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Refactor metrics_trigger_fn on api.metrics trigger to avoid multiple stay or logbook active

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xbgmsharp
2022-12-09 12:35:18 +01:00
parent ca5bffd88f
commit a0216dad6a
1 changed files with 100 additions and 41 deletions
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141
initdb/02_1_signalk_api.sql
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@@ -135,6 +135,11 @@ CREATE INDEX ON api.metrics (status, time DESC);
CREATE INDEX ON api.metrics using GIN (metrics);
-- timescaledb hypertable
SELECT create_hypertable('api.metrics', 'time');
-- timescaledb hypertable with space partitions
--SELECT create_hypertable('api.metrics', 'time', 'client_id',
-- number_partitions => 2,
-- chunk_time_interval => INTERVAL '1 day',
-- if_not_exists => true);
---------------------------------------------------------------------------
-- Logbook
@@ -374,17 +379,15 @@ CREATE FUNCTION metrics_trigger_fn() RETURNS trigger AS $metrics$
BEGIN
-- Set client_id to new value to allow RLS
PERFORM set_config('vessel.client_id', NEW.client_id, false);
RAISE NOTICE 'metrics_trigger_fn client_id [%]', NEW.client_id;
-- todo: Check we have the boat metadata?
-- Do we have a log in progress?
-- Do we have a stay in progress?
--RAISE NOTICE 'metrics_trigger_fn client_id [%]', NEW.client_id;
-- Boat metadata are check using api.metrics REFERENCES to api.metadata
-- Fetch the latest entry to compare status against the new status to be insert
SELECT coalesce(m.status, 'moored'), m.time INTO previous_status, previous_time
FROM api.metrics m
WHERE m.client_id IS NOT NULL
AND m.client_id = NEW.client_id
ORDER BY m.time DESC LIMIT 1;
RAISE NOTICE 'Metrics Status, New:[%] Previous:[%]', NEW.status, previous_status;
--RAISE NOTICE 'Metrics Status, New:[%] Previous:[%]', NEW.status, previous_status;
IF previous_time = NEW.time THEN
-- Ignore entry if same time
RAISE WARNING 'Metrics Ignoring metric, duplicate time [%] = [%]', previous_time, NEW.time;
@@ -412,62 +415,78 @@ CREATE FUNCTION metrics_trigger_fn() RETURNS trigger AS $metrics$
RAISE WARNING 'Metrics Insert first stay as no previous metrics exist, stay_id %', stay_id;
END IF;
--
-- Check the state and if any previous/current entry
-- If new status is sailing or motoring
IF previous_status <> NEW.status AND (NEW.status = 'sailing' OR NEW.status = 'motoring') THEN
RAISE WARNING 'Metrics Update status, try new logbook, New:[%] Previous:[%]', NEW.status, previous_status;
-- Start new log
RAISE WARNING 'Metrics Start new log, New:[%] Previous:[%]', NEW.status, previous_status;
RAISE NOTICE 'Metrics Inserting new trip [%]', NEW.status;
INSERT INTO api.logbook
(client_id, active, _from_time, _from_lat, _from_lng)
VALUES (NEW.client_id, true, NEW.time, NEW.latitude, NEW.longitude);
logbook_id := public.trip_in_progress_fn(NEW.client_id::TEXT);
IF logbook_id IS NULL THEN
INSERT INTO api.logbook
(client_id, active, _from_time, _from_lat, _from_lng)
VALUES (NEW.client_id, true, NEW.time, NEW.latitude, NEW.longitude)
RETURNING id INTO logbook_id;
RAISE WARNING 'Metrics Insert new logbook, logbook_id %', logbook_id;
ELSE
UPDATE api.logbook
SET
active = false,
_to_time = NEW.time,
_to_lat = NEW.latitude,
_to_lng = NEW.longitude
WHERE id = logbook_id;
RAISE WARNING 'Metrics Existing Logbook logbook_id [%] [%] [%]', logbook_id, NEW.status, NEW.time;
END IF;
-- End current stay
-- Fetch stay_id by client_id
SELECT id INTO stay_id
FROM api.stays s
WHERE s.client_id IS NOT NULL
AND s.client_id = NEW.client_id
AND active IS true
LIMIT 1;
RAISE NOTICE 'Metrics Updating stay status [%] [%] [%]', stay_id, NEW.status, NEW.time;
stay_id := public.stay_in_progress_fn(NEW.client_id::TEXT);
IF stay_id IS NOT NULL THEN
UPDATE api.stays
SET
