import datetime from apscheduler.schedulers.background import BackgroundScheduler from sqlalchemy import or_ from models import Job, Recording, get_session DAY_MAP = { "mo": 1, "mon": 1, "montag": 1, "di": 2, "tue": 2, "dienstag": 2, "mi": 3, "wed": 3, "mittwoch": 3, "do": 4, "thu": 4, "donnerstag": 4, "fr": 5, "fri": 5, "freitag": 5, "sa": 6, "sat": 6, "samstag": 6, "so": 7, "sun": 7, "sonntag": 7, } def _day_to_num(day: str) -> int: return DAY_MAP.get(day.lower().strip(), 0) def _matches_day(today_num: int, schedule: str) -> bool: if schedule.strip() == "*": return True for entry in schedule.split(","): entry = entry.strip() if "-" in entry: parts = entry.split("-", 1) start = _day_to_num(parts[0]) end = _day_to_num(parts[1]) if start <= end: if start <= today_num <= end: return True else: if today_num >= start or today_num <= end: return True else: if _day_to_num(entry) == today_num: return True return False def _time_to_minutes(t: str) -> int: parts = t.split(":") return int(parts[0]) * 60 + int(parts[1]) def _in_time_window(now_time: str, start: str, stop: str) -> bool: now_min = _time_to_minutes(now_time) start_min = _time_to_minutes(start) stop_min = _time_to_minutes(stop) if start_min <= stop_min: return start_min <= now_min < stop_min else: return now_min >= start_min or now_min < stop_min class StreamScheduler: def __init__(self, recorder): self.recorder = recorder self._scheduler = BackgroundScheduler() self._started_keys: set[str] = set() def start(self): self._scheduler.add_job(self._tick, "interval", seconds=30, id="scheduler_tick", replace_existing=True, max_instances=1) self._scheduler.add_job(self.recorder.check_scheduled_stops, "interval", seconds=10, id="check_stops", replace_existing=True, max_instances=1) self._scheduler.start() def stop(self): self._scheduler.shutdown(wait=False) def _occurrence_key(self, job: Job) -> str: today = datetime.date.today().isoformat() if job.schedule_once: today = job.schedule_date or today return f"{job.id}|{job.schedule_once}|{today}|{job.schedule_start}" def _schedule_state(self, job: dict, now: datetime.datetime | None = None) -> dict: now = now or datetime.datetime.now() today_num = now.isoweekday() today_date = now.strftime("%Y-%m-%d") now_time = now.strftime("%H:%M") occ_key = ( f"{job['id']}|{job['schedule_once']}|" f"{today_date if not job['schedule_once'] else job['schedule_date']}|" f"{job['schedule_start']}" ) is_today = False multi_day = bool(job.get("schedule_end_date") and job["schedule_once"]) if job["schedule_once"]: if job["schedule_date"] == today_date: is_today = True else: if _matches_day(today_num, job["schedule_days"] or "*"): is_today = True in_window = False is_cross_midnight = False if is_today: if multi_day: now_min = _time_to_minutes(now_time) start_min = _time_to_minutes(job["schedule_start"]) in_window = now_min >= start_min elif job["schedule_stop"]: start_min = _time_to_minutes(job["schedule_start"]) stop_min = _time_to_minutes(job["schedule_stop"]) if stop_min <= start_min: is_cross_midnight = True now_min = _time_to_minutes(now_time) in_window = now_min >= start_min else: in_window = _in_time_window(now_time, job["schedule_start"], job["schedule_stop"]) else: now_min = _time_to_minutes(now_time) start_min = _time_to_minutes(job["schedule_start"]) in_window = now_min >= start_min return { "occ_key": occ_key, "in_window": in_window, "multi_day": multi_day, "is_cross_midnight": is_cross_midnight, } def suppress_current_occurrence(self, job_id: int) -> bool: session = get_session() try: j = session.query(Job).filter_by(id=job_id).first() if not j or not j.schedule_enabled or not j.schedule_start: return False job = { "id": j.id, "schedule_once": j.schedule_once, "schedule_date": j.schedule_date, "schedule_days": j.schedule_days, "schedule_start": j.schedule_start, "schedule_stop": j.schedule_stop, "schedule_end_date": j.schedule_end_date, } finally: session.close() state = self._schedule_state(job) if not state["in_window"]: return False self._started_keys.add(state["occ_key"]) return True def _occurrence_start_utc(self, job: dict, now: datetime.datetime) -> datetime.datetime | None: date_text = job["schedule_date"] if job["schedule_once"] else