Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.DB/ViewModels/RolesViewVM.cs


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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.BL.Entities;
using Tango.MachineStudio.Common.Notifications;
using Tango.MachineStudio.DB.ViewModels;

namespace Tango.MachineStudio.DB.ViewModels
{
    public class RolesViewVM : DbTableViewModel<Role>
    {
        public RolesViewVM(INotificationProvider notification) : base(notification)
        {
            SelectedPermissions = new ObservableCollection<MultiComboVM<Permission>>();
        }

        private ObservableCollection<MultiComboVM<Permission>> _selectedPermissions;
        public ObservableCollection<MultiComboVM<Permission>> SelectedPermissions
        {
            get { return _selectedPermissions; }
            set { _selectedPermissions = value; RaisePropertyChangedAuto(); }
        }

        protected override void OnEdit()
        {
            SelectedPermissions = Adapter.Permissions.Select(x => new MultiComboVM<Permission>(x, () => RaisePropertyChanged(nameof(SelectedPermissions)))).ToObservableCollection();

            foreach (var permission in SelectedPermissions)
            {
                if (SelectedEntity.RolesPermissions.ToList().Exists(x => x.Permission == permission.Entity))
                {
                    permission.IsSelected = true;
                }
            }

            base.OnEdit();
        }

        protected override void OnAdd()
        {
            SelectedPermissions = Adapter.Permissions.Select(x => new MultiComboVM<Permission>(x, () => RaisePropertyChanged(nameof(SelectedPermissions)))).ToObservableCollection();

            base.OnAdd();
        }

        protected override void OnBeforeEntitySave(DialogOpenMode mode, Role role)
        {
            base.OnBeforeEntitySave(mode, role);

            Adapter.Context.RolesPermissions.RemoveRange(role.RolesPermissions);

            foreach (var permission in SelectedPermissions)
            {
                if (permission.IsSelected)
                {
                    role.RolesPermissions.Add(new RolesPermission()
                    {
                        Permission = permission.Entity,
                        Role = role,
                        PermissionGuid = permission.Entity.Guid,
                        RoleGuid = role.Guid
                    });
                }
            }
        }
    }
}