Added the Event Information to the ICS Event Body

src/eventText.ts

@@ -0,0 +1,26 @@
+import type { StoredCalendarEvent } from './types.js';
+
+export function formatEventDetails(event: StoredCalendarEvent): string[] {
+  // Source event times are wall-clock values in fixed GMT+2 throughout the year.
+  const start = event.allDay ? undefined : new Date(Date.parse(event.start) + 120 * 60_000);
+  const date = start ? start.toISOString().slice(0, 10) : event.start.slice(0, 10);
+  let time = 'All day';
+  if (start) {
+    const hour = start.getUTCHours();
+    const minute = start.getUTCMinutes();
+    const delta = hour * 60 + minute - 21 * 60;
+    const offset = delta === 0 ? ' (OP Time)' : ` (OP Time ${delta > 0 ? '+' : '-'}${Math.floor(Math.abs(delta) / 60)}:${String(Math.abs(delta) % 60).padStart(2, '0')})`;
+    time = `${String(hour).padStart(2, '0')}:${String(minute).padStart(2, '0')}${offset}`;
+  }
+
+  return [
+    `Title: ${event.title}`,
+    `Date: ${date}`,
+    `Time: ${time}`,
+    `Type: ${event.eventType}`,
+    ...(event.location ? [`Location: ${event.location}`] : []),
+    ...(event.postedBy ? [`By: ${event.postedBy}`] : []),
+    ...(event.url ? [`Link: ${event.url}`] : []),
+    ...(event.description ? [`Description: ${event.description}`] : []),
+  ];
+}

src/index.ts

@@ -2,6 +2,7 @@
 import { getEvents, getPollStatus, refresh, startPolling } from './poller.js';
 import type { StoredCalendarEvent } from './types.js';
 import { getCalendarEntries } from './storage.js';
+import { formatEventDetails } from './eventText.js';
 
 const port = Number(process.env.PORT ?? 3000);
 
@@ -33,7 +34,7 @@ function toIcsEvent(event: StoredCalendarEvent): string {
       ? [`DTSTART;VALUE=DATE:${icsDay(event.start)}`, `DTEND;VALUE=DATE:${icsDay(event.end)}`]
       : [`DTSTART:${icsDate(event.start)}`, `DTEND:${icsDate(event.end)}`]),
     `SUMMARY:${escapeIcs(event.title)}`,
-    ...(event.description ? [`DESCRIPTION:${escapeIcs(event.description)}`] : []),
+    `DESCRIPTION:${escapeIcs(formatEventDetails(event).join('\n'))}`,
     ...(event.location ? [`LOCATION:${escapeIcs(event.location)}`] : []),
     ...(event.url ? [`URL:${escapeIcs(event.url)}`] : []),
     'END:VEVENT',
@@ -70,13 +71,15 @@ async function handle(request: IncomingMessage, response: ServerResponse): Promi
     sendJson(response, status.lastError ? 502 : 200, status);
     return;
   }
-  if (request.method === 'GET' && url.pathname === '/calendar.ics') {
+  if ((request.method === 'GET' || request.method === 'HEAD') && url.pathname === '/calendar.ics') {
+    const body = calendarBody();
     response.writeHead(200, {
       'content-type': 'text/calendar; charset=utf-8',
       'content-disposition': 'inline; filename="calendar.ics"',
       'cache-control': 'public, max-age=300',
+      'content-length': String(Buffer.byteLength(body)),
     });
-    response.end(calendarBody());
+    response.end(request.method === 'HEAD' ? undefined : body);
     return;
   }
   sendJson(response, 404, { error: 'Not found' });

src/poller.ts

@@ -18,7 +18,7 @@ interface SourceEvent {
   description?: string;
   date_at: string;
   time_start: string;
-  time_end: string;
+  time_end?: string | null;
   timezone?: string | number;
   location?: string;
   link?: string;
@@ -59,11 +59,12 @@ function mapEvent(value: unknown, index: number, sourceMonth: string): StoredCal
   if (typeof source.title !== 'string' || !source.title.trim() || typeof source.date_at !== 'string') {
     throw new Error(`Event at index ${index} is missing its title or date_at`);
   }
-  if (typeof source.time_start !== 'string' || typeof source.time_end !== 'string') {
-    throw new Error(`Event at index ${index} is missing its start or end time`);
+  if (typeof source.time_start !== 'string') {
+    throw new Error(`Event at index ${index} is missing its start time`);
   }
 
