Use unassigned device summary card

src/components/ha-area-picker.ts

@@ -20,6 +20,7 @@ import { showAlertDialog } from "../dialogs/generic/show-dialog-box";
 import { showAreaRegistryDetailDialog } from "../panels/config/areas/show-dialog-area-registry-detail";
 import type { HomeAssistant, ValueChangedEvent } from "../types";
 import type { HaDevicePickerDeviceFilterFunc } from "./device/ha-device-picker";
+import "./ha-button";
 import "./ha-combo-box-item";
 import "./ha-generic-picker";
 import type { HaGenericPicker } from "./ha-generic-picker";
@@ -95,6 +96,9 @@ export class HaAreaPicker extends LitElement {
 
   @property({ attribute: "add-button-label" }) public addButtonLabel?: string;
 
+  @property({ type: Boolean, attribute: "button-style" })
+  public buttonStyle = false;
+
   @query("ha-generic-picker") private _picker?: HaGenericPicker;
 
   public async open() {
@@ -390,10 +394,26 @@ export class HaAreaPicker extends LitElement {
         )}
         @value-changed=${this._valueChanged}
       >
+        ${this.buttonStyle
+          ? html`<ha-button
+              slot="field"
+              .disabled=${this.disabled}
+              @click=${this._openPicker}
+              appearance="plain"
+              size="small"
+            >
+              ${placeholder}
+            </ha-button>`
+          : nothing}
       </ha-generic-picker>
     `;
   }
 
+  private _openPicker(ev: Event) {
+    ev.stopPropagation();
+    this._picker?.open();
+  }
+
   private _valueChanged(ev: ValueChangedEvent<string>) {
     ev.stopPropagation();
     const value = ev.detail.value;

src/data/device/unassigned_devices.ts

@@ -0,0 +1,15 @@
+import type { DeviceRegistryEntry } from "./device_registry";
+
+export const filterUnassignedDevices = (
+  devices: Record<string, DeviceRegistryEntry>
+): DeviceRegistryEntry[] =>
+  Object.values(devices).filter(
+    (device) =>
+      device.area_id === null &&
+      device.disabled_by === null &&
+      device.entry_type !== "service"
+  );
+
+export const countUnassignedDevices = (
+  devices: Record<string, DeviceRegistryEntry>
+): number => filterUnassignedDevices(devices).length;

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

@@ -795,7 +795,7 @@ export class HaConfigDeviceDashboard extends SubscribeMixin(LitElement) {
         .narrow=${this.narrow}
         .backPath=${this._searchParms.has("historyBack")
           ? undefined
-          : "/config"}
+          : "/config/devices"}
         .tabs=${configSections.devices}
         .route=${this.route}
         .searchLabel=${this.hass.localize(

