Initial mini-timeline commit.
This commit is contained in:
Dermot Duffy
@@ -72,3 +72,38 @@ export function getCameraIcon(
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): string {
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return config?.icon || getEntityIcon(hass, config?.camera_entity) || 'mdi:video';
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}
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/**
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* Get all cameras that depend on a given camera.
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* @param cameras Cameras map.
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* @param camera Name of the target camera.
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* @returns A set of query parameters.
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*/
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export const getAllDependentCameras = (
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cameras: Map<string, CameraConfig>,
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camera?: string,
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): Set<string> => {
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const cameraIDs: Set<string> = new Set();
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const getDependentCameras = (camera: string): void => {
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const cameraConfig = cameras.get(camera);
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if (cameraConfig) {
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cameraIDs.add(camera);
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const dependentCameras: Set<string> = new Set();
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(cameraConfig.dependencies.cameras || []).forEach((item) =>
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dependentCameras.add(item),
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);
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if (cameraConfig.dependencies.all_cameras) {
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cameras.forEach((_, key) => dependentCameras.add(key));
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}
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for (const eventCameraID of dependentCameras) {
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if (!cameraIDs.has(eventCameraID)) {
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getDependentCameras(eventCameraID);
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}
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}
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}
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};
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if (camera) {
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getDependentCameras(camera);
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}
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return cameraIDs;
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};
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+3
-27
@@ -74,9 +74,9 @@ export const getRecordingsSummary = async (
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hass,
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recordingSummarySchema,
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{
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type: "frigate/recordings/summary",
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type: 'frigate/recordings/summary',
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instance_id: client_id,
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camera: camera_name
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camera: camera_name,
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},
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true,
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);
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@@ -102,7 +102,7 @@ export const getRecordingSegments = async (
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hass,
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recordingSegmentsSchema,
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{
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type: "frigate/recordings/get",
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type: 'frigate/recordings/get',
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instance_id: client_id,
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camera: camera_name,
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before: Math.floor(before.getTime() / 1000),
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@@ -144,27 +144,3 @@ export async function retainEvent(
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});
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}
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}
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/**
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* Get an id that unique identifies a particular camera (not zone, object, etc)
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* within a particular Frigate instance. ID will not (necessarily) be unique
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* within the card.
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* @param cameraConfig The camera config.
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*/
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export const getUniqueFrigateCameraID = (config: CameraConfig): string => {
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return [config.frigate.client_id, config.frigate.camera_name].join('/');
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};
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/**
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* Get an id that unique identifies a source of Frigate events. ID will not
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* (necessarily) be unique within the card.
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* @param cameraConfig The camera config.
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*/
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export const getUniqueFrigateCameraEventsID = (config: CameraConfig): string => {
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return [
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config.frigate.client_id,
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config.frigate.camera_name,
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config.frigate.label,
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config.frigate.zone,
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].join('/');
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};
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@@ -27,7 +27,7 @@ import {
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MEDIA_TYPE_VIDEO,
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} from '../../types.js';
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import { View } from '../../view.js';
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import { getCameraTitle } from '../camera.js';
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import { getAllDependentCameras, getCameraTitle } from '../camera.js';
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/**
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* Return the Frigate event_id given a FrigateBrowseMediaSource object.
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@@ -78,7 +78,7 @@ export const getFirstTrueMediaChildIndex = (
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* @param media_content_id The media content id to browse.
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* @returns A FrigateBrowseMediaSource object or null on malformed.
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*/
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export const browseMedia = async (
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const browseMedia = async (
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hass: HomeAssistant,
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media_content_id: string,
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): Promise<FrigateBrowseMediaSource> => {
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@@ -95,11 +95,11 @@ export const browseMedia = async (
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* @param params The search parameters to use to search for media.
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* @returns A FrigateBrowseMediaSource object or null on malformed.
