fix(simulation): use hydraulic timestep

app/api/v1/endpoints/simulation.py

@@ -35,7 +35,11 @@ from app.services.simulation_ops import (
     daily_scheduling_simulation,
 )
 from app.services.valve_isolation import analyze_valve_isolation
-from app.services.time_api import parse_aware_time, parse_utc_time
+from app.services.time_api import (
+    parse_aware_time,
+    parse_clock_duration_seconds,
+    parse_utc_time,
+)
 from pydantic import BaseModel, Field, field_validator
 
 router = APIRouter()
@@ -118,6 +122,14 @@ def run_simulation_manually_by_date(
     network_name: str, start_time: datetime, duration: int
 ) -> None:
     end_datetime = start_time + timedelta(minutes=duration)
+    time_properties = simulation.get_time(network_name)
+    hydraulic_step_seconds = parse_clock_duration_seconds(
+        time_properties["HYDRAULIC TIMESTEP"],
+        field_name="HYDRAULIC TIMESTEP",
+    )
+    if hydraulic_step_seconds <= 0:
+        raise ValueError("HYDRAULIC TIMESTEP must be greater than 0.")
+    hydraulic_step = timedelta(seconds=hydraulic_step_seconds)
     current_time = start_time
     while current_time < end_datetime:
         simulation.run_simulation(
@@ -125,7 +137,7 @@ def run_simulation_manually_by_date(
             simulation_type="realtime",
             modify_pattern_start_time=current_time.isoformat(timespec="seconds"),
         )
-        current_time += timedelta(minutes=15)
+        current_time += hydraulic_step
 
 
 # 必须用这个PlainTextResponse，不然每个key都有引号