src/panels/config/devices/ha-config-devices-unassigned.ts

@@ -0,0 +1,367 @@
+import { consume } from "@lit/context";
+import type { CSSResultGroup, TemplateResult } from "lit";
+import { LitElement, css, html, nothing } from "lit";
+
+import { customElement, property, state } from "lit/decorators";
+import memoizeOne from "memoize-one";
+import { storage } from "../../../common/decorators/storage";
+import type { HASSDomEvent } from "../../../common/dom/fire_event";
+import { computeDeviceNameDisplay } from "../../../common/entity/compute_device_name";
+import { navigate } from "../../../common/navigate";
+import type { LocalizeFunc } from "../../../common/translations/localize";
+import type {
+  DataTableColumnContainer,
+  RowClickedEvent,
+  SortingChangedEvent,
+} from "../../../components/data-table/ha-data-table";
+
+import "../../../components/ha-area-picker";
+import type { ConfigEntry } from "../../../data/config_entries";
+import { sortConfigEntries } from "../../../data/config_entries";
+import { fullEntitiesContext } from "../../../data/context";
+import type { DeviceEntityLookup } from "../../../data/device/device_registry";
+import { updateDeviceRegistryEntry } from "../../../data/device/device_registry";
+import { filterUnassignedDevices } from "../../../data/device/unassigned_devices";
+import type { EntityRegistryEntry } from "../../../data/entity/entity_registry";
+import type { IntegrationManifest } from "../../../data/integration";
+import { showAlertDialog } from "../../../dialogs/generic/show-dialog-box";
+import "../../../layouts/hass-tabs-subpage-data-table";
+import type { PageNavigation } from "../../../layouts/hass-tabs-subpage";
+import { haStyle } from "../../../resources/styles";
+import type { HomeAssistant, Route } from "../../../types";
+import { brandsUrl } from "../../../util/brands-url";
+
+const TABS: PageNavigation[] = [
+  {
+    path: "/config/devices/unassigned",
+    translationKey: "ui.panel.config.devices.unassigned.caption",
+  },
+];
+
+@customElement("ha-config-devices-unassigned")
+export class HaConfigDevicesUnassigned extends LitElement {
+  @property({ attribute: false }) public hass!: HomeAssistant;
+
+  @property({ type: Boolean }) public narrow = false;
+
+  @property({ attribute: "is-wide", type: Boolean }) public isWide = false;
+
+  @property({ attribute: false }) public entries!: ConfigEntry[];
+
+  @state()
+  @consume({ context: fullEntitiesContext, subscribe: true })
+  entities!: EntityRegistryEntry[];
+
+  @property({ attribute: false }) public manifests!: IntegrationManifest[];
+
+  @property({ attribute: false }) public route!: Route;
+
+  @state() private _searchParms = new URLSearchParams(window.location.search);
+
+  @state()
+  @storage({
+    storage: "sessionStorage",
+    key: "devices-unassigned-table-search",
+    state: true,
+    subscribe: false,
+  })
+  private _filter = "";
+
+  @storage({
+    key: "devices-unassigned-table-sort",
+    state: false,
+    subscribe: false,
+  })
+  private _activeSorting?: SortingChangedEvent;
+
+  @storage({
+    key: "devices-unassigned-table-grouping",
+    state: false,
+    subscribe: false,
+  })
+  private _activeGrouping?: string;
+
+  @storage({
+    key: "devices-unassigned-table-collapsed",
+    state: false,
+    subscribe: false,
+  })
+  private _activeCollapsed?: string;
+
+  @storage({
+    key: "devices-unassigned-table-column-order",
+    state: false,
+    subscribe: false,
+  })
+  private _activeColumnOrder?: string[];
+
+  @storage({
+    key: "devices-unassigned-table-hidden-columns",
+    state: false,
+    subscribe: false,
+  })
+  private _activeHiddenColumns?: string[];
+
+  private _unassignedDevices = memoizeOne(
+    (
+      devices: HomeAssistant["devices"],
+      entries: ConfigEntry[],
+      entities: EntityRegistryEntry[],
+      localize: LocalizeFunc
+    ) => {
+      const deviceEntityLookup: DeviceEntityLookup<EntityRegistryEntry> = {};
+      for (const entity of entities) {
+        if (!entity.device_id) {
+          continue;
+        }
+        if (!(entity.device_id in deviceEntityLookup)) {
+          deviceEntityLookup[entity.device_id] = [];
+        }
+        deviceEntityLookup[entity.device_id].push(entity);
+      }
+
+      const entryLookup: Record<string, ConfigEntry> = {};
+      for (const entry of entries) {
+        entryLookup[entry.entry_id] = entry;
+      }
+
+      const unassignedDevices = filterUnassignedDevices(devices);
+
+      return unassignedDevices.map((device) => {
+        const deviceEntries = sortConfigEntries(
+          device.config_entries
+            .filter((entId) => entId in entryLookup)
+            .map((entId) => entryLookup[entId]),
+          device.primary_config_entry
+        );
+
+        return {
+          ...device,
+          name: computeDeviceNameDisplay(
+            device,
+            this.hass,
+            deviceEntityLookup[device.id]
+          ),
+          model:
+            device.model ||
+            `<${localize("ui.panel.config.devices.data_table.unknown")}>`,
+          manufacturer:
+            device.manufacturer ||
+            `<${localize("ui.panel.config.devices.data_table.unknown")}>`,
+          integration: deviceEntries.length
+            ? deviceEntries
+                .map(
+                  (entry) =>
+                    localize(`component.${entry.domain}.title`) || entry.domain
+                )
+                .join(", ")
+            : this.hass.localize(
+                "ui.panel.config.devices.data_table.no_integration"
+              ),
+          domains: deviceEntries.map((entry) => entry.domain),
+        };
+      });
+    }
+  );
+
+  private _columns = memoizeOne((localize: LocalizeFunc, narrow: boolean) => {
