prs/prs.mobile.new/PRS.Mobile/Modules/Meetings/Edit/MeetingEditViewModel.cs

using System;
using System.Threading.Tasks;
using Comal.Classes;
using InABox.Core;
using InABox.Mobile;

namespace PRS.Mobile
{
    public class MeetingEditViewModel : MobileViewModel<Assignment, MeetingShell>
    {
        protected override void DoLoad()
        {
            Task[] tasks = new Task[]
            {
                Task.Run(() => Attendees.Refresh(true)),
                Task.Run(() => Items.Refresh(true)),
                Task.Run(() => Kanbans.Refresh(true)),
                Task.Run(() => Documents.Refresh(true))
            };
            Task.WaitAll(tasks);
        }
        
        public MeetingAttendeeModel Attendees { get; }
        
        public MeetingItemModel Items { get; }
        
        public MeetingItemKanbanModel Kanbans { get; }
        
        public MeetingItemDocumentModel Documents { get; }
        
        public MeetingEditViewModel()
        {
            
            Attendees = new MeetingAttendeeModel(App.Data,
                () => new Filter<Assignment>(x => x.Meeting.Link.ID).IsEqualTo(Item?.MeetingID ?? CoreUtils.FullGuid)
            );
            
            Items = new MeetingItemModel(App.Data,
                () => new Filter<MeetingItem>(x => x.Meeting.ID).IsEqualTo(Item?.MeetingID ?? CoreUtils.FullGuid)
            );
            
            Kanbans = new MeetingItemKanbanModel(App.Data,
                () => new Filter<MeetingItemKanban>(x => x.Entity.Meeting.ID).IsEqualTo(Item?.MeetingID ?? CoreUtils.FullGuid)
            );    
                            
            Documents = new MeetingItemDocumentModel(App.Data,
                () => new Filter<MeetingItemDocument>(x => x.EntityLink.Meeting.ID).IsEqualTo(Item?.MeetingID ?? CoreUtils.FullGuid)
            );
            
        }
        
        public override bool IsChanged => Item == null || Item.ID == Guid.Empty || Item.IsChanged();
        
    }
}