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*/
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export const browseMediaQuery = async (
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const browseMediaQuery = async (
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hass: HomeAssistant,
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params: BrowseMediaQueryParameters,
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): Promise<FrigateBrowseMediaSource> => {
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return browseMedia(
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const result = await browseMedia(
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hass,
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// Defined in:
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// https://github.com/blakeblackshear/frigate-hass-integration/blob/master/custom_components/frigate/media_source.py
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@@ -118,6 +118,14 @@ export const browseMediaQuery = async (
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params.zone,
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].join('/'),
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);
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// If a cameraID was specified, imprint each child with that id for
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// traceability.
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if (params.cameraID) {
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result.children?.forEach((child: FrigateBrowseMediaSource) => {
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(child.frigate ??= {}).cameraID = params.cameraID;
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})
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}
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return result;
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};
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/**
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@@ -259,27 +267,7 @@ export const getFullDependentBrowseMediaQueryParameters = (
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camera: string,
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mediaType?: 'clips' | 'snapshots',
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): BrowseMediaQueryParameters[] | null => {
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const cameraIDs: Set<string> = new Set();
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const getDependentCameras = (camera: string): void => {
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const cameraConfig = cameras.get(camera);
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if (cameraConfig) {
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cameraIDs.add(camera);
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const dependentCameras: Set<string> = new Set();
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(cameraConfig.dependencies.cameras || []).forEach((item) =>
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dependentCameras.add(item),
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);
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if (cameraConfig.dependencies.all_cameras) {
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cameras.forEach((_, key) => dependentCameras.add(key));
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}
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for (const eventCameraID of dependentCameras) {
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if (!cameraIDs.has(eventCameraID)) {
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getDependentCameras(eventCameraID);
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}
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}
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}
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};
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getDependentCameras(camera);
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const cameraIDs = getAllDependentCameras(cameras, camera);
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const params: BrowseMediaQueryParameters[] = [];
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for (const cameraID of cameraIDs) {
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const param = getBrowseMediaQueryParameters(
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@@ -435,9 +423,10 @@ export const createVideoChild = (
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options?: {
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thumbnail?: string;
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recording?: FrigateRecording;
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cameraID?: string,
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},
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): FrigateBrowseMediaSource => {
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return {
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const result: FrigateBrowseMediaSource = {
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title: title,
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media_class: MEDIA_CLASS_VIDEO,
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media_content_type: MEDIA_TYPE_VIDEO,
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@@ -445,13 +434,18 @@ export const createVideoChild = (
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can_play: true,
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can_expand: false,
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thumbnail: options?.thumbnail ?? null,
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children: null,
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...(options?.recording && {
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frigate: {
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recording: options.recording,
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},
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}),
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};
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children: null
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}
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if (options?.recording || options?.cameraID) {
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result.frigate = {}
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if (options?.recording) {
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result.frigate.recording = options.recording;
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}
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if (options?.cameraID) {
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result.frigate.cameraID = options.cameraID;
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}
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}
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return result;
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};
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/**
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@@ -0,0 +1,510 @@
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import { HomeAssistant } from 'custom-card-helpers';
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import { DataSet, DataView } from 'vis-data/esnext';
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import { IdType, TimelineItem } from 'vis-timeline/esnext';
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import { CAMERA_BIRDSEYE } from '../const.js';
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import {
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BrowseMediaQueryParameters,
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CameraConfig,
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ExtendedHomeAssistant,
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FrigateBrowseMediaSource,
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FrigateCardError,
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FrigateEvent,
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} from '../types.js';
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import { errorToConsole } from '../utils/basic.js';
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import {
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getRecordingSegments,
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getRecordingsSummary,
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RecordingSegments,
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RecordingSummary,
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} from './frigate.js';
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import {
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getBrowseMediaQueryParameters,
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isTrueMedia,
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multipleBrowseMediaQuery,
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} from './ha/browse-media.js';
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import { dispatchFrigateCardErrorEvent } from '../components/message.js';
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const RECORDING_SEGMENT_TOLERANCE = 60;
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const TIMELINE_DATA_MANAGER_MAX_AGE_SECONDS = 10;
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export interface FrigateCardTimelineItem extends TimelineItem {
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// DataView has issues using datasets with Date objects, so avoid them and use
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// numbers instead.
