299 lines
10 KiB
TypeScript
299 lines
10 KiB
TypeScript
/* Schedule any workflow reminder that falls within 72 hours for email */
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import client from "@sendgrid/client";
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import sgMail from "@sendgrid/mail";
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import type { NextApiRequest, NextApiResponse } from "next";
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import { v4 as uuidv4 } from "uuid";
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import dayjs from "@calcom/dayjs";
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import { getCalEventResponses } from "@calcom/features/bookings/lib/getCalEventResponses";
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import logger from "@calcom/lib/logger";
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import { defaultHandler } from "@calcom/lib/server";
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import { getTimeFormatStringFromUserTimeFormat } from "@calcom/lib/timeFormat";
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import prisma from "@calcom/prisma";
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import { WorkflowActions, WorkflowMethods, WorkflowTemplates } from "@calcom/prisma/enums";
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import { bookingMetadataSchema } from "@calcom/prisma/zod-utils";
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import type { PartialWorkflowReminder } from "../lib/getWorkflowReminders";
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import {
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getAllRemindersToCancel,
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getAllRemindersToDelete,
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getAllUnscheduledReminders,
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} from "../lib/getWorkflowReminders";
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import { getiCalEventAsString } from "../lib/getiCalEventAsString";
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import type { VariablesType } from "../lib/reminders/templates/customTemplate";
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import customTemplate from "../lib/reminders/templates/customTemplate";
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import emailReminderTemplate from "../lib/reminders/templates/emailReminderTemplate";
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const sendgridAPIKey = process.env.SENDGRID_API_KEY as string;
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const senderEmail = process.env.SENDGRID_EMAIL as string;
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sgMail.setApiKey(sendgridAPIKey);
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client.setApiKey(sendgridAPIKey);
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async function handler(req: NextApiRequest, res: NextApiResponse) {
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const apiKey = req.headers.authorization || req.query.apiKey;
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if (process.env.CRON_API_KEY !== apiKey) {
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res.status(401).json({ message: "Not authenticated" });
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return;
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}
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if (!process.env.SENDGRID_API_KEY || !process.env.SENDGRID_EMAIL) {
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res.status(405).json({ message: "No SendGrid API key or email" });
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return;
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}
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const sandboxMode = process.env.NEXT_PUBLIC_IS_E2E ? true : false;
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// delete batch_ids with already past scheduled date from scheduled_sends
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const remindersToDelete: { referenceId: string | null }[] = await getAllRemindersToDelete();
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const deletePromises: Promise<any>[] = [];
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for (const reminder of remindersToDelete) {
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const deletePromise = client.request({
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url: `/v3/user/scheduled_sends/${reminder.referenceId}`,
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method: "DELETE",
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});
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deletePromises.push(deletePromise);
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}
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Promise.allSettled(deletePromises).then((results) => {
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results.forEach((result) => {
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if (result.status === "rejected") {
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logger.error(`Error deleting batch id from scheduled_sends: ${result.reason}`);
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}
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});
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});
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//delete workflow reminders with past scheduled date
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await prisma.workflowReminder.deleteMany({
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where: {
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method: WorkflowMethods.EMAIL,
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scheduledDate: {
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lte: dayjs().toISOString(),
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},
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},
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});
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//cancel reminders for cancelled/rescheduled bookings that are scheduled within the next hour
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const remindersToCancel: { referenceId: string | null; id: number }[] = await getAllRemindersToCancel();
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const cancelUpdatePromises: Promise<any>[] = [];
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for (const reminder of remindersToCancel) {
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const cancelPromise = client.request({
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url: "/v3/user/scheduled_sends",
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method: "POST",
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body: {
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batch_id: reminder.referenceId,
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status: "cancel",
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},
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});
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const updatePromise = prisma.workflowReminder.update({
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where: {
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id: reminder.id,
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},
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data: {
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scheduled: false, // to know which reminder already got cancelled (to avoid error from cancelling the same reminders again)
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},
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});
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cancelUpdatePromises.push(cancelPromise, updatePromise);
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}
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Promise.allSettled(cancelUpdatePromises).then((results) => {
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results.forEach((result) => {
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if (result.status === "rejected") {
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logger.error(`Error cancelling scheduled_sends: ${result.reason}`);
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}
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});
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});
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// schedule all unscheduled reminders within the next 72 hours
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const sendEmailPromises: Promise<any>[] = [];
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const unscheduledReminders: PartialWorkflowReminder[] = await getAllUnscheduledReminders();
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if (!unscheduledReminders.length) {
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res.status(200).json({ message: "No Emails to schedule" });
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return;
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}
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for (const reminder of unscheduledReminders) {
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if (!reminder.workflowStep || !reminder.booking) {
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continue;
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}
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try {
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let sendTo;
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switch (reminder.workflowStep.action) {
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case WorkflowActions.EMAIL_HOST:
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sendTo = reminder.booking.user?.email;
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break;
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case WorkflowActions.EMAIL_ATTENDEE:
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sendTo = reminder.booking.attendees[0].email;
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break;
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case WorkflowActions.EMAIL_ADDRESS:
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sendTo = reminder.workflowStep.sendTo;
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}
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const name =
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reminder.workflowStep.action === WorkflowActions.EMAIL_ATTENDEE
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? reminder.booking.attendees[0].name
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: reminder.booking.user?.name;
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const attendeeName =
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reminder.workflowStep.action === WorkflowActions.EMAIL_ATTENDEE
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? reminder.booking.user?.name
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: reminder.booking.attendees[0].name;
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const timeZone =