+    type DeviceItem = ReturnType<typeof this._unassignedDevices>[number];
+
+    const columns: DataTableColumnContainer<DeviceItem> = {
+      icon: {
+        title: "",
+        label: localize("ui.panel.config.devices.data_table.icon"),
+        type: "icon",
+        moveable: false,
+        showNarrow: true,
+        template: (device) =>
+          device.domains.length
+            ? html`<img
+                alt=""
+                crossorigin="anonymous"
+                referrerpolicy="no-referrer"
+                src=${brandsUrl({
+                  domain: device.domains[0],
+                  type: "icon",
+                  darkOptimized: this.hass.themes?.darkMode,
+                })}
+              />`
+            : "",
+      },
+      name: {
+        title: localize("ui.panel.config.devices.data_table.device"),
+        main: true,
+        sortable: true,
+        filterable: true,
+        direction: "asc",
+        flex: 2,
+        minWidth: "150px",
+      },
+      integration: {
+        title: localize("ui.panel.config.devices.data_table.integration"),
+        sortable: true,
+        filterable: true,
+        groupable: true,
+        minWidth: "120px",
+      },
+      manufacturer: {
+        title: localize("ui.panel.config.devices.data_table.manufacturer"),
+        sortable: true,
+        filterable: true,
+        groupable: true,
+        minWidth: "120px",
+        defaultHidden: narrow,
+      },
+      model: {
+        title: localize("ui.panel.config.devices.data_table.model"),
+        sortable: true,
+        filterable: true,
+        minWidth: "120px",
+        defaultHidden: narrow,
+      },
+      assign: {
+        title: "",
+        label: localize("ui.panel.config.devices.unassigned.assign"),
+        type: "overflow-menu",
+        moveable: false,
+        showNarrow: true,
+        minWidth: "150px",
+        template: (device) => html`
+          <ha-area-picker
+            .hass=${this.hass}
+            data-device-id=${device.id}
+            .placeholder=${localize(
+              "ui.panel.config.devices.unassigned.assign"
+            )}
+            no-add
+            button-style
+            @value-changed=${this._assignArea}
+          ></ha-area-picker>
+        `,
+      },
+    };
+
+    return columns;
+  });
+
+  protected render(): TemplateResult {
+    if (!this.hass || !this.entries || !this.entities) {
+      return nothing as unknown as TemplateResult;
+    }
+
+    const devicesOutput = this._unassignedDevices(
+      this.hass.devices,
+      this.entries,
+      this.entities,
+      this.hass.localize
+    );
+
+    return html`
+      <hass-tabs-subpage-data-table
+        .hass=${this.hass}
+        .narrow=${this.narrow}
+        .backPath=${this._searchParms.has("historyBack")
+          ? undefined
+          : "/config/devices/dashboard"}
+        .tabs=${TABS}
+        .route=${this.route}
+        .searchLabel=${this.hass.localize(
+          "ui.panel.config.devices.unassigned.search",
+          { number: devicesOutput.length }
+        )}
+        .columns=${this._columns(this.hass.localize, this.narrow)}
+        .data=${devicesOutput}
+        .filter=${this._filter}
+        .initialGroupColumn=${this._activeGrouping}
+        .initialCollapsedGroups=${this._activeCollapsed}
+        .initialSorting=${this._activeSorting}
+        .columnOrder=${this._activeColumnOrder}
+        .hiddenColumns=${this._activeHiddenColumns}
+        @columns-changed=${this._handleColumnsChanged}
+        @search-changed=${this._handleSearchChange}
+        @sorting-changed=${this._handleSortingChanged}
+        @grouping-changed=${this._handleGroupingChanged}
+        @collapsed-changed=${this._handleCollapseChanged}
+        @row-click=${this._handleRowClicked}
+        clickable
+        class=${this.narrow ? "narrow" : ""}
+        .noDataText=${this.hass.localize(
+          "ui.panel.config.devices.unassigned.no_devices"
+        )}
+      >
+      </hass-tabs-subpage-data-table>
+    `;
+  }
+
+  private _handleRowClicked(ev: HASSDomEvent<RowClickedEvent>) {
+    const deviceId = ev.detail.id;
+    navigate(`/config/devices/device/${deviceId}`);
+  }
+
+  private _handleSearchChange(ev: CustomEvent) {
+    this._filter = ev.detail.value;
+  }
+
+  private _assignArea = async (ev: CustomEvent) => {
+    const areaPicker = ev.currentTarget as any;
+    const deviceId = areaPicker.dataset.deviceId;
+    const areaId = ev.detail.value;
+
+    if (!areaId || !deviceId) {
+      return;
+    }
+
+    // Reset the picker
+    areaPicker.value = undefined;
+
+    try {
+      await updateDeviceRegistryEntry(this.hass, deviceId, {
+        area_id: areaId,
+      });
+    } catch (err: any) {
+      showAlertDialog(this, {
+        text: err.message || "Unknown error",
+      });
+    }
+  };
+
+  private _handleSortingChanged(ev: CustomEvent) {
+    this._activeSorting = ev.detail;
+  }
+
+  private _handleGroupingChanged(ev: CustomEvent) {
+    this._activeGrouping = ev.detail.value;
+  }
+
+  private _handleCollapseChanged(ev: CustomEvent) {
+    this._activeCollapsed = ev.detail.value;
+  }
+
+  private _handleColumnsChanged(ev: CustomEvent) {
+    this._activeColumnOrder = ev.detail.columnOrder;
+    this._activeHiddenColumns = ev.detail.hiddenColumns;
+  }
+
+  static get styles(): CSSResultGroup {
+    return [
+      css`
+        :host {
+          display: block;
+        }
+        hass-tabs-subpage-data-table {
+          --data-table-row-height: 60px;
+        }
+        hass-tabs-subpage-data-table.narrow {
+          --data-table-row-height: 72px;
+        }
+      `,
+      haStyle,
+    ];
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "ha-config-devices-unassigned": HaConfigDevicesUnassigned;
+  }
+}

