Adding

2026-03-24 15:26:03 -05:00
parent 1e5beb292a
commit 9cc87337b8
333 changed files with 17931 additions and 0 deletions
@@ -0,0 +1,38 @@
+using System;
+using NCrontab;
+using Serilog;
+using LCU.Library.Internal.DispatcherModels.Entities;
+using LCU.Library.Internal.DispatcherModels.Enums;
+namespace LCU.Api.Internal.DispatcherSharedLib.Utilities;
+
+public static class CronHelpers
+{
+    public static void SetNextScheduledRunTime(ref Job job)
+    {
+        var isCronSchedule = !string.IsNullOrEmpty(job.CronSchedule);
+        if (isCronSchedule)
+        {
+            CrontabSchedule schedule = CrontabSchedule.Parse(job.CronSchedule);
+            job.NextRunTime = schedule.GetNextOccurrence(DateTime.Now); 
+            
+            if (job.SkipHolidays)
+            {
+                job.NextRunTime = HolidayHelpers.HandleHolidays(job.NextRunTime);
+            }
+            job.JobStatus = JobStatus.ReadyToSchedule;
+        }
+    }
+
+    public static CrontabSchedule SetCronSchedule(string cron, string cronDefault)
+    {
+        try
+        {
+            return CrontabSchedule.Parse(cron);
+        }
+        catch (Exception exception)
+        {
+            Log.Error(exception, "Failure parsing cron-tab in appsettings.");
+            return CrontabSchedule.Parse(cronDefault);
+        }
+    }
+}
@@ -0,0 +1,92 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace LCU.Api.Internal.DispatcherSharedLib.Utilities;
+
+public static class HolidayHelpers
+{
+    public static DateTime? HandleHolidays(DateTime? nextRunTime)
+    {
+        if (nextRunTime != null)
+        {
+            List<DateTime> holidays = GetHolidays(nextRunTime.Value.Year);
+            var today = Convert.ToDateTime(nextRunTime).Date;
+            var isHoliday = holidays.Where(x => today == x).Any();
+
+            if (isHoliday)
+            {
+                nextRunTime = nextRunTime.Value.AddDays(1);
+            }
+        }
+        return nextRunTime;
+    }
+
+    private static List<DateTime> GetHolidays(int year)
+    {
+        List<DateTime> holidays = new List<DateTime>
+        {
+            GetNewYearsDay(year),
+            GetMemorialDay(year),
+            GetIndependenceDay(year),
+            GetLaborDay(year),
+            GetThanksgivingDay(year),
+            GetChristmasDay(year)
+        };
+
+        return holidays;
+    }
+
+    ///<summary> New Years Day - Jan 1st </summary>
+    public static DateTime GetNewYearsDay(int year)
+    {
+        return new DateTime(year, 1, 1).Date;
+    }
+
+    ///<summary> Memorial Day - last Monday in May </summary>
+    public static DateTime GetMemorialDay(int year)
+    {
+        DateTime memorialDay = new DateTime(year, 5, 31);
+        var dayOfWeek = memorialDay.DayOfWeek;
+        while (dayOfWeek != DayOfWeek.Monday)
+        {
+            memorialDay = memorialDay.AddDays(-1);
+            dayOfWeek = memorialDay.DayOfWeek;
+        }
+        return memorialDay.Date;
+    }
+
+    ///<summary> Independence Day - July 4th </summary>
+    public static DateTime GetIndependenceDay(int year)
+    {
+        return new DateTime(year, 7, 4).Date;
+    }
+
+    ///<summary> Labor Day -- 1st Monday in September </summary>
+    public static DateTime GetLaborDay(int year)
+    {
+        DateTime laborDay = new DateTime(year, 9, 1);
+        var dayOfWeek = laborDay.DayOfWeek;
+        while (dayOfWeek != DayOfWeek.Monday)
+        {
+            laborDay = laborDay.AddDays(1);
+            dayOfWeek = laborDay.DayOfWeek;
+        }
+        return laborDay.Date;
+    }
+
+    ///<summary> Thanksgiving Day - 4th Thursday in November </summary>
+    public static DateTime GetThanksgivingDay(int year)
+    {
+        var thanksgiving = (from day in Enumerable.Range(1, 30)
+                            where new DateTime(year, 11, day).DayOfWeek == DayOfWeek.Thursday
+                            select day).ElementAt(3);
+        return new DateTime(year, 11, thanksgiving).Date;
+    }
+
+    ///<summary> Christmas Day - Dec 25th </summary>
+    public static DateTime GetChristmasDay(int year)
+    {
+        return new DateTime(year, 12, 25).Date;
+    }
+}