fix repeatable migrations

db/routines/R__066_fn_site_notifications_context.sql

@@ -0,0 +1,138 @@
+create or replace function ems.fn_site_notifications_context(p_site_id int)
+returns jsonb
+language sql
+stable
+as $fn$
+  select
+    case
+      when not exists (select 1 from ems.site s0 where s0.id = p_site_id) then
+        jsonb_build_object('error', 'not_found')
+      else jsonb_build_object(
+        'timezone',
+        coalesce(
+          nullif(trim((select s.timezone from ems.site s where s.id = p_site_id)), ''),
+          'Europe/Prague'
+        ),
+        'mode_code',
+        (select m.mode_code from ems.site_operating_mode m where m.site_id = p_site_id),
+        'has_plan',
+        exists (
+          select 1
+          from ems.planning_run pr
+          where pr.site_id = p_site_id
+            and pr.status = 'active'
+        ),
+        'tomorrow_slots',
+        (
+          select count(*)::int
+          from ems.vw_site_effective_price v
+          where v.site_id = p_site_id
+            and (v.interval_start at time zone coalesce(
+              nullif(trim((select s2.timezone from ems.site s2 where s2.id = p_site_id)), ''),
+              'Europe/Prague'
+            ))::date = (
+              (
+                current_timestamp at time zone coalesce(
+                  nullif(trim((select s3.timezone from ems.site s3 where s3.id = p_site_id)), ''),
+                  'Europe/Prague'
+                )
+              )::date + 1
+            )
+        ),
+        'reserve_soc',
+        (select min(ab.reserve_soc_percent)::float from ems.asset_battery ab where ab.site_id = p_site_id),
+        'min_soc',
+        (select min(ab.min_soc_percent)::float from ems.asset_battery ab where ab.site_id = p_site_id),
+        'soc_pct',
+        (select li.battery_soc_percent::float from ems.vw_latest_inverter li where li.site_id = p_site_id order by li.measured_at desc nulls last limit 1),
+        'inv_measured_at',
+        (select li.measured_at from ems.vw_latest_inverter li where li.site_id = p_site_id order by li.measured_at desc nulls last limit 1),
+        'hb_last_seen',
+        (select hb.last_seen from ems.site_heartbeat hb where hb.site_id = p_site_id limit 1),
+        'price_slots',
+        coalesce(
+          (
+            select jsonb_agg(
+              jsonb_build_object(
+                'interval_start', v.interval_start,
+                'effective_buy_price_czk_kwh', v.effective_buy_price_czk_kwh,
+                'effective_sell_price_czk_kwh', v.effective_sell_price_czk_kwh
+              )
+              order by v.interval_start
+            )
+            from ems.vw_site_effective_price v
+            where v.site_id = p_site_id
+              and v.interval_start >= now()
+              and v.interval_start < now() + interval '48 hours'
+          ),
+          '[]'::jsonb
+        ),
+        'avg_buy',
+        (
+          select avg(v.effective_buy_price_czk_kwh)::float
+          from ems.vw_site_effective_price v
+          where v.site_id = p_site_id
+            and v.interval_start::date in (current_date, current_date + 1)
+        ),
+        'usable_wh',
+        (
+          select coalesce(sum(ab.usable_capacity_wh), 0)::float
+          from ems.asset_battery ab
+          join ems.asset_inverter ai on ai.id = ab.inverter_id
+          where ai.site_id = p_site_id
+        ),
+        'ev_sessions',
+        coalesce(
+          (
+            select jsonb_agg(
+              jsonb_build_object(
+                'id', es.id,
+                'charger_id', es.charger_id,
+                'energy_delivered_wh', es.energy_delivered_wh,
+                'target_soc_pct', es.target_soc_pct,
+                'session_start', es.session_start,
+                'soc_at_connect_pct', es.soc_at_connect_pct,
+                'battery_capacity_kwh', coalesce(av_id.battery_capacity_kwh, av_def.battery_capacity_kwh),
+                'make', coalesce(av_id.make, av_def.make),
+                'model', coalesce(av_id.model, av_def.model),
+                'default_target_soc_pct', coalesce(av_id.default_target_soc_pct, av_def.default_target_soc_pct),
+                'charger_code', ac.code
+              )
+              order by es.id
+            )
+            from ems.ev_session es
+            join ems.asset_ev_charger ac on ac.id = es.charger_id
+            left join ems.asset_vehicle av_id on av_id.id = es.vehicle_id
+            left join ems.asset_vehicle av_def
+              on av_def.default_charger_id = ac.id
+             and es.vehicle_id is null
+            where es.site_id = p_site_id
+              and es.session_end is null
+          ),
+          '[]'::jsonb
+        ),
+        'neg_windows',
+        coalesce(
+          (
+            select jsonb_agg(
+              jsonb_build_object(
+                'predicted_date', p.predicted_date,
+                'window_start_hour', p.window_start_hour,
+                'window_end_hour', p.window_end_hour,
+                'probability_pct', p.probability_pct
+              )
+              order by p.predicted_date, p.window_start_hour
+            )
+            from ems.predicted_negative_price_window p
+            where p.site_id = p_site_id
+              and p.predicted_date between current_date and current_date + 2
+              and p.probability_pct >= 50
+          ),
+          '[]'::jsonb
+        )
+      )
+    end;
+$fn$;
+
+comment on function ems.fn_site_notifications_context(int) is
+  'Vstupy pro build_smart_notifications + infra pravidla (GET /notifications).';