ViewModels/AnalisisImagenViewModel.cs

AnalisisImagenViewModel.cs

using System.Windows.Input;
using System.Threading.Tasks;
using System.Collections.ObjectModel;

using Xamarin.Forms;

using ICTalkMobileApp.Models;
using ICTalkMobileApp.Services;

namespace ICTalkMobileApp.ViewModels
{
    public class AnalisisImagenViewModel : BaseViewModel
    {
        private ObservableCollection<Analisis> imagenesSimilares;

        public ObservableCollection<Analisis> ImagenesSimilares
        {
            get => imagenesSimilares;
            set { imagenesSimilares = value; OnPropertyChanged(); }
        }

        private Analisis imagenActual;

        public Analisis ImagenActual
        {
            get => imagenActual;
            set { imagenActual = value; OnPropertyChanged(); }
        }

        private string rutaImagen;

        public string RutaImagen
        {
            get { return rutaImagen; }
            set { rutaImagen = value; OnPropertyChanged(); }
        }

        public ICommand ComandoTomarFoto { get; private set; }
        public ICommand ComandoSeleccionarFoto { get; private set; }

        public ICommand ComandoSubirImagen { get; private set; }
        public ICommand ComandoObtenerSimilares { get; private set; }

        private ServicioStorage servicioStorage;

        public AnalisisImagenViewModel()
        {
            servicioStorage = new ServicioStorage();

            ComandoTomarFoto = new Command(async () => await TomarFoto());
            ComandoSeleccionarFoto = new Command(async () => await SeleccionarFoto());

            ComandoSubirImagen = new Command(async () => await SubirImagen());
            ComandoObtenerSimilares = new Command(async () => await ObtenerSimilares());
        }

        private async Task TomarFoto()
        {
            RutaImagen = await ServicioImagen.TomarFoto();
        }

        private async Task SeleccionarFoto()
        {
            RutaImagen = await ServicioImagen.SeleccionarFoto();
        }

        private async Task SubirImagen()
        {
            await servicioStorage.SubirImagen(RutaImagen);
        }

        private async Task ObtenerSimilares()
        {
            var lista = await servicioStorage.ObtenerImagenesSimilares(RutaImagen);
            ImagenesSimilares = new ObservableCollection<Analisis>(lista);
        }
    }
}