105 lines
3.4 KiB
TypeScript
105 lines
3.4 KiB
TypeScript
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import nodemailer from 'nodemailer';
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import dayjs, { Dayjs } from "dayjs";
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import localizedFormat from 'dayjs/plugin/localizedFormat';
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import utc from 'dayjs/plugin/utc';
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import timezone from 'dayjs/plugin/timezone';
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import { createEvent } from 'ics';
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import { CalendarEvent } from '../calendarClient';
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import { serverConfig } from '../serverConfig';
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dayjs.extend(localizedFormat);
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dayjs.extend(utc);
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dayjs.extend(timezone);
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export default function createNewEventEmail(calEvent: CalendarEvent, options: any = {}) {
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return sendEmail(calEvent, {
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provider: {
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transport: serverConfig.transport,
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from: serverConfig.from,
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},
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...options
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});
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}
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// converts "2021-05-27T16:59:09+01:00" to [ 2021, 5, 27, 15, 59, 9 ]
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const convertIsoDateToUtcDateArr = (isoDate: string): [] => {
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const isoUtcDate: string = dayjs(isoDate).utc().format();
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return Array.prototype.concat(
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...isoUtcDate.substr(0, isoUtcDate.indexOf('+')).split('T')
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.map(
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(parts) => parts.split('-').length > 1 ? parts.split('-').map(
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(n) => parseInt(n, 10)
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) : parts.split(':').map(
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(n) => parseInt(n, 10)
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)
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));
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}
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const icalEventAsString = (calEvent: CalendarEvent): string => {
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const icsEvent = createEvent({
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start: convertIsoDateToUtcDateArr(calEvent.startTime),
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startInputType: 'utc',
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productId: 'calendso/ics',
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title: `${calEvent.type} with ${calEvent.attendees[0].name}`,
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description: calEvent.description,
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duration: { minutes: dayjs(calEvent.endTime).diff(dayjs(calEvent.startTime), 'minute') },
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organizer: { name: calEvent.organizer.name, email: calEvent.organizer.email },
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attendees: calEvent.attendees.map( (attendee: any) => ({ name: attendee.name, email: attendee.email }) ),
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status: "CONFIRMED",
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});
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if (icsEvent.error) {
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throw icsEvent.error;
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}
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return icsEvent.value;
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}
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const sendEmail = (calEvent: CalendarEvent, {
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provider,
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}) => new Promise( (resolve, reject) => {
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const { transport, from } = provider;
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const organizerStart: Dayjs = <Dayjs>dayjs(calEvent.startTime).tz(calEvent.organizer.timeZone);
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nodemailer.createTransport(transport).sendMail(
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{
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icalEvent: {
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filename: 'event.ics',
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content: icalEventAsString(calEvent),
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},
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from,
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to: calEvent.organizer.email,
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subject: `New event: ${calEvent.attendees[0].name} - ${organizerStart.format('LT dddd, LL')} - ${calEvent.type}`,
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html: html(calEvent),
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text: text(calEvent),
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},
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(error) => {
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if (error) {
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console.error("SEND_NEW_EVENT_NOTIFICATION_ERROR", calEvent.organizer.email, error);
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return reject(new Error(error));
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}
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return resolve();
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});
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});
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const html = (evt: CalendarEvent) => `
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<div>
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Hi ${evt.organizer.name},<br />
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<br />
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A new event has been scheduled.<br />
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<br />
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<strong>Event Type:</strong><br />
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${evt.type}<br />
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<br />
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<strong>Invitee Email:</strong><br />
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<a href=\\"mailto:${evt.attendees[0].email}\\">${evt.attendees[0].email}</a><br />
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<br />
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<strong>Invitee Time Zone:</strong><br />
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${evt.attendees[0].timeZone}<br />
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<br />
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<strong>Additional notes:</strong><br />
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${evt.description}
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</div>
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`;
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// just strip all HTML and convert <br /> to \n
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const text = (evt: CalendarEvent) => html(evt).replace('<br />', "\n").replace(/<[^>]+>/g, ''); |