added fitness

backend/app/fitness/reminders.py

@@ -0,0 +1,114 @@
+from datetime import datetime, timedelta, timezone
+
+from sqlalchemy import select
+from sqlalchemy.orm import Session
+
+from app.config import get_settings
+from app.db.base import SessionLocal
+from app.db.models import ChatSession, FitnessReminder, Message
+from app.fitness.service import FitnessService
+
+KIND_LABELS = {
+    "water": "Вода",
+    "meal": "Еда",
+    "workout": "Тренировка",
+    "weigh_in": "Взвешивание",
+}
+
+
+def _post_fitness_notice(content: str) -> None:
+    db = SessionLocal()
+    try:
+        session = db.scalar(
+            select(ChatSession).order_by(ChatSession.updated_at.desc()).limit(1)
+        )
+        if not session:
+            session = ChatSession(title="Фитнес")
+            db.add(session)
+            db.commit()
+            db.refresh(session)
+        db.add(Message(session_id=session.id, role="notice", content=content))
+        db.commit()
+    finally:
+        db.close()
+
+
+def _build_notice(kind: str, summary: dict) -> str:
+    label = KIND_LABELS.get(kind, kind)
+    totals = summary.get("totals") or {}
+    targets = summary.get("targets") or {}
+    water_l = totals.get("water_ml", 0) / 1000
+    water_target = targets.get("water_ml", 2500) / 1000
+    cals = totals.get("calories", 0)
+    cal_target = targets.get("calories", 2000)
+
+    if kind == "water":
+        return (
+            f"💪 **{label}** · выпито {water_l:.1f}/{water_target:.1f} л сегодня. "
+            "Пора выпить стакан воды."
+        )
+    if kind == "meal":
+        return (
+            f"💪 **{label}** · {cals:.0f}/{cal_target:.0f} ккал за день. "
+            "Не забудь залогировать приём пищи."
+        )
+    if kind == "workout":
+        workouts = summary.get("workouts") or []
+        if workouts:
+            return f"💪 **{label}** · сегодня уже была тренировка. Отдыхай или лёгкая активность."
+        return "💪 **Тренировка** · запланирована на сегодня. Время двигаться!"
+    if kind == "weigh_in":
+        return "💪 **Взвешивание** · пора записать вес (log_weight)."
+    return f"💪 **{label}** · напоминание"
+
+
+def check_reminders(db: Session) -> list[str]:
+    if not get_settings().fitness_reminders_enabled:
+        return []
+
+    now = datetime.now(timezone.utc)
+    service = FitnessService(db)
+    summary = service.get_daily_summary()
+    fired: list[str] = []
+
+    reminders = db.scalars(
+        select(FitnessReminder).where(FitnessReminder.enabled.is_(True))
+    ).all()
+
+    for rem in reminders:
+        should_fire = False
+
+        if rem.interval_hours:
+            if rem.last_fired_at is None:
+                should_fire = now.hour >= rem.hour
+            else:
+                delta = now - rem.last_fired_at.replace(tzinfo=timezone.utc)
+                should_fire = delta >= timedelta(hours=rem.interval_hours)
+        else:
+            if rem.kind == "weigh_in":
+                if rem.last_fired_at:
+                    delta = now - rem.last_fired_at.replace(tzinfo=timezone.utc)
+                    should_fire = delta >= timedelta(days=7)
+                else:
+                    should_fire = now.hour == rem.hour and now.minute >= rem.minute
+            else:
+                if rem.last_fired_at:
+                    last = rem.last_fired_at.replace(tzinfo=timezone.utc)
+                    already_today = last.date() == now.date()
+                    if already_today:
+                        continue
+                should_fire = now.hour == rem.hour and now.minute >= rem.minute
+
+        if not should_fire:
+            continue
+
+        notice = _build_notice(rem.kind, summary)
+        rem.last_fired_at = now
+        fired.append(notice)
+
+    if fired:
+        db.commit()
+        for notice in fired:
+            _post_fitness_notice(notice)
+
+    return fired