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src/FrontOffice.Main/Utilities/Extensions.cs

@@ -1,4 +1,5 @@
 using System.ComponentModel.DataAnnotations;
+using System.Globalization;
 using System.Net;
 using System.Reflection;
 using System.Text.RegularExpressions;
@@ -9,6 +10,38 @@ namespace FrontOffice.Main.Utilities;
 
 public static class Extensions
 {
+    public static CultureInfo GetPersianCulture()
+    {
+        var culture = new CultureInfo("fa-IR");
+        DateTimeFormatInfo formatInfo = culture.DateTimeFormat;
+        formatInfo.AbbreviatedDayNames = new[] { "ی", "د", "س", "چ", "پ", "ج", "ش" };
+        formatInfo.DayNames = new[] { "یکشنبه", "دوشنبه", "سه شنبه", "چهار شنبه", "پنجشنبه", "جمعه", "شنبه" };
+        var monthNames = new[]
+        {
+            "فروردین", "اردیبهشت", "خرداد", "تیر", "مرداد", "شهریور", "مهر", "آبان", "آذر", "دی", "بهمن",
+            "اسفند",
+            "",
+        };
+        formatInfo.AbbreviatedMonthNames =
+            formatInfo.MonthNames =
+                formatInfo.MonthGenitiveNames = formatInfo.AbbreviatedMonthGenitiveNames = monthNames;
+        formatInfo.AMDesignator = "ق.ظ";
+        formatInfo.PMDesignator = "ب.ظ";
+        formatInfo.ShortDatePattern = "yyyy/MM/dd";
+        formatInfo.LongDatePattern = "dddd, dd MMMM,yyyy";
+        formatInfo.FirstDayOfWeek = DayOfWeek.Saturday;
+        Calendar cal = new PersianCalendar();
+        FieldInfo fieldInfo = culture.GetType().GetField("calendar", BindingFlags.NonPublic | BindingFlags.Instance);
+        if (fieldInfo != null)
+            fieldInfo.SetValue(culture, cal);
+        FieldInfo info = formatInfo.GetType().GetField("calendar", BindingFlags.NonPublic | BindingFlags.Instance);
+        if (info != null)
+            info.SetValue(formatInfo, cal);
+        culture.NumberFormat.NumberDecimalSeparator = "/";
+        culture.NumberFormat.DigitSubstitution = DigitShapes.NativeNational;
+        culture.NumberFormat.NumberNegativePattern = 0;
+        return culture;
+    }
     public static string ExtractUserFriendlyMessage(this string errorMessage)
     {
         // کلیدواژه‌ای که بعد از آن بخش مورد نظر شروع می‌شود