Show entities on area page

src/panels/config/areas/ha-config-area-page.ts

@@ -22,12 +22,16 @@ import {
 import {
   computeDeviceName,
   DeviceRegistryEntry,
-  devicesInArea,
 } from "../../../data/device_registry";
+import {
+  computeEntityRegistryName,
+  EntityRegistryEntry,
+} from "../../../data/entity_registry";
 import { findRelated, RelatedResult } from "../../../data/search";
 import { showConfirmationDialog } from "../../../dialogs/generic/show-dialog-box";
 import { haStyle } from "../../../resources/styles";
 import { HomeAssistant, Route } from "../../../types";
+import { showEntityEditorDialog } from "../entities/show-dialog-entity-editor";
 import { configSections } from "../ha-panel-config";
 import {
   loadAreaRegistryDetailDialog,
@@ -44,6 +48,8 @@ class HaConfigAreaPage extends LitElement {
 
   @property() public devices!: DeviceRegistryEntry[];
 
+  @property() public entities!: EntityRegistryEntry[];
+
   @property({ type: Boolean, reflect: true }) public narrow!: boolean;
 
   @property() public isWide!: boolean;
@@ -58,9 +64,39 @@ class HaConfigAreaPage extends LitElement {
     | AreaRegistryEntry
     | undefined => areas.find((area) => area.area_id === areaId));
 
-  private _devices = memoizeOne(
-    (areaId: string, devices: DeviceRegistryEntry[]): DeviceRegistryEntry[] =>
-      devicesInArea(devices, areaId)
+  private _memberships = memoizeOne(
+    (
+      areaId: string,
+      registryDevices: DeviceRegistryEntry[],
+      registryEntities: EntityRegistryEntry[]
+    ) => {
+      const devices = new Map();
+
+      for (const device of registryDevices) {
+        if (device.area_id === areaId) {
+          devices.set(device.id, device);
+        }
+      }
+
+      const entities: EntityRegistryEntry[] = [];
+      const indirectEntities: EntityRegistryEntry[] = [];
+
+      for (const entity of registryEntities) {
+        if (entity.area_id) {
+          if (entity.area_id === areaId) {
+            entities.push(entity);
+          }
+        } else if (devices.has(entity.device_id)) {
+          indirectEntities.push(entity);
+        }
+      }
+
+      return {
+        devices: Array.from(devices.values()),
+        entities,
+        indirectEntities,
+      };
+    }
   );
 
   protected firstUpdated(changedProps) {
@@ -87,7 +123,11 @@ class HaConfigAreaPage extends LitElement {
       `;
     }
 
-    const devices = this._devices(this.areaId, this.devices);
+    const { devices, entities } = this._memberships(
+      this.areaId,
+      this.devices,
+      this.entities
+    );
 
     return html`
       <hass-tabs-subpage
@@ -144,6 +184,33 @@ class HaConfigAreaPage extends LitElement {
                     >
                   `}
             </ha-card>
+            <ha-card
+              .header=${this.hass.localize(
+                "ui.panel.config.areas.editor.linked_entities_caption"
+              )}
+              >${entities.length
+                ? entities.map(
+                    (entity) =>
+                      html`
+                        <paper-item
+                          @click=${this._openEntity}
+                          .entity=${entity}
+                        >
+                          <paper-item-body>
+                            ${computeEntityRegistryName(this.hass, entity)}
+                          </paper-item-body>
+                          <ha-icon-next></ha-icon-next>
+                        </paper-item>
+                      `
+                  )
+                : html`
+                    <paper-item class="no-link"
+                      >${this.hass.localize(
+                        "ui.panel.config.areas.editor.no_linked_entities"
+                      )}</paper-item
+                    >
+                  `}
+            </ha-card>
           </div>
           <div class="column">
             ${isComponentLoaded(this.hass, "automation")
@@ -299,6 +366,14 @@ class HaConfigAreaPage extends LitElement {
     this._openDialog(entry);
   }
 
+  private _openEntity(ev) {
+    const entry: EntityRegistryEntry = (ev.currentTarget as any).entity;
+    showEntityEditorDialog(this, {
+      entity_id: entry.entity_id,
+      entry,
+    });
+  }
+
   private _openDialog(entry?: AreaRegistryEntry) {
     showAreaRegistryDetailDialog(this, {
       entry,

src/panels/config/areas/ha-config-areas-dashboard.ts

@@ -24,10 +24,8 @@ import {
   AreaRegistryEntry,
   createAreaRegistryEntry,
 } from "../../../data/area_registry";
-import {
-  DeviceRegistryEntry,
-  devicesInArea,
-} from "../../../data/device_registry";
+import type { DeviceRegistryEntry } from "../../../data/device_registry";
+import type { EntityRegistryEntry } from "../../../data/entity_registry";
 import { showAlertDialog } from "../../../dialogs/generic/show-dialog-box";
 import "../../../layouts/hass-loading-screen";
 import "../../../layouts/hass-tabs-subpage-data-table";
@@ -53,12 +51,39 @@ export class HaConfigAreasDashboard extends LitElement {
 
