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Add new procedure, api.monitoring_history_fn

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xbgmsharp
2024-01-13 23:23:53 +01:00
parent 012812c898
commit 4bec738826
1 changed files with 40 additions and 1 deletions
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39
initdb/02_1_2_signalk_api_functions.sql
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@@ -794,3 +794,42 @@ $delete_logbook$ LANGUAGE plpgsql;
COMMENT ON FUNCTION
api.delete_logbook_fn
IS 'Delete a logbook and dependency stay';
CREATE OR REPLACE FUNCTION api.monitoring_history_fn(IN time_interval TEXT DEFAULT '24', OUT history_metrics JSONB) RETURNS JSONB AS $monitoring_history$
DECLARE
bucket_interval interval := '5 minutes';
BEGIN
RAISE NOTICE '-> monitoring_history_fn';
SELECT CASE time_interval
WHEN '24' THEN '5 minutes'
WHEN '48' THEN '2 hours'
WHEN '72' THEN '4 hours'
WHEN '168' THEN '7 hours'
ELSE '5 minutes'
END bucket INTO bucket_interval;
RAISE NOTICE '-> monitoring_history_fn % %', time_interval, bucket_interval;
WITH history_table AS (
SELECT time_bucket(bucket_interval::INTERVAL, time) AS time_bucket,
avg((metrics->'environment.water.temperature')::numeric) AS waterTemperature,
avg((metrics->'environment.inside.temperature')::numeric) AS insideTemperature,
avg((metrics->'environment.outside.temperature')::numeric) AS outsideTemperature,
avg((metrics->'environment.wind.speedOverGround')::numeric) AS windSpeedOverGround,
avg((metrics->'environment.inside.relativeHumidity')::numeric) AS insideHumidity,
avg((metrics->'environment.outside.relativeHumidity')::numeric) AS outsideHumidity,
avg((metrics->'environment.outside.pressure')::numeric) AS outsidePressure,
avg((metrics->'environment.inside.pressure')::numeric) AS insidePressure,
avg((metrics->'electrical.batteries.House.capacity.stateOfCharge')::numeric) AS batteryCharge,
avg((metrics->'electrical.batteries.House.voltage')::numeric) AS batteryVoltage,
avg((metrics->'environment.depth.belowTransducer')::numeric) AS depth
FROM api.metrics
WHERE time > (NOW() AT TIME ZONE 'UTC' - INTERVAL '1 hours' * time_interval::NUMERIC)
GROUP BY time_bucket
ORDER BY time_bucket asc
)
SELECT jsonb_agg(history_table) INTO history_metrics FROM history_table;
END
$monitoring_history$ LANGUAGE plpgsql;
-- Description
COMMENT ON FUNCTION
api.monitoring_history_fn
IS 'Export metrics from a time period 24h, 48h, 72h, 7d';