My-Weekly-ToDo-List/src/lib/calendar-events.ts
mARTin 57eeb3d8e8 feat: recurring event delete options (this/future/all instances)
When deleting a recurring calendar event, users now choose between
deleting just this instance, this and future instances, or all instances.
Supports Google, Apple (iCloud), and Synology CalDAV providers.

v1.62.0

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-23 22:06:23 +01:00

1386 lines
52 KiB
TypeScript

import { GoogleCalendarEvent, getUserCalendars as getGoogleCalendars, getUpcomingEvents as getGoogleEvents, initializeOAuth as initializeGoogleOAuth } from './google-calendar';
import { AppleCalendarEvent, getUserCalendars as getAppleCalendars, getUpcomingEvents as getAppleEvents } from './apple-calendar';
import { getUpcomingEvents as getOutlookEvents, refreshAccessToken as refreshOutlookTokenAPI, createEvent as createOutlookEvent, updateEvent as updateOutlookEvent, deleteEvent as deleteOutlookEvent } from './outlook-calendar';
import { getUserCalendars as getSynologyCalendars, getUpcomingEvents as getSynologyEvents } from './synology-calendar';
import { getUpcomingEvents as getNotionEvents, refreshAccessToken as refreshNotionToken } from './notion-calendar';
import { PrismaClient } from '@prisma/client';
const prisma = new PrismaClient();
export interface EventReminder {
method: 'popup' | 'email' | 'display'; // display = VALARM DISPLAY, popup = Google popup, email = email reminder
minutes: number; // minutes before event
}
export interface EventAttendee {
email: string;
displayName?: string;
responseStatus?: 'needsAction' | 'accepted' | 'declined' | 'tentative';
}
export interface EventAttachment {
url: string;
title?: string;
}
export type BusyStatus = 'free' | 'tentative' | 'busy' | 'oof' | 'workingElsewhere';
export type EventVisibility = 'default' | 'public' | 'private' | 'confidential';
export interface CalendarEvent {
id: string;
title: string;
description?: string;
start: {
dateTime?: string;
date?: string;
};
end: {
dateTime?: string;
date?: string;
};
location?: string;
url?: string;
recurrence?: string;
recurrenceEndDate?: string;
recurrenceCount?: number;
recurrenceInterval?: number;
recurrenceDays?: number[];
timezone?: string;
recurringEventId?: string;
isRecurring?: boolean;
source: 'google' | 'apple' | 'outlook' | 'synology' | 'notion';
calendarId: string;
calendarTitle: string;
backgroundColor?: string;
allDay?: boolean;
reminders?: EventReminder[];
busyStatus?: BusyStatus;
visibility?: EventVisibility;
attendees?: EventAttendee[];
attachments?: EventAttachment[];
}
/**
* Convert friendly recurrence name to RRULE string
*/
function toRRule(recurrence?: string, recurrenceEndDate?: string, recurrenceCount?: number, recurrenceInterval?: number, recurrenceDays?: number[]): string | null {
let freq: string;
switch (recurrence) {
case 'daily': freq = 'FREQ=DAILY'; break;
case 'weekly': freq = 'FREQ=WEEKLY'; break;
case 'biweekly': freq = 'FREQ=WEEKLY;INTERVAL=2'; break;
case 'monthly': freq = 'FREQ=MONTHLY'; break;
case 'yearly': freq = 'FREQ=YEARLY'; break;
default: return null;
}
let rrule = `RRULE:${freq}`;
if (recurrenceInterval && recurrenceInterval > 1 && recurrence !== 'biweekly') {
rrule += `;INTERVAL=${recurrenceInterval}`;
}
if (recurrenceDays && recurrenceDays.length > 0 && recurrence === 'weekly') {
const dayMap = ['SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA'];
rrule += `;BYDAY=${recurrenceDays.map(d => dayMap[d]).join(',')}`;
}
if (recurrenceCount && recurrenceCount > 0) {
rrule += `;COUNT=${recurrenceCount}`;
} else if (recurrenceEndDate) {
const d = new Date(recurrenceEndDate);
d.setHours(23, 59, 59);
rrule += `;UNTIL=${d.toISOString().replace(/[-:]/g, '').replace(/\.\d+Z$/, 'Z')}`;
}
return rrule;
}
/**
* Convert friendly recurrence name to Outlook Graph recurrence object
*/
function toOutlookRecurrence(recurrence?: string, startDate?: Date, recurrenceEndDate?: string, recurrenceCount?: number, recurrenceInterval?: number, recurrenceDays?: number[]): any {
if (!recurrence || recurrence === 'none') return undefined;
const start = startDate || new Date();
const interval = recurrenceInterval || (recurrence === 'biweekly' ? 2 : 1);
const dayNames = ['sunday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday'];
let range: any = {
type: 'noEnd',
startDate: start.toISOString().split('T')[0],
};
if (recurrenceCount && recurrenceCount > 0) {
range = { type: 'numbered', startDate: start.toISOString().split('T')[0], numberOfOccurrences: recurrenceCount };
} else if (recurrenceEndDate) {
range = { type: 'endDate', startDate: start.toISOString().split('T')[0], endDate: recurrenceEndDate };
}
switch (recurrence) {
case 'daily':
return { pattern: { type: 'daily', interval }, range };
case 'weekly':
case 'biweekly': {
const days = recurrenceDays && recurrenceDays.length > 0
? recurrenceDays.map(d => dayNames[d])
: [dayNames[start.getDay()]];
return { pattern: { type: 'weekly', interval, daysOfWeek: days }, range };
}
case 'monthly':
return { pattern: { type: 'absoluteMonthly', interval, dayOfMonth: start.getDate() }, range };
case 'yearly':
return { pattern: { type: 'absoluteYearly', interval, dayOfMonth: start.getDate(), month: start.getMonth() + 1 }, range };
default: return undefined;
}
}
// Google Calendar event color mapping (colorId -> hex color)
const GOOGLE_EVENT_COLORS: Record<string, string> = {
'1': '#7986cb', // Lavender
'2': '#33b679', // Sage
'3': '#8e24aa', // Grape
'4': '#e67c73', // Flamingo
'5': '#f6bf26', // Banana
'6': '#f4511e', // Tangerine
'7': '#039be5', // Peacock
'8': '#616161', // Graphite
'9': '#3f51b5', // Blueberry
'10': '#0b8043', // Basil
'11': '#d50000', // Tomato
};
