cal.pub0.org/packages/features/ee/workflows/lib/reminders/emailReminderManager.ts

153 lines
4.5 KiB
TypeScript

import {
TimeUnit,
WorkflowTriggerEvents,
WorkflowTemplates,
WorkflowActions,
WorkflowMethods,
} from "@prisma/client";
import client from "@sendgrid/client";
import sgMail from "@sendgrid/mail";
import dayjs from "@calcom/dayjs";
import prisma from "@calcom/prisma";
import { BookingInfo, timeUnitLowerCase } from "./smsReminderManager";
import emailReminderTemplate from "./templates/emailReminderTemplate";
let sendgridAPIKey, senderEmail: string;
if (process.env.SENDGRID_API_KEY) {
sendgridAPIKey = process.env.SENDGRID_API_KEY as string;
senderEmail = process.env.SENDGRID_EMAIL as string;
sgMail.setApiKey(sendgridAPIKey);
client.setApiKey(sendgridAPIKey);
}
export const scheduleEmailReminder = async (
evt: BookingInfo,
triggerEvent: WorkflowTriggerEvents,
action: WorkflowActions,
timeBefore: {
time: number | null;
timeUnit: TimeUnit | null;
},
sendTo: string,
emailSubject: string,
emailBody: string,
workflowStepId: number,
template: WorkflowTemplates
) => {
const { startTime } = evt;
const uid = evt.uid as string;
const currentDate = dayjs();
const timeUnit: timeUnitLowerCase | undefined =
timeBefore.timeUnit?.toLocaleLowerCase() as timeUnitLowerCase;
const scheduledDate =
timeBefore.time && timeUnit ? dayjs(startTime).subtract(timeBefore.time, timeUnit) : null;
if (!process.env.SENDGRID_API_KEY || !process.env.SENDGRID_EMAIL) {
console.error("Sendgrid credentials are missing from the .env file");
return;
}
const batchIdResponse = await client.request({
url: "/v3/mail/batch",
method: "POST",
});
const name = action === WorkflowActions.EMAIL_HOST ? evt.organizer.name : evt.attendees[0].name;
const attendeeName = action === WorkflowActions.EMAIL_HOST ? evt.attendees[0].name : evt.organizer.name;
const timeZone = action === WorkflowActions.EMAIL_HOST ? evt.organizer.timeZone : evt.attendees[0].timeZone;
let emailContent = {
emailSubject,
emailBody: {
text: emailBody,
html: `<body style="white-space: pre-wrap;">${emailBody}</body>`,
},
};
switch (template) {
case WorkflowTemplates.REMINDER:
emailContent = emailReminderTemplate(startTime, evt.title, timeZone, attendeeName, name);
break;
}
if (
triggerEvent === WorkflowTriggerEvents.NEW_EVENT ||
triggerEvent === WorkflowTriggerEvents.EVENT_CANCELLED
) {
try {
await sgMail.send({
to: sendTo,
from: senderEmail,
subject: emailContent.emailSubject,
text: emailContent.emailBody.text,
html: emailContent.emailBody.html,
batchId: batchIdResponse[1].batch_id,
});
} catch (error) {
console.log("Error sending Email");
}
} else if (triggerEvent === WorkflowTriggerEvents.BEFORE_EVENT && scheduledDate) {
// Sendgrid to schedule emails
// Can only schedule at least 60 minutes and at most 72 hours in advance
if (
currentDate.isBefore(scheduledDate.subtract(1, "hour")) &&
!scheduledDate.isAfter(currentDate.add(72, "hour"))
) {
try {
await sgMail.send({
to: sendTo,
from: senderEmail,
subject: emailContent.emailSubject,
text: emailContent.emailBody.text,
html: emailContent.emailBody.html,
batchId: batchIdResponse[1].batch_id,
sendAt: scheduledDate.unix(),
});
await prisma.workflowReminder.create({
data: {
bookingUid: uid,
workflowStepId: workflowStepId,
method: WorkflowMethods.EMAIL,
scheduledDate: scheduledDate.toDate(),
scheduled: true,
referenceId: batchIdResponse[1].batch_id,
},
});
} catch (error) {
console.log(`Error scheduling email with error ${error}`);
}
} else if (scheduledDate.isAfter(currentDate.add(72, "hour"))) {
// Write to DB and send to CRON if scheduled reminder date is past 72 hours
await prisma.workflowReminder.create({
data: {
bookingUid: uid,
workflowStepId: workflowStepId,
method: WorkflowMethods.EMAIL,
scheduledDate: scheduledDate.toDate(),
scheduled: false,
},
});
}
}
};
export const deleteScheduledEmailReminder = async (referenceId: string) => {
try {
await client.request({
url: "/v3/user/scheduled_sends",
method: "POST",
body: {
batch_id: referenceId,
status: "cancel",
},
});
} catch (error) {
console.log(`Error canceling reminder with error ${error}`);
}
};