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

@@ -8,6 +8,7 @@ import { HassRouterPage } from "../../../layouts/hass-router-page";
 import type { HomeAssistant } from "../../../types";
 import "./ha-config-device-page";
 import "./ha-config-devices-dashboard";
+import "./ha-config-devices-unassigned";
 
 @customElement("ha-config-devices")
 class HaConfigDevices extends HassRouterPage {
@@ -26,6 +27,10 @@ class HaConfigDevices extends HassRouterPage {
         tag: "ha-config-devices-dashboard",
         cache: true,
       },
+      unassigned: {
+        tag: "ha-config-devices-unassigned",
+        cache: true,
+      },
       device: {
         tag: "ha-config-device-page",
       },

src/panels/lovelace/cards/hui-home-summary-card.ts

@@ -15,6 +15,7 @@ import "../../../components/ha-icon";
 import "../../../components/ha-ripple";
 import "../../../components/tile/ha-tile-icon";
 import "../../../components/tile/ha-tile-info";
+import { countUnassignedDevices } from "../../../data/device/unassigned_devices";
 import type { ActionHandlerEvent } from "../../../data/lovelace/action_handler";
 import "../../../state-display/state-display";
 import type { HomeAssistant } from "../../../types";
@@ -35,6 +36,7 @@ const COLORS: Record<HomeSummary, string> = {
   climate: "deep-orange",
   security: "blue-grey",
   media_players: "blue",
+  unassigned_devices: "grey",
 };
 
