Files
stream-recorder/bin/backend/scheduler.py
T
Patrick AsmusandClaude Opus 4.6 b446ce9b3e
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-09-16 09:40:40 +02:00

212 lines
9.0 KiB
Python

import datetime
from apscheduler.schedulers.background import BackgroundScheduler
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 _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()
today_num = now.isoweekday()
today_date = now.strftime("%Y-%m-%d")
now_time = now.strftime("%H:%M")
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
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
occ_key = f"{job['id']}|{job['schedule_once']}|{today_date if not job['schedule_once'] else job['schedule_date']}|{job['schedule_start']}"
if in_window:
if occ_key not in self._started_keys and not self._is_job_recording(job["id"]):
duration = job["max_duration"]
if not duration and job["schedule_stop"]:
if 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 multi_day and not 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)