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start: number;
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end?: number;
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event?: FrigateEvent;
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source?: FrigateBrowseMediaSource;
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}
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type TimelineMediaType = 'all' | 'clips' | 'snapshots';
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export interface RecordingSegmentsItem {
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id: string;
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cameraID: string;
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start: number;
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end: number;
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}
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/**
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* Sort the timeline items most recent to least recent.
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* @param a The first item.
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* @param b The second item.
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* @returns -1, 0, 1 (standard array sort function configuration).
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*/
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export const sortTimelineItemsYoungestToOldest = (
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a: FrigateCardTimelineItem,
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b: FrigateCardTimelineItem,
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): number => {
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if (a.start < b.start) {
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return 1;
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}
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if (a.start > b.start) {
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return -1;
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}
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return 0;
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};
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/**
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* Sort the segments least recent to most recent.
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* @param a The first item.
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* @param b The second item.
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* @returns -1, 0, 1 (standard array sort function configuration).
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*/
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export const sortSegmentsOldestToYoungest = (
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a: RecordingSegmentsItem,
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b: RecordingSegmentsItem,
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): number => {
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if (a.start < b.start) {
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return -1;
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}
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if (a.start > b.start) {
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return 1;
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}
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return 0;
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};
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/**
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* A manager to maintain/fetch timeline events.
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*/
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export class TimelineDataManager {
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protected _recordingSummary: Map<string, RecordingSummary | null> = new Map();
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protected _recordingSegments = new DataSet<RecordingSegmentsItem>();
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protected _dataset = new DataSet<FrigateCardTimelineItem>();
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// The earliest date managed.
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protected _dateStart: Date | null = null;
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// The latest date managed.
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protected _dateEnd: Date | null = null;
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// The last fetch date.
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protected _dateFetch: Date | null = null;
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// The maximum allowable age of fetch data (will not fetch more frequently
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// than this).
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protected _maxAgeSeconds: number = TIMELINE_DATA_MANAGER_MAX_AGE_SECONDS;
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protected _cameras: Map<string, CameraConfig>;
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protected _mediaType: TimelineMediaType;
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protected _recordings: boolean;
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constructor(
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cameras: Map<string, CameraConfig>,
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mediaType: TimelineMediaType,
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recordings: boolean,
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) {
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this._cameras = cameras;
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this._mediaType = mediaType;
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this._recordings = recordings;
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}
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// Get the last event fetch date.
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get lastFetchDate(): Date | null {
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return this._dateFetch ?? null;
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}
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public getRecordingSummaryForCamera(cameraID: string): RecordingSummary | null {
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return this._recordingSummary.get(cameraID) ?? null;
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}
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public createDataView(cameraIDs: Set<string>): DataView<FrigateCardTimelineItem> {
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return new DataView(this._dataset, {
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filter: (item: FrigateCardTimelineItem) =>
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!!item.group && cameraIDs.has(String(item.group)),
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});
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}
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public createSegmentDataView(): DataView<RecordingSegmentsItem> {
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return new DataView(this._recordingSegments);
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}
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get recordingSegments(): DataSet<RecordingSegmentsItem> {
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return this._recordingSegments;
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}
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/**
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* Rewrite an item as-is. May be useful in cases where clustering may need to
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* be recalculated.
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* @param id The id to rewrite.
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*/
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public rewriteItem(id: IdType): void {
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// Hack: Clustering may not update unless the dataset changes, artifically
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// update the dataset to ensure the newly selected item cannot be included
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// in a cluster.
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const item = this._dataset.get(id);
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if (item) {
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this._dataset.updateOnly(item);
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}
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}
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/**
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* Add a FrigateBrowseMediaSource object to the managed timeline.
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* @param cameraID The id the camera this object is from.
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* @param target The FrigateBrowseMediaSource to add.
