparty/PatientContact/Cqrs/CreatePatientContactHandler.cs

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

namespace Indotalent.Features.Thirdparty.PatientContact.Cqrs;

public class CreatePatientContactRequest
{
    public string? Name { get; set; }
    public string? Title { get; set; }
    public string? PhoneNumber { get; set; }
    public string? EmailAddress { get; set; }
    public string? Description { get; set; }
    public string? PatientId { get; set; }
}

public class CreatePatientContactResponse
{
    public string? Id { get; set; }
    public string? Name { get; set; }
}

public record CreatePatientContactCommand(CreatePatientContactRequest Data) : IRequest<CreatePatientContactResponse>;

public class CreatePatientContactHandler : IRequestHandler<CreatePatientContactCommand, CreatePatientContactResponse>
{
    private readonly AppDbContext _context;

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

    public async Task<CreatePatientContactResponse> Handle(CreatePatientContactCommand request, CancellationToken cancellationToken)
    {
        var entityName = nameof(Data.Entities.PatientContact);

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

        var entity = new Data.Entities.PatientContact
        {
            AutoNumber = autoNo,
            Name = request.Data.Name,
            Title = request.Data.Title,
            PhoneNumber = request.Data.PhoneNumber,
            EmailAddress = request.Data.EmailAddress,
            Description = request.Data.Description,
            PatientId = request.Data.PatientId
        };

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

        return new CreatePatientContactResponse
        {
            Id = entity.Id,
            Name = entity.Name
        };
    }
}