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using System; |
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using System.Globalization; |
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namespace Sevomin.Models.Helpers |
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{ |
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public class DateAssist |
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{ |
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public class FromToDate |
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{ |
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public DateTime Start; |
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public DateTime End; |
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public string startShamsi; |
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public string endShamsi; |
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} |
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/// <summary>
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/// None Zero-Based month number
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/// </summary>
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/// <param name="monthNumber"></param>
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/// <returns></returns>
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public static string GetPersianMonthName(int monthNumber) |
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{ |
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switch (monthNumber) |
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{ |
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case 1: |
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return "فروردین"; |
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case 2: |
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return "اردیبهشت"; |
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case 3: |
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return "خرداد"; |
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case 4: |
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return "تیر"; |
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case 5: |
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return "مرداد"; |
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case 6: |
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return "شهریور"; |
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case 7: |
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return "مهر"; |
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case 8: |
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return "آبان"; |
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case 9: |
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return "آذر"; |
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case 10: |
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return "دی"; |
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case 11: |
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return "بهمن"; |
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case 12: |
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return "اسفند"; |
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default: |
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throw new ArgumentException("شماره ماه باید بین 1 تا 12 باشد.", "monthNumber", null); |
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} |
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} |
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public static string GetFullPersianDate(DateTime value) |
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{ |
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PersianCalendar pc = new PersianCalendar(); |
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return string.Format("{0} {1} {2}", |
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pc.GetDayOfMonth(value), GetPersianMonthName(pc.GetMonth(value)), |
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pc.GetYear(value)); |
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} |
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public static DateTime? ValidateAndSetToMiladi(string value, DateTime? defaultValue = null) |
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{ |
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string vd = ValidateDate(value); |
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if (string.IsNullOrEmpty(vd)) |
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return defaultValue; |
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return ToMiladi(vd); |
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} |
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public static DateTime ToMiladi(string value) |
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{ |
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if (value == "" || value == null) |
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return DateTime.MinValue; |
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PersianCalendar pc = new PersianCalendar(); |
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DateTime mil; |
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mil = pc.ToDateTime(int.Parse(value.Substring(0, 4)), |
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int.Parse(value.Substring(5, 2)), int.Parse(value.Substring(8, 2)) |
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, 0, 0, 0, 0); |
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return mil; |
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} |
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public static string ToShamsi(DateTime value) |
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{ |
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if (value == DateTime.MinValue) |
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return string.Empty; |
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PersianCalendar pc = new PersianCalendar(); |
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return string.Format("{0:0000}/{1:00}/{2:00}", |
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pc.GetYear(value), pc.GetMonth(value), |
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pc.GetDayOfMonth(value)); |
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} |
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public static string ValidateDate(string value) |
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{ |
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if (value == null) |
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return ""; |
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int offset = 0; |
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if (value.Length == 8) //13801010
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{ |
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value = value.Insert(4, "/"); |
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value = value.Insert(7, "/"); |
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} |
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if (int.TryParse(value, out offset)) |
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{ |
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if (offset > 500 || offset < -500) |
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return ""; |
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return ToShamsi(DateTime.Today.AddDays(offset)); |
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} |
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else |
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{ |
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try |
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{ |
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DateTime val = ToMiladi(value); |
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if (val < DateTime.Today.AddYears(-5) || |
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val > DateTime.Today.AddYears(10)) |
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return ""; |
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return value; |
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} |
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catch (Exception) |
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{ |
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return ""; |
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} |
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} |
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} |
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public static FromToDate GetThisMonth() |
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{ |
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PersianCalendar pc = new PersianCalendar(); |
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DateTime value = DateTime.Today; |
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return GetMonth(pc.GetMonth(value)); |
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} |
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/// <summary>
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/// returns date of 1st and last day of month as a
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/// FromToDate object
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/// </summary>
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/// <param name="monthIndex">Index of Mounth 1-based</param>
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/// <returns>FromToDate object</returns>
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public static FromToDate GetMonth(int monthIndex) |
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{ |
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PersianCalendar pc = new PersianCalendar(); |
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FromToDate ftd = new FromToDate(); |
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DateTime value = DateTime.Today; |
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string startShamsi = string.Format("{0:0000}/{1:00}/{2:00}", |
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pc.GetYear(value), monthIndex, |
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1); |
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string endShamsi = string.Format("{0:0000}/{1:00}/{2:00}", |
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pc.GetYear(value), monthIndex, |
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pc.GetDaysInMonth(pc.GetYear(value), monthIndex)); |
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ftd.Start = ToMiladi(startShamsi); |
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ftd.End = ToMiladi(endShamsi); |
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ftd.startShamsi = startShamsi; |
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ftd.endShamsi = endShamsi; |
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return ftd; |
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} |
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public static String NextMonth(string currentDate, int dayOfMonth) |
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{ |
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return NextMonth(currentDate, dayOfMonth, 1); |
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} |
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public static String NextMonth(string currentDate, int dayOfMonth, int monthInterval) |
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{ |
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try |
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{ |
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PersianCalendar pc = new PersianCalendar(); |
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int year = int.Parse(currentDate.Substring(0, 4)); |
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int month = int.Parse(currentDate.Substring(5, 2)); |
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month += monthInterval; |
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if (month > 12) |
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{ |
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year += 1; |
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month = 1; |
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} |
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if (pc.GetDaysInMonth(year, month) < dayOfMonth) |
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dayOfMonth = pc.GetDaysInMonth(year, month); |
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return string.Format("{0:0000}/{1:00}/{2:00}", year, month, dayOfMonth); |
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} |
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catch (Exception) |
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{ |
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return ""; |
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} |
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} |
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public static string ToPersianNumbers(string number) |
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{ |
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char[] temp = new char[number.Length]; |
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for (int i = 0; i < number.Length; i++) |
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{ |
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char value = number[i]; |
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if (value >= 48 && value <= 57) |
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temp[i] = (char)(value + 1728); |
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else |
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temp[i] = value; |
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} |
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return new String(temp); |
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} |
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public static int GetJalaliWeekNumber(DateTime gregorianDate) |
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{ |
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PersianCalendar pc = new PersianCalendar(); |
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DateTime gregYearStart = pc.ToDateTime(pc.GetYear(gregorianDate), 1, 1, 0, 0, 0, 0); |
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int diff = (gregorianDate - gregYearStart).Days; |
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int wd = ((int)pc.GetDayOfWeek(gregorianDate) + 2) % 7; |
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return (diff - wd + 10) / 7; |
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} |
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} |
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} |