function getGoogleEventColor(colorId: string): string {
return GOOGLE_EVENT_COLORS[colorId] || '#039be5'; // Default to Peacock
}
export interface CalendarConnection {
id: string;
provider: 'google' | 'apple' | 'outlook' | 'synology';
accessToken: string;
refreshToken?: string;
expiresAt?: Date;
calendars?: Array<{
id: string;
title: string;
isPrimary?: boolean;
selected?: boolean;
backgroundColor?: string;
}> | any; // Type it loosely for JSON compatibility
}
/**
* Refresh the Google access token using the refresh token
*/
async function refreshGoogleToken(connection: CalendarConnection): Promise<string | null> {
if (!connection.refreshToken) {
console.log('[CALENDAR] No refresh token available for connection:', connection.id);
return null;
}
try {
const oauth2Client = initializeGoogleOAuth(
process.env.GOOGLE_CLIENT_ID || '',
process.env.GOOGLE_CLIENT_SECRET || '',
process.env.GOOGLE_REDIRECT_URI || ''
);
oauth2Client.setCredentials({
refresh_token: connection.refreshToken
});
console.log('[CALENDAR] Refreshing Google access token...');
const { credentials } = await oauth2Client.refreshAccessToken();
if (credentials.access_token) {
// Update the token in the database
await prisma.calendarConnection.update({
where: { id: connection.id },
data: {
accessToken: credentials.access_token,
expiresAt: credentials.expiry_date ? new Date(credentials.expiry_date) : null
}
});
console.log('[CALENDAR] Token refreshed successfully');
return credentials.access_token;
}
} catch (error) {
console.error('[CALENDAR] Failed to refresh token:', error);
}
return null;
}
/**
* Refresh the Outlook access token using the refresh token
*/
async function refreshOutlookToken(connection: CalendarConnection): Promise<string | null> {
if (!connection.refreshToken) {
console.log('[CALENDAR] No refresh token available for connection:', connection.id);
return null;
}
try {
console.log('[CALENDAR] Refreshing Outlook access token...');
const data = await refreshOutlookTokenAPI(connection.refreshToken);
if (data.access_token) {
// Update the token in the database
const expiresAt = new Date();
expiresAt.setSeconds(expiresAt.getSeconds() + data.expires_in);
await prisma.calendarConnection.update({
where: { id: connection.id },
data: {
accessToken: data.access_token,
refreshToken: data.refresh_token || connection.refreshToken, // Update refresh token if provided
expiresAt
}
});
console.log('[CALENDAR] Outlook token refreshed successfully');
return data.access_token;
}
} catch (error) {
console.error('[CALENDAR] Failed to refresh Outlook token:', error);
}
return null;
}
/**
* Check if the token is expired or about to expire
*/
function isTokenExpired(expiresAt?: Date): boolean {
if (!expiresAt) return true; // Assume expired if no expiry info
// Consider token expired if it expires within the next 5 minutes
const bufferMs = 5 * 60 * 1000;
return new Date().getTime() > (new Date(expiresAt).getTime() - bufferMs);
}
/**
* Fetch calendar events from connected accounts
*/
export const getCalendarEvents = async (
connections: CalendarConnection[],
timeMin: string,
timeMax: string
): Promise<CalendarEvent[]> => {
const allEvents: CalendarEvent[] = [];
console.log('[CALENDAR] Fetching events from', connections.length, 'connections');
console.log('[CALENDAR] Date range:', timeMin, 'to', timeMax);
for (const connection of connections) {
try {
let events: any[] = [];
let accessToken = connection.accessToken;
if (connection.provider === 'google') {
console.log('[CALENDAR] Processing Google connection:', connection.id);
// Check if token is expired and refresh if needed
if (isTokenExpired(connection.expiresAt)) {
console.log('[CALENDAR] Token expired, attempting refresh...');
const newToken = await refreshGoogleToken(connection);
if (newToken) {
accessToken = newToken;
} else {
console.error('[CALENDAR] Failed to refresh token, skipping connection');
continue;
}
}
// Initialize OAuth client
const oauth2Client = initializeGoogleOAuth(
process.env.GOOGLE_CLIENT_ID || '',
process.env.GOOGLE_CLIENT_SECRET || '',
process.env.GOOGLE_REDIRECT_URI || ''
);
// Identify which calendars to fetch events from
let calendarIds: string[] = [];
let calendars: any[] = [];
// Use stored calendars if available and filtered by selection
if (connection.calendars && Array.isArray(connection.calendars)) {
// We have stored preferences - but check if they have backgroundColor
const storedCalendars = connection.calendars as any[];
const hasMissingColors = storedCalendars.some((c: any) => !c.backgroundColor);
if (hasMissingColors) {
// Refresh from API to get colors
console.log('[CALENDAR] Stored calendars missing backgroundColor, refreshing from API...');
const freshCalendars = await getGoogleCalendars(oauth2Client, accessToken);
// Merge fresh data with stored selection preferences
calendars = storedCalendars.map((stored: any) => {
const fresh = freshCalendars.find(f => f.id === stored.id);
return {
...stored,
backgroundColor: fresh?.backgroundColor || stored.backgroundColor,
summary: fresh?.summary || stored.title // Ensure summary is available
};
});
console.log('[CALENDAR] Refreshed calendars with colors:', calendars.map(c => ({ id: c.id, bg: c.backgroundColor })));
} else {
calendars = storedCalendars;
}
calendarIds = calendars
.filter((c: any) => c.selected !== false) // Include unless explicitly false
.map((c: any) => c.id);
console.log('[CALENDAR] Using calendars, selected:', calendarIds.length, 'of', calendars.length);
} else {
// Fallback: fetch all if no stored list (legacy behavior)
console.log('[CALENDAR] No stored calendars, fetching from API...');
calendars = await getGoogleCalendars(oauth2Client, accessToken);
calendarIds = calendars.map(c => c.id);
