305 lines
8.9 KiB
TypeScript
305 lines
8.9 KiB
TypeScript
import { Calendar, CalendarEvent } from '../types.ts';
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export const CALENDAR_COLOR_OPTIONS = [
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'bg-red-700',
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'bg-red-950',
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'bg-orange-700',
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'bg-orange-950',
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'bg-amber-700',
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'bg-yellow-800',
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'bg-lime-700',
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'bg-lime-950',
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'bg-green-700',
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'bg-emerald-800',
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'bg-teal-700',
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'bg-cyan-700',
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'bg-sky-800',
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'bg-blue-900',
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'bg-indigo-700',
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'bg-violet-700',
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'bg-purple-800',
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'bg-fuchsia-700',
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'bg-pink-800',
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'bg-rose-700',
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] as const;
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// NOTE: This variable isn't really used, _but_ it allows for tailwind to include the classes without having to move this into the tailwind.config.ts file
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export const CALENDAR_BORDER_COLOR_OPTIONS = [
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'border-red-700',
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'border-red-950',
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'border-orange-700',
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'border-orange-950',
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'border-amber-700',
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'border-yellow-800',
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'border-lime-700',
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'border-lime-950',
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'border-green-700',
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'border-emerald-800',
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'border-teal-700',
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'border-cyan-700',
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'border-sky-800',
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'border-blue-900',
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'border-indigo-700',
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'border-violet-700',
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'border-purple-800',
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'border-fuchsia-700',
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'border-pink-800',
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'border-rose-700',
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] as const;
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// TODO: Build this
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export function formatCalendarEventsToVCalendar(
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calendarEvents: CalendarEvent[],
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_calendars: Pick<Calendar, 'id' | 'color' | 'is_visible'>[],
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): string {
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const vCalendarText = calendarEvents.map((calendarEvent) =>
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`BEGIN:VEVENT
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DTSTAMP:${new Date(calendarEvent.created_at).toISOString().substring(0, 19).replaceAll('-', '').replaceAll(':', '')}
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DTSTART:${new Date(calendarEvent.start_date).toISOString().substring(0, 19).replaceAll('-', '').replaceAll(':', '')}
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DTEND:${new Date(calendarEvent.end_date).toISOString().substring(0, 19).replaceAll('-', '').replaceAll(':', '')}
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ORGANIZER;CN=:MAILTO:${calendarEvent.extra.organizer_email}
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SUMMARY:${calendarEvent.title}
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${calendarEvent.extra.uid ? `UID:${calendarEvent.extra.uid}` : ''}
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END:VEVENT`
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).join('\n');
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return `BEGIN:VCALENDAR\nVERSION:2.0\nCALSCALE:GREGORIAN\n${vCalendarText}\nEND:VCALENDAR`.split('\n').map((line) =>
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line.trim()
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).filter(
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Boolean,
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).join('\n');
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}
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type VCalendarVersion = '1.0' | '2.0';
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export function parseVCalendarFromTextContents(text: string): Partial<CalendarEvent>[] {
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const lines = text.split('\n').map((line) => line.trim()).filter(Boolean);
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const partialCalendarEvents: Partial<CalendarEvent>[] = [];
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let partialCalendarEvent: Partial<CalendarEvent> = {};
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let vCalendarVersion: VCalendarVersion = '2.0';
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// Loop through every line
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for (const line of lines) {
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// Start new vCard version
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if (line.startsWith('BEGIN:VCALENDAR')) {
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vCalendarVersion = '2.0';
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continue;
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}
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// Start new event
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if (line.startsWith('BEGIN:VEVENT')) {
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partialCalendarEvent = {};
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continue;
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}
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// Finish contact
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if (line.startsWith('END:VEVENT')) {
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partialCalendarEvents.push(partialCalendarEvent);
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continue;
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}
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// Select proper vCalendar version
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if (line.startsWith('VERSION:')) {
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if (line.startsWith('VERSION:1.0')) {
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vCalendarVersion = '1.0';
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} else if (line.startsWith('VERSION:2.0')) {
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vCalendarVersion = '2.0';
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} else {
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// Default to 2.0, log warning
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vCalendarVersion = '2.0';
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console.warn(`Invalid vCalendar version found: "${line}". Defaulting to 2.0 parser.`);
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}
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continue;
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}
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if (vCalendarVersion !== '1.0' && vCalendarVersion !== '2.0') {
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console.warn(`Invalid vCalendar version found: "${vCalendarVersion}". Defaulting to 2.0 parser.`);
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vCalendarVersion = '2.0';
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}
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if (line.startsWith('UID:')) {
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const uid = line.replace('UID:', '');
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if (!uid) {
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continue;
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}
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partialCalendarEvent.extra = {
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...(partialCalendarEvent.extra! || {}),
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uid,
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};
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continue;
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}
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// TODO: Build this ( https://en.wikipedia.org/wiki/ICalendar#List_of_components,_properties,_and_parameters )
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if (line.startsWith('SUMMARY:')) {
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const title = line.split('SUMMARY:')[1] || '';
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partialCalendarEvent.title = title;
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continue;
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}
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if (line.startsWith('DTSTART:') || line.startsWith('DTSTART;')) {
