feat: 시간 변환 유틸 클래스 생성

KT-Beak-Ho · Dec 9, 2023 · e3223f4 · e3223f4
1 parent 0869c7a
commit e3223f4
Showing 1 changed file with 22 additions and 0 deletions.
diff --git a/src/main/java/jikgong/global/utils/TimeTransfer.java b/src/main/java/jikgong/global/utils/TimeTransfer.java
@@ -0,0 +1,22 @@
+package jikgong.global.utils;
+
+import java.time.LocalDateTime;
+import java.time.YearMonth;
+
+public class TimeTransfer {
+    public static LocalDateTime getFirstDayOfMonth(LocalDateTime localDateTime) {
+        return localDateTime.withDayOfMonth(1).withHour(0).withMinute(0).withSecond(0).withNano(0);
+    }
+
+    public static LocalDateTime getLastDayOfMonth(LocalDateTime localDateTime) {
+        return localDateTime.withDayOfMonth(YearMonth.from(localDateTime).lengthOfMonth()).withHour(23).withMinute(59).withSecond(59).withNano(0);
+    }
+
+    public static LocalDateTime getFirstTimeOfDay(LocalDateTime localDateTime) {
+        return localDateTime.withHour(0).withMinute(0).withSecond(0).withNano(0);
+    }
+
+    public static LocalDateTime getLastTimeOfDay(LocalDateTime localDateTime) {
+        return localDateTime.withHour(23).withMinute(59).withSecond(59).withNano(0);
+    }
+}