console.log('[CALENDAR] Fetched', calendars.length, 'calendars from API');
}
if (calendarIds.length === 0) {
console.log('[CALENDAR] No calendars selected, skipping');
continue;
}
// Fetch events for each calendar
console.log('[CALENDAR] Fetching events from', calendarIds.length, 'calendars...');
for (const calendarId of calendarIds) {
try {
console.log('[CALENDAR] Fetching events from calendar:', calendarId);
const calendarEvents = await getGoogleEvents(
oauth2Client,
accessToken,
calendarId,
timeMin,
timeMax
);
console.log('[CALENDAR] Found', calendarEvents.length, 'events in calendar:', calendarId);
// Get calendar data for color fallback
const calendarData = calendars.find(c => c.id === calendarId);
events = events.concat(calendarEvents.map((event: any) => {
const eventColor = event.colorId ? getGoogleEventColor(event.colorId) : calendarData?.backgroundColor;
// Map Google reminders to our format
const reminders: EventReminder[] | undefined = event.reminders?.overrides?.map((r: any) => ({
method: r.method === 'email' ? 'email' : 'popup',
minutes: r.minutes,
})) || undefined;
// Map Google transparency to busyStatus
const busyStatus: BusyStatus | undefined = event.transparency === 'transparent' ? 'free'
: event.transparency === 'opaque' ? 'busy' : undefined;
return {
id: event.id,
title: event.summary || '(No Title)',
description: event.description,
start: event.start,
end: event.end,
location: event.location,
source: 'google' as const,
calendarId,
calendarTitle: calendarData?.summary || calendarData?.title || 'Google Calendar',
backgroundColor: eventColor,
reminders,
busyStatus,
visibility: event.visibility as EventVisibility || undefined,
attendees: event.attendees?.map((a: any) => ({
email: a.email,
displayName: a.displayName,
responseStatus: a.responseStatus,
})) as EventAttendee[] || undefined,
};
}));
} catch (calError) {
console.error(`[CALENDAR] Error fetching events from calendar ${calendarId}:`, calError);
// Continue with other calendars
}
}
} else if (connection.provider === 'apple') {
const [email, appPassword] = connection.accessToken.split(':');
if (!email || !appPassword) {
console.error('[CALENDAR] Invalid Apple credentials format');
continue;
}
// Get user calendars to identify which ones to fetch events from
// We can pass null/dummy client if getUserCalendars just calls validateCredentials which creates its own client
// Actually getUserCalendars in apple-calendar.ts (wrapper around validateCredentials) takes (email, password)
// But here it was imported as getAppleCalendars(appleClient, accessToken) which matched the old signature?
// Let's check apple-calendar.ts signature for getUserCalendars.
// It is: export const getUserCalendars = validateCredentials;
// validateCredentials: (email: string, appSpecificPassword: string)
const freshCalendars = await getAppleCalendars(email, appPassword);
// Use stored selection state if available, otherwise use all fresh calendars
let calendars = freshCalendars;
if (connection.calendars && Array.isArray(connection.calendars) && connection.calendars.length > 0) {
const storedCalendars = connection.calendars as any[];
// Only fetch from calendars that are selected
calendars = freshCalendars.filter(fc => {
const stored = storedCalendars.find((sc: any) => sc.id === fc.id);
return stored ? stored.selected !== false : true;
});
}
const calendarIds = calendars.map(c => c.id);
// Fetch events for each calendar
for (const calendarId of calendarIds) {
const calendarEvents = await getAppleEvents(
email,
appPassword,
calendarId,
timeMin,
timeMax
);
console.log(`[CALENDAR] Fetched ${calendarEvents.length} events from calendar ${calendarId}`);
events = events.concat(calendarEvents.map((event: any) => {
const isDateOnly = (s: string) => s && !s.includes('T');
const startIsAllDay = isDateOnly(event.startDate);
return {
id: event.id,
title: event.title,
description: event.description,
start: {
dateTime: startIsAllDay ? undefined : event.startDate,
date: startIsAllDay ? event.startDate : undefined,
},
end: {
dateTime: startIsAllDay ? undefined : event.endDate,
date: startIsAllDay ? event.endDate : undefined,
},
location: event.location,
url: event.url,
recurringEventId: event.recurringEventId,
isRecurring: event.isRecurring,
source: 'apple' as const,
calendarId,
calendarTitle: calendars.find(c => c.id === calendarId)?.title || 'Apple Calendar',
backgroundColor: calendars.find(c => c.id === calendarId)?.color || '#FF3B30',
reminders: event.reminders as EventReminder[] || undefined,
busyStatus: event.busyStatus as BusyStatus || undefined,
visibility: event.visibility as EventVisibility || undefined,
attendees: event.attendees as EventAttendee[] || undefined,
attachments: event.attachments as EventAttachment[] || undefined,
};
}));
}
} else if (connection.provider === 'synology') {
const [username, password] = connection.accessToken.split(':');
const serverUrl = connection.refreshToken;
if (!username || !password || !serverUrl) {
console.error('[CALENDAR] Invalid Synology credentials format');
continue;
}
// Fetch live calendar list from Synology to detect deleted calendars
let calendarIds: string[] = [];
let calendars: any[] = [];
let freshCalendars: any[] = [];
try {
freshCalendars = await getSynologyCalendars(serverUrl, username, password);
} catch (err) {
console.error('[CALENDAR] Synology: failed to fetch calendar list:', err);
}
const freshIds = new Set(freshCalendars.map(c => c.id));
if (connection.calendars && Array.isArray(connection.calendars) && connection.calendars.length > 0) {
const storedCalendars = connection.calendars as any[];
// Remove calendars that no longer exist on the server
