feat: SampleCalibration View and ViewModel

2026-04-14 22:30:26 +03:00
parent 106bc74cbb
commit 93bcc6c692
11 changed files with 1543 additions and 1310 deletions
@@ -0,0 +1,47 @@
+using System.Globalization;
+
+using Avalonia.Data.Converters;
+
+namespace GSS2.UI.Core.Converters;
+
+public class DateTimeConverter : IValueConverter
+{
+    private static readonly string[][] FORMATS =
+    {
+        ["dd", "d"],
+        ["."],
+        ["MM", "M"],
+        ["."],
+        ["yyyy", "yy"],
+        [" "],
+        ["HH", "H"],
+        [":"],
+        ["mm", "m"],
+        [":"],
+        ["ss", "s"]
+    };
+    private static readonly string[] ALL_FORMATS = FORMATS
+        .Aggregate(new List<string> { "" }, (acc, segments) =>
+            acc.SelectMany(a => segments.Select(s => a + s)).ToList())
+        .ToArray();
+
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        if (value is not DateTime dateTime)
+            return Avalonia.Data.BindingNotification.ExtractError(new FormatException($"Не удаётся распознать значение \"{value}\" как дату и время"));
+
+        return dateTime.ToLocalTime().ToString("dd.MM.yyyy HH:mm:ss");
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        if (value is not string str)
+            return Avalonia.Data.BindingNotification.ExtractError(new FormatException($"Не удаётся распознать значение \"{value}\" как дату и время"));
+
+        var success = DateTime.TryParseExact(str, ALL_FORMATS, CultureInfo.InvariantCulture, DateTimeStyles.AssumeLocal, out var dateTime);
+        if (!success)
+            return Avalonia.Data.BindingNotification.ExtractError(new FormatException($"Не удаётся распознать строку \"{str}\" как дату и время"));
+
+        return dateTime.ToUniversalTime();
+    }
+}