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