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const startDateInfo = line.split(':')[1] || '';
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const [dateInfo, hourInfo] = startDateInfo.split('T');
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const year = dateInfo.substring(0, 4);
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const month = dateInfo.substring(4, 6);
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const day = dateInfo.substring(6, 8);
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const hours = hourInfo.substring(0, 2);
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const minutes = hourInfo.substring(2, 4);
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const seconds = hourInfo.substring(4, 6);
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const startDate = new Date(`${year}-${month}-${day}T${hours}:${minutes}:${seconds}.000Z`);
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partialCalendarEvent.start_date = startDate;
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continue;
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}
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if (line.startsWith('DTEND:') || line.startsWith('DTEND;')) {
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const endDateInfo = line.split(':')[1] || '';
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const [dateInfo, hourInfo] = endDateInfo.split('T');
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const year = dateInfo.substring(0, 4);
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const month = dateInfo.substring(4, 6);
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const day = dateInfo.substring(6, 8);
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const hours = hourInfo.substring(0, 2);
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const minutes = hourInfo.substring(2, 4);
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const seconds = hourInfo.substring(4, 6);
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const endDate = new Date(`${year}-${month}-${day}T${hours}:${minutes}:${seconds}.000Z`);
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partialCalendarEvent.end_date = endDate;
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continue;
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}
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if (line.startsWith('ORGANIZER;')) {
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const organizerInfo = line.split(':');
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const organizerEmail = organizerInfo.slice(-1)[0] || '';
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if (!organizerEmail) {
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continue;
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}
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partialCalendarEvent.extra = {
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...(partialCalendarEvent.extra! || {}),
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organizer_email: organizerEmail,
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};
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}
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if (line.startsWith('TRANSP:')) {
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const transparency = (line.split('TRANSP:')[1] as CalendarEvent['extra']['transparency']) || 'default';
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partialCalendarEvent.extra = {
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...(partialCalendarEvent.extra! || {}),
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transparency,
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};
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continue;
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}
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}
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return partialCalendarEvents;
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}
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// NOTE: Considers weeks starting Monday, not Sunday
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export function getWeeksForMonth(date: Date): { date: Date; isSameMonth: boolean }[][] {
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const year = date.getFullYear();
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const month = date.getMonth();
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const firstOfMonth = new Date(year, month, 1);
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const lastOfMonth = new Date(year, month + 1, 0);
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const daysToShow = firstOfMonth.getDay() + (firstOfMonth.getDay() === 0 ? 6 : -1) + lastOfMonth.getDate();
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const weekCount = Math.ceil(daysToShow / 7);
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const weeks: { date: Date; isSameMonth: boolean }[][] = [];
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const startingDate = new Date(firstOfMonth);
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startingDate.setDate(
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startingDate.getDate() - Math.abs(firstOfMonth.getDay() === 0 ? 6 : (firstOfMonth.getDay() - 1)),
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);
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for (let weekIndex = 0; weeks.length < weekCount; ++weekIndex) {
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for (let dayIndex = 0; dayIndex < 7; ++dayIndex) {
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if (!Array.isArray(weeks[weekIndex])) {
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weeks[weekIndex] = [];
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}
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const weekDayDate = new Date(startingDate);
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weekDayDate.setDate(weekDayDate.getDate() + (dayIndex + weekIndex * 7));
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const isSameMonth = weekDayDate.getMonth() === month;
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weeks[weekIndex].push({ date: weekDayDate, isSameMonth });
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}
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}
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return weeks;
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}
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// NOTE: Considers week starting Monday, not Sunday
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export function getDaysForWeek(
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date: Date,
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): { date: Date; isSameDay: boolean; hours: { date: Date; isCurrentHour: boolean }[] }[] {
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const shortIsoDate = date.toISOString().substring(0, 10);
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const currentHour = new Date().getHours();
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const days: { date: Date; isSameDay: boolean; hours: { date: Date; isCurrentHour: boolean }[] }[] = [];
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const startingDate = new Date(date);
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startingDate.setDate(
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startingDate.getDate() - Math.abs(startingDate.getDay() === 0 ? 6 : (startingDate.getDay() - 1)),
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);
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for (let dayIndex = 0; days.length < 7; ++dayIndex) {
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const dayDate = new Date(startingDate);
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dayDate.setDate(dayDate.getDate() + dayIndex);
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const isSameDay = dayDate.toISOString().substring(0, 10) === shortIsoDate;
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days[dayIndex] = {
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date: dayDate,
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isSameDay,
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hours: [],
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};
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for (let hourIndex = 0; hourIndex < 24; ++hourIndex) {
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const dayHourDate = new Date(dayDate);
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dayHourDate.setHours(hourIndex);
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const isCurrentHour = isSameDay && hourIndex === currentHour;
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days[dayIndex].hours.push({ date: dayHourDate, isCurrentHour });
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}
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}
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return days;
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}
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export function getCalendarEventColor(
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calendarEvent: CalendarEvent,
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calendars: Pick<Calendar, 'id' | 'color' | 'extra'>[],
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) {
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const matchingCalendar = calendars.find((calendar) => calendar.id === calendarEvent.calendar_id);
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const opaqueColor = matchingCalendar?.color || 'bg-gray-700';
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const transparentColor = opaqueColor.replace('bg-', 'border border-');
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const transparency = calendarEvent.extra.transparency === 'default'
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? (matchingCalendar?.extra.default_transparency || 'opaque')
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: calendarEvent.extra.transparency;
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return transparency === 'opaque' ? opaqueColor : transparentColor;
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}
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