Add unsend campaign feature (#45)
* Add unsend email editor Add email editor Add more email editor Add renderer partial Add more marketing email features * Add more campaign feature * Add variables * Getting there * campaign is there mfs * Add migration
This commit is contained in:
KM Koushik
GitHub
309
apps/web/src/server/service/campaign-service.ts
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309
apps/web/src/server/service/campaign-service.ts
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import { EmailRenderer } from "@unsend/email-editor/src/renderer";
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import { db } from "../db";
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import { createHash } from "crypto";
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import { env } from "~/env";
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import { Campaign, Contact, EmailStatus } from "@prisma/client";
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import { validateDomainFromEmail } from "./domain-service";
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import { EmailQueueService } from "./email-queue-service";
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export async function sendCampaign(id: string) {
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let campaign = await db.campaign.findUnique({
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where: { id },
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});
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if (!campaign) {
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throw new Error("Campaign not found");
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}
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if (!campaign.content) {
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throw new Error("No content added for campaign");
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}
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let jsonContent: Record<string, any>;
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try {
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jsonContent = JSON.parse(campaign.content);
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const renderer = new EmailRenderer(jsonContent);
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const html = await renderer.render();
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campaign = await db.campaign.update({
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where: { id },
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data: { html },
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});
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} catch (error) {
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console.error(error);
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throw new Error("Failed to parse campaign content");
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}
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if (!campaign.contactBookId) {
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throw new Error("No contact book found for campaign");
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}
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const contactBook = await db.contactBook.findUnique({
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where: { id: campaign.contactBookId },
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include: {
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contacts: {
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where: {
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subscribed: true,
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},
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},
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},
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});
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if (!contactBook) {
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throw new Error("Contact book not found");
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}
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if (!campaign.html) {
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throw new Error("No HTML content for campaign");
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}
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await sendCampaignEmail(campaign, {
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campaignId: campaign.id,
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from: campaign.from,
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subject: campaign.subject,
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html: campaign.html,
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replyTo: campaign.replyTo,
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cc: campaign.cc,
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bcc: campaign.bcc,
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teamId: campaign.teamId,
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contacts: contactBook.contacts,
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});
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await db.campaign.update({
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where: { id },
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data: { status: "SENT", total: contactBook.contacts.length },
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});
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}
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export function createUnsubUrl(contactId: string, campaignId: string) {
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const unsubId = `${contactId}-${campaignId}`;
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const unsubHash = createHash("sha256")
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.update(`${unsubId}-${env.NEXTAUTH_SECRET}`)
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.digest("hex");
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return `${env.NEXTAUTH_URL}/unsubscribe?id=${unsubId}&hash=${unsubHash}`;
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}
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export async function unsubscribeContact(id: string, hash: string) {
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const [contactId, campaignId] = id.split("-");
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if (!contactId || !campaignId) {
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throw new Error("Invalid unsubscribe link");
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}
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// Verify the hash
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const expectedHash = createHash("sha256")
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.update(`${id}-${env.NEXTAUTH_SECRET}`)
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.digest("hex");
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if (hash !== expectedHash) {
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throw new Error("Invalid unsubscribe link");
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}
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// Update the contact's subscription status
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try {
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const contact = await db.contact.findUnique({
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where: { id: contactId },
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});
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if (!contact) {
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throw new Error("Contact not found");
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}
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if (contact.subscribed) {
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await db.contact.update({
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where: { id: contactId },
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data: { subscribed: false },
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});
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await db.campaign.update({
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where: { id: campaignId },
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data: {
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unsubscribed: {
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increment: 1,
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},
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},
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});
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}
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return contact;
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} catch (error) {
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console.error("Error unsubscribing contact:", error);
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throw new Error("Failed to unsubscribe contact");
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}
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}
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export async function subscribeContact(id: string, hash: string) {
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const [contactId, campaignId] = id.split("-");
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if (!contactId || !campaignId) {
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throw new Error("Invalid subscribe link");
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}
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// Verify the hash
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const expectedHash = createHash("sha256")
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.update(`${id}-${env.NEXTAUTH_SECRET}`)
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.digest("hex");
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if (hash !== expectedHash) {
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throw new Error("Invalid subscribe link");
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}
