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refactor metrics_trigger_fn, set previous_metric as record instead of individual value

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xbgmsharp
2023-11-19 18:03:54 +01:00
parent 1f7bb433e2
commit 472131efbd
1 changed files with 40 additions and 31 deletions
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71
initdb/02_1_1_signalk_api_tables.sql
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@@ -327,13 +327,13 @@ COMMENT ON TRIGGER
DROP FUNCTION IF EXISTS metrics_trigger_fn;
CREATE FUNCTION metrics_trigger_fn() RETURNS trigger AS $metrics$
DECLARE
previous_status varchar;
previous_time TIMESTAMP WITHOUT TIME ZONE;
stay_code integer;
logbook_id integer;
stay_id integer;
valid_status BOOLEAN;
previous_metric record;
stay_code INTEGER;
logbook_id INTEGER;
stay_id INTEGER;
valid_status BOOLEAN := False;
_vessel_id TEXT;
distance BOOLEAN := False;
BEGIN
--RAISE NOTICE 'metrics_trigger_fn';
--RAISE WARNING 'metrics_trigger_fn [%] [%]', current_setting('vessel.id', true), NEW;
@@ -344,20 +344,20 @@ CREATE FUNCTION metrics_trigger_fn() RETURNS trigger AS $metrics$
END IF;
-- 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
SELECT * INTO previous_metric
FROM api.metrics m
WHERE m.vessel_id IS NOT NULL
AND m.vessel_id = current_setting('vessel.id', true)
ORDER BY m.time DESC LIMIT 1;
--RAISE NOTICE 'Metrics Status, New:[%] Previous:[%]', NEW.status, previous_status;
IF previous_time = NEW.time THEN
--RAISE NOTICE 'Metrics Status, New:[%] Previous:[%]', NEW.status, previous_metric.status;
IF previous_metric.time = NEW.time THEN
-- Ignore entry if same time
RAISE WARNING 'Metrics Ignoring metric, vessel_id [%], duplicate time [%] = [%]', NEW.vessel_id, previous_time, NEW.time;
RAISE WARNING 'Metrics Ignoring metric, vessel_id [%], duplicate time [%] = [%]', NEW.vessel_id, previous_metric.time, NEW.time;
RETURN NULL;
END IF;
IF previous_time > NEW.time THEN
IF previous_metric.time > NEW.time THEN
-- Ignore entry if new time is later than previous time
RAISE WARNING 'Metrics Ignoring metric, vessel_id [%], new time is older than previous_time [%] > [%]', NEW.vessel_id, previous_time, NEW.time;
RAISE WARNING 'Metrics Ignoring metric, vessel_id [%], new time is older than previous_metric.time [%] > [%]', NEW.vessel_id, previous_metric.time, NEW.time;
RETURN NULL;
END IF;
-- Check if latitude or longitude are type double
@@ -390,6 +390,14 @@ CREATE FUNCTION metrics_trigger_fn() RETURNS trigger AS $metrics$
RAISE WARNING 'Metrics Ignoring metric, vessel_id [%], latitude and longitude are equal [%] [%]', NEW.vessel_id, NEW.latitude, NEW.longitude;
RETURN NULL;
END IF;
-- Check distance with previous point is > 10km
--SELECT ST_Distance(
-- ST_MakePoint(NEW.latitude,NEW.longitude)::geography,
-- ST_MakePoint(previous_metric.latitude,previous_metric.longitude)::geography) > 10000 INTO distance;
--IF distance IS True THEN
-- RAISE WARNING 'Metrics Ignoring metric, distance between previous metric and new metric is too large, vessel_id [%] distance[%]', NEW.vessel_id, distance;
-- RETURN NULL;
--END IF;
-- Check if status is null but speed is over 3knots set status to sailing
IF NEW.status IS NULL AND NEW.speedoverground >= 3 THEN
RAISE WARNING 'Metrics Unknown NEW.status, vessel_id [%], null status, set to sailing because of speedoverground is +3 from [%]', NEW.vessel_id, NEW.status;
@@ -399,13 +407,13 @@ CREATE FUNCTION metrics_trigger_fn() RETURNS trigger AS $metrics$
RAISE WARNING 'Metrics Unknown NEW.status, vessel_id [%], null status, set to default moored from [%]', NEW.vessel_id, NEW.status;
NEW.status := 'moored';
END IF;
IF previous_status IS NULL THEN
IF previous_metric.status IS NULL THEN
IF NEW.status = 'anchored' THEN
RAISE WARNING 'Metrics Unknown previous_status from vessel_id [%], [%] set to default current status [%]', NEW.vessel_id, previous_status, NEW.status;
previous_status := NEW.status;
