do flow pridana ekonomika

backend/app/routers/energy_flows.py

@@ -32,6 +32,10 @@ class DailyEnergyFlows(BaseModel):
     batt_to_grid_kwh: float
     grid_to_load_kwh: float
     grid_to_batt_kwh: float
+    grid_import_cashflow_czk: float
+    grid_export_revenue_czk: float
+    grid_to_load_cost_czk: float
+    grid_to_batt_cost_czk: float
 
 
 class DailyEnergyFlowsResponse(BaseModel):
@@ -92,6 +96,10 @@ def _row_to_daily(r: Any) -> DailyEnergyFlows:
         batt_to_grid_kwh=_num(r["batt_to_grid_kwh"]),
         grid_to_load_kwh=_num(r["grid_to_load_kwh"]),
         grid_to_batt_kwh=_num(r["grid_to_batt_kwh"]),
+        grid_import_cashflow_czk=_num(r["grid_import_cashflow_czk"]),
+        grid_export_revenue_czk=_num(r["grid_export_revenue_czk"]),
+        grid_to_load_cost_czk=_num(r["grid_to_load_cost_czk"]),
+        grid_to_batt_cost_czk=_num(r["grid_to_batt_cost_czk"]),
     )
 
 
@@ -148,8 +156,39 @@ async def get_energy_flows_daily(
                 ROUND(SUM(COALESCE(ai.flow_grid_to_load_wh, 0)) / 1000, 3)
                     AS grid_to_load_kwh,
                 ROUND(SUM(COALESCE(ai.flow_grid_to_batt_wh, 0)) / 1000, 3)
-                    AS grid_to_batt_kwh
+                    AS grid_to_batt_kwh,
+                ROUND(
+                    SUM(
+                        COALESCE(ai.actual_grid_import_wh, 0) / 1000.0
+                        * COALESCE(ep.effective_buy_price_czk_kwh, 0)
+                    ),
+                    2
+                ) AS grid_import_cashflow_czk,
+                ROUND(
+                    SUM(
+                        COALESCE(ai.actual_grid_export_wh, 0) / 1000.0
+                        * COALESCE(ep.effective_sell_price_czk_kwh, 0)
+                    ),
+                    2
+                ) AS grid_export_revenue_czk,
+                ROUND(
+                    SUM(
+                        COALESCE(ai.flow_grid_to_load_wh, 0) / 1000.0
+                        * COALESCE(ep.effective_buy_price_czk_kwh, 0)
+                    ),
+                    2
+                ) AS grid_to_load_cost_czk,
+                ROUND(
+                    SUM(
+                        COALESCE(ai.flow_grid_to_batt_wh, 0) / 1000.0
+                        * COALESCE(ep.effective_buy_price_czk_kwh, 0)
+                    ),
+                    2
+                ) AS grid_to_batt_cost_czk
             FROM ems.audit_interval ai
+            LEFT JOIN ems.vw_site_effective_price ep
+                ON ep.site_id = ai.site_id
+               AND ep.interval_start = ai.interval_start
             WHERE ai.site_id = $1
               AND (date_trunc('day', ai.interval_start AT TIME ZONE 'Europe/Prague'))::date
                   >= $2