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>

users.js

@@ -63,6 +63,7 @@ function update(id, patch) {
   if (patch.kid !== undefined) { const k = require('./kidlimits').cleanKid(patch.kid); if (u.role === 'admin' && k && k.on) throw new Error('An admin cannot be a child account'); if (k) u.kid = k; else delete u.kid; }
   if (patch.board !== undefined) { if (patch.board === false) u.board = false; else delete u.board; } // whether they are on the family board and in family chore progress
   if (patch.simple !== undefined) { if (patch.simple) u.simple = true; else delete u.simple; } /* simple mode: a big-button layout with few choices */
+  if (patch.color !== undefined) { if (/^#[0-9a-f]{6}$/i.test(patch.color)) u.color = patch.color.toLowerCase(); else delete u.color; } // the person's own colour on shared calendars
   if (patch.signOutEverywhere) u.epoch++;
   save(); return u;
 }
@@ -76,7 +77,10 @@ function remove(id) {
 
 const can = (u, tab) => !!u && (ALWAYS.includes(tab) || u.role === 'admin' || (u.tabs || []).includes(tab));
 const allowedTabs = u => !u ? [] : [...ALWAYS, ...(u.role === 'admin' ? TABS : (u.tabs || []).filter(t => TABS.includes(t)))];
-const publicView = u => ({ id: u.id, name: u.name, role: u.role, tabs: allowedTabs(u), disabled: !!u.disabled, created: u.created, ...(u.kid && u.kid.on ? { kid: u.kid } : {}), board: u.board !== false, simple: !!u.simple });
+/** The colour a person's events and name show in on shared calendars: their own pick, or one of a set by the order accounts were made. */
+const PERSON_COLORS = ['#4f7cff', '#2f9e6e', '#e0742b', '#d9453a', '#8a5cf0', '#e5a00d', '#0f8f8a', '#c9407d'];
+const colorOf = u => !u ? PERSON_COLORS[0] : u.color || PERSON_COLORS[Math.max(0, all().findIndex(x => x.id === u.id)) % PERSON_COLORS.length];
+const publicView = u => ({ id: u.id, color: colorOf(u), name: u.name, role: u.role, tabs: allowedTabs(u), disabled: !!u.disabled, created: u.created, ...(u.kid && u.kid.on ? { kid: u.kid } : {}), board: u.board !== false, simple: !!u.simple });
 
 // ---- A single-user install becomes "the admin" without anyone doing anything: their passkey, tasks, events, settings,
 // iCloud connection and calendar links move into their own folder. (Copied, so the originals stay as a backup.)
@@ -93,4 +97,4 @@ function migrateLegacy() {
 }
 migrateLegacy();
 
-module.exports = { TABS, TAB_LABELS, ALWAYS, runAs, current, dir, dirOf, all, get, firstAdmin, adminCount, create, update, remove, can, allowedTabs, publicView, cleanTabs };
+module.exports = { PERSON_COLORS, colorOf, TABS, TAB_LABELS, ALWAYS, runAs, current, dir, dirOf, all, get, firstAdmin, adminCount, create, update, remove, can, allowedTabs, publicView, cleanTabs };