DaSaSo/DaSaSo.Wpf/ViewModel/SewerObjectListViewModel.cs

using DaSaSo.Domain.DesignModel;
using DaSaSo.Domain.Model;
using DaSaSo.Domain.Services;
using DaSaSo.Domain.Services.SewerObjectService;
using DaSaSo.EntityFramework.Services;
using DaSaSo.InMemoryProvider;
using DaSaSo.Wpf.ViewModel.Commands;
using DaSaSo.Wpf.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.Wpf.ViewModel
{
    public class SewerObjectListViewModel : BaseViewModel
    {
        private readonly SewerObjectDataService _sewerObjectDataService;
        private readonly IActualProject _actualProject;
        private readonly ISewerObjectService _sewerObjectService;
        public ObservableCollection<SewerObjectsToStreet> SewerObjects { get; }
        public object Testme { get; set; }
        public ICommand EditCommand { get; set; }
        public ICommand AddCommand { get; set; }

        public SewerObjectListViewModel(IDataService<SewerObject> sewerObjectDataService, IActualProject actualProject, ISewerObjectService sewerObjectService)
        {
            SewerObjects = new ObservableCollection<SewerObjectsToStreet>();
            this._sewerObjectDataService = (sewerObjectDataService as SewerObjectDataService);
            _sewerObjectService = sewerObjectService;
            this._actualProject = actualProject;

            LoadSewerObjects();
            EditCommand = new SelectSewerObjectCommand(actualProject, this);
            AddCommand = new AddSewerObjectCommand(actualProject, sewerObjectService);

        }

        public SewerObject? GetSelectedSewer()
        {
            SewerObject? result = null;
            foreach(SewerObjectsToStreet? streetcollection in SewerObjects)
            {
                foreach(SewerObject? sewer in streetcollection.SewerObjects)
                {
                    if (sewer.IsSelected)
                    {
                        result = sewer;
                        break;
                    }
                }
                if (result != null)
                    break;
            }
            return result;
        }

        private async void LoadSewerObjects()
        {
            //BUG: Streetname can be null, programm Terminate
            IEnumerable<SewerObject>? sewerobjects = await _sewerObjectDataService.GetAllByBuildingsite(_actualProject.AktuellBaustelle);
            List<SewerObject> _sewers = sewerobjects.ToList();

            // Get all Streetnames
            IEnumerable<string>? streetnames = sewerobjects.Select(x => x.StreetName).Distinct();
            List<SewerObjectsToStreet> result = new List<SewerObjectsToStreet>();

            foreach(string streetname in streetnames)
            {
                SewerObjectsToStreet res = new SewerObjectsToStreet();
                res.Streetname = streetname;
                // Get all Objects that called in street
                res.SewerObjects = _sewers.FindAll(x => x.StreetName.Equals(streetname));

                result.Add(res);
            }
            InitCollection(SewerObjects, result);
        }

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