Files
advanced-camera-card/src/camera/frigate/util.ts
T

100 lines
3.0 KiB
TypeScript

import utcToZonedTime from 'date-fns-tz/utcToZonedTime';
import { CameraConfig, ClipsOrSnapshots } from '../../types';
import { formatDateAndTime, prettifyTitle } from '../../utils/basic';
import { FrigateEvent, FrigateRecording } from './types';
/**
* Given an event generate a title.
* @param event
*/
export const getEventTitle = (event: FrigateEvent): string => {
const localTimezone = Intl.DateTimeFormat().resolvedOptions().timeZone;
const durationSeconds = Math.round(
event.end_time
? event.end_time - event.start_time
: Date.now() / 1000 - event.start_time,
);
return `${formatDateAndTime(
utcToZonedTime(event.start_time * 1000, localTimezone),
)} [${durationSeconds}s, ${prettifyTitle(event.label)} ${Math.round(
event.top_score * 100,
)}%]`;
};
export const getRecordingTitle = (
cameraConfig: CameraConfig,
recording: FrigateRecording,
): string => {
return `${prettifyTitle(cameraConfig.frigate.camera_name)} ${formatDateAndTime(
recording.startTime,
)}`;
};
/**
* Get a thumbnail URL for an event.
* @param clientId The Frigate client id.
* @param event The event.
* @returns A string URL.
*/
export const getEventThumbnailURL = (clientId: string, event: FrigateEvent): string => {
return `/api/frigate/${clientId}/thumbnail/${event.id}`;
};
/**
* Get a media content ID for an event.
* @param clientId The Frigate client id.
* @param cameraName The Frigate camera name.
* @param event The Frigate event.
* @param mediaType The media type required.
* @returns A string media content id.
*/
export const getEventMediaContentID = (
clientId: string,
cameraName: string,
event: FrigateEvent,
mediaType: ClipsOrSnapshots,
): string => {
return `media-source://frigate/${clientId}/event/${mediaType}/${cameraName}/${event.id}`;
};
/**
* Generate a recording identifier.
* @param clientId The Frigate client id.
* @param cameraName The Frigate camera name.
* @param recording The Frigate recording.
* @returns A recording identifier.
*/
export const getRecordingMediaContentID = (
clientId: string,
cameraName: string,
recording: FrigateRecording,
): string => {
return [
'media-source://frigate',
clientId,
'recordings',
cameraName,
`${recording.startTime.getFullYear()}-${String(
recording.startTime.getMonth() + 1,
).padStart(2, '0')}-${String(
String(recording.startTime.getDate()).padStart(2, '0'),
)}`,
String(recording.startTime.getHours()).padStart(2, '0'),
].join('/');
};
/**
* Get a recording ID for internal de-duping.
*/
export const getRecordingID = (
cameraConfig: CameraConfig,
recording: FrigateRecording,
): string => {
// ID name is derived from the real camera name (not CameraID) since the
// recordings for the same camera across multiple zones will be the same and
// can be dedup'd from this id.
return `${cameraConfig.frigate?.client_id ?? ''}/${
cameraConfig.frigate.camera_name ?? ''
}/${recording.startTime.getTime()}/${recording.endTime.getTime()}}`;
};