From dfd9c06b06d927a37de8592bcdebf70d802d2e39 Mon Sep 17 00:00:00 2001
From: Galindo97 <agalindo2aduanasoft.com.mx>
Date: Wed, 11 Feb 2026 11:13:32 -0600
Subject: [PATCH] feat: Standardize audit log timestamps to UTC in the backend
 and display local time in the frontend.

---
 .../v1/modules/a76/audit_log/services/service.py   | 11 +++++------
 .../src/routes/dashboard/audit_logs/+page.svelte   | 14 ++++++++++----
 2 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/backend/api/v1/modules/a76/audit_log/services/service.py b/backend/api/v1/modules/a76/audit_log/services/service.py
index 8da524fa..b8d3099a 100644
--- a/backend/api/v1/modules/a76/audit_log/services/service.py
+++ b/backend/api/v1/modules/a76/audit_log/services/service.py
@@ -40,9 +40,9 @@ class AuditService:
         """
         Low-level creation of an Audit Log entry
         """
-        # Timezone handling set to Hermosillo (Sonora) to match user preference (-1h vs CDMX)
-        tz = pytz.timezone('America/Hermosillo')
-        now = datetime.now(tz)
+        # Timezone handling: Use UTC for consistency across regions.
+        # Frontend will convert to user's local time.
+        now = datetime.now(pytz.UTC)
         
         log = AuditLog(
             reference=reference,
@@ -157,9 +157,8 @@ class AuditService:
         # Prevent duplicate login logs (debounce 5 seconds)
         # This handles cases where frontend might submit twice or redirects trigger re-auth
         try:
-             # Timezone handling set to Hermosillo (Sonora) to match user preference (-1h vs CDMX)
-            tz = pytz.timezone('America/Hermosillo')
-            now = datetime.now(tz)
+             # Timezone handling: Use UTC for consistency
+            now = datetime.now(pytz.UTC)
             five_seconds_ago = now - datetime.timedelta(seconds=5)
             
             # Check for recent login from same user
diff --git a/frontend/src/routes/dashboard/audit_logs/+page.svelte b/frontend/src/routes/dashboard/audit_logs/+page.svelte
index 707f8563..8968b41b 100644
--- a/frontend/src/routes/dashboard/audit_logs/+page.svelte
+++ b/frontend/src/routes/dashboard/audit_logs/+page.svelte
@@ -114,13 +114,19 @@
 		handleFilterChange();
 	}
 
-	function formatDate(dateStr: string): string {
+	function formatDate(dateStr: string, timestamp?: string): string {
+		if (timestamp) {
+			return new Date(timestamp).toLocaleDateString();
+		}
 		if (!dateStr) return '';
 		const [y, m, d] = dateStr.split('-');
 		return `${d}/${m}/${y}`;
 	}
 
-	function formatTime(timeStr: string): string {
+	function formatTime(timeStr: string, timestamp?: string): string {
+		if (timestamp) {
+			return new Date(timestamp).toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' });
+		}
 		if (!timeStr) return '';
 		try {
 			const [h, m] = timeStr.split(':');
@@ -316,8 +322,8 @@
 										<Table.Cell class="text-sm">{log.procedure}</Table.Cell>
 										<Table.Cell class="text-sm">{log.movement}</Table.Cell>
 										<Table.Cell class="text-sm">{log.username}</Table.Cell>
-										<Table.Cell class="text-sm">{formatDate(log.date)}</Table.Cell>
-										<Table.Cell class="text-sm">{formatTime(log.time)}</Table.Cell>
+										<Table.Cell class="text-sm">{formatDate(log.date, log.timestamp)}</Table.Cell>
+										<Table.Cell class="text-sm">{formatTime(log.time, log.timestamp)}</Table.Cell>
 									</Table.Row>
 								{/each}
 							{/if}