Files
dpu-api/src/homeassistant/service.ts
2026-02-05 00:53:23 +01:00

116 lines
3.5 KiB
TypeScript

import {
API_HA_DeskPosition,
BaseService,
type HomeAssistantDeskPositionResult,
type HomeAssistantEntity,
type ServiceResult,
} from "@dpu/shared";
import { logWarning } from "@dpu/shared/dist/logger.js";
import { calculateSecondsBetween } from "@dpu/shared/dist/timehelper.js";
import { Config } from "../config.js";
import type { HomeAssistantClient } from "./client.js";
export class HomeAssistantService extends BaseService<HomeAssistantClient> {
async startStandingAutomation(): Promise<ServiceResult<unknown | string>> {
try {
const positionResult = await this.getDeskPosition();
if (!positionResult.successful) {
throw Error(positionResult.result as string);
}
const position = positionResult.result as HomeAssistantDeskPositionResult;
if (position.as_boolean) {
throw Error(
`desk is already in standing position and has been for ${position.last_changed.toReadable(true)}`,
);
}
if (position.last_changed.seconds < 300) {
throw Error("desk has moved too recently");
}
const result = await this.getClient().triggerWebhook(
Config.homeassistant.id_webhook_stand,
);
return this.getSuccessfulResult(result);
} catch (error) {
const error_message = `error starting stand automation. ${error instanceof Error ? error.message : error}`;
logWarning(error_message);
return this.getErrorResult(error_message);
}
}
async getDeskPosition(): Promise<
ServiceResult<HomeAssistantDeskPositionResult | string>
> {
try {
const raw = await this.getClient().getEntityState(
Config.homeassistant.id_desk_sensor_binary,
);
const position = Number(raw.state);
const result = {
raw,
as_boolean: position === 1,
as_text: () => {
if (position === 1) return "standing";
if (position === 0) return "sitting";
return "unknown";
},
last_changed: calculateSecondsBetween(
new Date(raw.last_changed).getTime(),
Date.now(),
),
};
return this.getSuccessfulResult(result);
} catch (error) {
const error_message = "error getting desk position";
logWarning(error_message, error);
return this.getErrorResult(error_message);
}
}
convertPosResultToApiAnswer(position: HomeAssistantDeskPositionResult): API_HA_DeskPosition {
return {
position: position.as_text(),
is_standing: position.as_boolean,
last_changed: position.last_changed.toReadable(true),
}
}
async getTemperatureText(): Promise<ServiceResult<string>> {
try {
const entities = await this.getTemperatures();
const values = entities
.map((entity) => parseFloat(entity.state))
.filter((value) => !Number.isNaN(value));
const average =
values.length > 0
? values.reduce((sum, value) => sum + value, 0) / values.length
: 0;
const result = average.toFixed(2);
return this.getSuccessfulResult(result);
} catch (error) {
const error_message = "error getting temperature as text";
logWarning(error_message, error);
return this.getErrorResult(error_message);
}
}
private async getTemperatures(): Promise<HomeAssistantEntity[]> {
try {
return await this.getClient().getEntityStates(
Config.homeassistant.id_room_sensors,
);
} catch (error) {
logWarning("error getting temperatures:", error);
return [];
}
}
}