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213 lines
7.0 KiB
213 lines
7.0 KiB
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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}
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