V098: týdenní požadavky EV (ev_weekly_requirement) + fn_ev_session_defaults
Tabulka ems.ev_weekly_requirement (dow 0=pondělí..6, target_soc_pct,
deadline_hour Europe/Prague, enabled; unique per vozidlo+den) se seedem
tesla-my pondělí 07:00 → 90 %. Nová ems.fn_ev_session_defaults(vehicle,
arrival) → jsonb {target_soc_pct, deadline, source}: kaskáda týdenní
požadavek (výskyt do 48 h) → forecast z ev_usage_stats
(target_soc_forecast_enabled, chování V089 beze změny) → defaulty vozidla
(deadline = příští výskyt default_deadline_hour). fn_ev_session_transition
ji volá při založení session (SQL-first, Python beze změny); comment
funkce sjednocen na styl bez parametrů.
Docs: ev-charging.md sekce Týdenní požadavky + kaskáda, CLAUDE.md seznam fn.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
103
db/routines/R__099_fn_ev_session_defaults.sql
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103
db/routines/R__099_fn_ev_session_defaults.sql
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-- Defaulty nové ev_session pro vozidlo: kaskáda
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-- 1) ems.ev_weekly_requirement — nejbližší budoucí výskyt enabled řádku
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-- do 48 h od příjezdu (deadline_hour v den dow, Europe/Prague),
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-- 2) forecast z týdenního rytmu (V089: fn_ev_next_departure +
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-- fn_ev_required_soc), jen při asset_vehicle.target_soc_forecast_enabled,
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-- 3) defaulty vozidla (default_target_soc_pct; deadline = příští výskyt
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-- default_deadline_hour v Europe/Prague).
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-- Volá fn_ev_session_transition při založení session; ruční přepis přes
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-- fn_ev_session_apply_patch (Discord / UI) vždy vyhrává.
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create or replace function ems.fn_ev_session_defaults(
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p_vehicle_id int,
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p_arrival timestamptz
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)
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returns jsonb
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language plpgsql
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stable
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as $fn$
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declare
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v_vehicle record;
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v_weekly record;
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v_forecast_departure timestamptz;
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v_deadline timestamptz;
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begin
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select av.default_target_soc_pct, av.default_deadline_hour,
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av.target_soc_forecast_enabled
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into v_vehicle
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from ems.asset_vehicle av
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where av.id = p_vehicle_id;
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if not found then
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return jsonb_build_object(
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'target_soc_pct', null, 'deadline', null, 'source', 'none'
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);
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end if;
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-- 1) týdenní požadavek: nejbližší budoucí výskyt do 48 h (Europe/Prague)
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select wr.target_soc_pct, occ.deadline
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into v_weekly
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from generate_series(0, 2) as offs
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cross join lateral (
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select ((p_arrival at time zone 'Europe/Prague')::date + offs) as d
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) day
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join ems.ev_weekly_requirement wr
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on wr.vehicle_id = p_vehicle_id
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and wr.enabled
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and wr.dow = extract(isodow from day.d)::int - 1
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cross join lateral (
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select (day.d::timestamp + make_interval(hours => wr.deadline_hour))
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at time zone 'Europe/Prague' as deadline
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) occ
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where occ.deadline > p_arrival
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and occ.deadline <= p_arrival + interval '48 hours'
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order by occ.deadline
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limit 1;
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if v_weekly.deadline is not null then
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return jsonb_build_object(
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'target_soc_pct', v_weekly.target_soc_pct,
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'deadline', v_weekly.deadline,
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'source', 'weekly'
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);
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end if;
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-- 2) forecast z týdenního rytmu (chování shodné s dřívějším
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-- fn_ev_session_transition: deadline = typický odjezd; target P80,
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-- při málo datech default target)
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if v_vehicle.target_soc_forecast_enabled then
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v_forecast_departure := ems.fn_ev_next_departure(p_vehicle_id, p_arrival);
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if v_forecast_departure is not null then
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return jsonb_build_object(
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'target_soc_pct', coalesce(
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ems.fn_ev_required_soc(p_vehicle_id, v_forecast_departure),
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v_vehicle.default_target_soc_pct
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),
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'deadline', v_forecast_departure,
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'source', 'forecast'
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);
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end if;
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end if;
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-- 3) defaulty vozidla: deadline = příští výskyt default_deadline_hour
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v_deadline := (
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(p_arrival at time zone 'Europe/Prague')::date::timestamp
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+ make_interval(hours => v_vehicle.default_deadline_hour)
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) at time zone 'Europe/Prague';
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if v_deadline <= p_arrival then
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v_deadline := (
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((p_arrival at time zone 'Europe/Prague')::date + 1)::timestamp
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+ make_interval(hours => v_vehicle.default_deadline_hour)
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) at time zone 'Europe/Prague';
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end if;
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return jsonb_build_object(
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'target_soc_pct', v_vehicle.default_target_soc_pct,
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'deadline', v_deadline,
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'source', 'default'
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);
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end;
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$fn$;
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comment on function ems.fn_ev_session_defaults is
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'Target SoC + deadline pro novou ev_session: jsonb {target_soc_pct, deadline, source}. Kaskáda ev_weekly_requirement (výskyt do 48 h, Europe/Prague) → forecast (target_soc_forecast_enabled) → defaulty vozidla (deadline = příští výskyt default_deadline_hour). p_vehicle_id null/neznámé → null hodnoty.';
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