active = false,
active = false,
departed = NEW.time
WHERE id = stay_id;
WHERE id = stay_id;
RAISE WARNING 'Metrics Updating Stay end current stay_id [%] [%] [%]', stay_id, NEW.status, NEW.time;
-- Add moorage entry to process queue for further processing
INSERT INTO process_queue (channel, payload, stored) values ('new_moorage', stay_id, now());
ELSE
RAISE WARNING 'Metrics Invalid stay_id [%] [%]', stay_id, NEW.time;
END IF;
-- If new status is moored or anchored
ELSIF previous_status <> NEW.status AND (NEW.status = 'moored' OR NEW.status = 'anchored') THEN
-- Start new stays
RAISE WARNING 'Metrics new stay, New:[%] Previous:[%]', NEW.status, previous_status;
RAISE NOTICE 'Metrics Inserting new stay [%]', NEW.status;
-- if metric status is anchored set stay_code accordingly
stay_code = 1;
IF NEW.status = 'anchored' THEN
stay_code = 2;
RAISE WARNING 'Metrics Update status, try new stay, New:[%] Previous:[%]', NEW.status, previous_status;
stay_id := public.stay_in_progress_fn(NEW.client_id::TEXT);
IF stay_id IS NULL THEN
RAISE WARNING 'Metrics Inserting new stay [%]', NEW.status;
-- If metric status is anchored set stay_code accordingly
stay_code = 1;
IF NEW.status = 'anchored' THEN
stay_code = 2;
END IF;
-- Add new stay
INSERT INTO api.stays
(client_id, active, arrived, latitude, longitude, stay_code)
VALUES (NEW.client_id, true, NEW.time, NEW.latitude, NEW.longitude, stay_code)
RETURNING id INTO stay_id;
-- Add stay entry to process queue for further processing
INSERT INTO process_queue (channel, payload, stored) values ('new_stay', stay_id, now());
ELSE
RAISE WARNING 'Metrics Invalid stay_id [%] [%]', stay_id, NEW.time;
UPDATE api.stays
SET
active = false,
departed = NEW.time
WHERE id = stay_id;
END IF;
-- Add new stay
INSERT INTO api.stays
(client_id, active, arrived, latitude, longitude, stay_code)
VALUES (NEW.client_id, true, NEW.time, NEW.latitude, NEW.longitude, stay_code)
RETURNING id INTO stay_id;
-- Add stay entry to process queue for further processing
INSERT INTO process_queue (channel, payload, stored) values ('new_stay', stay_id, now());
-- End current log/trip
-- Fetch logbook_id by client_id
SELECT id INTO logbook_id
FROM api.logbook l
WHERE l.client_id IS NOT NULL
AND l.client_id = NEW.client_id
AND active IS true
LIMIT 1;
logbook_id := public.trip_in_progress_fn(NEW.client_id::TEXT);
IF logbook_id IS NOT NULL THEN
-- todo check on time start vs end
RAISE NOTICE 'Metrics Updating trip status [%] [%] [%]', logbook_id, NEW.status, NEW.time;
RAISE WARNING 'Metrics Updating trip status [%] [%] [%]', logbook_id, NEW.status, NEW.time;
UPDATE api.logbook
SET
active = false,
@@ -739,6 +758,46 @@ COMMENT ON FUNCTION
api.find_stay_from_moorage_fn
IS 'Find all stay within 100m of moorage geopoint';
-- trip_in_progress_fn
DROP FUNCTION IF EXISTS public.trip_in_progress_fn;
CREATE FUNCTION public.trip_in_progress_fn(IN _client_id TEXT) RETURNS INT AS $trip_in_progress$
DECLARE
logbook_id INT := NULL;
BEGIN
SELECT id INTO logbook_id
FROM api.logbook l
WHERE l.client_id IS NOT NULL
AND l.client_id = _client_id
AND active IS true
LIMIT 1;
RETURN logbook_id;
END;
$trip_in_progress$ LANGUAGE plpgsql;
-- Description
COMMENT ON FUNCTION
public.trip_in_progress_fn
IS 'trip_in_progress';
-- stay_in_progress_fn
DROP FUNCTION IF EXISTS public.stay_in_progress_fn;
CREATE FUNCTION public.stay_in_progress_fn(IN _client_id TEXT) RETURNS INT AS $stay_in_progress$
DECLARE
stay_id INT := NULL;
BEGIN
SELECT id INTO stay_id
FROM api.stays s
WHERE s.client_id IS NOT NULL
AND s.client_id = _client_id
AND active IS true
LIMIT 1;
RETURN stay_id;
END;
$stay_in_progress$ LANGUAGE plpgsql;
-- Description
COMMENT ON FUNCTION
public.stay_in_progress_fn
IS 'stay_in_progress';
---------------------------------------------------------------------------
-- API helper views
--