-  const allDay = source.time_start.toLowerCase() === 'all' || source.time_end.toLowerCase() === 'all';
+  const endTime = typeof source.time_end === 'string' ? source.time_end.trim() : '';
+  const allDay = source.time_start.toLowerCase() === 'all' || endTime.toLowerCase() === 'all';
   let start: string;
   let end: string;
   if (allDay) {
@@ -73,10 +74,12 @@ function mapEvent(value: unknown, index: number, sourceMonth: string): StoredCal
     const offset = Number(source.timezone ?? timezoneOffsetMinutes);
     if (!Number.isFinite(offset)) throw new Error(`Event at index ${index} has an invalid timezone offset`);
     start = eventDateTime(source.date_at, source.time_start, offset);
-    let endMs = Date.parse(eventDateTime(source.date_at, source.time_end, offset));
     const startMs = Date.parse(start);
-    if (endMs < startMs) endMs += 24 * 60 * 60 * 1000;
-    if (endMs === startMs) endMs += 60 * 60 * 1000;
+    let endMs = endTime
+      ? Date.parse(eventDateTime(source.date_at, endTime, offset))
+      : startMs + 2 * 60 * 60 * 1000;
+    if (endTime && endMs < startMs) endMs += 24 * 60 * 60 * 1000;
+    if (endTime && endMs === startMs) endMs += 60 * 60 * 1000;
     end = new Date(endMs).toISOString();
   }
 

src/storage.ts

@@ -2,6 +2,7 @@
 import { mkdirSync } from 'node:fs';
 import { dirname, resolve } from 'node:path';
 import type { CalendarEvent, PendingNotification, StoredCalendarEvent } from './types.js';
+import { formatEventDetails } from './eventText.js';
 
 const databasePath = resolve(process.env.DB_PATH ?? './data/events.sqlite');
 mkdirSync(dirname(databasePath), { recursive: true });
@@ -122,30 +123,6 @@ function mapRow(row: Record<string, unknown>): StoredCalendarEvent {
   };
 }
 
-function eventDetails(event: StoredCalendarEvent): string[] {
-  // Source event times are wall-clock values in fixed GMT+2 throughout the year.
-  const start = event.allDay ? undefined : new Date(Date.parse(event.start) + 120 * 60_000);
-  const date = start ? start.toISOString().slice(0, 10) : event.start.slice(0, 10);
-  let time = 'All day';
-  if (start) {
-    const hour = start.getUTCHours();
-    const minute = start.getUTCMinutes();
-    const delta = hour * 60 + minute - 21 * 60;
-    const offset = delta === 0 ? ' (OP Time)' : ` (OP Time ${delta > 0 ? '+' : '-'}${Math.floor(Math.abs(delta) / 60)}:${String(Math.abs(delta) % 60).padStart(2, '0')})`;
-    time = `${String(hour).padStart(2, '0')}:${String(minute).padStart(2, '0')}${offset}`;
-  }
-  return [
-    `Title: ${event.title}`,
-    `Date: ${date}`,
-    `Time: ${time}`,
-    `Type: ${event.eventType}`,
-    ...(event.location ? [`Location: ${event.location}`] : []),
-    ...(event.postedBy ? [`By: ${event.postedBy}`] : []),
-    ...(event.url ? [`Link: ${event.url}`] : []),
-    ...(event.description ? [`Description: ${event.description}`] : []),
-  ];
-}
-
 function queueNotification(
   kind: 'added' | 'changed' | 'removed',
   event: StoredCalendarEvent,
@@ -156,7 +133,7 @@ function queueNotification(
   const body = [
     metaTitle,
     '',
-    ...(previous && kind === 'changed' ? ['Previous details:', ...eventDetails(previous), '', 'Current details:', ...eventDetails(event)] : eventDetails(event)),
+    ...(previous && kind === 'changed' ? ['Previous details:', ...formatEventDetails(previous), '', 'Current details:', ...formatEventDetails(event)] : formatEventDetails(event)),
   ].join('\n');
   database.prepare(`
     INSERT OR IGNORE INTO notification_outbox (uid, sequence, change_type, title, body, link, created_at)