Add CalDAV calendar integration, LLM-suggested tags, and settings refinements

- CalDAV integration: per-user calendar config, create/list/search events
  via caldav library, LLM tools for calendar operations from chat
- LLM-suggested tags: new tag_suggestions service prompts LLM with existing
  tags and note content to suggest 3-5 relevant tags; exposed via API
  endpoints (suggest-tags, append-tag); integrated into editor views
  (suggest button + clickable pills) and chat tool calls (pills in
  ToolCallCard with one-click apply)
- Settings/model UI refinements, generation task improvements

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-02-15 22:40:20 -05:00
parent 8996b45e50
commit d7bc3f3222
22 changed files with 1158 additions and 837 deletions
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"""CalDAV calendar integration service."""
import asyncio
import logging
from datetime import datetime, timedelta
import caldav
import icalendar
from fabledassistant.services.settings import get_all_settings
logger = logging.getLogger(__name__)
CALDAV_SETTING_KEYS = ["caldav_url", "caldav_username", "caldav_password", "caldav_calendar_name"]
async def get_caldav_config(user_id: int) -> dict[str, str]:
"""Read CalDAV settings for the given user."""
all_settings = await get_all_settings(user_id)
return {k: all_settings.get(k, "") for k in CALDAV_SETTING_KEYS}
async def is_caldav_configured(user_id: int) -> bool:
"""Check if CalDAV URL, username, and password are all set."""
config = await get_caldav_config(user_id)
return bool(config.get("caldav_url") and config.get("caldav_username") and config.get("caldav_password"))
def _get_calendar(client: caldav.DAVClient, calendar_name: str) -> caldav.Calendar:
"""Get a named calendar or the first available one (synchronous)."""
principal = client.principal()
calendars = principal.calendars()
if not calendars:
raise ValueError("No calendars found on the CalDAV server.")
if calendar_name:
for cal in calendars:
if cal.name == calendar_name:
return cal
names = [c.name for c in calendars]
raise ValueError(f"Calendar '{calendar_name}' not found. Available: {', '.join(names)}")
return calendars[0]
def _make_client(config: dict[str, str]) -> caldav.DAVClient:
"""Create a CalDAV client from config dict."""
return caldav.DAVClient(
url=config["caldav_url"],
username=config["caldav_username"],
password=config["caldav_password"],
)
def _parse_vevent(component) -> dict | None:
"""Extract event data from a VEVENT component."""
if component.name != "VEVENT":
return None
title = str(component.get("SUMMARY", ""))
dtstart = component.get("DTSTART")
dtend = component.get("DTEND")
location = str(component.get("LOCATION", ""))
start_str = dtstart.dt.isoformat() if dtstart else ""
end_str = dtend.dt.isoformat() if dtend else ""
return {
"title": title,
"start": start_str,
"end": end_str,
"location": location,
}
async def create_event(
user_id: int,
title: str,
start: str,
end: str | None = None,
duration: int | None = None,
description: str | None = None,
location: str | None = None,
) -> dict:
"""Create a calendar event. start/end are ISO datetime strings."""
config = await get_caldav_config(user_id)
if not (config.get("caldav_url") and config.get("caldav_username") and config.get("caldav_password")):
raise ValueError("CalDAV is not configured. Go to Settings → Calendar to set it up.")
dt_start = datetime.fromisoformat(start)
if end:
dt_end = datetime.fromisoformat(end)
else:
dt_end = dt_start + timedelta(minutes=duration or 60)
cal = icalendar.Calendar()
cal.add("prodid", "-//FabledAssistant//EN")
cal.add("version", "2.0")
event = icalendar.Event()
event.add("summary", title)
event.add("dtstart", dt_start)
event.add("dtend", dt_end)
if description:
event.add("description", description)
if location:
event.add("location", location)
cal.add_component(event)
ical_str = cal.to_ical().decode("utf-8")
def _save():
client = _make_client(config)
calendar = _get_calendar(client, config.get("caldav_calendar_name", ""))
calendar.save_event(ical_str)
await asyncio.to_thread(_save)
return {
"title": title,
"start": dt_start.isoformat(),
"end": dt_end.isoformat(),
}
async def list_events(user_id: int, date_from: str, date_to: str) -> list[dict]:
"""List calendar events in a date range. Dates are ISO datetime strings."""
config = await get_caldav_config(user_id)
if not (config.get("caldav_url") and config.get("caldav_username") and config.get("caldav_password")):
raise ValueError("CalDAV is not configured. Go to Settings → Calendar to set it up.")
dt_from = datetime.fromisoformat(date_from)
dt_to = datetime.fromisoformat(date_to)
def _search():
client = _make_client(config)
calendar = _get_calendar(client, config.get("caldav_calendar_name", ""))
return calendar.date_search(dt_from, dt_to)
results = await asyncio.to_thread(_search)
events = []
for result in results:
cal = icalendar.Calendar.from_ical(result.data)
for component in cal.walk():
parsed = _parse_vevent(component)
if parsed:
events.append(parsed)
return events
async def search_events(user_id: int, query: str, days_ahead: int = 90) -> list[dict]:
"""Search events by keyword in the next N days."""
now = datetime.now()
date_from = now.isoformat()
date_to = (now + timedelta(days=days_ahead)).isoformat()
all_events = await list_events(user_id, date_from, date_to)
q = query.lower()
return [
e for e in all_events
if q in e["title"].lower() or q in e.get("location", "").lower()
]
async def test_connection(user_id: int) -> dict:
"""Test the CalDAV connection and return status."""
config = await get_caldav_config(user_id)
if not (config.get("caldav_url") and config.get("caldav_username") and config.get("caldav_password")):
return {"success": False, "error": "CalDAV is not configured. Please fill in URL, username, and password."}
def _test():
client = _make_client(config)
principal = client.principal()
calendars = principal.calendars()
return [c.name for c in calendars]
try:
calendar_names = await asyncio.to_thread(_test)
return {
"success": True,
"calendars": calendar_names,
"message": f"Connected successfully. Found {len(calendar_names)} calendar(s).",
}
except Exception as e:
error_msg = str(e)
if "401" in error_msg or "403" in error_msg or "Unauthorized" in error_msg:
error_msg = "Authentication failed. Check your username and password."
elif "404" in error_msg or "Not Found" in error_msg:
error_msg = "CalDAV endpoint not found. Check your URL."
elif "Connection" in error_msg or "resolve" in error_msg:
error_msg = f"Connection failed: {error_msg}"
return {"success": False, "error": error_msg}