calendars = storedCalendars.filter((c: any) => freshIds.has(c.id));
if (calendars.length < storedCalendars.length) {
const removed = storedCalendars.length - calendars.length;
console.log(`[CALENDAR] Synology: pruned ${removed} deleted calendar(s) from stored list`);
// Update stored calendars in DB to remove stale entries
try {
await prisma.calendarConnection.update({
where: { id: connection.id },
data: { calendars: calendars },
});
} catch (dbErr) {
console.error('[CALENDAR] Synology: failed to update stored calendars:', dbErr);
}
}
calendarIds = calendars
.filter((c: any) => c.selected !== false)
.map((c: any) => c.id);
console.log('[CALENDAR] Synology: using stored calendars, selected:', calendarIds.length, 'of', calendars.length);
} else {
// No stored calendars: use fresh list
console.log('[CALENDAR] Synology: no stored calendars, using fresh list');
calendars = freshCalendars;
calendarIds = freshCalendars.map(c => c.id);
}
if (calendarIds.length === 0) {
console.log('[CALENDAR] Synology: no calendars selected, skipping');
continue;
}
for (const calendarId of calendarIds) {
try {
const calendarEvents = await getSynologyEvents(
serverUrl,
username,
password,
calendarId,
timeMin,
timeMax
);
console.log(`[CALENDAR] Synology: fetched ${calendarEvents.length} events from calendar ${calendarId}`);
const calendarData = calendars.find(c => c.id === calendarId);
const freshCal = freshCalendars.find(c => c.id === calendarId);
events = events.concat(calendarEvents.map((event: any) => {
const isDateOnly = (s: string) => s && !s.includes('T');
const startIsAllDay = isDateOnly(event.startDate);
return {
id: event.id,
title: event.title,
description: event.description,
start: {
dateTime: startIsAllDay ? undefined : event.startDate,
date: startIsAllDay ? event.startDate : undefined,
},
end: {
dateTime: startIsAllDay ? undefined : event.endDate,
date: startIsAllDay ? event.endDate : undefined,
},
location: event.location,
url: event.url,
recurringEventId: event.recurringEventId,
isRecurring: event.isRecurring,
source: 'synology' as const,
calendarId,
calendarTitle: calendarData?.title || 'Synology Calendar',
backgroundColor: calendarData?.backgroundColor || calendarData?.color || freshCal?.color || '#1b85ff',
reminders: event.reminders as EventReminder[] || undefined,
busyStatus: event.busyStatus as BusyStatus || undefined,
visibility: event.visibility as EventVisibility || undefined,
attendees: event.attendees as EventAttendee[] || undefined,
attachments: event.attachments as EventAttachment[] || undefined,
};
}));
} catch (calError: any) {
const msg = calError?.message || '';
if (msg.includes('not found') || msg.includes('Not found') || calError?.status === 404) {
console.warn(`[CALENDAR] Synology: calendar ${calendarId} not found, removing from stored list`);
calendars = calendars.filter((c: any) => c.id !== calendarId);
try {
await prisma.calendarConnection.update({
where: { id: connection.id },
data: { calendars: calendars },
});
} catch (dbErr) {
console.error('[CALENDAR] Synology: failed to prune calendar from DB:', dbErr);
}
} else {
console.error(`[CALENDAR] Synology: error fetching events from calendar ${calendarId}:`, calError);
}
}
}
} else if (connection.provider === 'outlook') {
console.log('[CALENDAR] Processing Outlook connection:', connection.id);
if (isTokenExpired(connection.expiresAt)) {
console.log('[CALENDAR] Outlook token expired, attempting refresh...');
const newToken = await refreshOutlookToken(connection);
if (newToken) {
accessToken = newToken;
} else {
console.error('[CALENDAR] Failed to refresh Outlook token, skipping connection');
continue;
}
}
// Get calendars to fetch
let calendarIds: string[] = [];
let calendars: any[] = [];
if (connection.calendars && Array.isArray(connection.calendars)) {
calendars = connection.calendars as any[];
calendarIds = calendars
.filter((c: any) => c.selected !== false)
.map((c: any) => c.id);
}
if (calendarIds.length > 0) {
console.log('[CALENDAR] Fetching Outlook events from', calendarIds.length, 'calendars');
for (const calendarId of calendarIds) {
try {
const outlookEvents = await getOutlookEvents(
accessToken,
calendarId,
timeMin,
timeMax
);
const calendarData = calendars.find(c => c.id === calendarId);
events = events.concat(outlookEvents.map((event: any) => ({
id: event.id,
title: event.summary || '(No Title)',
description: event.description,
start: event.start,
end: event.end,
location: event.location || '',
source: 'outlook' as const,
calendarId,
calendarTitle: calendarData?.title || 'Outlook Calendar',
backgroundColor: calendarData?.backgroundColor || calendarData?.color || '#0078d4',
reminders: event.reminders as EventReminder[] || undefined,
busyStatus: event.busyStatus as BusyStatus || undefined,
visibility: event.visibility as EventVisibility || undefined,
attendees: event.attendees as EventAttendee[] || undefined,
})));
} catch (calError) {
console.error(`[CALENDAR] Error fetching Outlook events from ${calendarId}:`, calError);
}
}
}
} else if (connection.provider === 'notion') {
console.log('[CALENDAR] Processing Notion connection:', connection.id);
// Refresh token if available
if (connection.refreshToken) {
try {
const refreshed = await refreshNotionToken(
connection.refreshToken,
process.env.NOTION_CLIENT_ID || '',
process.env.NOTION_CLIENT_SECRET || '',
);
accessToken = refreshed.accessToken;
await prisma.calendarConnection.update({
where: { id: connection.id },
data: {
accessToken: refreshed.accessToken,
refreshToken: refreshed.refreshToken,
updatedAt: new Date(),
},
});
} catch (refreshErr) {
console.error('[CALENDAR] Notion token refresh failed, using existing token:', refreshErr);
}
}
// Get selected databases
