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Made-with: Cursor
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Dusan Vojacek
2026-03-20 13:27:37 +01:00
commit 8b4af663d8
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"""FastAPI routers."""

237
backend/app/routers/plan.py Normal file
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"""REST API aktivní plán a ruční přepočet."""
from datetime import datetime
from typing import Annotated, Any, Literal
import asyncpg
from fastapi import APIRouter, Depends, HTTPException, Query
from pydantic import BaseModel, Field
from app.deps import get_pg_pool
from services.planning_engine import run_plan_api
router = APIRouter(prefix="/sites/{site_id}/plan", tags=["plan"])
class PlanningRunOut(BaseModel):
id: int
created_at: datetime
run_type: str
horizon_start: datetime
horizon_end: datetime
forecast_correction_factor: float | None = None
solver_duration_ms: int | None = None
class PlanningIntervalOut(BaseModel):
interval_start: datetime
battery_setpoint_w: int | None = None
battery_soc_target_pct: float | None = None
grid_setpoint_w: int | None = None
ev1_setpoint_w: int | None = None
ev2_setpoint_w: int | None = None
heat_pump_enabled: bool | None = None
pv_a_curtailed_w: int | None = None
expected_cost_czk: float | None = None
effective_buy_price: float | None = None
effective_sell_price: float | None = None
pv_forecast_total_w: int | None = Field(
default=None,
description="Součet FVE forecast A+B pro graf (k aktuálnímu slotu z DB).",
)
load_baseline_w: int | None = Field(
default=None,
description="Bazální spotřeba forecast pro graf.",
)
class PlanningSummaryOut(BaseModel):
total_expected_cost_czk: float
total_pv_curtailed_kwh: float
charge_slots: int
discharge_slots: int
export_slots: int
class CurrentPlanResponse(BaseModel):
run: PlanningRunOut | None
intervals: list[PlanningIntervalOut]
summary: PlanningSummaryOut | None
class RunPlanResponse(BaseModel):
run_id: int
solver_duration_ms: int
def _build_summary(intervals: list[dict[str, Any]]) -> PlanningSummaryOut:
total_cost = 0.0
curtailed_wh = 0.0
charge_slots = 0
discharge_slots = 0
export_slots = 0
for row in intervals:
ec = row.get("expected_cost_czk")
if ec is not None:
total_cost += float(ec)
c = row.get("pv_a_curtailed_w") or 0
curtailed_wh += int(c) * 0.25
b = row.get("battery_setpoint_w")
if b is not None:
if int(b) > 0:
charge_slots += 1
elif int(b) < 0:
discharge_slots += 1
g = row.get("grid_setpoint_w")
if g is not None and int(g) < 0:
export_slots += 1
return PlanningSummaryOut(
total_expected_cost_czk=round(total_cost, 4),
total_pv_curtailed_kwh=round(curtailed_wh / 1000.0, 6),
charge_slots=charge_slots,
discharge_slots=discharge_slots,
export_slots=export_slots,
)
@router.get("/current", response_model=CurrentPlanResponse)
async def get_current_plan(
site_id: int,
pool: Annotated[asyncpg.Pool, Depends(get_pg_pool)],
) -> CurrentPlanResponse:
async with pool.acquire() as conn:
exists = await conn.fetchval("SELECT 1 FROM ems.site WHERE id = $1", site_id)
if not exists:
raise HTTPException(status_code=404, detail="Site not found")
run_row = await conn.fetchrow(
"""
SELECT id, created_at, run_type, horizon_start, horizon_end,
forecast_correction_factor, solver_duration_ms
FROM ems.planning_run
WHERE site_id = $1 AND status = 'active'
ORDER BY created_at DESC
LIMIT 1
""",
site_id,
)
if not run_row:
return CurrentPlanResponse(run=None, intervals=[], summary=None)
run_id = run_row["id"]
int_rows = await conn.fetch(
"""
SELECT
pi.interval_start,
