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Add api.logs_view and api.log_view

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xbgmsharp
2022-08-28 22:23:28 +02:00
parent 9a86c9f4f5
commit 54942a7558
1 changed files with 90 additions and 6 deletions
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96
initdb/02_1_signalk_api.sql
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@@ -15,7 +15,7 @@
-- Always store time in UTC
---------------------------------------------------------------------------
-- vessels signalk -(POST)-> metadata -> metadata_upsert -(trigger)-> metadata_upsert_fn (INSERT or UPDATE)
-- vessels signalk -(POST)-> metadata -> metadata_upsert -(trigger)-> metadata_upsert_trigger_fn (INSERT or UPDATE)
-- vessels signalk -(POST)-> metrics -> metrics -(trigger)-> metrics_fn new log,stay,moorage
---------------------------------------------------------------------------
@@ -151,6 +151,7 @@ CREATE TABLE IF NOT EXISTS api.logbook(
--track_geom Geometry(LINESTRING)
track_geom geometry(LINESTRING,4326) NULL,
track_geog geography(LINESTRING) NULL,
track_geojson JSON NULL,
_from_time TIMESTAMP WITHOUT TIME ZONE NOT NULL,
_to_time TIMESTAMP WITHOUT TIME ZONE NULL,
distance NUMERIC, -- meters?
@@ -604,6 +605,8 @@ COMMENT ON FUNCTION
---------------------------------------------------------------------------
-- Views
-- Views are invoked with the privileges of the view owner,
-- make the user_role the view’s owner.
--
CREATE VIEW first_metric AS
SELECT *
@@ -628,16 +631,46 @@ CREATE VIEW stay_in_progress AS
-- TODO: Use materialized views instead as it is not live data
-- Logs web view
DROP VIEW IF EXISTS api.logs_view;
CREATE VIEW api.logs_view AS
SELECT id,name,_from,_to,_from_time,_to_time,distance,duration
FROM api.logbook
WHERE _to_time IS NOT NULL
ORDER BY _from_time DESC;
CREATE OR REPLACE VIEW api.logs_view AS
SELECT id,
name as "Name",
_from as "From",
_from_time as "Started",
_to as "To",
_to_time as "Ended",
distance as "Distance",
duration as "Duration"
FROM api.logbook l
WHERE _to_time IS NOT NULL
ORDER BY _from_time DESC;
-- Description
COMMENT ON VIEW
api.logs_view
IS 'Logs web view';
DROP VIEW IF EXISTS api.log_view;
CREATE OR REPLACE VIEW api.log_view AS
SELECT id,
name as "Name",
_from as "From",
_from_time as "Started",
_to as "To",
_to_time as "Ended",
distance as "Distance",
duration as "Duration",
notes as "Notes",
track_geojson as geojson,
avg_speed as avg_speed,
max_speed as max_speed,
max_wind_speed as max_wind_speed
FROM api.logbook l
WHERE _to_time IS NOT NULL
ORDER BY _from_time DESC;
-- Description
COMMENT ON VIEW
api.logs_view
IS 'Log web view';
-- Stays web view
-- TODO group by month
DROP VIEW IF EXISTS api.stays_view;
@@ -894,3 +927,54 @@ COMMENT ON FUNCTION
--COMMENT ON FUNCTION
-- api.export_logbook_csv_fn
-- IS 'TODO, ...';
DROP FUNCTION IF EXISTS api.log_geojson_fn;
CREATE FUNCTION api.log_geojson_fn(IN _id INTEGER, OUT log_map JSON) RETURNS JSON AS $export_log$
declare
log_geojson jsonb;
metrics_geojson jsonb;
_map jsonb;
begin
-- GeoJson Feature Logbook linestring
SELECT
ST_AsGeoJSON(l.*) into log_geojson
FROM
api.logbook l
WHERE l.id = _id;
-- GeoJson Feature Metrics point
SELECT
json_agg(ST_AsGeoJSON(t.*)::json) into metrics_geojson
FROM (
(
select
time,
courseovergroundtrue,
speedoverground,
anglespeedapparent,
longitude,latitude,
st_makepoint(longitude,latitude) AS geo_point
FROM api.metrics m
WHERE m.latitude IS NOT NULL
AND m.longitude IS NOT NULL
AND m.time >= '2022-08-27 20:00:34.000'
AND m.time <= '2022-08-27 20:29:34.000'
ORDER BY m.time asc
)
) AS t;
-- Add Linestring into Point array
SELECT log_geojson::jsonb || metrics_geojson::jsonb into _map;
-- Build Geojson FeatureCollection
SELECT
json_build_object(
'type', 'FeatureCollection',
'features', _map
) into log_map;
END;
$export_log$ LANGUAGE plpgsql;
-- Description
COMMENT ON FUNCTION
api.log_geojson_fn
IS 'TODO';