add desk text sensor and change detection

src/commands/impl/position.ts

@@ -1,5 +1,6 @@
 import type { ChatMessage } from "@twurple/chat";
-import { getDeskHeight } from "../../util/api-homeassistant.ts";
+import { getDeskPositionText } from "../../util/api-homeassistant.ts";
+import { calculateSecondsBetween } from "../../util/general.ts";
 import { logSuccess } from "../../util/logger.ts";
 import { BaseCommand } from "../base-command.ts";
 import type { ICommandRequirements } from "../interface.ts";
@@ -21,28 +22,23 @@ export class PositionCommand extends BaseCommand {
     msg: ChatMessage,
   ) => {
     logSuccess(`${channel} ${user} position command triggered`);
-    const position = await getPosition();
-    this.chatClient.say(channel, `darius is ${position} right now`, {
+    const position = await getDeskPositionText();
+    if (position) {
+      const time = calculateSecondsBetween(
+        new Date(position.last_changed).getTime(),
+        Date.now(),
+      ).toReadable(true);
+      this.chatClient.say(
+        channel,
+        `darius has been ${position.state} for ${time}`,
+        {
+          replyTo: msg,
+        },
+      );
+      return;
+    }
+    this.chatClient.say(channel, `darius' position is unkown right now`, {
       replyTo: msg,
     });
   };
 }
-
-async function getPosition(): Promise<string> {
-  const heightFromHA = await getDeskHeight();
-  if (!heightFromHA) {
-    return "unkown";
-  }
-  const height = convertHeightToCentimeters(heightFromHA.state);
-  if (height > 95) {
-    return "standing";
-  } else {
-    return "sitting";
-  }
-}
-
-function convertHeightToCentimeters(height: string): number {
-  const meters = parseFloat(height);
-  const centimeters = Math.round(meters * 100);
-  return centimeters;
-}