80 lines
2.5 KiB
C#
80 lines
2.5 KiB
C#
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using data.RemoteData.RemoteDataBase.DAO;
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using domain.UseCase;
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using DynamicData;
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using ReactiveUI;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Linq;
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using System.Reactive.Linq;
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namespace Presence.Desktop.ViewModels
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{
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public class GroupViewModel : ViewModelBase, IRoutableViewModel
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{
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private readonly List<GroupDao> _GroupDaosDataSource = new List<GroupDao>();
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private ObservableCollection<GroupDao> _groups;
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public ObservableCollection<GroupDao> Groups => _groups;
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public GroupDao? SelectedGroupItem {
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get => _selectedGroupItem;
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set => this.RaiseAndSetIfChanged(ref _selectedGroupItem, value); }
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private GroupDao? _selectedGroupItem;
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private GroupUseCase _groupUseCase;
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public ObservableCollection<UserDao> Users { get => _users;}
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public ObservableCollection<UserDao> _users;
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public GroupViewModel(GroupUseCase groupUseCase)
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{
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_groupUseCase = groupUseCase;
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_users = new ObservableCollection<UserDao>();
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RefreshGroups();
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this.WhenAnyValue(vm => vm.SelectedGroupItem)
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.Subscribe(_ =>
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{ RefreshGroups();
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SetUsers();
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});
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}
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private void SetUsers()
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{
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if(SelectedGroupItem == null) return;
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Users.Clear();
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var group = _groups.First(it => it.Id == SelectedGroupItem.Id);
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if(group.Users == null) return;
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foreach (var item in group.Users)
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{
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Users.Add(item);
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}
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}
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private void RefreshGroups()
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{
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_GroupDaosDataSource.Clear();
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foreach (var item in _groupUseCase.GetGroupsWithStudents())
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{
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GroupDao GroupDao = new GroupDao
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{
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Id = item.Id,
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Name = item.Name,
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Users = item.Users?.Select(user => new UserDao
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{
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FIO = user.FIO,
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Guid = user.Guid,
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Group = new GroupDao { Id = item.Id, Name = item.Name }
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}
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).ToList()
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};
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_GroupDaosDataSource.Add(GroupDao);
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}
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_groups = new ObservableCollection<GroupDao>(_GroupDaosDataSource);
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}
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public string? UrlPathSegment { get; }
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public IScreen HostScreen { get; }
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}
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}
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