Rotimi Best
81294a47f9
Adds live-class session scheduling on lessons (join link, date/time, timezone) with automatic 24h and 1h reminder emails plus a calendar invite (.ics), a time-change notification with an updated invite, a teacher-authored welcome email and session invite on enrollment, and a "Notify students" quiz nudge. LMS gets an upcoming live-sessions card and Join buttons, plus a reusable live-session card component (3 states) in @cio/ui with a Storybook story. The sidebar content tree now reflects sequential progression locking like the content list, and the course-completion confetti regression is fixed. Org-based emails no longer reference ClassroomIO by name. Docs add live-class, welcome-email, and course-progression guides, expand the certificates guide (design, signatures, corrected labels), move plan-required callouts to the top, flatten how-to-guides to the docs root with redirects, and add screenshots. Includes an add-docs-image skill.
54 lines
1.6 KiB
TypeScript
54 lines
1.6 KiB
TypeScript
import dayjs from 'dayjs';
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import relativeTime from 'dayjs/plugin/relativeTime';
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import utc from 'dayjs/plugin/utc';
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import timezone from 'dayjs/plugin/timezone';
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dayjs.extend(relativeTime);
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dayjs.extend(utc);
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dayjs.extend(timezone);
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/** The browser's IANA timezone (e.g. "America/New_York"), with a UTC fallback. */
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export function getBrowserTimezone(): string {
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try {
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return Intl.DateTimeFormat().resolvedOptions().timeZone || 'UTC';
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} catch {
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return 'UTC';
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}
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}
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/**
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* Convert a `datetime-local` wall-clock string (e.g. "2026-06-20T14:00") that the
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* user intends in `timeZone` into an absolute UTC instant (ISO string). DST-safe.
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* Never use `new Date(wallClock).toISOString()` — that assumes the browser zone.
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*/
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export function zonedWallClockToInstant(wallClock: string, timeZone: string): string {
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if (!wallClock) return '';
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return dayjs.tz(wallClock, timeZone).toISOString();
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}
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/**
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* Inverse of {@link zonedWallClockToInstant}: render an absolute instant as a
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* `datetime-local` wall-clock string in `timeZone` (so editing shows the same
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* local time the user set).
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*/
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export function instantToZonedWallClock(iso: string | null | undefined, timeZone: string): string {
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if (!iso) return '';
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return dayjs(iso).tz(timeZone).format('YYYY-MM-DDTHH:mm');
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}
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export const calDateDiff = (date: string | number | Date): string => {
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return dayjs(date).fromNow(true) + ` ago`;
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};
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export const getGreeting = () => {
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const date = new Date();
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const hours = date.getHours();
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return hours < 12
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? 'dashboard.morning_heading'
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: hours < 18
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? 'dashboard.afternoon_heading'
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: 'dashboard.evening_heading';
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};
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