now.strftime("%Y-%m-%d") try: local_start = datetime.datetime.strptime( f"{date_text} {job['schedule_start']}", "%Y-%m-%d %H:%M", ) except (TypeError, ValueError): return None local_utc_offset = datetime.datetime.now() - datetime.datetime.utcnow() return local_start - local_utc_offset def _has_recording_for_occurrence(self, job: dict, now: datetime.datetime) -> bool: occurrence_start = self._occurrence_start_utc(job, now) if occurrence_start is None: return False session = get_session() try: return session.query(Recording).filter( Recording.job_id == job["id"], or_( Recording.started_at >= occurrence_start, Recording.stopped_at >= occurrence_start, ), ).first() is not None finally: session.close() def _is_job_recording(self, job_id: int) -> bool: session = get_session() try: return session.query(Recording).filter( Recording.job_id == job_id, Recording.status.in_(["running", "starting"]), ).first() is not None finally: session.close() def _get_active_scheduled_recording_for_job(self, job_id: int): session = get_session() try: rec = session.query(Recording).filter( Recording.job_id == job_id, Recording.status.in_(["running", "starting"]), Recording.is_scheduled == True, ).first() return rec.id if rec else None finally: session.close() def _tick(self): now = datetime.datetime.now() session = get_session() try: jobs = session.query(Job).filter_by(schedule_enabled=True).all() job_list = [] for j in jobs: job_list.append({ "id": j.id, "name": j.name, "stream_url": j.stream_url, "stream_type": j.stream_type, "output_format": j.output_format, "max_duration": j.max_duration, "extra_ffmpeg_args": j.extra_ffmpeg_args, "segment_duration": j.segment_duration, "schedule_once": j.schedule_once, "schedule_date": j.schedule_date, "schedule_days": j.schedule_days, "schedule_start": j.schedule_start, "schedule_stop": j.schedule_stop, "schedule_end_date": j.schedule_end_date, "description": j.description, "metadata_monitor_enabled": j.metadata_monitor_enabled, "metadata_pattern": j.metadata_pattern, "metadata_grace_period": j.metadata_grace_period, "metadata_poll_interval": j.metadata_poll_interval, "ntfy_enabled": j.ntfy_enabled, "plik_enabled": j.plik_enabled, "delete_after_upload": j.delete_after_upload, }) finally: session.close() for job in job_list: if not job["schedule_start"]: continue state = self._schedule_state(job, now) in_window = state["in_window"] occ_key = state["occ_key"] if in_window: if ( occ_key not in self._started_keys and not self._is_job_recording(job["id"]) and not self._has_recording_for_occurrence(job, now) ): duration = job["max_duration"] if not duration and job["schedule_stop"]: if state["multi_day"]: start_dt = datetime.datetime.strptime( f"{job['schedule_date']} {job['schedule_start']}", "%Y-%m-%d %H:%M") end_dt = datetime.datetime.strptime( f"{job['schedule_end_date']} {job['schedule_stop']}", "%Y-%m-%d %H:%M") duration = max(0, int((end_dt - start_dt).total_seconds())) else: start_min = _time_to_minutes(job["schedule_start"]) stop_min = _time_to_minutes(job["schedule_stop"]) if stop_min > start_min: duration = (stop_min - start_min) * 60 else: duration = (1440 - start_min + stop_min) * 60 self.recorder.start_recording( job_id=job["id"], name=job["name"], stream_url=job["stream_url"], stream_type=job["stream_type"], output_format=job["output_format"] or "", max_duration=duration, extra_ffmpeg_args=job["extra_ffmpeg_args"] or "", segment_duration=job["segment_duration"], is_scheduled=True, description=job.get("description", ""), metadata_monitor_enabled=job.get("metadata_monitor_enabled", False), metadata_pattern=job.get("metadata_pattern", ""), metadata_grace_period=job.get("metadata_grace_period") or 300, metadata_poll_interval=job.get("metadata_poll_interval") or 30, ntfy_enabled=job.get("ntfy_enabled", False), plik_enabled=job.get("plik_enabled", False), delete_after_upload=job.get("delete_after_upload", False), ) self._started_keys.add(occ_key) else: if ( not state["multi_day"] and not state["is_cross_midnight"] and job["schedule_stop"] and self._is_job_recording(job["id"]) ): rec_id = self._get_active_scheduled_recording_for_job(job["id"]) if rec_id: self.recorder.stop_recording(rec_id) self._started_keys.discard(occ_key)