decouple: 项目解耦合

2026-08-12 04:35:39 +08:00 · 2025-03-16 12:19:30 +08:00
parent b272bb7cbd
commit 74d80710d9
70 changed files with 493 additions and 594 deletions
--- a/CRSim.ScreenSimulator/ViewModels/Windows/ScreenViewModel.cs
+++ b/CRSim.ScreenSimulator/ViewModels/Windows/ScreenViewModel.cs
@@ -0,0 +1,128 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+using CRSim.Core.Services;
+using CRSim.Core.Models;
+using CRSim.ScreenSimulator.Models;
+using System.ComponentModel;
+
+namespace CRSim.ScreenSimulator.ViewModels
+{
+    public partial class ScreenViewModel : ObservableObject
+    {
+        private readonly ITimeService _timeService;
+        public readonly Settings _settings;
+        private readonly TaskCompletionSource<bool> _dataLoaded = new();
+        [ObservableProperty]
+        private DateTime _currentTime = new();
+        [ObservableProperty]
+        private string _text = "";
+        [ObservableProperty]
+        public int _location;
+        [ObservableProperty]
+        private Station _thisStation;
+        [ObservableProperty]
+        private string _thisPlatform;
+        [ObservableProperty]
+        private string _thisTicketCheck;
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        public List<TrainInfo> TrainInfo { get; set; } = [];
+
+        public StationType StationType = StationType.Both;
+
+        protected ScreenViewModel(ITimeService timeService, ISettingsService settingsService)
+        {
+
+            _timeService = timeService;
+            _settings = settingsService.GetSettings();
+
+            _timeService.OneSecondElapsed += OnTimeElapsed;
+            _timeService.RefreshSecondsElapsed += RefreshData;
+        }
+        public int CurrentPageIndex = 0;
+        public int ItemsPerPage;
+        public int PageCount;
+
+        public virtual void RefreshData(object? sender, EventArgs e)
+        {
+            if (CurrentPageIndex==0)
+            {
+                List<TrainInfo> itemsToRemove = [];
+                foreach(TrainInfo trainInfo in TrainInfo)
+                {
+                    if (trainInfo.DepartureTime == null)
+                    {
+                        if (trainInfo.ArrivalTime.Value.Add(_settings.StopDisplayFromArrivalDuration) < _timeService.GetDateTimeNow())
+                        {
+                            itemsToRemove.Add(trainInfo);
+                        }
+                    }
+                    else
+                    {
+                        if (trainInfo.DepartureTime.Value.Subtract(_settings.StopDisplayUntilDepartureDuration) < _timeService.GetDateTimeNow())
+                        {
+                            itemsToRemove.Add(trainInfo);
+                        }
+                    }
+                }
+                foreach (var item in itemsToRemove)
+                {
+                    TrainInfo.Remove(item);
+                }
+            }
+        }
+
+        private void OnTimeElapsed(object? sender, EventArgs e)
+        {
+            CurrentTime = _timeService.GetDateTimeNow();
+        }
+
+        public Task WaitForDataLoadAsync() => _dataLoaded.Task;
+
+        public void LoadData(Station station, string ticketCheck, string platform)
+        {
+            ThisStation = station;
+            ThisPlatform = platform;
+            ThisTicketCheck = ticketCheck;
+            var trains = station.TrainStops;
+            foreach (var trainNumber in trains)
+            {
+
+                if (trainNumber != null &&
+                    (StationType == StationType.Both ||
+                    trainNumber.StationType == StationType.Both ||
+                    StationType == trainNumber.StationType) &&
+                    (ticketCheck == string.Empty || trainNumber.TicketChecks.Contains(ticketCheck)) &&
+                    (platform == string.Empty || trainNumber.Platform == platform))
+                {
+                    var now = _timeService.GetDateTimeNow();
+                    var today = now.Date;
+
+                    DateTime? AdjustTime(TimeSpan? time) =>
+                        time.HasValue ? (today.Add(time.Value) > now ? today.Add(time.Value) : today.Add(time.Value).AddDays(1)) : null;
+
+                    TrainInfo.Add(new TrainInfo
+                    {
+                        TrainNumber = trainNumber.Number,
+                        Terminal = trainNumber.Terminal,
+                        Origin = trainNumber.Origin,
+                        ArrivalTime = AdjustTime(trainNumber.ArrivalTime),
+                        DepartureTime = AdjustTime(trainNumber.DepartureTime),
+                        TicketChecks = trainNumber.TicketChecks,
+                        WaitingArea = trainNumber.StationType == StationType.Arrival
+                            ? string.Empty
+                            : station.WaitingAreas.FirstOrDefault(x => x.TicketChecks.Intersect(trainNumber.TicketChecks).Any())?.Name ?? string.Empty,
+                        Platform = trainNumber.Platform,
+                        Length = trainNumber.Length,
+                        Landmark = trainNumber.Landmark,
+                        State = TimeSpan.Zero
+                    });
+
+                }
+            }
+            TrainInfo = [.. TrainInfo.OrderBy(x => x.DepartureTime??x.ArrivalTime)];
+            RefreshData(null, null);
+            _dataLoaded.SetResult(true);
+        }
+
+    }
+}