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reminder.workflowStep.action === WorkflowActions.EMAIL_ATTENDEE
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? reminder.booking.attendees[0].timeZone
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: reminder.booking.user?.timeZone;
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const locale =
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reminder.workflowStep.action === WorkflowActions.EMAIL_ATTENDEE ||
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reminder.workflowStep.action === WorkflowActions.SMS_ATTENDEE
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? reminder.booking.attendees[0].locale
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: reminder.booking.user?.locale;
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let emailContent = {
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emailSubject: reminder.workflowStep.emailSubject || "",
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emailBody: `<body style="white-space: pre-wrap;">${reminder.workflowStep.reminderBody || ""}</body>`,
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};
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let emailBodyEmpty = false;
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if (reminder.workflowStep.reminderBody) {
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const { responses } = getCalEventResponses({
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bookingFields: reminder.booking.eventType?.bookingFields ?? null,
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booking: reminder.booking,
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});
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const variables: VariablesType = {
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eventName: reminder.booking.eventType?.title || "",
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organizerName: reminder.booking.user?.name || "",
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attendeeName: reminder.booking.attendees[0].name,
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attendeeEmail: reminder.booking.attendees[0].email,
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eventDate: dayjs(reminder.booking.startTime).tz(timeZone),
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eventEndTime: dayjs(reminder.booking?.endTime).tz(timeZone),
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timeZone: timeZone,
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location: reminder.booking.location || "",
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additionalNotes: reminder.booking.description,
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responses: responses,
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meetingUrl: bookingMetadataSchema.parse(reminder.booking.metadata || {})?.videoCallUrl,
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cancelLink: `/booking/${reminder.booking.uid}?cancel=true`,
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rescheduleLink: `/${reminder.booking.user?.username}/${reminder.booking.eventType?.slug}?rescheduleUid=${reminder.booking.uid}`,
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};
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const emailLocale = locale || "en";
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const emailSubject = customTemplate(
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reminder.workflowStep.emailSubject || "",
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variables,
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emailLocale,
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getTimeFormatStringFromUserTimeFormat(reminder.booking.user?.timeFormat),
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!!reminder.booking.user?.hideBranding
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).text;
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emailContent.emailSubject = emailSubject;
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emailContent.emailBody = customTemplate(
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reminder.workflowStep.reminderBody || "",
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variables,
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emailLocale,
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getTimeFormatStringFromUserTimeFormat(reminder.booking.user?.timeFormat),
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!!reminder.booking.user?.hideBranding
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).html;
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emailBodyEmpty =
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customTemplate(
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reminder.workflowStep.reminderBody || "",
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variables,
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emailLocale,
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getTimeFormatStringFromUserTimeFormat(reminder.booking.user?.timeFormat)
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).text.length === 0;
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} else if (reminder.workflowStep.template === WorkflowTemplates.REMINDER) {
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emailContent = emailReminderTemplate(
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false,
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reminder.workflowStep.action,
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getTimeFormatStringFromUserTimeFormat(reminder.booking.user?.timeFormat),
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reminder.booking.startTime.toISOString() || "",
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reminder.booking.endTime.toISOString() || "",
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reminder.booking.eventType?.title || "",
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timeZone || "",
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attendeeName || "",
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name || "",
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!!reminder.booking.user?.hideBranding
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);
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}
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if (emailContent.emailSubject.length > 0 && !emailBodyEmpty && sendTo) {
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const batchIdResponse = await client.request({
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url: "/v3/mail/batch",
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method: "POST",
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});
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const batchId = batchIdResponse[1].batch_id;
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if (reminder.workflowStep.action !== WorkflowActions.EMAIL_ADDRESS) {
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sendEmailPromises.push(
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sgMail.send({
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to: sendTo,
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from: {
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email: senderEmail,
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name: reminder.workflowStep.sender || "Cal.com",
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},
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subject: emailContent.emailSubject,
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html: emailContent.emailBody,
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batchId: batchId,
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sendAt: dayjs(reminder.scheduledDate).unix(),
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replyTo: reminder.booking.user?.email || senderEmail,
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mailSettings: {
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sandboxMode: {
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enable: sandboxMode,
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},
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},
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attachments: reminder.workflowStep.includeCalendarEvent
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? [
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{
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content: Buffer.from(getiCalEventAsString(reminder.booking) || "").toString("base64"),
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filename: "event.ics",
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type: "text/calendar; method=REQUEST",
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disposition: "attachment",
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contentId: uuidv4(),
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},
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]
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: undefined,
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})
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);
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}
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await prisma.workflowReminder.update({
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where: {
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id: reminder.id,
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},
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data: {
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scheduled: true,
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referenceId: batchId,
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},
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});
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}
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} catch (error) {
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logger.error(`Error scheduling Email with error ${error}`);
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}
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}
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Promise.allSettled(sendEmailPromises).then((results) => {
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results.forEach((result) => {
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if (result.status === "rejected") {
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logger.error("Email sending failed", result.reason);
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}
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});
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});
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res.status(200).json({ message: `${unscheduledReminders.length} Emails scheduled` });
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}
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export default defaultHandler({
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POST: Promise.resolve({ default: handler }),
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});
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