telemetrie per pv_array, fix predictinos

db/routines/R__022_fn_fill_forecast_accuracy.sql

@@ -50,7 +50,9 @@ BEGIN
         v.learning_exclude_reason
     FROM ems.forecast_pv_interval fpi
     JOIN ems.forecast_pv_run fpr ON fpr.id = fpi.run_id
-    JOIN ems.asset_pv_array pa   ON pa.id  = fpr.pv_array_id
+    JOIN ems.asset_pv_array pa
+      ON pa.id = fpr.pv_array_id
+     AND pa.site_id = fpr.site_id
     LEFT JOIN ems.site_pv_forecast_calibration cal
       ON cal.site_id = fpr.site_id
     LEFT JOIN LATERAL (
@@ -115,16 +117,47 @@ BEGIN
             (flags.is_curtailed_learning_slot OR flags.is_telemetry_derated_slot) AS exclude_actual_for_learning
     ) v ON true
     LEFT JOIN LATERAL (
-        SELECT AVG(
+        WITH base AS (
+            SELECT AVG(
+                CASE coalesce(pa.telemetry_source, '')
+                    WHEN 'pv1'        THEN ti.pv1_power_w::NUMERIC
+                    WHEN 'pv2'        THEN ti.pv2_power_w::NUMERIC
+                    WHEN 'pv_strings' THEN (COALESCE(ti.pv1_power_w, 0) + COALESCE(ti.pv2_power_w, 0))::NUMERIC
+                    WHEN 'pv_total'   THEN ti.pv_power_w::NUMERIC
+                    WHEN 'gen_port'   THEN ti.gen_port_power_w::NUMERIC
+                    ELSE NULL
+                END
+            ) AS avg_actual_w
+            FROM ems.telemetry_inverter ti
+            WHERE ti.site_id = fpr.site_id
+              AND ti.measured_at >= fpi.interval_start
+              AND ti.measured_at < fpi.interval_start + INTERVAL '15 minutes'
+        ),
+        grp AS (
+            -- Pokud více pv_array sdílí stejné měření (např. GEN port rozdělený do více orientací),
+            -- rozdělíme actual proporčně podle forecastu v daném slotu.
+            SELECT
+                sum(fpi2.power_w)::numeric AS forecast_group_w
+            FROM ems.forecast_pv_interval fpi2
+            JOIN ems.forecast_pv_run fpr2 ON fpr2.id = fpi2.run_id
+            JOIN ems.asset_pv_array pa2
+              ON pa2.id = fpi2.pv_array_id
+             AND pa2.site_id = fpr2.site_id
+            WHERE pa.telemetry_group IS NOT NULL
+              AND pa2.site_id = fpr.site_id
+              AND pa2.telemetry_group = pa.telemetry_group
+              AND pa2.telemetry_source = pa.telemetry_source
+              AND fpi2.interval_start = fpi.interval_start
+              AND fpr2.id = fpr.id
+        )
+        SELECT
             CASE
-                WHEN pa.controllable = false THEN ti.gen_port_power_w::NUMERIC
-                ELSE (COALESCE(ti.pv1_power_w, 0) + COALESCE(ti.pv2_power_w, 0))::NUMERIC
-            END
-        ) AS avg_actual_w
-        FROM ems.telemetry_inverter ti
-        WHERE ti.site_id = fpr.site_id
-          AND ti.measured_at >= fpi.interval_start
-          AND ti.measured_at < fpi.interval_start + INTERVAL '15 minutes'
+                WHEN pa.telemetry_group IS NULL THEN (SELECT avg_actual_w FROM base)
+                WHEN (SELECT forecast_group_w FROM grp) IS NULL THEN NULL
+                WHEN (SELECT forecast_group_w FROM grp) <= 0 THEN NULL
+                WHEN (SELECT avg_actual_w FROM base) IS NULL THEN NULL
+                ELSE (SELECT avg_actual_w FROM base) * (fpi.power_w::numeric / (SELECT forecast_group_w FROM grp))
+            END AS avg_actual_w
     ) slot ON true
     WHERE fpr.site_id = p_site_id
       AND fpr.status  = 'ok'