Files
Meal-Planner/backend/app/services/orchestrator/runner.py
T

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2.5 KiB
Python

"""
Orchestrator runner.
run_step(step_name, week_start_date) — execute one step for all families
run_week(week_start_date) — execute all steps in sequence
"""
from __future__ import annotations
import logging
from datetime import date, timedelta
from typing import Optional
from app.database import SessionLocal
logger = logging.getLogger(__name__)
STEPS = ("scrape", "generate", "email", "reminder", "deadline", "finalize")
def _current_week_start() -> date:
"""Return the most recent Friday (today if today is Friday)."""
today = date.today()
days_since_friday = (today.weekday() - 4) % 7
return today - timedelta(days=days_since_friday)
def _get_or_create_run(db, family_id, week_start_date: date):
from app.models import WeeklyRun
run = (
db.query(WeeklyRun)
.filter(
WeeklyRun.family_id == family_id,
WeeklyRun.week_start_date == week_start_date,
)
.first()
)
if run is None:
run = WeeklyRun(
family_id=family_id,
week_start_date=week_start_date,
status="pending",
)
db.add(run)
db.flush()
db.refresh(run)
return run
def run_step(step_name: str, week_start_date: Optional[date] = None) -> None:
from app.models import FamilyProfile
from app.services.orchestrator import steps as s
step_fns = {
"scrape": s.step_scrape,
"generate": s.step_generate,
"email": s.step_email,
"reminder": s.step_reminder,
"deadline": s.step_deadline,
"finalize": s.step_finalize,
}
if step_name not in step_fns:
raise ValueError(f"Unknown step: {step_name!r}. Valid: {list(step_fns)}")
week = week_start_date or _current_week_start()
db = SessionLocal()
try:
families = db.query(FamilyProfile).all()
if not families:
logger.warning("run_step(%s): no family profiles, skipping", step_name)
return
for family in families:
run = _get_or_create_run(db, family.id, week)
try:
step_fns[step_name](run, db)
except Exception:
logger.exception(
"run_step(%s) failed for family %s", step_name, family.id
)
finally:
db.close()
def run_week(week_start_date: Optional[date] = None) -> None:
week = week_start_date or _current_week_start()
for step in STEPS:
run_step(step, week)