From 87960c9729c3087fb88f54ec6b7a144fba066cd5 Mon Sep 17 00:00:00 2001
From: bcjang <sica4311@gmail.com>
Date: Mon, 27 Oct 2025 15:15:03 +0900
Subject: [PATCH] =?UTF-8?q?=EC=9D=BC=EB=B0=98=20guid=20=EC=83=9D=EC=84=B1?=
 =?UTF-8?q?=20=EC=B6=94=EA=B0=80=20=EB=B6=84=20>=20=EC=B4=88=20=EB=B3=80?=
 =?UTF-8?q?=EA=B2=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../global/common/utils/CommonUtils.java      |  9 +++--
 .../admin/global/common/utils/DateUtils.java  | 36 +++++++++++--------
 2 files changed, 29 insertions(+), 16 deletions(-)

diff --git a/src/main/java/com/caliverse/admin/global/common/utils/CommonUtils.java b/src/main/java/com/caliverse/admin/global/common/utils/CommonUtils.java
index 05cfdeb..a1f78de 100644
--- a/src/main/java/com/caliverse/admin/global/common/utils/CommonUtils.java
+++ b/src/main/java/com/caliverse/admin/global/common/utils/CommonUtils.java
@@ -3,6 +3,7 @@ package com.caliverse.admin.global.common.utils;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.nio.charset.StandardCharsets;
+import java.security.SecureRandom;
 import java.time.*;
 import java.time.format.DateTimeFormatter;
 import java.util.*;
@@ -41,6 +42,7 @@ public class CommonUtils {
     private static final Logger logger = LoggerFactory.getLogger(CommonUtils.class);
     private static UserDetails userDetails;
     private static AdminMapper adminMapper;
+    private static final String CHARACTERS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
 
     public static Admin getAdmin(){
         Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
@@ -77,6 +79,10 @@ public class CommonUtils {
         return UUID.randomUUID().toString();
     }
 
+    public static String getSimpleCreateGuId() {
+        return UUID.randomUUID().toString().replace("-", "");
+    }
+
     public static String objectToString(Object object){
         if (object == null) {
             return "";
@@ -365,8 +371,7 @@ public class CommonUtils {
     }
 
     public static String convertUTCDate(LocalDateTime date){
-        DateTimeFormatter formatter = DateTimeFormatter.ofPattern(CommonConstants.FORMAT_DATE_ISO_DATETIME_MILLIS);
-        return date.atOffset(ZoneOffset.UTC).format(formatter);
+        return DateUtils.stringToISODateTimeMillis(date);
     }
 
     public static LocalTime stringToTime(String time){
diff --git a/src/main/java/com/caliverse/admin/global/common/utils/DateUtils.java b/src/main/java/com/caliverse/admin/global/common/utils/DateUtils.java
index 7aeaf2b..79e9b7b 100644
--- a/src/main/java/com/caliverse/admin/global/common/utils/DateUtils.java
+++ b/src/main/java/com/caliverse/admin/global/common/utils/DateUtils.java
@@ -6,41 +6,31 @@ import java.time.*;
 import java.time.format.DateTimeFormatter;
 
 public class DateUtils {
+    //return ex) 2025-08-25 14:30:45
     public static String stringToDateTime(LocalDateTime date) {
         if(date == null) return null;
         DateTimeFormatter formatter = DateTimeFormatter.ofPattern(CommonConstants.FORMAT_DATE_DATETIME);
         return date.format(formatter);
     }
 
+    //return ex) 2025-08-25T14:30:45
     public static String stringToISODateTime(LocalDateTime date){
         DateTimeFormatter formatter = DateTimeFormatter.ofPattern(CommonConstants.FORMAT_DATE_ISO_DATETIME);
         return date.atOffset(ZoneOffset.UTC).format(formatter);
     }
 
+    //return ex) 2025-08-25T14:30:45.123Z
     public static String stringToISODateTimeMillis(LocalDateTime date){
         DateTimeFormatter formatter = DateTimeFormatter.ofPattern(CommonConstants.FORMAT_DATE_ISO_DATETIME_MILLIS);
         return date.atOffset(ZoneOffset.UTC).format(formatter);
     }
 
+    //return ex) 2025-08-25T14:30:45.1234567Z
     public static String stringToISODateTimeMillisNano(LocalDateTime date){
         DateTimeFormatter formatter = DateTimeFormatter.ofPattern(CommonConstants.FORMAT_DATE_ISO_DATETIME_MILLIS_NANO);
         return date.atOffset(ZoneOffset.UTC).format(formatter);
     }
 
-    public static LocalDateTime stringISOToLocalDateTime(String date){
-        Instant instant = Instant.parse(date);
-        return LocalDateTime.ofInstant(instant, ZoneId.systemDefault());
-    }
-
-    public static LocalDateTime stringToDateTime(String str){
-        return LocalDateTime.parse(str, DateTimeFormatter.ISO_LOCAL_DATE_TIME);
-    }
-
-    public static LocalDateTime stringToLocalDateTime(String date){
-        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
-        return LocalDateTime.parse(date, formatter);
-    }
-
     public static String nowDateTime(){
         LocalDateTime now = LocalDateTime.now();
         return stringToDateTime(now);
@@ -56,6 +46,20 @@ public class DateUtils {
         return date.atOffset(ZoneOffset.UTC).format(formatter);
     }
 
+    public static LocalDateTime stringISOToLocalDateTime(String date){
+        Instant instant = Instant.parse(date);
+        return LocalDateTime.ofInstant(instant, ZoneId.systemDefault());
+    }
+
+    public static LocalDateTime stringToDateTime(String str){
+        return LocalDateTime.parse(str, DateTimeFormatter.ISO_LOCAL_DATE_TIME);
+    }
+
+    public static LocalDateTime stringToLocalDateTime(String date){
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+        return LocalDateTime.parse(date, formatter);
+    }
+
     public static LocalDateTime getMaxTime(){
         return LocalDateTime.of(3000, 1, 1, 0, 0, 0, 0);
     }
@@ -63,4 +67,8 @@ public class DateUtils {
     public static long dateToISOUnixTime(LocalDateTime date){
         return date.atOffset(ZoneOffset.UTC).toEpochSecond();
     }
+
+    public static int minutesToSeconds(int minutes) {
+        return minutes * 60;
+    }
 }