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*/
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protected _addMediaSource(target: FrigateBrowseMediaSource): void {
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const items: FrigateCardTimelineItem[] = [];
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target.children?.forEach((child) => {
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const event = child.frigate?.event;
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const cameraID = child.frigate?.cameraID;
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if (
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cameraID &&
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event &&
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isTrueMedia(child) &&
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['video', 'image'].includes(child.media_content_type)
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) {
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let item = this._dataset.get(event.id);
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//const st = fromUnixTime();
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if (!item) {
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item = {
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id: event.id,
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group: cameraID,
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content: '',
|
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start: event.start_time * 1000,
|
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event: event,
|
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};
|
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}
|
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if (
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(child.media_content_type === 'video' &&
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['all', 'clips'].includes(this._mediaType)) ||
|
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(!item.source &&
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child.media_content_type === 'image' &&
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['all', 'snapshots'].includes(this._mediaType))
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) {
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item.source = child;
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}
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if (event.end_time) {
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item['end'] = event.end_time * 1000;
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item['type'] = 'range';
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} else {
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item['type'] = 'point';
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}
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items.push(item);
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}
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});
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|
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this._dataset.update(items);
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}
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|
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/**
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* Determine if the timeline has coverage for a given range of dates.
|
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* @param start The start of the date range.
|
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* @param end An optional end of the date range.
|
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* @returns
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*/
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public hasCoverage(now: Date, start: Date, end?: Date): boolean {
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// Never fetched: no coverage.
|
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if (!this._dateFetch || !this._dateStart || !this._dateEnd) {
|
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return false;
|
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}
|
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|
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// If the most recent fetch is older than maxAgeSeconds: no coverage.
|
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if (
|
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this._maxAgeSeconds &&
|
||||
now.getTime() - this._dateFetch.getTime() > this._maxAgeSeconds * 1000
|
||||
) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// If the most requested data is earlier than the earliest stored: no
|
||||
// coverage.
|
||||
if (start < this._dateStart) {
|
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return false;
|
||||
}
|
||||
|
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// If there's no end time specified: there IS coverage.
|
||||
if (!end) {
|
||||
return true;
|
||||
}
|
||||
// If the requested end time is older than the oldest requested: there IS
|
||||
// coverage.
|
||||
if (end.getTime() < this._dateEnd.getTime()) {
|
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return true;
|
||||
}
|
||||
// If there's no maxAgeSeconds specified: no coverage.
|
||||
if (!this._maxAgeSeconds) {
|
||||
return false;
|
||||
}
|
||||
// If the requested end time is beyond `_maxAgeSeconds` of now: no coverage.
|
||||
if (now.getTime() - end.getTime() > this._maxAgeSeconds * 1000) {
|
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return false;
|
||||
}
|
||||
|
||||
// End time is within `_maxAgeSeconds` of the latest data: there IS
|
||||
// coverage.
|
||||
return end.getTime() - this._maxAgeSeconds * 1000 <= this._dateEnd.getTime();
|
||||
}
|
||||
|
||||
/**
|
||||
* Fetch events if no coverage in given range.
|
||||
* @param element The element to send error events from.
|
||||
* @param hass The HomeAssistant object.
|
||||
* @param start Fetch events that start later than this date.
|
||||
* @param end Fetch events that start earlier than this date.
|
||||
* @returns `true` if events were fetched, `false` otherwise.
|
||||
*/
|
||||
public async fetchIfNecessary(
|
||||
element: HTMLElement,
|
||||
hass: ExtendedHomeAssistant,
|
||||
start: Date,
|
||||
end: Date,
|
||||
): Promise<boolean> {
|
||||
// Cannot fetch the future, always clip the end date to now so as to avoid
|
||||
// checking for coverage that could not possibly exist yet.
|
||||
const now = new Date();
|
||||
end = end > now ? now : end;
|
||||
|
||||
if (this.hasCoverage(now, start, end)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
const oldStart = this._dateStart;
|
||||
const oldEnd = this._dateEnd;
|
||||
let segmentStart: Date | null = null;
|
||||
let segmentEnd: Date | null = null;
|
||||
if (!this._dateStart || start < this._dateStart) {
|
||||
this._dateStart = start;
|
||||
segmentStart = start;
|
||||
} else {
|
||||
segmentStart = oldEnd ?? end;
|
||||
}
|
||||
if (!this._dateEnd || end > this._dateEnd) {
|
||||
this._dateEnd = end;
|
||||
segmentEnd = end;
|
||||
} else {
|
||||
segmentEnd = oldStart ?? start;
|
||||
}
|
||||
|
||||
this._dateFetch = new Date();
|
||||
|
||||
await Promise.all([
|
||||
// Events are always fetched for the maximum extent of the managed
|
||||
// range. This is because events may change at any point in time
|
||||
// (e.g. a long-running event that ends).
