DaSaSo/DaSaSo.ViewModel/ClientListViewModel.cs

using DaSaSo.Domain.Model;
using DaSaSo.Domain.Services;
using DaSaSo.ViewModel.Commands;
using DaSaSo.ViewModel.Enums;
using DaSaSo.ViewModel.Interface;
using Microsoft.Toolkit.Mvvm.Input;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Input;

namespace DaSaSo.ViewModel
{
    public class ClientListViewModel : BaseViewModel
    {
        public ObservableCollection<Client> Clients { get; }
        private Client? _selectedClient;
        private IDataService<Client> _dataService;
        private readonly IRenavigator renavigator;
        IEnumerable<Client>? result;
        bool _isLoading = true;

        public ICommand SelectCommand { get; set; }
        public ICommand EditCommand { get; set; }
        public ICommand AddNewClientCommand { get; set; }

        public Client SelectedClient
        {
            get => _selectedClient;
            set
            {
                if(_selectedClient != value)
                {
                    _selectedClient = value;
                    
                    OnPropertyChanged();
                    OnPropertyChanged(nameof(CanSelectClient));

                }
            }
        }

        public bool IsLoading
        {
            get => _isLoading;
            set
            {
                if(_isLoading != value)
                {
                    _isLoading = value;
                    OnPropertyChanged();
                }
            }
        }

        public bool CanSelectClient => _selectedClient != null;

        public ClientListViewModel(IDataService<Client> dataService, IActualProject actualProject, IRenavigator renavigator)
        {
            Clients = new ObservableCollection<Client>();
            _dataService = dataService;
            this.renavigator = renavigator;
            LoadClient();
            SelectCommand = new SelectClientCommand(actualProject, this); //= new RelayCommand(SelectClient, () => SelectedClient != null);
            EditCommand = new EditClientCommand(_dataService,actualProject,renavigator,this);
            AddNewClientCommand = new AddClientCommand(_dataService, actualProject, renavigator, this);

        }


        public async void LoadClient()
        {
            IsLoading = true;
            var clients = await _dataService.GetAll();
            //
            InitCollection(Clients, clients);

            IsLoading = false;
        }

        private void InitCollection(ObservableCollection<Client> target, IEnumerable<Client> source)
        {
            target.Clear();
            foreach (var i in source)
                target.Add(i);
        }

    }
}