asm: add NewYear setting

src/ServerManager.Common/Converters/DateTimeToStringConverter.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Globalization;
+using System.Windows.Data;
+using System.Windows.Markup;
+
+namespace ServerManagerTool.Common.Converters
+{
+    public class DateTimeToStringConverter : MarkupExtension, IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            DateTime datetime = (DateTime)value;
+            if (datetime == DateTime.MinValue)
+                return "";
+
+            return datetime.ToString("yyyy.MM.dd HH:mm:ss");
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value is null || value.ToString() == string.Empty)
+                return DateTime.MinValue;
+
+            if (!DateTime.TryParse(value.ToString(), out DateTime datetime))
+                return DateTime.MinValue;
+
+            return datetime;
+        }
+
+        public override object ProvideValue(IServiceProvider serviceProvider)
+        {
+            return this;
+        }
+    }
+}

src/ServerManager.Common/ValidationRules/DateTimeValidationRules.cs

@@ -0,0 +1,40 @@
+using ServerManagerTool.Common.Extensions;
+using System;
+using System.Windows.Controls;
+
+namespace ServerManagerTool.Common.ValidationRules
+{
+    public class DateTimeValidationRule : ValidationRule
+    {
+        private static readonly DateTime MinUnixDate = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
+        private static readonly DateTime MaxUnixDate = new DateTime(2038, 1, 19, 3, 14, 7, 0, DateTimeKind.Utc);
+
+        public override ValidationResult Validate(object value, System.Globalization.CultureInfo cultureInfo)
+        {
+            string strDateTime = (string)value;
+
+            if (strDateTime.IsEmpty())
+            {
+                return new ValidationResult(true, null);
+            }
+
+            if (!DateTime.TryParse(strDateTime, out DateTime datetime))
+            {
+                return new ValidationResult(false, "Invalid Date. Date must be formatted as yyyy.mm.dd hh:mm:ss");
+            }
+
+            if (datetime.ToUniversalTime() <= MinUnixDate)
+            {
+                return new ValidationResult(false, $"Invalid Date. The Date must be after {MinUnixDate.ToLocalTime().ToString("yyyy.MM.dd HH:mm:ss")}");
+            }
+
+            if (datetime.ToUniversalTime() >= MaxUnixDate)
+            {
+                return new ValidationResult(false, $"Invalid Date. The Date must be before {MaxUnixDate.ToLocalTime().ToString("yyyy.MM.dd HH:mm:ss")}");
+            }
+
+
+            return new ValidationResult(true, null);
+        }
+    }
+}