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chore: 重构 PlatformScreenViewModel 及新增基类

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denglihong2007
2025-05-16 23:41:35 +08:00
parent 605b1300eb
commit d002df1552
4 changed files with 84 additions and 134 deletions
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73
CRSim.ScreenSimulator/ViewModels/MetroPlatformScreenViewModel.cs Normal file
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using CommunityToolkit.Mvvm.ComponentModel;
using CRSim.Core.Models;
using CRSim.Core.Services;
using CRSim.ScreenSimulator.Models;
namespace CRSim.ScreenSimulator.ViewModels
{
public partial class MetroPlatformScreenViewModel : ObservableObject
{
public readonly ITimeService _timeService;
public readonly Settings _settings;
[ObservableProperty]
private DateTime _currentTime = new();
[ObservableProperty]
private TrainInfo _firstTrain = new();
[ObservableProperty]
private TrainInfo _secondTrain = new();
[ObservableProperty]
private string _text;
[ObservableProperty]
private Uri _video;
public List<TrainInfo> TrainInfos { get; set; } = [];
public MetroPlatformScreenViewModel(ITimeService timeService, ISettingsService settingsService)
{
_timeService = timeService;
_settings = settingsService.GetSettings();
timeService.OneSecondElapsed += RefreshDisplay;
}
private void RefreshDisplay(object? sender, EventArgs e)
{
CurrentTime = _timeService.GetDateTimeNow();
List<TrainInfo> itemsToRemove = [.. TrainInfos.Where(info => info.DepartureTime < _timeService.GetDateTimeNow())];
foreach (var item in itemsToRemove)
{
TrainInfos.Remove(item);
}
FirstTrain = TrainInfos.Count > 0 ? TrainInfos[0] : new();
SecondTrain = TrainInfos.Count > 1 ? TrainInfos[1] : new();
OnPropertyChanged(nameof(FirstTrain));
OnPropertyChanged(nameof(SecondTrain));
}
public void LoadData(Station station, string _ticketCheck, string platform)
{
var trains = station.TrainStops;
foreach (var trainNumber in trains)
{
if (trainNumber != null && trainNumber.DepartureTime != null && trainNumber.Platform == platform)
{
var now = _timeService.GetDateTimeNow();
var today = now.Date;
if (_settings.LoadTodayOnly && today.Add((trainNumber.DepartureTime ?? trainNumber.ArrivalTime)!.Value) < now)
{
continue;
}
DateTime? AdjustTime(TimeSpan? time) =>
time.HasValue ? (today.Add(time.Value) > now ? today.Add(time.Value) : today.Add(time.Value).AddDays(1)) : null;
TrainInfos.Add(new TrainInfo
{
TrainNumber = trainNumber.Number,
Terminal = trainNumber.Terminal,
ArrivalTime = AdjustTime(trainNumber.ArrivalTime),
DepartureTime = AdjustTime(trainNumber.DepartureTime),
State = TimeSpan.Zero
});
}
}
TrainInfos = [.. TrainInfos.OrderBy(x => x.ArrivalTime ?? x.DepartureTime)];
}
}
}