sql first refactor

db/views/R__vw_asset_ev_charger_modbus_poll.sql

@@ -0,0 +1,17 @@
+drop view if exists ems.vw_asset_ev_charger_modbus_poll;
+
+create view ems.vw_asset_ev_charger_modbus_poll as
+select
+  ec.site_id,
+  ec.id as charger_id,
+  ec.code,
+  se.host,
+  se.port,
+  se.unit_id
+from ems.asset_ev_charger ec
+join ems.site_endpoint se on se.id = ec.endpoint_id
+where se.enabled = true
+  and se.endpoint_type = 'modbus_tcp';
+
+comment on view ems.vw_asset_ev_charger_modbus_poll is
+  'Nabíječky EV s Modbus TCP pro telemetry_collector.';

db/views/R__vw_asset_heat_pump_modbus_poll.sql

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+drop view if exists ems.vw_asset_heat_pump_modbus_poll;
+
+create view ems.vw_asset_heat_pump_modbus_poll as
+select
+  hp.site_id,
+  hp.id as heat_pump_id,
+  hp.code,
+  se.host,
+  se.port,
+  se.unit_id
+from ems.asset_heat_pump hp
+join ems.site_endpoint se on se.id = hp.endpoint_id
+where se.enabled = true
+  and se.endpoint_type = 'modbus_tcp';
+
+comment on view ems.vw_asset_heat_pump_modbus_poll is
+  'TČ s Modbus TCP pro telemetry_collector.';

db/views/R__vw_asset_inverter_modbus_poll.sql

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+drop view if exists ems.vw_asset_inverter_modbus_poll;
+
+create view ems.vw_asset_inverter_modbus_poll as
+select
+  ai.site_id,
+  ai.id as inverter_id,
+  ai.code,
+  se.host,
+  se.port,
+  se.unit_id
+from ems.asset_inverter ai
+join ems.site_endpoint se on se.id = ai.endpoint_id
+where ai.active = true
+  and se.enabled = true
+  and se.endpoint_type = 'modbus_tcp';
+
+comment on view ems.vw_asset_inverter_modbus_poll is
+  'Aktivní střídače s Modbus TCP endpointem pro telemetry_collector.';

db/views/R__vw_battery_cycle_daily.sql

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+-- denní součet |battery_power_w|/60 Wh → poměr k 2× usable (orientační cykly/den)
+
+create or replace view ems.vw_battery_cycle_daily as
+select
+  ti.site_id,
+  (ti.measured_at at time zone 'Europe/Prague')::date as day_prague,
+  sum(abs(ti.battery_power_w::numeric) / 60.0) as throughput_wh,
+  max(ab.usable_wh) as usable_wh,
+  round(
+    (sum(abs(ti.battery_power_w::numeric) / 60.0)
+      / nullif(max(ab.usable_wh) * 2, 0))::numeric,
+    4
+  ) as equiv_full_cycles
+from ems.telemetry_inverter ti
+cross join lateral (
+  select usable_capacity_wh::numeric as usable_wh
+  from ems.asset_battery b
+  where b.site_id = ti.site_id
+  order by b.id
+  limit 1
+) ab
+where ti.battery_power_w is not null
+group by ti.site_id, (ti.measured_at at time zone 'Europe/Prague')::date;

db/views/R__vw_modbus_last_verified.sql

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+-- poslední úspěšně ověřený zápis per (site, asset, register)
+
+drop view if exists ems.vw_modbus_last_verified;
+
+create view ems.vw_modbus_last_verified as
+select distinct on (mc.site_id, mc.asset_type, mc.asset_id, mc.register)
+  mc.id,
+  mc.site_id,
+  mc.asset_type,
+  mc.asset_id,
+  mc.register,
+  mc.value_verified,
+  mc.verified_at,
+  mc.status
+from ems.modbus_command mc
+where mc.status = 'verified'
+  and mc.value_verified is not null
+order by mc.site_id, mc.asset_type, mc.asset_id, mc.register, mc.verified_at desc nulls last, mc.id desc;
+
+comment on view ems.vw_modbus_last_verified is
+  'DISTINCT ON (register) poslední verified řádek pro ověření / mapu registrů.';

db/views/R__vw_site_directory.sql

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+-- tenké čtení lokality pro API (Phase 1 – místo select z ems.site v routerech)
+
+drop view if exists ems.vw_site_directory;
+
+create view ems.vw_site_directory as
+select
+  s.id,
+  s.code,
+  s.name,
+  s.timezone,
+  s.latitude,
+  s.longitude,
+  s.active,
+  s.notes,
+  s.created_at
+from ems.site s;
+
+comment on view ems.vw_site_directory is
+  'Veřejná metadata lokality pro GET seznamů; čtení místo přímého dotazu na ems.site.';