308 lines
7.9 KiB
TypeScript
308 lines
7.9 KiB
TypeScript
import { ensureArray } from "../../../common/array/ensure-array";
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import { isValidEntityId } from "../../../common/entity/valid_entity_id";
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import { UNAVAILABLE } from "../../../data/entity";
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import { HomeAssistant } from "../../../types";
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export type Condition =
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| NumericStateCondition
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| StateCondition
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| ScreenCondition
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| UserCondition
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| OrCondition
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| AndCondition;
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// Legacy conditional card condition
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export interface LegacyCondition {
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entity?: string;
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state?: string | string[];
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state_not?: string | string[];
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}
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interface BaseCondition {
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condition: string;
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}
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export interface NumericStateCondition extends BaseCondition {
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condition: "numeric_state";
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entity?: string;
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below?: string | number;
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above?: string | number;
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}
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export interface StateCondition extends BaseCondition {
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condition: "state";
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entity?: string;
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state?: string | string[];
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state_not?: string | string[];
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}
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export interface ScreenCondition extends BaseCondition {
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condition: "screen";
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media_query?: string;
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}
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export interface UserCondition extends BaseCondition {
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condition: "user";
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users?: string[];
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}
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export interface OrCondition extends BaseCondition {
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condition: "or";
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conditions?: Condition[];
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}
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export interface AndCondition extends BaseCondition {
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condition: "and";
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conditions?: Condition[];
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}
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function getValueFromEntityId(
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hass: HomeAssistant,
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value: string | string[]
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): string | string[] {
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if (
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typeof value === "string" &&
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isValidEntityId(value) &&
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hass.states[value]
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) {
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value = hass.states[value]?.state;
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} else if (Array.isArray(value)) {
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value = value.map((v) => getValueFromEntityId(hass, v) as string);
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}
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return value;
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}
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function checkStateCondition(
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condition: StateCondition | LegacyCondition,
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hass: HomeAssistant
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) {
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const state =
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condition.entity && hass.states[condition.entity]
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? hass.states[condition.entity].state
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: UNAVAILABLE;
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let value = condition.state ?? condition.state_not;
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// Handle entity_id, UI should be updated for conditionnal card (filters does not have UI for now)
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if (Array.isArray(value) || typeof value === "string") {
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value = getValueFromEntityId(hass, value);
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}
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return condition.state != null
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? ensureArray(value).includes(state)
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: !ensureArray(value).includes(state);
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}
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function checkStateNumericCondition(
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condition: NumericStateCondition,
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hass: HomeAssistant
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) {
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const state = (condition.entity ? hass.states[condition.entity] : undefined)
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?.state;
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let above = condition.above;
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let below = condition.below;
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// Handle entity_id, UI should be updated for conditionnal card (filters does not have UI for now)
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if (typeof above === "string") {
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above = getValueFromEntityId(hass, above) as string;
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}
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if (typeof below === "string") {
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below = getValueFromEntityId(hass, below) as string;
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}
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const numericState = Number(state);
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const numericAbove = Number(above);
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const numericBelow = Number(below);
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if (isNaN(numericState)) {
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return false;
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}
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return (
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(condition.above == null ||
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isNaN(numericAbove) ||
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numericAbove < numericState) &&
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(condition.below == null ||
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isNaN(numericBelow) ||
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numericBelow > numericState)
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);
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}
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function checkScreenCondition(condition: ScreenCondition, _: HomeAssistant) {
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return condition.media_query
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? matchMedia(condition.media_query).matches
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: false;
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}
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function checkUserCondition(condition: UserCondition, hass: HomeAssistant) {
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return condition.users && hass.user?.id
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? condition.users.includes(hass.user.id)
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: false;
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}
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function checkAndCondition(condition: AndCondition, hass: HomeAssistant) {
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if (!condition.conditions) return true;
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return checkConditionsMet(condition.conditions, hass);
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}
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function checkOrCondition(condition: OrCondition, hass: HomeAssistant) {
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if (!condition.conditions) return true;
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return condition.conditions.some((c) => checkConditionsMet([c], hass));
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}
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/**
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* Return the result of applying conditions
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* @param conditions conditions to apply
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* @param hass Home Assistant object
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* @returns true if conditions are respected