RAISE WARNING 'Metrics Unknown previous_metric.status from vessel_id [%], [%] set to default current status [%]', NEW.vessel_id, previous_metric.status, NEW.status;
previous_metric.status := NEW.status;
ELSE
RAISE WARNING 'Metrics Unknown previous_status from vessel_id [%], [%] set to default status moored vs [%]', NEW.vessel_id, previous_status, NEW.status;
previous_status := 'moored';
RAISE WARNING 'Metrics Unknown previous_metric.status from vessel_id [%], [%] set to default status moored vs [%]', NEW.vessel_id, previous_metric.status, NEW.status;
previous_metric.status := 'moored';
END IF;
-- Add new stay as no previous entry exist
INSERT INTO api.stays
@@ -433,10 +441,10 @@ CREATE FUNCTION metrics_trigger_fn() RETURNS trigger AS $metrics$
-- Check the state and if any previous/current entry
-- If change of state and new status is sailing or motoring
IF previous_status::TEXT <> NEW.status::TEXT AND
( (NEW.status::TEXT = 'sailing' AND previous_status::TEXT <> 'motoring')
OR (NEW.status::TEXT = 'motoring' AND previous_status::TEXT <> 'sailing') ) THEN
RAISE WARNING 'Metrics Update status, try new logbook, New:[%] Previous:[%]', NEW.status, previous_status;
IF previous_metric.status::TEXT <> NEW.status::TEXT AND
( (NEW.status::TEXT = 'sailing' AND previous_metric.status::TEXT <> 'motoring')
OR (NEW.status::TEXT = 'motoring' AND previous_metric.status::TEXT <> 'sailing') ) THEN
RAISE WARNING 'Metrics Update status, try new logbook, New:[%] Previous:[%]', NEW.status, previous_metric.status;
-- Start new log
logbook_id := public.trip_in_progress_fn(current_setting('vessel.id', true)::TEXT);
IF logbook_id IS NULL THEN
@@ -453,7 +461,7 @@ CREATE FUNCTION metrics_trigger_fn() RETURNS trigger AS $metrics$
_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;
RAISE WARNING 'Metrics Existing logbook logbook_id [%] [%] [%]', logbook_id, NEW.status, NEW.time;
END IF;
-- End current stay
@@ -464,17 +472,20 @@ CREATE FUNCTION metrics_trigger_fn() RETURNS trigger AS $metrics$
active = false,
departed = NEW.time
WHERE id = stay_id;
-- Add stay entry to process queue for further processing
INSERT INTO process_queue (channel, payload, stored, ref_id)
VALUES ('new_stay', stay_id, now(), current_setting('vessel.id', true));
RAISE WARNING 'Metrics Updating Stay end current stay_id [%] [%] [%]', stay_id, NEW.status, NEW.time;
ELSE
RAISE WARNING 'Metrics Invalid stay_id [%] [%]', stay_id, NEW.time;
END IF;
-- If change of state and new status is moored or anchored
ELSIF previous_status::TEXT <> NEW.status::TEXT AND
( (NEW.status::TEXT = 'moored' AND previous_status::TEXT <> 'anchored')
OR (NEW.status::TEXT = 'anchored' AND previous_status::TEXT <> 'moored') ) THEN
ELSIF previous_metric.status::TEXT <> NEW.status::TEXT AND
( (NEW.status::TEXT = 'moored' AND previous_metric.status::TEXT <> 'anchored')
OR (NEW.status::TEXT = 'anchored' AND previous_metric.status::TEXT <> 'moored') ) THEN
-- Start new stays
RAISE WARNING 'Metrics Update status, try new stay, New:[%] Previous:[%]', NEW.status, previous_status;
RAISE WARNING 'Metrics Update status, try new stay, New:[%] Previous:[%]', NEW.status, previous_metric.status;
stay_id := public.stay_in_progress_fn(current_setting('vessel.id', true)::TEXT);
IF stay_id IS NULL THEN
RAISE WARNING 'Metrics Inserting new stay [%]', NEW.status;
@@ -488,16 +499,14 @@ CREATE FUNCTION metrics_trigger_fn() RETURNS trigger AS $metrics$
(vessel_id, active, arrived, latitude, longitude, stay_code)
VALUES (current_setting('vessel.id', true), 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, ref_id)
VALUES ('new_stay', stay_id, now(), current_setting('vessel.id', true));
RAISE WARNING 'Metrics Insert new stay, stay_id stay_id [%] [%] [%]', stay_id, NEW.status, NEW.time;
RAISE WARNING 'Metrics Insert new stay, stay_id [%] [%] [%]', stay_id, NEW.status, NEW.time;
ELSE
RAISE WARNING 'Metrics Invalid stay_id [%] [%]', stay_id, NEW.time;
UPDATE api.stays
SET
active = false,
departed = NEW.time
departed = NEW.time,
notes = 'Invalid stay?'
WHERE id = stay_id;
END IF;