refactored email verification

lib/api/sendChangeEmailVerificationRequest.ts

@@ -0,0 +1,54 @@
+import { randomBytes } from "crypto";
+import { prisma } from "./db";
+import transporter from "./transporter";
+import Handlebars from "handlebars";
+import { readFileSync } from "fs";
+import path from "path";
+
+export default async function sendChangeEmailVerificationRequest(
+  oldEmail: string,
+  newEmail: string,
+  user: string
+) {
+  const token = randomBytes(32).toString("hex");
+
+  await prisma.$transaction(async () => {
+    await prisma.verificationToken.create({
+      data: {
+        identifier: oldEmail?.toLowerCase(),
+        token,
+        expires: new Date(Date.now() + 24 * 3600 * 1000), // 1 day
+      },
+    });
+    await prisma.user.update({
+      where: {
+        email: oldEmail?.toLowerCase(),
+      },
+      data: {
+        unverifiedNewEmail: newEmail?.toLowerCase(),
+      },
+    });
+  });
+
+  const emailsDir = path.resolve(process.cwd(), "templates");
+
+  const templateFile = readFileSync(
+    path.join(emailsDir, "verifyEmailChange.html"),
+    "utf8"
+  );
+
+  const emailTemplate = Handlebars.compile(templateFile);
+
+  transporter.sendMail({
+    from: process.env.EMAIL_FROM,
+    to: newEmail,
+    subject: "Verify your new Linkwarden email address",
+    html: emailTemplate({
+      user,
+      baseUrl: process.env.BASE_URL,
+      oldEmail,
+      newEmail,
+      verifyUrl: `${process.env.BASE_URL}/auth/verify-email?token=${token}`,
+    }),
+  });
+}