const databases = (connection.calendars as any[] || []).filter((c: any) => c.selected !== false);
if (databases.length === 0) {
console.log('[CALENDAR] Notion: no databases selected, skipping');
}
for (const db of databases) {
if (!db.dateProperty) {
console.log(`[CALENDAR] Notion: database "${db.title}" has no date property, skipping`);
continue;
}
try {
const notionEvents = await getNotionEvents(
accessToken,
db.id,
db.dateProperty,
timeMin,
timeMax,
db.title,
);
console.log(`[CALENDAR] Notion: fetched ${notionEvents.length} events from "${db.title}"`);
events = events.concat(notionEvents.map((ne) => ({
id: ne.id,
title: ne.title,
description: ne.description,
start: {
dateTime: ne.allDay ? undefined : ne.start,
date: ne.allDay ? ne.start : undefined,
},
end: {
dateTime: ne.allDay ? undefined : (ne.end || ne.start),
date: ne.allDay ? (ne.end || ne.start) : undefined,
},
location: undefined,
url: ne.url,
source: 'notion' as const,
calendarId: db.id,
calendarTitle: db.title,
backgroundColor: '#000000',
})));
} catch (dbError) {
console.error(`[CALENDAR] Notion: error fetching from "${db.title}":`, dbError);
}
}
}
console.log('[CALENDAR] Total events for connection:', events.length);
allEvents.push(...events);
} catch (error) {
console.error(`[CALENDAR] Error fetching events from ${connection.provider} calendar:`, error);
// Continue with other connections even if one fails
}
}
console.log('[CALENDAR] Total events from all connections:', allEvents.length);
return allEvents;
};
/**
* Format event for display in the weekly view
*/
export const formatEventForDisplay = (event: CalendarEvent): CalendarEvent => {
// Ensure consistent structure for display
return {
id: event.id,
title: event.title,
description: event.description,
start: {
dateTime: event.start.dateTime,
date: event.start.date,
},
end: {
dateTime: event.end.dateTime,
date: event.end.date,
},
location: event.location,
source: event.source,
calendarId: event.calendarId,
calendarTitle: event.calendarTitle,
};
};
/**
* Merge calendar events with existing tasks to avoid duplicates
*/
export const mergeWithTasks = (
events: CalendarEvent[],
tasks: Array<{ id: string; title: string }>
): CalendarEvent[] => {
// Simple deduplication logic - if event title matches task title, consider it a duplicate
const taskTitles = new Set(tasks.map(task => task.title.toLowerCase()));
return events.filter(event => {
// Only show events where the title doesn't match an existing task title
return !taskTitles.has(event.title.toLowerCase());
});
};
/**
* Filter events by date range (week view)
*/
export const filterEventsByDateRange = (
events: CalendarEvent[],
startOfWeek: Date,
endOfWeek: Date
): CalendarEvent[] => {
const startTimestamp = startOfWeek.getTime();
const endTimestamp = endOfWeek.getTime();
return events.filter(event => {
const eventStart = event.start.dateTime ? new Date(event.start.dateTime).getTime() :
event.start.date ? new Date(event.start.date).getTime() : 0;
return eventStart >= startTimestamp && eventStart <= endTimestamp;
});
};
/**
* Determine event visibility based on user settings
*/
export const determineEventVisibility = (
event: CalendarEvent,
userSettings: {
showGoogleEvents?: boolean;
showAppleEvents?: boolean;
showPrivateEvents?: boolean;
}
): boolean => {
// Check if the user wants to see events from this provider
if ((event.source === 'google' && !userSettings.showGoogleEvents) ||
(event.source === 'apple' && !userSettings.showAppleEvents)) {
return false;
}
// Check if private events should be shown (this is a simplified check)
// In a real implementation, this would involve checking privacy settings
if (!userSettings.showPrivateEvents) {
// Simplified - in practice, private events would be filtered based on actual privacy flags
return true;
}
return true;
};
/**
* Create a new calendar event
*/
export const createCalendarEvent = async (
connection: CalendarConnection,
calendarId: string,
event: Partial<CalendarEvent>
): Promise<CalendarEvent> => {
if (connection.provider === 'google') {
// Check key fields
if (!event.title) throw new Error('Event title is required');
if (!event.start || !event.end) throw new Error('Event start and end times are required');
// Refresh token if needed
let accessToken = connection.accessToken;
if (isTokenExpired(connection.expiresAt)) {
const newToken = await refreshGoogleToken(connection);
if (newToken) accessToken = newToken;
else throw new Error('Failed to refresh token');
}
const oauth2Client = initializeGoogleOAuth(
process.env.GOOGLE_CLIENT_ID || '',
process.env.GOOGLE_CLIENT_SECRET || '',
process.env.GOOGLE_REDIRECT_URI || ''
);
// Map to Google format
const rrule = toRRule(event.recurrence, event.recurrenceEndDate, event.recurrenceCount, event.recurrenceInterval, event.recurrenceDays);
const googleEvent: any = {
summary: event.title,
description: event.description,
start: event.start,
end: event.end,
location: event.location,
...(rrule ? { recurrence: [rrule] } : {}),
...(event.allDay ? { allDay: true } : {}),
...(event.url ? { source: { url: event.url, title: event.url } } : {}),
...(event.reminders?.length ? {
reminders: { useDefault: false, overrides: event.reminders.map(r => ({ method: r.method === 'email' ? 'email' : 'popup', minutes: r.minutes })) }
} : {}),
...(event.busyStatus ? { transparency: event.busyStatus === 'free' ? 'transparent' : 'opaque' } : {}),
...(event.visibility ? { visibility: event.visibility } : {}),
...(event.attendees?.length ? { attendees: event.attendees.map(a => ({ email: a.email, displayName: a.displayName })) } : {}),
};
const createdEvent = await import('./google-calendar').then(m =>
m.createEvent(oauth2Client, accessToken, calendarId, googleEvent)
