Add calendar invites panel to Calendar TUI sidebar
- Create InvitesPanel widget showing pending invites from Microsoft Graph - Add fetch_pending_invites() and respond_to_invite() API functions - Invites load asynchronously in background on app mount - Display invite subject, date/time, and organizer - Add 'i' keybinding to focus invites panel - Style: tentative invites shown in warning color
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Bendt
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src/calendar/widgets/InvitesPanel.py
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209
src/calendar/widgets/InvitesPanel.py
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"""Calendar invites panel widget for Calendar TUI sidebar.
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Displays pending calendar invites that need a response.
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"""
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from dataclasses import dataclass
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from datetime import datetime
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from typing import List, Optional
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from rich.segment import Segment
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from rich.style import Style
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from textual.message import Message
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from textual.reactive import reactive
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from textual.strip import Strip
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from textual.widget import Widget
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@dataclass
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class CalendarInvite:
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"""A calendar invite pending response."""
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id: str
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subject: str
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organizer: str
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start: datetime
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end: datetime
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location: Optional[str] = None
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is_all_day: bool = False
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response_status: str = "notResponded" # notResponded, tentativelyAccepted
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class InvitesPanel(Widget):
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"""Panel showing pending calendar invites."""
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DEFAULT_CSS = """
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InvitesPanel {
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width: 100%;
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height: auto;
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min-height: 3;
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padding: 0 1;
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}
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"""
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# Reactive attributes
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invites: reactive[List[CalendarInvite]] = reactive(list)
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selected_index: reactive[int] = reactive(0)
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class InviteSelected(Message):
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"""An invite was selected."""
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def __init__(self, invite: CalendarInvite) -> None:
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super().__init__()
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self.invite = invite
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class InviteRespond(Message):
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"""User wants to respond to an invite."""
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def __init__(self, invite: CalendarInvite, response: str) -> None:
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super().__init__()
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self.invite = invite
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self.response = response # accept, tentativelyAccept, decline
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def __init__(
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self,
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invites: Optional[List[CalendarInvite]] = None,
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name: Optional[str] = None,
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id: Optional[str] = None,
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classes: Optional[str] = None,
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) -> None:
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super().__init__(name=name, id=id, classes=classes)
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if invites:
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self.invites = invites
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def _get_theme_color(self, color_name: str) -> str:
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"""Get a color from the current theme."""
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try:
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theme = self.app.current_theme
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color = getattr(theme, color_name, None)
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if color:
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return str(color)
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except Exception:
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pass
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# Fallback colors
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fallbacks = {
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"secondary": "#81A1C1",
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"primary": "#88C0D0",
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"accent": "#B48EAD",
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"foreground": "#D8DEE9",
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"surface": "#3B4252",
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"warning": "#EBCB8B",
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}
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return fallbacks.get(color_name, "white")
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def get_content_height(self, container, viewport, width: int) -> int:
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"""Calculate height: header + invite rows."""
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# Header (1) + invites (2 lines each) + empty message if no invites
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if not self.invites:
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return 2 # Header + "No pending invites"
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return 1 + len(self.invites) * 2 # Header + 2 lines per invite
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def render_line(self, y: int) -> Strip:
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"""Render a line of the panel."""
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if y == 0:
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return self._render_header()
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if not self.invites:
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if y == 1:
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return self._render_empty_message()
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return Strip.blank(self.size.width)
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# Each invite takes 2 lines
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invite_idx = (y - 1) // 2
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line_in_invite = (y - 1) % 2
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if 0 <= invite_idx < len(self.invites):
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return self._render_invite_line(
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self.invites[invite_idx],
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line_in_invite,
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invite_idx == self.selected_index,
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)
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return Strip.blank(self.size.width)
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def _render_header(self) -> Strip:
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"""Render the panel header."""
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primary_color = self._get_theme_color("primary")
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count = len(self.invites)
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header = f"Invites ({count})" if count else "Invites"
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header = header[: self.size.width].ljust(self.size.width)
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style = Style(bold=True, color=primary_color)
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return Strip([Segment(header, style)])
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def _render_empty_message(self) -> Strip:
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"""Render empty state message."""
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msg = "No pending invites"
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msg = msg[: self.size.width].ljust(self.size.width)
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style = Style(color="bright_black")
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return Strip([Segment(msg, style)])
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def _render_invite_line(
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self, invite: CalendarInvite, line: int, is_selected: bool
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) -> Strip:
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"""Render a line of an invite."""
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if line == 0:
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# First line: subject (truncated)
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text = invite.subject[: self.size.width - 2]
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if is_selected:
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text = "> " + text[: self.size.width - 2]
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text = text[: self.size.width].ljust(self.size.width)
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if is_selected:
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style = Style(bold=True, reverse=True)
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else:
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style = Style()
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return Strip([Segment(text, style)])
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else:
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# Second line: date/time and organizer
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date_str = invite.start.strftime("%m/%d %H:%M")
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organizer = invite.organizer[:15] if invite.organizer else ""
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info = f" {date_str} - {organizer}"
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info = info[: self.size.width].ljust(self.size.width)
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warning_color = self._get_theme_color("warning")
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if invite.response_status == "tentativelyAccepted":
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style = Style(color=warning_color, italic=True)
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else:
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style = Style(color="bright_black")
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return Strip([Segment(info, style)])
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def set_invites(self, invites: List[CalendarInvite]) -> None:
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"""Update the list of invites."""
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self.invites = invites
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if self.selected_index >= len(invites):
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self.selected_index = max(0, len(invites) - 1)
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self.refresh()
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def select_next(self) -> None:
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"""Select the next invite."""
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if self.invites and self.selected_index < len(self.invites) - 1:
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self.selected_index += 1
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self.refresh()
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def select_previous(self) -> None:
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"""Select the previous invite."""
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if self.invites and self.selected_index > 0:
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self.selected_index -= 1
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self.refresh()
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def get_selected_invite(self) -> Optional[CalendarInvite]:
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"""Get the currently selected invite."""
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if self.invites and 0 <= self.selected_index < len(self.invites):
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return self.invites[self.selected_index]
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return None
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def on_click(self, event) -> None:
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"""Handle mouse clicks."""
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y = event.y
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if y == 0 or not self.invites:
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return
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# Calculate which invite was clicked
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invite_idx = (y - 1) // 2
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if 0 <= invite_idx < len(self.invites):
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self.selected_index = invite_idx
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self.post_message(self.InviteSelected(self.invites[invite_idx]))
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self.refresh()
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