BeWoPlaner/BeWo/ViewModel/WohneinheitBelegungVM.cs

using BS.Shared;
using BS.Shared.DataContracts;
using BS.Shared.DataContracts.Compact;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace BeWo.ViewModel
{
    public class WohneinheitBelegungVM : AbstractDCMapperVM<WohneinheitBelegungDC>
    {
        private WohneinheitVM _Wohneinheit;

        private long? _Oid;
        private CompactCustomerDC _Customer;
        private DateTime _StartDate;
        private DateTime? _EndDate;
        private string _Kommentar;

        public bool SoftDelete { get; set; }

        public WohneinheitBelegungVM() : base(new WohneinheitBelegungDC(), true)
        {

        }
        public WohneinheitBelegungVM(WohneinheitBelegungDC dc) : base(dc, dc.Oid == null)
        {

        }

        public long? Oid => _Oid;

        public bool CanSave
            => Wohneinheit is object && Customer is object;

        public bool AllDay => true;

        public WohneinheitVM Wohneinheit
        {
            get { return _Wohneinheit; }
            set
            {
                if (!AreDifferent(Wohneinheit, value))
                    return;

                if (_Wohneinheit is object)
                    _Wohneinheit.PropertyChanged -= FirePropertyChanged;

                _Wohneinheit = value;

                if (_Wohneinheit is object)
                    _Wohneinheit.PropertyChanged += FirePropertyChanged;

                
                FirePropertyChanged(nameof(Wohneinheit));
                FirePropertyChanged(nameof(CanSave));
            }
        }

        public void SetNewWohneinheit(WohneinheitVM wh)
        {
            if (wh != null && Wohneinheit != null)
            {
                if (Wohneinheit.Oid != wh.Oid)
                {
                    StoreDirtyInformation(true, nameof(Wohneinheit));
                }
            }
            
            this.Wohneinheit = wh;
    
        }
        public CompactCustomerDC Customer
        {
            get { return _Customer; }
            set
            {
                if (!AreDifferent(Customer, value))
                    return;

                _Customer = value;
                FirePropertyChanged(nameof(Customer));
                FirePropertyChanged(nameof(CanSave));
            }
        }
        public DateTime StartDate
        {
            get { return _StartDate; }
            set
            {
                if (!AreDifferent(StartDate, value))
                    return;

                _StartDate = value;
                StoreDirtyInformation(AreDifferent(DataContract.StartDate, value), nameof(StartDate));
                FirePropertyChanged(nameof(StartDate));

                if (EndDate.HasValue && EndDate.Value < StartDate)
                {
                    EndDate = value.Date;
                }
            }
        }
        public DateTime? EndDate
        {
            get { return _EndDate; }
            set
            {
                if (!AreDifferent(EndDate, value))
                    return;

                _EndDate = value;
                StoreDirtyInformation(AreDifferent(DataContract.EndDate, value), nameof(EndDate));
                FirePropertyChanged(nameof(EndDate));
                FirePropertyChanged(nameof(EndDateDisplay));

                if (value.HasValue && value.Value < StartDate)
                {
                    StartDate = value.Value.Date;
                }
            }
        }
        public string Kommentar
        {
            get { return _Kommentar; }
            set
            {
                if (!AreDifferent(Kommentar, value))
                    return;

                _Kommentar = value;
                StoreDirtyInformation(AreDifferent(DataContract.Kommentar, value), nameof(Kommentar));
                FirePropertyChanged(nameof(Kommentar));
            }
        }

        public DateTime EndDateDisplay => EndDate ?? new DateTime(DateTime.MaxValue.Year, 1, 1);
        public WohneinheitBelegungVM ViewModel => this;

        public override bool Equals(object obj)
        {
            return Equals(obj as WohneinheitBelegungVM);
        }

        public bool Equals(WohneinheitBelegungVM other)
        {
            var equ = other != null &&
                    Oid == other.Oid &&
                   Wohneinheit == other.Wohneinheit &&
                   StartDate == other.StartDate &&
                   EndDate == other.EndDate &&
                   Kommentar == other.Kommentar;

            if (!equ)
                return false;

            if (Customer == null && other.Customer == null)
                return true;

            if (Customer == null && other.Customer != null)
                return false;

            return Customer.Equals(other.Customer);
        }

        protected override void InitByDataContract(WohneinheitBelegungDC pDataContract)
        {
            _Oid = pDataContract.Oid;
            _Customer = pDataContract.Customer;
            _EndDate = pDataContract.EndDate;
            _Kommentar = pDataContract.Kommentar;
            _StartDate = pDataContract.StartDate;

            if (pDataContract.Wohneinheit != null)
            {
                _Wohneinheit = new WohneinheitVM(pDataContract.Wohneinheit);
            }
        }
        protected override WohneinheitBelegungDC MapToDataContract(WohneinheitBelegungDC pDataContract, bool doCommit)
        {
            pDataContract.Oid = _Oid;
            pDataContract.Customer = Customer;
            pDataContract.EndDate = EndDate;
            pDataContract.Kommentar = Kommentar;
            pDataContract.StartDate = StartDate;

            return pDataContract;
        }
    }
}