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Update api.timelapse_fn, fix typo using date. add api.timelapse2_fn to export geojson with notes

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xbgmsharp
2024-01-18 23:54:47 +01:00
parent 7892b615e0
commit 9a5f27d21e
1 changed files with 70 additions and 1 deletions
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71
initdb/02_1_2_signalk_api_functions.sql
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@@ -47,7 +47,7 @@ CREATE OR REPLACE FUNCTION api.timelapse_fn(
WITH logbook as (
SELECT track_geom
FROM api.logbook
WHERE _from_time >= start_log::TIMESTAMPTZ
WHERE _from_time >= start_date::TIMESTAMPTZ
AND _to_time <= end_date::TIMESTAMPTZ + interval '23 hours 59 minutes'
AND track_geom IS NOT NULL
ORDER BY _from_time ASC
@@ -85,6 +85,75 @@ COMMENT ON FUNCTION
api.timelapse_fn
IS 'Export all selected logs geometry `track_geom` to a geojson as MultiLineString with empty properties';
DROP FUNCTION IF EXISTS api.timelapse2_fn;
CREATE OR REPLACE FUNCTION api.timelapse2_fn(
IN start_log INTEGER DEFAULT NULL,
IN end_log INTEGER DEFAULT NULL,
IN start_date TEXT DEFAULT NULL,
IN end_date TEXT DEFAULT NULL,
OUT geojson JSONB) RETURNS JSONB AS $timelapse2$
DECLARE
_geojson jsonb;
BEGIN
-- Using sub query to force id order by
-- Merge GIS track_geom into a GeoJSON Points
IF start_log IS NOT NULL AND public.isnumeric(start_log::text) AND public.isnumeric(end_log::text) THEN
SELECT jsonb_agg(
jsonb_build_object('type', 'Feature',
'properties', jsonb_build_object( 'notes', f->'properties'->>'notes'),
'geometry', jsonb_build_object( 'coordinates', f->'geometry'->'coordinates', 'type', 'Point'))
) INTO _geojson
FROM (
SELECT jsonb_array_elements(track_geojson->'features') AS f
FROM api.logbook
WHERE id >= start_log
AND id <= end_log
AND track_geojson IS NOT NULL
ORDER BY _from_time ASC
) AS sub
WHERE (f->'geometry'->>'type') = 'Point';
ELSIF start_date IS NOT NULL AND public.isdate(start_date::text) AND public.isdate(end_date::text) THEN
SELECT jsonb_agg(
jsonb_build_object('type', 'Feature',
'properties', jsonb_build_object( 'notes', f->'properties'->>'notes'),
'geometry', jsonb_build_object( 'coordinates', f->'geometry'->'coordinates', 'type', 'Point'))
) INTO _geojson
FROM (
SELECT jsonb_array_elements(track_geojson->'features') AS f
FROM api.logbook
WHERE _from_time >= start_date::TIMESTAMPTZ
AND _to_time <= end_date::TIMESTAMPTZ + interval '23 hours 59 minutes'
AND track_geojson IS NOT NULL
ORDER BY _from_time ASC
) AS sub
WHERE (f->'geometry'->>'type') = 'Point';
ELSE
SELECT jsonb_agg(
jsonb_build_object('type', 'Feature',
'properties', jsonb_build_object( 'notes', f->'properties'->>'notes'),
'geometry', jsonb_build_object( 'coordinates', f->'geometry'->'coordinates', 'type', 'Point'))
) INTO _geojson
FROM (
SELECT jsonb_array_elements(track_geojson->'features') AS f
FROM api.logbook
WHERE track_geojson IS NOT NULL
ORDER BY _from_time ASC
) AS sub
WHERE (f->'geometry'->>'type') = 'Point';
END IF;
-- Return a GeoJSON MultiLineString
-- result _geojson [null, null]
raise WARNING 'result _geojson %' , _geojson;
SELECT jsonb_build_object(
'type', 'FeatureCollection',
'features', _geojson ) INTO geojson;
END;
$timelapse2$ LANGUAGE plpgsql;
-- Description
COMMENT ON FUNCTION
api.timelapse2_fn
IS 'Export all selected logs geometry `track_geom` to a geojson as points with notes properties';
-- export_logbook_geojson_fn
DROP FUNCTION IF EXISTS api.export_logbook_geojson_fn;
CREATE FUNCTION api.export_logbook_geojson_fn(IN _id integer, OUT geojson JSONB) RETURNS JSONB AS $export_logbook_geojson$