|
||||
this._fetchEvents(element, hass, this._dateStart, this._dateEnd),
|
||||
...(this._recordings ? [this._fetchRecordingSummary(hass)] : []),
|
||||
...(this._recordings && segmentEnd > segmentStart
|
||||
? [this._fetchRecordingSegments(hass, segmentStart, segmentEnd)]
|
||||
: []),
|
||||
]);
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Fetch recording segments for cameras.
|
||||
* @param hass The HomeAssistant object.
|
||||
* @param start Fetch segments that start later than this date.
|
||||
* @param end Fetch segments that start earlier than this date.
|
||||
*/
|
||||
protected async _fetchRecordingSegments(
|
||||
hass: ExtendedHomeAssistant,
|
||||
start: Date,
|
||||
end: Date,
|
||||
): Promise<void> {
|
||||
const results: Map<string, RecordingSegments> = new Map();
|
||||
const fetch = async (camera: string, config?: CameraConfig): Promise<void> => {
|
||||
if (!config || !config.frigate.camera_name || !hass) {
|
||||
return;
|
||||
}
|
||||
|
||||
try {
|
||||
const cameraResults = await getRecordingSegments(
|
||||
hass,
|
||||
config.frigate.client_id,
|
||||
config.frigate.camera_name,
|
||||
end,
|
||||
start,
|
||||
);
|
||||
results.set(camera, cameraResults);
|
||||
} catch (e) {
|
||||
errorToConsole(e as Error);
|
||||
}
|
||||
};
|
||||
|
||||
await Promise.all(
|
||||
Array.from(this._cameras.keys()).map((camera) =>
|
||||
fetch(camera, this._cameras.get(camera)),
|
||||
),
|
||||
);
|
||||
|
||||
const items: RecordingSegmentsItem[] = [];
|
||||
results.forEach((segments, cameraID) => {
|
||||
segments.forEach((segment) => {
|
||||
items.push({
|
||||
id: `${cameraID}/${segment.id}`,
|
||||
cameraID: cameraID,
|
||||
start: segment.start_time * 1000,
|
||||
end: segment.end_time * 1000,
|
||||
});
|
||||
});
|
||||
});
|
||||
this._recordingSegments.update(items);
|
||||
this._compressRecordingSegmentsOntoTimeline();
|
||||
}
|
||||
|
||||
/**
|
||||
* Compress recording segments into recordings shown on the timeline
|
||||
* background.
|
||||
*/
|
||||
protected _compressRecordingSegmentsOntoTimeline(): void {
|
||||
if (!this._recordingSegments.length) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Delete all the existing background.
|
||||
this._dataset.remove(
|
||||
this._dataset.get({
|
||||
filter: (item) => item.type === 'background',
|
||||
}),
|
||||
);
|
||||
|
||||
const convertToRecording = (
|
||||
segment: RecordingSegmentsItem,
|
||||
): FrigateCardTimelineItem => {
|
||||
return {
|
||||
id: `recording-${segment.cameraID}-${segment.id}`,
|
||||
group: segment.cameraID,
|
||||
start: segment.start,
|
||||
end: segment.end,
|
||||
content: ' ',
|
||||
type: 'background',
|
||||
};
|
||||
};
|
||||
|
||||
// Iterate through the segments least to most recent, effectively joining
|
||||
// segments together that are within a certain tolerance to create large
|
||||
// blocks that are visualized on the timeline as recordings.