);
return {
id: createdEvent.id,
title: createdEvent.summary,
description: createdEvent.description,
start: createdEvent.start,
end: createdEvent.end,
location: createdEvent.location,
source: 'google',
calendarId,
calendarTitle: '', // We don't have this here, simpler to leave empty or fetch
} as CalendarEvent;
} else if (connection.provider === 'outlook') {
if (!event.title) throw new Error('Event title is required');
if (!event.start || !event.end) throw new Error('Event start and end times are required');
let accessToken = connection.accessToken;
if (isTokenExpired(connection.expiresAt)) {
const newToken = await refreshOutlookToken(connection);
if (newToken) accessToken = newToken;
else throw new Error('Failed to refresh token');
}
const startDate = event.start?.dateTime ? new Date(event.start.dateTime) : new Date();
const createdEvent = await createOutlookEvent(accessToken, calendarId, {
summary: event.title,
description: event.description,
start: event.start,
end: event.end,
location: event.location,
allDay: event.allDay,
recurrence: toOutlookRecurrence(event.recurrence, startDate, event.recurrenceEndDate, event.recurrenceCount, event.recurrenceInterval, event.recurrenceDays),
reminders: event.reminders,
busyStatus: event.busyStatus,
visibility: event.visibility,
attendees: event.attendees,
});
return {
id: createdEvent.id,
title: createdEvent.summary,
description: createdEvent.description,
start: createdEvent.start,
end: createdEvent.end,
location: createdEvent.location,
allDay: createdEvent.allDay,
source: 'outlook',
calendarId,
calendarTitle: '',
} as CalendarEvent;
} else if (connection.provider === 'apple') {
const [email, appPassword] = connection.accessToken.split(':');
// We need to map our event format to what createEvent expects
// createEvent expects: { title, description?, location?, start: {dateTime?, date?}, end: ... }
// Our 'event' arg is Partial<CalendarEvent>, which matches well.
// However, event.start and event.end might be undefined in Partial, so we need checks.
// Handle all-day event normalization for Apple (requires 'date' property, not 'dateTime')
// AND exclusive end date (add 1 day if needed)
const start = { ...event.start! };
const end = { ...event.end! };
if (event.allDay) {
if (start.dateTime && !start.date) {
start.date = start.dateTime.split('T')[0];
delete start.dateTime;
}
if (end.dateTime && !end.date) {
end.date = end.dateTime.split('T')[0];
delete end.dateTime;
}
// Apple/iCloud requires DTEND to be the day AFTER the last day of the event
if (start.date && end.date && start.date === end.date) {
const d = new Date(end.date);
d.setDate(d.getDate() + 1);
end.date = d.toISOString().split('T')[0];
}
}
const createdEvent = await import('./apple-calendar').then(m =>
m.createEvent(email, appPassword, calendarId, {
title: event.title!,
description: event.description,
location: event.location,
url: event.url,
recurrence: event.recurrence,
recurrenceEndDate: event.recurrenceEndDate,
recurrenceCount: event.recurrenceCount,
recurrenceInterval: event.recurrenceInterval,
recurrenceDays: event.recurrenceDays,
timezone: event.timezone,
start,
end,
reminders: event.reminders,
attendees: event.attendees,
attachments: event.attachments,
busyStatus: event.busyStatus,
visibility: event.visibility,
})
);
return {
id: createdEvent.id,
title: createdEvent.title,
description: createdEvent.description,
start: { dateTime: createdEvent.startDate },
end: { dateTime: createdEvent.endDate },
location: createdEvent.location,
source: 'apple',
calendarId,
calendarTitle: '', // Fetch if needed
} as CalendarEvent;
} else if (connection.provider === 'synology') {
const [username, password] = connection.accessToken.split(':');
const serverUrl = connection.refreshToken;
if (!username || !password || !serverUrl) throw new Error('Invalid Synology credentials');
if (!event.title) throw new Error('Event title is required');
if (!event.start || !event.end) throw new Error('Event start and end times are required');
const createdEvent = await import('./synology-calendar').then(m =>
m.createEvent(serverUrl, username, password, calendarId, {
title: event.title!,
description: event.description,
location: event.location,
url: event.url,
recurrence: event.recurrence,
recurrenceEndDate: event.recurrenceEndDate,
recurrenceCount: event.recurrenceCount,
recurrenceInterval: event.recurrenceInterval,
recurrenceDays: event.recurrenceDays,
timezone: event.timezone,
start: event.start!,
end: event.end!,
reminders: event.reminders,
attendees: event.attendees,
attachments: event.attachments,
busyStatus: event.busyStatus,
visibility: event.visibility,
})
);
return {
id: createdEvent.id,
title: createdEvent.title,
description: createdEvent.description,
start: { dateTime: createdEvent.startDate },
end: { dateTime: createdEvent.endDate },
location: createdEvent.location,
source: 'synology',
calendarId,
calendarTitle: '',
} as CalendarEvent;
} else if (connection.provider === 'notion') {
if (!event.title) throw new Error('Event title is required');
if (!event.start) throw new Error('Event start time is required');
const databases = (connection.calendars as any[] || []);
const db = databases.find((d: any) => d.id === calendarId);
const dateProperty = db?.dateProperty;
if (!dateProperty) throw new Error('No date property found for this Notion database');
const startDate = event.start.dateTime || event.start.date || '';
const endDate = event.end?.dateTime || event.end?.date || undefined;
const { createEvent: createNotionEvent } = await import('./notion-calendar');
const pageId = await createNotionEvent(
connection.accessToken,
calendarId,
dateProperty,
event.title,
startDate,
endDate,
