DaSaSo/DaSaSo.ViewModel/BuildingsiteListViewModel.cs

using DaSaSo.Domain.Model;
using DaSaSo.Domain.Services;
using DaSaSo.EntityFramework.Services;
using DaSaSo.ViewModel.Interface;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DaSaSo.ViewModel
{
    public class BuildingsiteListViewModel: BaseViewModel
    {
        public ObservableCollection<Buildingsite> Buildingsites { get; }

        private readonly IActualProject _actualProject;
        private readonly IRenavigator _renavigator;
        private readonly BuildingsiteDataService _buildingSiteDataService;

        public BuildingsiteListViewModel(IDataService<Buildingsite> buildingSiteDataService, IActualProject actualProject, IRenavigator renavigator)
        {
            _actualProject = actualProject;
            _renavigator = renavigator;
            _buildingSiteDataService = buildingSiteDataService as BuildingsiteDataService;
            Buildingsites = new ObservableCollection<Buildingsite>();

            LoadBuildingsites();
        }

        private async void LoadBuildingsites()
        {
            var buildingsites = await _buildingSiteDataService.GetAllByProjekt(_actualProject.AktuellProjekt);
            InitCollection(Buildingsites, buildingsites);
        }

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