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logs for when presence was detected

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Dona Maria Absi
2025-03-27 10:21:55 +03:00
parent b893d8c641
commit 4ae776dd92
1 changed files with 44 additions and 0 deletions
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fact_presence_state_timestamp/fact_presence_state_timestamp.sql Normal file
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/*
* This model tracks the timestamp when a presence state went from no-presence --> presence detected, per device.
* This model should be used to display the presence logs Talal requested on the platform
*/
WITH device_logs AS (
SELECT
device.uuid AS device_id,
device.created_at,
device.device_tuya_uuid,
device.space_device_uuid AS space_id,
"device-status-log".event_id,
"device-status-log".event_time::timestamp,
"device-status-log".code,
"device-status-log".value,
"device-status-log".log,
LAG("device-status-log".event_time::timestamp)
OVER (PARTITION BY device.uuid
ORDER BY "device-status-log".event_time) AS prev_timestamp,
LAG("device-status-log".value)
OVER (PARTITION BY device.uuid
ORDER BY "device-status-log".event_time) AS prev_value
FROM device
LEFT JOIN "device-status-log"
ON device.uuid = "device-status-log".device_id
LEFT JOIN product
ON product.uuid = device.product_device_uuid
WHERE product.cat_name = 'hps' -- presence sensors
AND "device-status-log".code = 'presence_state'
ORDER BY device.uuid, "device-status-log".event_time
)
, presence_detection AS (
SELECT *,
CASE
WHEN value IN ('presence', 'motion') AND prev_value = 'none' THEN 1 -- detects a change in status from no presence to presence or motion
ELSE 0
END AS presence_detected
FROM device_logs
)
SELECT event_time as "time_presence_detected", device_id, space_id
FROM presence_detection
WHERE presence_detected=1