dyson.sh

#!/usr/bin/env bash
set -euo pipefail

# --- Config ---
DYSON_DEVICE=NN2-EU-XXXXXXXX
DYSON_TOKEN=XXXXXXXXXXXXXXXX

INFLUX_HOST=http://127.0.0.1:8086
INFLUX_ORG=home
INFLUX_BUCKET=climate
INFLUX_TOKEN=XXXXXXXXXXXXXXX

UA='DysonLink/198668 CFNetwork/3860.100.1 Darwin/25.0.0'
ACCEPT_LANG='en-US,en;q=0.9'

# --- Helpers ---
post_influx() {
  local precision="${1:-ns}"
  gzip -c | curl -qsS -X POST \
    -H "Authorization: Token ${INFLUX_TOKEN}" \
    -H 'Content-Encoding: gzip' \
    -H 'Content-Type: text/plain; charset=utf-8' \
    -H 'Accept: application/json' \
    --data-binary @- \
    "${INFLUX_HOST}/api/v2/write?org=${INFLUX_ORG}&bucket=${INFLUX_BUCKET}&precision=${precision}"
}

hdrs=(
  -H 'accept: application/json'
  -H 'content-type: application/json'
  -H "authorization: Bearer ${DYSON_TOKEN}"
  -H 'cache-control: no-cache'
  -H "user-agent: ${UA}"
  -H 'priority: u=3, i'
  -H "accept-language: ${ACCEPT_LANG}"
)

# --- 1) Daily history → line protocol (indoors) ---
curl -qsS --fail \
  "${hdrs[@]}" \
  "https://appapi.cp.dyson.com/v1/messageprocessor/devices/${DYSON_DEVICE}/environmentdailyhistory" \
  | jq --arg sensor_id "$DYSON_DEVICE" -r '
      def round(p): . * pow(10; p) | round / pow(10; p);
      def ts_ns($date; $h):
        ($date + "T" + ("0\($h)"[-2:]) + ":00:00Z" | (fromdateiso8601 - 3600) * 1e9 | floor);

      .[] as $day
      | ($day.Temperature | to_entries[] | select(.value != null)) as $h
      | ($day.Aqi[$h.key])      as $aqi
      | ($day.Humidity[$h.key]) as $hum
      | ($day.Usage[$h.key])    as $use
      | select($aqi != null and $hum != null and $use != null)
      | {
          ts:   ts_ns($day.Date; $h.key),
          aqi:  $aqi,
          hum:  $hum,
          temp: (($day.Temperature[$h.key] / 10 - 273) | round(2)),
          use:  $use
        }
      | "indoors,sensor_id=\($sensor_id) aqi=\(.aqi),humidity=\(.hum),temperature=\(.temp),usage=\(.use) \(.ts)"
    ' \
    | post_influx ns >/dev/null

# --- 2) Current outdoor data → line protocol (single line) ---
curl -qsS --fail \
  "${hdrs[@]}" \
  "https://appapi.cp.dyson.com/v1/environment/devices/${DYSON_DEVICE}/data?language=en-US" \
  | jq --arg sensor_id "$DYSON_DEVICE" -r '
      "outdoors,sensor_id=\($sensor_id) " +
      "aqi=\(.AqiValue),pm25=\(.Pm25Value),pm10=\(.Pm10Value),no2=\(.No2Value)," +
      "humidity=\(.Humidity),temperature=\(.Temperature) " +
      " \((.DateTime | fromdateiso8601 * 1e9 | floor))"
    ' \
  | post_influx ns >/dev/null