pi.battery_setpoint_w,
pi.battery_soc_target_pct,
pi.grid_setpoint_w,
pi.ev1_setpoint_w,
pi.ev2_setpoint_w,
pi.heat_pump_enabled,
pi.pv_a_curtailed_w,
pi.expected_cost_czk,
pi.effective_buy_price,
pi.effective_sell_price,
COALESCE(fa.power_w, 0) + COALESCE(fb.power_w, 0) AS pv_forecast_total_w,
COALESCE(cbi.power_w, 500) AS load_baseline_w
FROM ems.planning_interval pi
LEFT JOIN LATERAL (
SELECT fpi.power_w
FROM ems.forecast_pv_interval fpi
JOIN ems.forecast_pv_run fpr ON fpr.id = fpi.run_id
JOIN ems.asset_pv_array apa ON apa.id = fpi.pv_array_id AND apa.site_id = fpr.site_id
WHERE fpr.site_id = $2
AND apa.code = 'pv-a'
AND fpi.interval_start = pi.interval_start
AND fpr.status = 'ok'
ORDER BY fpr.created_at DESC
LIMIT 1
) fa ON true
LEFT JOIN LATERAL (
SELECT fpi.power_w
FROM ems.forecast_pv_interval fpi
JOIN ems.forecast_pv_run fpr ON fpr.id = fpi.run_id
JOIN ems.asset_pv_array apa ON apa.id = fpi.pv_array_id AND apa.site_id = fpr.site_id
WHERE fpr.site_id = $2
AND apa.code = 'pv-b'
AND fpi.interval_start = pi.interval_start
AND fpr.status = 'ok'
ORDER BY fpr.created_at DESC
LIMIT 1
) fb ON true
LEFT JOIN ems.consumption_baseline_interval cbi
ON cbi.site_id = $2
AND cbi.interval_start = pi.interval_start
AND cbi.data_type = 'forecast'
WHERE pi.run_id = $1
ORDER BY pi.interval_start
""",
run_id,
site_id,
)
intervals_dicts = [dict(r) for r in int_rows]
summary = _build_summary(intervals_dicts) if intervals_dicts else None
run_out = PlanningRunOut(
id=run_row["id"],
created_at=run_row["created_at"],
run_type=run_row["run_type"],
horizon_start=run_row["horizon_start"],
horizon_end=run_row["horizon_end"],
forecast_correction_factor=float(run_row["forecast_correction_factor"])
if run_row["forecast_correction_factor"] is not None
else None,
solver_duration_ms=run_row["solver_duration_ms"],
)
intervals_out = [
PlanningIntervalOut(
interval_start=r["interval_start"],
battery_setpoint_w=r["battery_setpoint_w"],
battery_soc_target_pct=float(r["battery_soc_target_pct"])
if r["battery_soc_target_pct"] is not None
else None,
grid_setpoint_w=r["grid_setpoint_w"],
ev1_setpoint_w=r["ev1_setpoint_w"],
ev2_setpoint_w=r["ev2_setpoint_w"],
heat_pump_enabled=r["heat_pump_enabled"],
pv_a_curtailed_w=r["pv_a_curtailed_w"],
expected_cost_czk=float(r["expected_cost_czk"])
if r["expected_cost_czk"] is not None
else None,
effective_buy_price=float(r["effective_buy_price"])
if r["effective_buy_price"] is not None
else None,
effective_sell_price=float(r["effective_sell_price"])
if r["effective_sell_price"] is not None
else None,
pv_forecast_total_w=int(r["pv_forecast_total_w"] or 0),
load_baseline_w=int(r["load_baseline_w"] or 0),
)
for r in intervals_dicts
]
return CurrentPlanResponse(run=run_out, intervals=intervals_out, summary=summary)
@router.post("/run", response_model=RunPlanResponse)
async def post_run_plan(
site_id: int,
pool: Annotated[asyncpg.Pool, Depends(get_pg_pool)],
plan_type: Literal["daily", "rolling"] = Query(..., alias="type"),
) -> RunPlanResponse:
async with pool.acquire() as conn:
exists = await conn.fetchval("SELECT 1 FROM ems.site WHERE id = $1", site_id)
if not exists:
raise HTTPException(status_code=404, detail="Site not found")
try:
run_id, duration_ms = await run_plan_api(
site_id, conn, plan_type=plan_type, triggered_by="api"
)
except ValueError as e:
raise HTTPException(status_code=400, detail=str(e)) from e
except RuntimeError as e:
raise HTTPException(status_code=500, detail=str(e)) from e
return RunPlanResponse(run_id=run_id, solver_duration_ms=duration_ms)