 @customElement("hui-home-summary-card")
@@ -214,6 +216,13 @@ export class HuiHomeSummaryCard extends LitElement implements LovelaceCard {
             })
           : this.hass.localize("ui.card.home-summary.no_media_playing");
       }
+      case "unassigned_devices": {
+        const count = countUnassignedDevices(this.hass.devices);
+        return this.hass.localize(
+          "ui.card.home-summary.count_unassigned_devices",
+          { count }
+        );
+      }
     }
     return "";
   }

src/panels/lovelace/strategies/home/helpers/home-summaries.ts

@@ -9,6 +9,7 @@ export const HOME_SUMMARIES = [
   "climate",
   "security",
   "media_players",
+  "unassigned_devices",
 ] as const;
 
 export type HomeSummary = (typeof HOME_SUMMARIES)[number];
@@ -18,6 +19,7 @@ export const HOME_SUMMARIES_ICONS: Record<HomeSummary, string> = {
   climate: "mdi:home-thermometer",
   security: "mdi:security",
   media_players: "mdi:multimedia",
+  unassigned_devices: "mdi:devices",
 };
 
 export const HOME_SUMMARIES_FILTERS: Record<HomeSummary, EntityFilter[]> = {
@@ -25,6 +27,7 @@ export const HOME_SUMMARIES_FILTERS: Record<HomeSummary, EntityFilter[]> = {
   climate: climateEntityFilters,
   security: securityEntityFilters,
   media_players: [{ domain: "media_player", entity_category: "none" }],
+  unassigned_devices: [], // Device-based, not entity-based
 };
 
 export const getSummaryLabel = (

src/panels/lovelace/strategies/home/home-overview-view-strategy.ts

@@ -24,6 +24,7 @@ import type {
   WeatherForecastCardConfig,
 } from "../../cards/types";
 import type { CommonControlSectionStrategyConfig } from "../usage_prediction/common-controls-section-strategy";
+import { countUnassignedDevices } from "../../../../data/device/unassigned_devices";
 import { HOME_SUMMARIES_FILTERS } from "./helpers/home-summaries";
 import type { Condition } from "../../common/validate-condition";
 
@@ -170,6 +171,10 @@ export class HomeOverviewViewStrategy extends ReactiveElement {
     const hasClimate = findEntities(allEntities, climateFilters).length > 0;
     const hasSecurity = findEntities(allEntities, securityFilters).length > 0;
 
+    const unassignedDevicesCount = countUnassignedDevices(hass.devices);
+    const hasUnassignedDevices =
+      hass.user?.is_admin && unassignedDevicesCount > 0;
+
     const summaryCards: LovelaceCardConfig[] = [
       hasLights &&
         ({
@@ -219,6 +224,18 @@ export class HomeOverviewViewStrategy extends ReactiveElement {
             columns: 12,
           },
         } satisfies HomeSummaryCard),
+      hasUnassignedDevices &&
+        ({
+          type: "home-summary",
+          summary: "unassigned_devices",
+          tap_action: {
+            action: "navigate",
+            navigation_path: "/config/devices/unassigned?historyBack=1",
+          },
+          grid_options: {
+            columns: 12,
+          },
+        } satisfies HomeSummaryCard),
     ].filter(Boolean) as LovelaceCardConfig[];
 
     const forYouSection: LovelaceSectionConfig = {

src/translations/en.json

@@ -212,7 +212,8 @@
         "count_alarms_disarmed": "{count} {count, plural,\n one {disarmed}\n other {disarmed}\n}",
         "all_secure": "All secure",
         "no_media_playing": "No media playing",
-        "count_media_playing": "{count} {count, plural,\n one {playing}\n other {playing}\n}"
+        "count_media_playing": "{count} {count, plural,\n one {playing}\n other {playing}\n}",
+        "count_unassigned_devices": "{count} {count, plural,\n one {device}\n other {devices}\n}"
       },
       "media_player": {
         "source": "Source",
@@ -5494,6 +5495,12 @@
               }
             }
           },
+          "unassigned": {
+            "caption": "Unassigned devices",
+            "search": "Search {number} unassigned {number, plural,\n  one {device}\n  other {devices}\n}",
+            "no_devices": "All devices are assigned to areas",
+            "assign": "Assign to area"
+          },
           "esphome": {
             "show_encryption_key": "Show encryption key",
             "encryption_key_title": "ESPHome Encryption Key",
@@ -7148,7 +7155,8 @@
           },
           "home": {
             "summary_list": {
-              "media_players": "Media players"
+              "media_players": "Media players",
+              "unassigned_devices": "Unassigned devices"
             },
             "welcome_user": "Welcome {user}",
             "summaries": "Summaries",