초기커밋

UGQDataAccess/DateRange.cs

@@ -0,0 +1,97 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace UGQDataAccess;
+
+
+public struct DateRange
+{
+    public DateTime Start { get; set; }
+    public DateTime End { get; set; }
+}
+
+public static class DataRangeHelper
+{
+    public static DateRange ThisYear(DateTime date)
+    {
+        DateRange range = new DateRange();
+
+        range.Start = new DateTime(date.Year, 1, 1);
+        range.End = range.Start.AddYears(1).AddSeconds(-1);
+
+        return range;
+    }
+
+    public static DateRange LastYear(DateTime date)
+    {
+        DateRange range = new DateRange();
+
+        range.Start = new DateTime(date.Year - 1, 1, 1);
+        range.End = range.Start.AddYears(1).AddSeconds(-1);
+
+        return range;
+    }
+
+    public static DateRange ThisMonth(DateTime date)
+    {
+        DateRange range = new DateRange();
+
+        range.Start = new DateTime(date.Year, date.Month, 1);
+        range.End = range.Start.AddMonths(1).AddSeconds(-1);
+
+        return range;
+    }
+
+    public static DateRange LastMonth(DateTime date)
+    {
+        DateRange range = new DateRange();
+
+        range.Start = (new DateTime(date.Year, date.Month, 1)).AddMonths(-1);
+        range.End = range.Start.AddMonths(1).AddSeconds(-1);
+
+        return range;
+    }
+
+    public static DateRange ThisWeek(DateTime date)
+    {
+        DateRange range = new DateRange();
+
+        range.Start = date.Date.AddDays(-(int)date.DayOfWeek);
+        range.End = range.Start.AddDays(7).AddSeconds(-1);
+
+        return range;
+    }
+
+    public static DateRange LastWeek(DateTime date)
+    {
+        DateRange range = ThisWeek(date);
+
+        range.Start = range.Start.AddDays(-7);
+        range.End = range.End.AddDays(-7);
+
+        return range;
+    }
+
+    public static DateRange Today(DateTime date)
+    {
+        DateRange range = new DateRange();
+
+        range.Start = new DateTime(date.Year, date.Month, date.Day);
+        range.End = range.Start.AddDays(1).AddSeconds(-1);
+
+        return range;
+    }
+
+    public static DateRange Yesterday(DateTime date)
+    {
+        DateRange range = Today(date);
+
+        range.Start = range.Start.AddDays(-1);
+        range.End = range.End.AddDays(-1);
+
+        return range;
+    }
+}