Family calendar: a colour per person, invitations that land on the invited person's calendar

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

cal.js

@@ -231,6 +231,8 @@ const DEFAULT_COLOR = '#4f7cff', COLORS = [DEFAULT_COLOR, '#2f9e6e', '#e0742b',
 const FAM = 'family', FAMCAL = { id: 'local', name: 'Family', color: '#e0742b', shares: [] }; // the calendar the whole household shares
 const dirFor = id => { if (id !== FAM) return users.dirOf(id); const d = path.join(process.env.DATA_DIR || path.join(__dirname, 'data'), 'family'); fs.mkdirSync(d, { recursive: true }); return d; };
 const myId = () => users.current().id;
+/** The colour of whoever added an event (the family calendar shows each person's own colour). */
+const byCol = ev => ev && ev.by && users.get(ev.by) ? users.colorOf(users.get(ev.by)) : '';
 
 /** A person's own NE Hub calendars. The first one is the original "NE Hub" calendar (id "local"), so older events stay in it. */
 function calsIn(dir) {
@@ -326,18 +328,31 @@ async function collectEvents(win) {
     const mine = dirFor(myId()), evs = eventsIn(mine);
     const add = (dir, evs, c, id, extra) => {
       const ics_ = ics.buildCalendar(evs.filter(e => evCal(e) === c.id).map(e => ({ uid: e.uid, fields: e.fields })));
-      for (const e of expand(parseEvents(ics_), win)) all.push({ ...e, cal: c.name, calId: id, color: over[id] || c.color || DEFAULT_COLOR, by: (evs.find(x => x.uid === e.uid) || {}).byName || '', ...extra });
+      for (const e of expand(parseEvents(ics_), win)) all.push({ ...e, cal: c.name, calId: id, color: (extra.family && byCol(evs.find(x => x.uid === e.uid))) || over[id] || c.color || DEFAULT_COLOR, by: (evs.find(x => x.uid === e.uid) || {}).byName || '', ...extra });
     };
     for (const c of calsIn(mine)) add(mine, evs, c, c.id, { editable: true });
-    for (const sh of sharedWithMe()) add(dirFor(sh.owner), eventsIn(dirFor(sh.owner)), sh.cal, sh.id, { editable: sh.mode === 'edit', shared: true, owner: sh.ownerName });
+    for (const sh of sharedWithMe()) add(dirFor(sh.owner), eventsIn(dirFor(sh.owner)), sh.cal, sh.id, { editable: sh.mode === 'edit', shared: true, owner: sh.ownerName, family: sh.owner === FAM });
   } catch (e) { errors.push('NE Hub: ' + e.message); }
   try { all.push(...require('./contacts').birthdayEvents(win)); } catch {} // birthdays from Contacts
   return { events: all, errors };
 }
 
+/** An invitation inside the family: the event is put on each invited person's own calendar and they are told. (They can delete it if they cannot come.) */
+function invite(ids, uid, fields, ok) {
+  if (!ok || !Array.isArray(ids) || !ids.length) return 0; const me = users.current(); let n = 0;
+  for (const id of new Set(ids.map(String))) {
+    const who = users.get(id); if (!who || who.disabled || who.id === me.id || !users.can(who, 'calendar')) continue;
+    const dir = dirFor(who.id), all = eventsIn(dir), cal = calsIn(dir)[0].id; if (all.some(x => x.uid === uid && evCal(x) === cal)) continue;
+    all.push({ uid, cal, fields, created: Date.now(), updated: Date.now(), by: me.id, byName: me.name, invitedBy: me.name }); saveEvents(dir, all); n++;
+    try { require('./inbox').add(who.id, { kind: 'info', title: `${me.name} invited you: ${String(fields.title || '').slice(0, 60)}`, body: String(fields.start || '').replace('T', ' ').slice(0, 16), url: '#/calendar', tag: 'invite:' + uid }); } catch { /* the event is on their calendar anyway */ }
+  }
+  return n;
+}
+
 async function handle(req, res) {
   const u = new URL(req.url, 'http://x');
   try {
+    if (u.pathname === '/api/cal/people') return json(res, 200, users.all().filter(x => !x.disabled && x.id !== myId() && users.can(x, 'calendar')).map(x => ({ id: x.id, name: x.name, color: users.colorOf(x) })));
     if (u.pathname === '/api/cal/list') {
       const over = colorOverrides();
       return json(res, 200, [
@@ -438,7 +453,8 @@ async function handle(req, res) {
         const rec = { uid, cal: r.cid, fields: b.fields, updated: Date.now() };
         if (i >= 0) all[i] = { ...all[i], ...rec }; else all.push({ ...rec, created: Date.now(), by: users.current().id, byName: users.current().name }); // (who added it)
         saveEvents(r.dir, all);
-        return json(res, 200, { ok: true, uid });
+        const invited = invite(b.invite, uid, b.fields, r.dir === dirFor(myId()) || r.dir === dirFor(FAM));
+        return json(res, 200, { ok: true, uid, invited });
       }
       if (caldav.isCal(b.cal)) {
         ics.validate(b.fields);
@@ -480,6 +496,6 @@ async function handle(req, res) {
 /** The Family calendar's events in a window, for the family board (no signed-in person needed). */
 function familyEvents(win) {
   const evs = eventsIn(dirFor(FAM)), ics_ = ics.buildCalendar(evs.map(e => ({ uid: e.uid, fields: e.fields })));
-  return expand(parseEvents(ics_), win).map(e => ({ ...e, cal: 'Family', color: FAMCAL.color, by: (evs.find(x => x.uid === e.uid) || {}).byName || '' }));
+  return expand(parseEvents(ics_), win).map(e => ({ ...e, cal: 'Family', color: byCol(evs.find(x => x.uid === e.uid)) || FAMCAL.color, by: (evs.find(x => x.uid === e.uid) || {}).byName || '' }));
 }
 module.exports = { familyEvents, collectEvents, unfold, parseLine, parseDate, unesc, handle, feed, parseEvents, expand, zonedToUtc, assertPublic, localIcs };