   @property() public devices!: DeviceRegistryEntry[];
 
+  @property() public entities!: EntityRegistryEntry[];
+
   private _areas = memoizeOne(
-    (areas: AreaRegistryEntry[], devices: DeviceRegistryEntry[]) => {
+    (
+      areas: AreaRegistryEntry[],
+      devices: DeviceRegistryEntry[],
+      entities: EntityRegistryEntry[]
+    ) => {
       return areas.map((area) => {
+        const devicesInArea = new Set();
+
+        for (const device of devices) {
+          if (device.area_id === area.area_id) {
+            devicesInArea.add(device.id);
+          }
+        }
+
+        let entitiesInArea = 0;
+
+        for (const entity of entities) {
+          if (
+            entity.area_id
+              ? entity.area_id === area.area_id
+              : devicesInArea.has(entity.device_id)
+          ) {
+            entitiesInArea++;
+          }
+        }
+
         return {
           ...area,
-          devices: devicesInArea(devices, area.area_id).length,
+          devices: devicesInArea.size,
+          entities: entitiesInArea,
         };
       });
     }
@@ -97,6 +122,15 @@ export class HaConfigAreasDashboard extends LitElement {
               width: "20%",
               direction: "asc",
             },
+            entities: {
+              title: this.hass.localize(
+                "ui.panel.config.areas.data_table.entities"
+              ),
+              sortable: true,
+              type: "numeric",
+              width: "20%",
+              direction: "asc",
+            },
           }
   );
 
@@ -110,7 +144,7 @@ export class HaConfigAreasDashboard extends LitElement {
         .tabs=${configSections.integrations}
         .route=${this.route}
         .columns=${this._columns(this.narrow)}
-        .data=${this._areas(this.areas, this.devices)}
+        .data=${this._areas(this.areas, this.devices, this.entities)}
         @row-click=${this._handleRowClicked}
         .noDataText=${this.hass.localize(
           "ui.panel.config.areas.picker.no_areas"

src/panels/config/areas/ha-config-areas.ts

@@ -15,6 +15,10 @@ import {
   DeviceRegistryEntry,
   subscribeDeviceRegistry,
 } from "../../../data/device_registry";
+import {
+  EntityRegistryEntry,
+  subscribeEntityRegistry,
+} from "../../../data/entity_registry";
 import {
   HassRouterPage,
   RouterOptions,
@@ -51,6 +55,9 @@ class HaConfigAreas extends HassRouterPage {
   @internalProperty()
   private _deviceRegistryEntries: DeviceRegistryEntry[] = [];
 
+  @internalProperty()
+  private _entityRegistryEntries: EntityRegistryEntry[] = [];
+
   @internalProperty() private _areas: AreaRegistryEntry[] = [];
 
   private _unsubs?: UnsubscribeFunc[];
@@ -90,6 +97,7 @@ class HaConfigAreas extends HassRouterPage {
 
     pageEl.entries = this._configEntries;
     pageEl.devices = this._deviceRegistryEntries;
+    pageEl.entities = this._entityRegistryEntries;
     pageEl.areas = this._areas;
     pageEl.narrow = this.narrow;
     pageEl.isWide = this.isWide;
@@ -113,6 +121,9 @@ class HaConfigAreas extends HassRouterPage {
       subscribeDeviceRegistry(this.hass.connection, (entries) => {
         this._deviceRegistryEntries = entries;
       }),
+      subscribeEntityRegistry(this.hass.connection, (entries) => {
+        this._entityRegistryEntries = entries;
+      }),
     ];
   }
 }

src/translations/en.json

@@ -886,7 +886,8 @@
           "description": "Group devices and entities into areas",
           "data_table": {
             "area": "Area",
-            "devices": "Devices"
+            "devices": "Devices",
+            "entities": "Entities"
           },
           "picker": {
             "header": "Areas",
@@ -904,7 +905,9 @@
             "name": "Name",
             "name_required": "Name is required",
             "area_id": "Area ID",
-            "unknown_error": "Unknown error"
+            "unknown_error": "Unknown error",
+            "linked_entities_caption": "Entities",
+            "no_linked_entities": "There are no entities linked to this area."
           },
           "delete": {
             "confirmation_title": "Are you sure you want to delete this area?",