fix repeatable migrations

db/views/R__061_vw_site_effective_price.sql

@@ -0,0 +1,84 @@
+-- =============================================================
+-- R__061_vw_site_effective_price.sql
+-- EMS Platform – view efektivních cen per site
+-- Repeatable migration
+-- =============================================================
+
+CREATE OR REPLACE VIEW ems.vw_site_effective_price AS
+WITH cfg_price AS (
+    SELECT
+        smc.site_id,
+        smc.tariff_id,
+        smc.hdo_code_id,
+        smc.system_services_czk_kwh,
+        smc.buy_margin_fixed_czk,
+        smc.buy_margin_percent,
+        smc.sell_margin_fixed_czk,
+        smc.sell_margin_percent,
+        mip.interval_start,
+        mip.interval_end,
+        mip.market_source,
+        mip.buy_raw_price_czk_kwh,
+        mip.sell_raw_price_czk_kwh,
+        (mip.interval_start AT TIME ZONE 'Europe/Prague')::time AS local_prague_time,
+        EXTRACT(DOW FROM mip.interval_start AT TIME ZONE 'Europe/Prague')::integer AS prague_dow
+    FROM ems.market_interval_price mip
+    CROSS JOIN ems.site_market_config smc
+    WHERE smc.valid_from <= mip.interval_start
+      AND (smc.valid_to IS NULL OR smc.valid_to > mip.interval_start)
+),
+rated AS (
+    SELECT
+        cp.*,
+        CASE
+            WHEN cp.hdo_code_id IS NOT NULL AND EXISTS (
+                SELECT 1
+                FROM ems.hdo_code_window w
+                WHERE w.hdo_code_id = cp.hdo_code_id
+                  AND (
+                    w.day_type = 'all'
+                    OR (w.day_type = 'workday' AND cp.prague_dow BETWEEN 1 AND 5)
+                    OR (w.day_type = 'weekend' AND cp.prague_dow IN (0, 6))
+                  )
+                  AND w.rate_type = 'VT'
+                  AND cp.local_prague_time >= w.window_from
+                  AND cp.local_prague_time < w.window_to
+            ) THEN 'VT'::text
+            ELSE 'NT'::text
+        END AS rate_type
+    FROM cfg_price cp
+)
+SELECT
+    r.site_id,
+    r.interval_start,
+    r.interval_end,
+    r.market_source,
+    r.buy_raw_price_czk_kwh,
+    r.sell_raw_price_czk_kwh,
+    r.buy_margin_fixed_czk,
+    r.buy_margin_percent,
+    r.sell_margin_fixed_czk,
+    r.sell_margin_percent,
+    ems.fn_effective_buy_price(r.site_id, r.interval_start) AS effective_buy_price_czk_kwh,
+    ems.fn_effective_sell_price(r.site_id, r.interval_start) AS effective_sell_price_czk_kwh,
+    r.rate_type,
+    COALESCE(
+        (
+            SELECT dtr.price_czk_kwh
+            FROM ems.distribution_tariff_rate dtr
+            WHERE dtr.tariff_id = r.tariff_id
+              AND dtr.rate_type = r.rate_type
+              AND dtr.valid_from <= r.interval_start::date
+              AND (dtr.valid_to IS NULL OR dtr.valid_to > r.interval_start::date)
+            ORDER BY dtr.valid_from DESC
+            LIMIT 1
+        ),
+        0::numeric
+    ) AS dist_rate_czk_kwh,
+    COALESCE(r.system_services_czk_kwh, 0::numeric) AS system_services_czk_kwh
+FROM rated r;
+
+COMMENT ON VIEW ems.vw_site_effective_price IS
+'Efektivní nákupní a prodejní ceny elektřiny per lokalita a 15min interval.
+rate_type NT/VT dle HDO oken; dist_rate = variabilní distribuce bez DPH.
+effective_* z fn_effective_buy_price / fn_effective_sell_price (marže, DPH u nákupu dle tarifu).';