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Fix timezone conversion logic

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This commit is contained in:
Nicolas Mowen 2024-05-20 06:45:57 -06:00
parent 82d4bf8ab5
commit e674909c27
4 changed files with 20 additions and 23 deletions
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9
web/src/components/player/PreviewPlayer.tsx
View File

@ -10,7 +10,7 @@ import useSWR from "swr";
import { FrigateConfig } from "@/types/frigateConfig";
import { Preview } from "@/types/preview";
import { PreviewPlayback } from "@/types/playback";
import { getUTCOffset, isCurrentHour } from "@/utils/dateUtil";
import { getTimestampOffset, isCurrentHour } from "@/utils/dateUtil";
import { baseUrl } from "@/api/baseUrl";
import { isAndroid, isChrome, isMobile } from "react-device-detect";
import { TimeRange } from "@/types/timeline";
@ -41,8 +41,7 @@ export default function PreviewPlayer({
const [currentHourFrame, setCurrentHourFrame] = useState<string>();
const currentPreview = useMemo(() => {
const timeRangeOffset =
(getUTCOffset(new Date(timeRange.before * 1000)) % 60) * 60;
const timeRangeOffset = getTimestampOffset(timeRange.before);
return cameraPreviews.find(
(preview) =>
@ -233,8 +232,8 @@ function PreviewVideoPlayer({
return;
}
const timeRangeOffset =
getUTCOffset(new Date(timeRange.before * 1000)) % 60;
// account for minutes offset in timezone
const timeRangeOffset = getTimestampOffset(timeRange.before);
const preview = cameraPreviews.find(
(preview) =>

9
web/src/pages/Events.tsx
View File

@ -11,7 +11,7 @@ import {
ReviewSeverity,
ReviewSummary,
} from "@/types/review";
import { getUTCOffset } from "@/utils/dateUtil";
import { getTimestampOffset } from "@/utils/dateUtil";
import EventView from "@/views/events/EventView";
import { RecordingView } from "@/views/events/RecordingView";
import axios from "axios";
@ -167,7 +167,8 @@ export default function Events() {
return undefined;
}
const timezoneMinuteOffset = (getUTCOffset(new Date()) % 60) * 60;
// offset by timezone minutes
const timestampOffset = getTimestampOffset(Date.now() / 1000);
const startDate = new Date();
startDate.setMinutes(0, 0, 0);
@ -176,8 +177,8 @@ export default function Events() {
endDate.setHours(0, 0, 0, 0);
return {
after: startDate.getTime() / 1000 + timezoneMinuteOffset,
before: endDate.getTime() / 1000 + timezoneMinuteOffset,
after: startDate.getTime() / 1000 + timestampOffset,
before: endDate.getTime() / 1000 + timestampOffset,
};
}, [reviews]);

9
web/src/utils/dateUtil.ts
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@ -269,6 +269,15 @@ export const getUTCOffset = (
);
};
/**
* Gets the minute offset in seconds of the current timezone from UTC.
* Any timezones with an offset in hours will return 0,
* any timezones with an offset of 30 or 45 minutes will return that amount in seconds.
*/
export function getTimestampOffset(timestamp: number) {
return (getUTCOffset(new Date(timestamp * 1000)) % 60) * 60;
}
export function getRangeForTimestamp(timestamp: number) {
const date = new Date(timestamp * 1000);
date.setMinutes(0, 0, 0);

14
web/src/utils/timelineUtil.tsx
View File

@ -131,25 +131,13 @@ export function getChunkedTimeDay(timeRange: TimeRange): TimeRange[] {
endOfThisHour.setSeconds(0, 0);
const data: TimeRange[] = [];
const startDay = new Date(timeRange.after * 1000);
const timezoneMinuteOffset =
getUTCOffset(new Date(timeRange.before * 1000)) % 60;
if (timezoneMinuteOffset == 0) {
startDay.setMinutes(0, 0, 0);
} else {
startDay.setSeconds(0, 0);
}
let start = startDay.getTime() / 1000;
let end = 0;
for (let i = 0; i < 24; i++) {
startDay.setHours(
startDay.getHours() + 1,
Math.abs(timezoneMinuteOffset),
0,
0,
);
startDay.setHours(startDay.getHours() + 1, 0, 0, 0);
if (startDay > endOfThisHour) {
break;