|
||||
const recordings: FrigateCardTimelineItem[] = [];
|
||||
|
||||
this._cameras.forEach((_, cameraID) => {
|
||||
const segments = this._recordingSegments.get({
|
||||
filter: (item) => item.cameraID === cameraID,
|
||||
order: sortSegmentsOldestToYoungest,
|
||||
});
|
||||
let current: RecordingSegmentsItem | null = null;
|
||||
for (let i = 0; i < segments.length; ++i) {
|
||||
const item = segments[i];
|
||||
|
||||
if (!current) {
|
||||
current = { ...item };
|
||||
} else if (current.end + RECORDING_SEGMENT_TOLERANCE * 1000 >= item.start) {
|
||||
current.end = item.end;
|
||||
} else {
|
||||
recordings.push(convertToRecording(current));
|
||||
current = null;
|
||||
}
|
||||
if (i === segments.length - 1 && current) {
|
||||
recordings.push(convertToRecording(current));
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
this._dataset.update(recordings);
|
||||
}
|
||||
|
||||
/**
|
||||
* Fetch recording summary.
|
||||
* @param hass The HomeAssistant object.
|
||||
*/
|
||||
protected async _fetchRecordingSummary(hass: ExtendedHomeAssistant): Promise<void> {
|
||||
const storeRecordingSummary = async (
|
||||
cameraID: string,
|
||||
cameraConfig: CameraConfig,
|
||||
): Promise<void> => {
|
||||
if (!cameraConfig.frigate.camera_name) {
|
||||
return;
|
||||
}
|
||||
try {
|
||||
this._recordingSummary.set(
|
||||
cameraID,
|
||||
await getRecordingsSummary(
|
||||
hass,
|
||||
cameraConfig.frigate.client_id,
|
||||
cameraConfig.frigate.camera_name,
|
||||
),
|
||||
);
|
||||
} catch (e) {
|
||||
// Recording failure should not disrupt the rest of the timeline
|
||||
// experience.
|
||||
errorToConsole(e as Error);
|
||||
}
|
||||
};
|
||||
|
||||
await Promise.all(
|
||||
Array.from(this._cameras.keys()).map(async (cameraID) => {
|
||||
const cameraConfig = this._cameras.get(cameraID);
|
||||
if (cameraConfig) {
|
||||
await storeRecordingSummary(cameraID, cameraConfig);
|
||||
}
|
||||
}),
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Fetch events for the timeline.
|
||||
* @param element The element to send error events from.
|
||||
* @param hass The HomeAssistant object.
|
||||
* @param start Fetch events that start later than this date.
|
||||
* @param end Fetch events that start earlier than this date.
|
||||
*/
|
||||
protected async _fetchEvents(
|
||||
element: HTMLElement,
|
||||
hass: HomeAssistant,
|
||||
start: Date,
|
||||
end: Date,
|
||||
): Promise<void> {
|
||||
const params: BrowseMediaQueryParameters[] = [];
|
||||
this._cameras.forEach((cameraConfig, cameraID) => {
|
||||
(this._mediaType === 'all' ? ['clips', 'snapshots'] : [this._mediaType]).forEach(
|
||||
(mediaType) => {
|
||||
if (cameraConfig?.frigate.camera_name !== CAMERA_BIRDSEYE) {
|
||||
const param = getBrowseMediaQueryParameters(hass, cameraID, cameraConfig, {
|
||||
before: end.getTime() / 1000,
|
||||
after: start.getTime() / 1000,
|
||||
unlimited: true,
|
||||
mediaType: mediaType as 'clips' | 'snapshots',
|
||||
});
|
||||
if (param) {
|
||||
params.push(param);
|
||||
}
|
||||
}
|
||||
},
|
||||
);
|
||||
});
|
||||
|
||||
if (!params.length) {
|
||||
return;
|
||||
}
|
||||
|
||||
let results: Map<BrowseMediaQueryParameters, FrigateBrowseMediaSource>;
|
||||
try {
|
||||
results = await multipleBrowseMediaQuery(hass, params);
|
||||
} catch (e) {
|
||||
return dispatchFrigateCardErrorEvent(element, e as FrigateCardError);
|
||||
}
|
||||
for (const result of results.values()) {
|
||||
this._addMediaSource(result);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user