Use a MediaQueriesClassifier for consistency.

src/camera/frigate/engine-frigate.ts

@@ -5,7 +5,7 @@ import getUnixTime from 'date-fns/getUnixTime';
 import startOfHour from 'date-fns/startOfHour';
 import { CAMERA_BIRDSEYE } from '../../const';
 import { CameraConfig, RecordingSegment } from '../../types';
-import { MediaQueries, MediaQueriesResults } from '../../view';
+import { MediaQueries, MediaQueriesClassifier, MediaQueriesResults } from '../../view';
 import { ViewMedia, ViewMediaClassifier, ViewMediaFactory } from '../../view-media';
 import { errorToConsole } from '../../utils/basic';
 import { RecordingSegmentsCache } from '../cache';
@@ -362,9 +362,9 @@ export class FrigateCameraManagerEngine implements CameraManagerEngine {
     results: MediaQueriesResults,
   ): boolean {
     let freshThreshold: number | null = null;
-    if (queries.areEventQueries()) {
+    if (MediaQueriesClassifier.areEventQueries(queries)) {
       freshThreshold = EVENT_REQUEST_CACHE_MAX_AGE_SECONDS;
-    } else if (queries.areRecordingQueries()) {
+    } else if (MediaQueriesClassifier.areRecordingQueries(queries)) {
       freshThreshold = RECORDING_SUMMARY_REQUEST_CACHE_MAX_AGE_SECONDS;
     }
     const now = new Date();

src/components/timeline-core.ts

@@ -50,7 +50,7 @@ import {
   generateMediaViewerContext,
 } from '../utils/media-to-view';
 import { CameraManager } from '../camera/manager';
-import { EventMediaQueries, MediaQueries, View } from '../view';
+import { EventMediaQueries, MediaQueries, MediaQueriesClassifier, View } from '../view';
 import { dispatchMessageEvent } from './message.js';
 import './thumbnail.js';
 import { FrigateCardTimelineItem, TimelineDataSource } from '../utils/timeline-source';
@@ -435,7 +435,9 @@ export class FrigateCardTimelineCore extends LitElement {
    * Called whenever the timeline is clicked.
    * @param properties The properties of the timeline click event.
    */
-  protected async _timelineClickHandler(properties: TimelineEventPropertiesResult): Promise<void> {
+  protected async _timelineClickHandler(
+    properties: TimelineEventPropertiesResult,
+  ): Promise<void> {
     // Calls to stopEventFromActivatingCardWideActions() are included for
     // completeness. Timeline does not support card-wide events and they are
     // disabled in card.ts in `_getMergedActions`.
@@ -496,7 +498,7 @@ export class FrigateCardTimelineCore extends LitElement {
     } else if (
       properties.item &&
       properties.what === 'item' &&
-      this.view.query?.areRecordingQueries()
+      MediaQueriesClassifier.areRecordingQueries(this.view.query)
     ) {
       const eventView = await this._createViewWithEventMediaQuery(
         this._createEventMediaQuerys(),
@@ -592,7 +594,11 @@ export class FrigateCardTimelineCore extends LitElement {
     // Don't show event thumbnails if the user is looking at recordings,
     // as the recording "hours" are the media, not the event
     // clips/snapshots.
-    if (this._timeline && this.view && !this.view.query?.areRecordingQueries()) {
+    if (
+      this._timeline &&
+      this.view &&
+      !MediaQueriesClassifier.areRecordingQueries(this.view.query)
+    ) {
       (
         await this._createViewWithEventMediaQuery(
           this._createEventMediaQuerys({ window: prefetchedWindow }),
@@ -954,7 +960,7 @@ export class FrigateCardTimelineCore extends LitElement {
 
     if (
       !this.mini &&
-      !this.view.query?.areRecordingQueries() &&
+      !MediaQueriesClassifier.areRecordingQueries(this.view.query) &&
       freshMediaQuery &&
       !this._alreadyHasAcceptableMediaQuery(freshMediaQuery)
     ) {

src/components/viewer.ts

@@ -30,7 +30,7 @@ import { stopEventFromActivatingCardWideActions } from '../utils/action.js';
 import { contentsChanged } from '../utils/basic.js';
 import { getFullDependentBrowseMediaQueryParametersOrDispatchError } from '../utils/ha/browse-media.js';
 import { ResolvedMediaCache, resolveMedia } from '../utils/ha/resolved-media.js';
-import { MediaQueriesResults, View } from '../view.js';
+import { MediaQueriesClassifier, MediaQueriesResults, View } from '../view.js';
 import { AutoMediaPlugin } from './embla-plugins/automedia.js';
 import { Lazyload } from './embla-plugins/lazyload.js';
 import {
@@ -372,7 +372,7 @@ export class FrigateCardViewerCarousel extends LitElement {
       // the other media items do).
       !ViewMediaClassifier.isFrigateEvent(media) ||
       !media.hasClip() ||
-      !this.view.query?.areEventQueries()
+      !MediaQueriesClassifier.areEventQueries(this.view.query)
     ) {
       return null;
     }

src/view.ts

@@ -4,7 +4,6 @@
 //  - TODO: Should be able to set live media to 'all' and have it work.
 //  - TODO: Are there elements of ViewMedia (e.g. getEventCount) that should be moved into subclasses (e.g. a recording subclass).
 //  - TODO: In MediaQueriesBase, do we need to generic? Just have T be a MediaQuery?
-//  - TODO: Are areEventQueries and areRecordingQueries should be in a classifier to keep with the pattern used elsewhere.
 //  - TODO: In the viewer @click handlers should I use this.selected instead of calling carouselScrollPrevious()
 
 // Medium:
@@ -24,7 +23,6 @@
 //  - TODO: What should the timeline do when an event is clicked on that is not in the queryResults (or if queryResults is empty)?
 //  - TODO: Should the timeline data source clear events (as it currently does) when the query changes?
 
-
 import isEqual from 'lodash-es/isEqual';
 import clone from 'lodash-es/clone.js';
 import cloneDeep from 'lodash-es/cloneDeep.js';
@@ -52,6 +50,20 @@ export interface ViewParameters extends ViewEvolveParameters {
   camera: string;
 }
 
+export class MediaQueriesClassifier {
+  public static areEventQueries(
+    queries?: MediaQueries | null,
+  ): queries is EventMediaQueries {
+    return queries instanceof EventMediaQueries;
+  }
+
+  public static areRecordingQueries(
+    queries?: MediaQueries | null,
+  ): queries is RecordingMediaQueries {
+    return queries instanceof RecordingMediaQueries;
+  }
+}
+
 export class MediaQueriesBase<T extends MediaQuery> {
   protected _queries: T[] | null = null;
 
@@ -69,14 +81,6 @@ export class MediaQueriesBase<T extends MediaQuery> {
     return isEqual(this.getQueries(), that.getQueries());
   }
 
-  public areEventQueries(): this is EventMediaQueries {
-    return this instanceof EventMediaQueries;
-  }
-
-  public areRecordingQueries(): this is RecordingMediaQueries {
-    return this instanceof RecordingMediaQueries;
-  }
-
   public getQueries(): T[] | null {
     return this._queries;
   }
@@ -177,7 +181,10 @@ export class MediaQueriesResults {
   }
 
   public selectResult(index: number | null): MediaQueriesResults {
-    if (index === null || (this._results && index >= 0 && index < this._results.length)) {
+    if (
+      index === null ||
+      (this._results && index >= 0 && index < this._results.length)
+    ) {
       this._selectedIndex = index;
     }
     return this;