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

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

namespace Indotalent.Features.Thirdparty.PatientContact.Cqrs;

public class GetPatientContactListResponse
{
    public string? Id { get; set; }
    public string? AutoNumber { get; set; }
    public string? Name { get; set; }
    public string? Title { get; set; }
    public string? PhoneNumber { get; set; }
    public string? EmailAddress { get; set; }
    public string? PatientName { get; set; }
}

public record GetPatientContactListQuery() : IRequest<List<GetPatientContactListResponse>>;

public class GetPatientContactListHandler : IRequestHandler<GetPatientContactListQuery, List<GetPatientContactListResponse>>
{
    private readonly AppDbContext _context;

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

    public async Task<List<GetPatientContactListResponse>> Handle(GetPatientContactListQuery request, CancellationToken cancellationToken)
    {
        return await _context.PatientContact
            .AsNoTracking()
            .Include(x => x.Patient)
            .OrderBy(x => x.Name)
            .Select(x => new GetPatientContactListResponse
            {
                Id = x.Id,
                AutoNumber = x.AutoNumber,
                Name = x.Name,
                Title = x.Title,
                PhoneNumber = x.PhoneNumber,
                EmailAddress = x.EmailAddress,
                PatientName = x.Patient != null ? x.Patient.Name : string.Empty
            })
            .ToListAsync(cancellationToken);
    }
}