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*/
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export function checkConditionsMet(
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conditions: (Condition | LegacyCondition)[],
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hass: HomeAssistant
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): boolean {
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return conditions.every((c) => {
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if ("condition" in c) {
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switch (c.condition) {
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case "screen":
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return checkScreenCondition(c, hass);
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case "user":
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return checkUserCondition(c, hass);
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case "numeric_state":
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return checkStateNumericCondition(c, hass);
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case "and":
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return checkAndCondition(c, hass);
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case "or":
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return checkOrCondition(c, hass);
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default:
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return checkStateCondition(c, hass);
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}
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}
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return checkStateCondition(c, hass);
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});
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}
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export function extractConditionEntityIds(
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conditions: Condition[]
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): Set<string> {
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const entityIds: Set<string> = new Set();
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for (const condition of conditions) {
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if (condition.condition === "numeric_state") {
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if (
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typeof condition.above === "string" &&
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isValidEntityId(condition.above)
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) {
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entityIds.add(condition.above);
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}
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if (
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typeof condition.below === "string" &&
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isValidEntityId(condition.below)
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) {
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entityIds.add(condition.below);
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}
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} else if (condition.condition === "state") {
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[
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...(ensureArray(condition.state) ?? []),
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...(ensureArray(condition.state_not) ?? []),
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].forEach((state) => {
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if (!!state && isValidEntityId(state)) {
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entityIds.add(state);
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}
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});
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} else if ("conditions" in condition && condition.conditions) {
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return new Set([
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...entityIds,
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...extractConditionEntityIds(condition.conditions),
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]);
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}
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}
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return entityIds;
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}
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function validateStateCondition(condition: StateCondition | LegacyCondition) {
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return (
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condition.entity != null &&
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(condition.state != null || condition.state_not != null)
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);
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}
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function validateScreenCondition(condition: ScreenCondition) {
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return condition.media_query != null;
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}
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function validateUserCondition(condition: UserCondition) {
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return condition.users != null;
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}
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function validateAndCondition(condition: AndCondition) {
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return condition.conditions != null;
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}
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function validateOrCondition(condition: OrCondition) {
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return condition.conditions != null;
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}
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function validateNumericStateCondition(condition: NumericStateCondition) {
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return (
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condition.entity != null &&
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(condition.above != null || condition.below != null)
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);
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}
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/**
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* Validate the conditions config for the UI
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* @param conditions conditions to apply
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* @returns true if conditions are validated
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*/
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export function validateConditionalConfig(
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conditions: (Condition | LegacyCondition)[]
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): boolean {
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return conditions.every((c) => {
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if ("condition" in c) {
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switch (c.condition) {
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case "screen":
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return validateScreenCondition(c);
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case "user":
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return validateUserCondition(c);
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case "numeric_state":
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return validateNumericStateCondition(c);
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case "and":
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return validateAndCondition(c);
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case "or":
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return validateOrCondition(c);
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default:
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return validateStateCondition(c);
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}
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}
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return validateStateCondition(c);
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});
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}
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/**
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* Build a condition for filters
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* @param condition condition to apply
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* @param entityId base the condition on that entity
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* @returns a new condition with entity id
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*/
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export function addEntityToCondition(
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condition: Condition,
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entityId: string
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): Condition {
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if ("conditions" in condition && condition.conditions) {
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return {
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...condition,
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conditions: condition.conditions.map((c) =>
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addEntityToCondition(c, entityId)
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),
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};
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}
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if (
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condition.condition === "state" ||
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condition.condition === "numeric_state"
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) {
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return {
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...condition,
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entity: entityId,
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};
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}
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return condition;
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}
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