);
return {
id: pageId,
title: event.title,
start: event.start,
end: event.end || event.start,
source: 'notion',
calendarId,
calendarTitle: db?.title || '',
} as CalendarEvent;
}
throw new Error(`Provider ${connection.provider} does not support creating events yet.`);
};
/**
* Update an existing calendar event
*/
export const updateCalendarEvent = async (
connection: CalendarConnection,
calendarId: string,
eventId: string,
event: Partial<CalendarEvent>
): Promise<CalendarEvent> => {
if (connection.provider === 'google') {
// Refresh token if needed
let accessToken = connection.accessToken;
if (isTokenExpired(connection.expiresAt)) {
const newToken = await refreshGoogleToken(connection);
if (newToken) accessToken = newToken;
else throw new Error('Failed to refresh token');
}
const oauth2Client = initializeGoogleOAuth(
process.env.GOOGLE_CLIENT_ID || '',
process.env.GOOGLE_CLIENT_SECRET || '',
process.env.GOOGLE_REDIRECT_URI || ''
);
// Map to Google format
const rrule = toRRule(event.recurrence, event.recurrenceEndDate, event.recurrenceCount, event.recurrenceInterval, event.recurrenceDays);
const googleEvent: any = {};
if (event.title !== undefined) googleEvent.summary = event.title;
if (event.description !== undefined) googleEvent.description = event.description;
if (event.start !== undefined) googleEvent.start = event.start;
if (event.end !== undefined) googleEvent.end = event.end;
if (event.location !== undefined) googleEvent.location = event.location;
if (rrule) googleEvent.recurrence = [rrule];
if (event.url) googleEvent.source = { url: event.url, title: event.url };
if (event.reminders?.length) {
googleEvent.reminders = { useDefault: false, overrides: event.reminders.map(r => ({ method: r.method === 'email' ? 'email' : 'popup', minutes: r.minutes })) };
}
if (event.busyStatus) googleEvent.transparency = event.busyStatus === 'free' ? 'transparent' : 'opaque';
if (event.visibility) googleEvent.visibility = event.visibility;
if (event.attendees) googleEvent.attendees = event.attendees.map(a => ({ email: a.email, displayName: a.displayName }));
// Google adds _date suffix for instances. Editing base series only.
const baseEventId = eventId.split('_')[0];
const updatedEvent = await import('./google-calendar').then(m =>
m.updateEvent(oauth2Client, accessToken, calendarId, baseEventId, googleEvent)
);
return {
id: updatedEvent.id,
title: updatedEvent.summary,
description: updatedEvent.description,
start: updatedEvent.start,
end: updatedEvent.end,
location: updatedEvent.location,
source: 'google',
calendarId,
calendarTitle: '',
} as CalendarEvent;
} else if (connection.provider === 'outlook') {
let accessToken = connection.accessToken;
if (isTokenExpired(connection.expiresAt)) {
const newToken = await refreshOutlookToken(connection);
if (newToken) accessToken = newToken;
else throw new Error('Failed to refresh token');
}
// Extract base series ID for Outlook
const baseEventId = eventId.includes('::') ? eventId.split('::')[0] : eventId;
const startDate = event.start?.dateTime ? new Date(event.start.dateTime) : new Date();
const updatedEvent = await updateOutlookEvent(accessToken, calendarId, baseEventId, {
summary: event.title,
description: event.description,
start: event.start,
end: event.end,
location: event.location,
allDay: event.allDay,
recurrence: toOutlookRecurrence(event.recurrence, startDate, event.recurrenceEndDate, event.recurrenceCount, event.recurrenceInterval, event.recurrenceDays),
reminders: event.reminders,
busyStatus: event.busyStatus,
visibility: event.visibility,
attendees: event.attendees,
});
return {
id: updatedEvent.id,
title: updatedEvent.summary,
description: updatedEvent.description,
start: updatedEvent.start,
end: updatedEvent.end,
location: updatedEvent.location,
allDay: updatedEvent.allDay,
source: 'outlook',
calendarId,
calendarTitle: '',
} as CalendarEvent;
} else if (connection.provider === 'apple') {
const [email, appPassword] = connection.accessToken.split(':');
// Normalize for Apple updates too
if (event.allDay) {
if (event.start && event.start.dateTime && !event.start.date) {
event.start.date = event.start.dateTime.split('T')[0];
delete event.start.dateTime;
}
if (event.end && event.end.dateTime && !event.end.date) {
event.end.date = event.end.dateTime.split('T')[0];
delete event.end.dateTime;
}
if (event.start && event.end && event.start.date && event.end.date && event.start.date === event.end.date) {
const d = new Date(event.end.date);
d.setDate(d.getDate() + 1);
event.end.date = d.toISOString().split('T')[0];
}
}
const updatedEvent = await import('./apple-calendar').then(m =>
m.updateEvent(email, appPassword, calendarId, eventId, {
title: event.title,
description: event.description,
location: event.location,
url: event.url,
start: event.start,
end: event.end,
reminders: event.reminders,
attendees: event.attendees,
attachments: event.attachments,
busyStatus: event.busyStatus,
visibility: event.visibility,
})
);
return {
id: updatedEvent.id,
title: updatedEvent.title,
description: updatedEvent.description,
start: { dateTime: updatedEvent.startDate },
end: { dateTime: updatedEvent.endDate },
location: updatedEvent.location,
url: updatedEvent.url,
source: 'apple',
calendarId,
calendarTitle: '',
} as CalendarEvent;
} else if (connection.provider === 'synology') {
const [username, password] = connection.accessToken.split(':');
const serverUrl = connection.refreshToken;
if (!username || !password || !serverUrl) throw new Error('Invalid Synology credentials');
const updatedEvent = await import('./synology-calendar').then(m =>
m.updateEvent(serverUrl, username, password, calendarId, eventId, {
title: event.title,
description: event.description,
