Fix history type device class (#14851)

src/data/cached-history.ts

@@ -23,63 +23,8 @@ interface CachedResults {
   data: HistoryResult;
 }
 
-// This is a different interface, a different cache :(
-interface RecentCacheResults {
-  created: number;
-  language: string;
-  data: Promise<HistoryResult>;
-}
-
-const RECENT_THRESHOLD = 60000; // 1 minute
-const RECENT_CACHE: { [cacheKey: string]: RecentCacheResults } = {};
 const stateHistoryCache: { [cacheKey: string]: CachedResults } = {};
 
-// Cached type 1 function. Without cache config.
-export const getRecent = (
-  hass: HomeAssistant,
-  entityId: string,
-  startTime: Date,
-  endTime: Date,
-  localize: LocalizeFunc,
-  language: string
-) => {
-  const cacheKey = entityId;
-  const cache = RECENT_CACHE[cacheKey];
-
-  if (
-    cache &&
-    Date.now() - cache.created < RECENT_THRESHOLD &&
-    cache.language === language
-  ) {
-    return cache.data;
-  }
-
-  const noAttributes = !entityIdHistoryNeedsAttributes(hass, entityId);
-  const prom = fetchRecentWS(
-    hass,
-    entityId,
-    startTime,
-    endTime,
-    false,
-    undefined,
-    true,
-    noAttributes
-  ).then(
-    (stateHistory) => computeHistory(hass, stateHistory, localize),
-    (err) => {
-      delete RECENT_CACHE[entityId];
-      throw err;
-    }
-  );
-
-  RECENT_CACHE[cacheKey] = {
-    created: Date.now(),
-    language,
-    data: prom,
-  };
-  return prom;
-};
-
 // Cache type 2 functionality
 function getEmptyCache(
   language: string,
@@ -97,7 +42,7 @@ function getEmptyCache(
 
 export const getRecentWithCache = (
   hass: HomeAssistant,
-  entityId: string,
+  entityIds: string[],
   cacheConfig: CacheConfig,
   localize: LocalizeFunc,
   language: string
@@ -132,7 +77,9 @@ export const getRecentWithCache = (
   }
 
   const curCacheProm = cache.prom;
-  const noAttributes = !entityIdHistoryNeedsAttributes(hass, entityId);
+  const noAttributes = !entityIds.some((entityId) =>
+    entityIdHistoryNeedsAttributes(hass, entityId)
+  );
 
   const genProm = async () => {
     let fetchedHistory: HistoryStates;
@@ -142,7 +89,7 @@ export const getRecentWithCache = (
         curCacheProm,
         fetchRecentWS(
           hass,
-          entityId,
+          entityIds,
           toFetchStartTime,
           endTime,
           appendingToCache,

src/data/history.ts

@@ -1,4 +1,8 @@
-import { HassEntities, HassEntity } from "home-assistant-js-websocket";
+import {
+  HassEntities,
+  HassEntity,
+  HassEntityAttributeBase,
+} from "home-assistant-js-websocket";
 import { computeDomain } from "../common/entity/compute_domain";
 import { computeStateDisplayFromEntityAttributes } from "../common/entity/compute_state_display";
 import { computeStateNameFromEntityAttributes } from "../common/entity/compute_state_name";
@@ -117,7 +121,7 @@ export const fetchRecent = (
 
 export const fetchRecentWS = (
   hass: HomeAssistant,
-  entityId: string, // This may be CSV
+  entityIds: string[],
   startTime: Date,
   endTime: Date,
   skipInitialState = false,
@@ -133,7 +137,7 @@ export const fetchRecentWS = (
     include_start_time_state: !skipInitialState,
     minimal_response: minimalResponse,
     no_attributes: noAttributes || false,
-    entity_ids: entityId.split(","),
+    entity_ids: entityIds,
   });
 
 export const fetchDate = (
@@ -160,9 +164,9 @@ export const fetchDateWS = (
     start_time: startTime.toISOString(),
     end_time: endTime.toISOString(),
     minimal_response: true,
-    no_attributes: !entityIds
-      .map((entityId) => entityIdHistoryNeedsAttributes(hass, entityId))
-      .reduce((cur, next) => cur || next, false),
+    no_attributes: !entityIds.some((entityId) =>
+      entityIdHistoryNeedsAttributes(hass, entityId)
+    ),
   };
   if (entityIds.length !== 0) {
     return hass.callWS<HistoryStates>({ ...params, entity_ids: entityIds });
@@ -195,13 +199,22 @@ const processTimelineEntity = (
     if (data.length > 0 && state.s === data[data.length - 1].state) {
       continue;
     }
+
+    const currentAttributes: HassEntityAttributeBase = {};
+    if (current_state?.attributes.device_class) {
+      currentAttributes.device_class = current_state?.attributes.device_class;
+    }
+
     data.push({
       state_localize: computeStateDisplayFromEntityAttributes(
         localize,
         language,
         entities,
         entityId,
-        state.a || first.a,
+        {
+          ...(state.a || first.a),
+          ...currentAttributes,
+        },
         state.s
       ),
       state: state.s,

src/dialogs/more-info/ha-more-info-history.ts

@@ -139,7 +139,7 @@ export class MoreInfoHistory extends LitElement {
     }
     this._stateHistory = await getRecentWithCache(
       this.hass!,
-      this.entityId,
+      [this.entityId],
       {
         cacheKey: `more_info.${this.entityId}`,
         hoursToShow: 24,

src/panels/lovelace/cards/hui-history-graph-card.ts

@@ -162,7 +162,7 @@ export class HuiHistoryGraphCard extends LitElement implements LovelaceCard {
       this._stateHistory = {
         ...(await getRecentWithCache(
           this.hass!,
-          this._cacheConfig!.cacheKey,
+          this._configEntities!.map((config) => config.entity),
           this._cacheConfig!,
           this.hass!.localize,
           this.hass!.language