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// Update the contact's subscription status
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try {
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const contact = await db.contact.findUnique({
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where: { id: contactId },
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});
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if (!contact) {
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throw new Error("Contact not found");
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}
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if (!contact.subscribed) {
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await db.contact.update({
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where: { id: contactId },
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data: { subscribed: true },
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});
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await db.campaign.update({
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where: { id: campaignId },
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data: {
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unsubscribed: {
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decrement: 1,
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},
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},
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});
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}
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return true;
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} catch (error) {
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console.error("Error subscribing contact:", error);
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throw new Error("Failed to subscribe contact");
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}
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}
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type CampainEmail = {
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campaignId: string;
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from: string;
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subject: string;
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html: string;
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replyTo?: string[];
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cc?: string[];
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bcc?: string[];
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teamId: number;
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contacts: Array<Contact>;
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};
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export async function sendCampaignEmail(
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campaign: Campaign,
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emailData: CampainEmail
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) {
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const { campaignId, from, subject, replyTo, cc, bcc, teamId, contacts } =
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emailData;
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const jsonContent = JSON.parse(campaign.content || "{}");
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const renderer = new EmailRenderer(jsonContent);
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const domain = await validateDomainFromEmail(from, teamId);
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const contactWithHtml = await Promise.all(
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contacts.map(async (contact) => {
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const unsubscribeUrl = createUnsubUrl(contact.id, campaignId);
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return {
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...contact,
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html: await renderer.render({
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shouldReplaceVariableValues: true,
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variableValues: {
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email: contact.email,
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firstName: contact.firstName,
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lastName: contact.lastName,
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},
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linkValues: {
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"{{unsend_unsubscribe_url}}": unsubscribeUrl,
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},
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}),
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};
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})
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);
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// Create emails in bulk
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await db.email.createMany({
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data: contactWithHtml.map((contact) => ({
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to: [contact.email],
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replyTo: replyTo
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? Array.isArray(replyTo)
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? replyTo
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: [replyTo]
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: undefined,
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cc: cc ? (Array.isArray(cc) ? cc : [cc]) : undefined,
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bcc: bcc ? (Array.isArray(bcc) ? bcc : [bcc]) : undefined,
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from,
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subject,
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html: contact.html,
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teamId,
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campaignId,
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contactId: contact.id,
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domainId: domain.id,
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})),
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});
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// Fetch created emails
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const emails = await db.email.findMany({
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where: {
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teamId,
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campaignId,
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},
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});
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// Queue emails
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await Promise.all(
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emails.map((email) =>
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EmailQueueService.queueEmail(email.id, domain.region, false)
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)
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);
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}
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export async function updateCampaignAnalytics(
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campaignId: string,
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emailStatus: EmailStatus
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) {
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const campaign = await db.campaign.findUnique({
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where: { id: campaignId },
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});
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if (!campaign) {
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throw new Error("Campaign not found");
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}
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const updateData: Record<string, any> = {};
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switch (emailStatus) {
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case EmailStatus.SENT:
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updateData.sent = { increment: 1 };
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break;
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case EmailStatus.DELIVERED:
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updateData.delivered = { increment: 1 };
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break;
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case EmailStatus.OPENED:
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updateData.opened = { increment: 1 };
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break;
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case EmailStatus.CLICKED:
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updateData.clicked = { increment: 1 };
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break;
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case EmailStatus.BOUNCED:
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updateData.bounced = { increment: 1 };
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break;
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case EmailStatus.COMPLAINED:
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updateData.complained = { increment: 1 };
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break;
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default:
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break;
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}
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await db.campaign.update({
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where: { id: campaignId },
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data: updateData,
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});
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}
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