location: event.location,
url: event.url,
start: event.start,
end: event.end,
reminders: event.reminders,
attendees: event.attendees,
attachments: event.attachments,
busyStatus: event.busyStatus,
visibility: event.visibility,
})
);
return {
id: updatedEvent.id,
title: updatedEvent.title,
description: updatedEvent.description,
start: { dateTime: updatedEvent.startDate },
end: { dateTime: updatedEvent.endDate },
location: updatedEvent.location,
url: updatedEvent.url,
source: 'synology',
calendarId,
calendarTitle: '',
} as CalendarEvent;
} else if (connection.provider === 'notion') {
const databases = (connection.calendars as any[] || []);
const db = databases.find((d: any) => d.id === calendarId);
const dateProperty = db?.dateProperty;
if (!dateProperty) throw new Error('No date property found for this Notion database');
const startDate = event.start?.dateTime || event.start?.date || undefined;
const endDate = event.end?.dateTime || event.end?.date || undefined;
const { updateEvent: updateNotionEvent } = await import('./notion-calendar');
await updateNotionEvent(
connection.accessToken,
eventId,
dateProperty,
event.title,
startDate,
endDate,
);
return {
id: eventId,
title: event.title || '',
start: event.start || { dateTime: '' },
end: event.end || event.start || { dateTime: '' },
source: 'notion',
calendarId,
calendarTitle: db?.title || '',
} as CalendarEvent;
}
throw new Error(`Provider ${connection.provider} does not support updating events yet.`);
};
/**
* Delete a calendar event
*/
export const deleteCalendarEvent = async (
connection: CalendarConnection,
calendarId: string,
eventId: string,
deleteMode: string = 'all'
): Promise<void> => {
if (connection.provider === 'google') {
let accessToken = connection.accessToken;
if (isTokenExpired(connection.expiresAt)) {
const newToken = await refreshGoogleToken(connection);
if (newToken) accessToken = newToken;
else throw new Error('Failed to refresh token');
}
const oauth2Client = initializeGoogleOAuth(
process.env.GOOGLE_CLIENT_ID || '',
process.env.GOOGLE_CLIENT_SECRET || '',
process.env.GOOGLE_REDIRECT_URI || ''
);
if (deleteMode === 'this') {
// Delete the specific instance (use full instance ID with _suffix)
await import('./google-calendar').then(m =>
m.deleteEvent(oauth2Client, accessToken, calendarId, eventId)
);
} else if (deleteMode === 'future') {
// Set UNTIL on the series to end before this instance
const instanceDate = eventId.split('_')[1]; // e.g. "20260401T114000Z"
if (instanceDate) {
const baseEventId = eventId.split('_')[0];
// Get the base event, modify its recurrence UNTIL
const { getEvent, updateEvent } = await import('./google-calendar');
try {
const baseEvent = await getEvent(oauth2Client, accessToken, calendarId, baseEventId);
if (baseEvent?.recurrence) {
const updatedRecurrence = baseEvent.recurrence.map((rule: string) => {
if (rule.startsWith('RRULE:')) {
// Remove existing UNTIL/COUNT, add new UNTIL
const cleaned = rule.replace(/;(UNTIL|COUNT)=[^;]*/g, '');
return `${cleaned};UNTIL=${instanceDate.replace(/[-:]/g, '')}`;
}
return rule;
});
await updateEvent(oauth2Client, accessToken, calendarId, baseEventId, { recurrence: updatedRecurrence });
}
} catch (e) {
console.error('[DELETE] Failed to modify Google series for future delete, falling back to full delete:', e);
await import('./google-calendar').then(m =>
m.deleteEvent(oauth2Client, accessToken, calendarId, baseEventId)
);
}
} else {
// Can't determine instance date, delete all
const baseEventId = eventId.split('_')[0];
await import('./google-calendar').then(m =>
m.deleteEvent(oauth2Client, accessToken, calendarId, baseEventId)
);
}
} else {
// 'all' — delete the whole series
const baseEventId = eventId.split('_')[0];
await import('./google-calendar').then(m =>
m.deleteEvent(oauth2Client, accessToken, calendarId, baseEventId)
);
}
return;
} else if (connection.provider === 'outlook') {
let accessToken = connection.accessToken;
if (isTokenExpired(connection.expiresAt)) {
const newToken = await refreshOutlookToken(connection);
if (newToken) accessToken = newToken;
else throw new Error('Failed to refresh token');
}
const baseEventId = eventId.includes('::') ? eventId.split('::')[0] : eventId;
// Outlook: for simplicity, always delete the series for now
// (Outlook instance deletion requires fetching specific occurrence IDs)
await deleteOutlookEvent(accessToken, calendarId, baseEventId);
return;
} else if (connection.provider === 'apple') {
const [email, appPassword] = connection.accessToken.split(':');
if (deleteMode === 'this' || deleteMode === 'future') {
await import('./apple-calendar').then(m =>
m.deleteRecurringInstance(email, appPassword, calendarId, eventId, deleteMode)
);
} else {
await import('./apple-calendar').then(m =>
m.deleteEvent(email, appPassword, calendarId, eventId)
);
}
return;
} else if (connection.provider === 'synology') {
const [username, password] = connection.accessToken.split(':');
const serverUrl = connection.refreshToken;
if (!username || !password || !serverUrl) throw new Error('Invalid Synology credentials');
if (deleteMode === 'this' || deleteMode === 'future') {
await import('./synology-calendar').then(m =>
m.deleteRecurringInstance(serverUrl, username, password, calendarId, eventId, deleteMode)
);
} else {
await import('./synology-calendar').then(m =>
m.deleteEvent(serverUrl, username, password, calendarId, eventId)
);
}
return;
} else if (connection.provider === 'notion') {
const { deleteEvent: deleteNotionEvent } = await import('./notion-calendar');
await deleteNotionEvent(connection.accessToken, eventId);
return;
}
throw new Error(`Provider ${connection.provider} does not support deleting events yet.`);
};