From 05d29ebc93f78d5727a084522f5031a4c6e513e5 Mon Sep 17 00:00:00 2001
From: 0x464e <36742501+0x464e@users.noreply.github.com>
Date: Thu, 19 Mar 2026 16:33:30 +0200
Subject: [PATCH] revise url format

---
 web/src/pages/Events.tsx                  |  4 ++-
 web/src/utils/recordingReviewUrl.ts       | 42 ++++++++++++++++++-----
 web/src/views/recording/RecordingView.tsx | 14 +++++---
 3 files changed, 45 insertions(+), 15 deletions(-)

diff --git a/web/src/pages/Events.tsx b/web/src/pages/Events.tsx
index c065ffe14..ee6638ba2 100644
--- a/web/src/pages/Events.tsx
+++ b/web/src/pages/Events.tsx
@@ -24,6 +24,7 @@ import {
 import {
   parseRecordingReviewLink,
   RECORDING_REVIEW_START_PARAM,
+  RECORDING_REVIEW_TIMEZONE_PARAM,
 } from "@/utils/recordingReviewUrl";
 import EventView from "@/views/events/EventView";
 import MotionSearchView from "@/views/motion-search/MotionSearchView";
@@ -248,6 +249,7 @@ export default function Events() {
 
   useEffect(() => {
     const timestamp = searchParams.get(RECORDING_REVIEW_START_PARAM);
+    const timezone = searchParams.get(RECORDING_REVIEW_TIMEZONE_PARAM);
 
     if (!timestamp) {
       return;
@@ -257,7 +259,7 @@ export default function Events() {
       ? decodeURIComponent(location.hash.substring(1))
       : null;
 
-    const reviewLink = parseRecordingReviewLink(camera, timestamp);
+    const reviewLink = parseRecordingReviewLink(camera, timestamp, timezone);
 
     if (!reviewLink) {
       navigate(location.pathname + location.hash, {
diff --git a/web/src/utils/recordingReviewUrl.ts b/web/src/utils/recordingReviewUrl.ts
index 8fddd0530..e409c7db9 100644
--- a/web/src/utils/recordingReviewUrl.ts
+++ b/web/src/utils/recordingReviewUrl.ts
@@ -1,19 +1,39 @@
+import { formatInTimeZone, fromZonedTime } from "date-fns-tz";
+
 export const RECORDING_REVIEW_START_PARAM = "start_time";
+export const RECORDING_REVIEW_TIMEZONE_PARAM = "timezone";
 
 export type RecordingReviewLinkState = {
   camera: string;
   timestamp: number;
 };
 
+function formatRecordingReviewTimestamp(
+  timestamp: number,
+  timezone: string | undefined,
+): string {
+  const date = new Date(Math.floor(timestamp) * 1000);
+
+  if (timezone) {
+    return formatInTimeZone(date, timezone, "yyyy-MM-dd'T'HH:mm:ss");
+  }
+
+  return formatInTimeZone(date, "UTC", "yyyy-MM-dd'T'HH:mm:ss'Z'");
+}
+
 export function parseRecordingReviewLink(
   camera: string | null,
   start: string | null,
+  timezone: string | null,
 ): RecordingReviewLinkState | undefined {
   if (!camera || !start) {
     return undefined;
   }
 
-  const parsedTimestamp = Number(start);
+  const parsedDate = timezone
+    ? fromZonedTime(start, timezone)
+    : new Date(start);
+  const parsedTimestamp = parsedDate.getTime() / 1000;
 
   if (!Number.isFinite(parsedTimestamp)) {
     return undefined;
@@ -28,15 +48,19 @@ export function parseRecordingReviewLink(
 export function createRecordingReviewUrl(
   pathname: string,
   state: RecordingReviewLinkState,
+  timezone?: string,
 ): string {
-  const url = new URL(window.location.href);
-  url.pathname = pathname;
-  url.hash = state.camera;
-  url.search = "";
-  url.searchParams.set(
-    RECORDING_REVIEW_START_PARAM,
-    `${Math.floor(state.timestamp)}`,
+  const url = new URL(globalThis.location.href);
+  const formattedTimestamp = formatRecordingReviewTimestamp(
+    state.timestamp,
+    timezone,
   );
+  const normalizedPathname = pathname.startsWith("/")
+    ? pathname
+    : `/${pathname}`;
+  const timezoneParam = timezone
+    ? `&${RECORDING_REVIEW_TIMEZONE_PARAM}=${encodeURIComponent(timezone)}`
+    : "";
 
-  return url.toString();
+  return `${url.origin}${normalizedPathname}?${RECORDING_REVIEW_START_PARAM}=${formattedTimestamp}${timezoneParam}#${encodeURIComponent(state.camera)}`;
 }
diff --git a/web/src/views/recording/RecordingView.tsx b/web/src/views/recording/RecordingView.tsx
index 34efb8686..620f89cd5 100644
--- a/web/src/views/recording/RecordingView.tsx
+++ b/web/src/views/recording/RecordingView.tsx
@@ -334,16 +334,20 @@ export function RecordingView({
   }, [startTime, manuallySetCurrentTime]);
 
   const onCopyReviewLink = useCallback(() => {
-    const reviewUrl = createRecordingReviewUrl(location.pathname, {
-      camera: mainCamera,
-      timestamp: Math.floor(currentTime),
-    });
+    const reviewUrl = createRecordingReviewUrl(
+      location.pathname,
+      {
+        camera: mainCamera,
+        timestamp: Math.floor(currentTime),
+      },
+      config?.ui.timezone,
+    );
 
     copy(reviewUrl);
     toast.success(t("toast.copyUrlToClipboard", { ns: "common" }), {
       position: "top-center",
     });
-  }, [location.pathname, mainCamera, currentTime, t]);
+  }, [location.pathname, mainCamera, currentTime, config?.ui.timezone, t]);
 
   useEffect(() => {
     if (!scrubbing) {