Remove CalDAV support from ical_feeds

ical_feeds is ICS-URL-only; CalDAV access belongs to user_cal.
Drops _fetch_caldav, CalendarEntry.caldav field, and the associated
_DEFAULT_PAST_DAYS/_DEFAULT_FUTURE_DAYS constants.

room_cal/_utils.py

@@ -312,7 +312,6 @@ class RulesConfig:
 class CalendarEntry:
   name: str
   url: str | None = None
-  caldav: str | None = None
   past_days: int | None = None
   future_days: int | None = None
 
@@ -321,7 +320,6 @@ class CalendarEntry:
     return cls(
       name=d['name'],
       url=d.get('url'),
-      caldav=d.get('caldav'),
       past_days=d.get('past_days'),
       future_days=d.get('future_days'),
     )

room_cal/config-all.json

@@ -115,7 +115,6 @@
     {
       "name": "Fire",
       "url": "webcal://cal.4114.us/fire.ics",
-      "caldav": null,
       "past_days": null,
       "future_days": null
     }

room_cal/ical_feeds/__init__.py

@@ -1,5 +1,5 @@
 import urllib.request
-from datetime import date, datetime, timedelta
+from datetime import date, datetime
 
 from room_cal._utils import CalendarEntry, EventSource, get_config
 from room_cal.store import EventRecord
@@ -8,8 +8,6 @@ _source = EventSource('ical_feeds')
 
 
 _TIMEOUT = 15
-_DEFAULT_PAST_DAYS = 365
-_DEFAULT_FUTURE_DAYS = 730
 
 
 def _webcal_to_https(url: str) -> str:
@@ -58,35 +56,8 @@ def _parse_ical(raw_bytes: bytes, calendar_name: str) -> list[EventRecord]:
   return events
 
 
-async def _fetch_caldav(entry: CalendarEntry) -> list[EventRecord]:
-  from room_cal.store import get_calendar
-
-  calendar_name = entry.caldav
-  today = datetime.today().date()
-  start_date = today - timedelta(days=entry.past_days if entry.past_days is not None else _DEFAULT_PAST_DAYS)
-  end_date = today + timedelta(days=entry.future_days if entry.future_days is not None else _DEFAULT_FUTURE_DAYS)
-
-  cal = get_calendar(calendar_name)
-  raw_events = await cal.fetch_date_range(start_date, end_date)
-  return [
-    EventRecord(
-      uid=e['uid'],
-      start=e['start'],
-      end=e['end'],
-      all_day=e['all_day'],
-      title=e['title'],
-      description=e['description'],
-      x_data=e.get('x_data'),
-      _meta={'calendar': entry.name},
-    )
-    for e in raw_events
-  ]
-
-
 async def fetch_calendar(entry: CalendarEntry) -> list[EventRecord]:
-  """Fetch one CalendarEntry (with either url or caldav) and return its events."""
-  if entry.caldav is not None:
-    return await _fetch_caldav(entry)
+  """Fetch one CalendarEntry by URL and return its events."""
   url = _webcal_to_https(entry.url)
   req = urllib.request.Request(url, headers={'User-Agent': 'room_cal/1.0'})
   with urllib.request.urlopen(req, timeout=_TIMEOUT) as resp: