Implemented email verification

actions/user-verification.ts

@@ -0,0 +1,41 @@
+'use server'
+
+import db from '@/lib/db'
+import { getVerificationTokenByToken } from '@/data/verification-token'
+import { getUserByEmail } from '@/data/user'
+
+export const userVerification = async (token: string) => {
+  const existingToken = await getVerificationTokenByToken(token)
+
+  if (!existingToken) return { error: 'No verification token found!' }
+
+  const tokenHasExpired: boolean = new Date(existingToken.expires) < new Date()
+
+  if (tokenHasExpired) return { error: 'Unfortunately your token has expired!' }
+
+  const existingUser = await getUserByEmail(existingToken.email)
+
+  if (!existingUser) return { error: 'Email associated with token not found!' }
+
+  try {
+    await db.user.update({
+      where: { id: existingUser.id }, data: {
+        email: existingToken.email, emailVerified: new Date(),
+      },
+    })
+  } catch (e) {
+    console.error(e)
+    return { error: 'Could not update user data! Please, try again by reloading page!' }
+  }
+
+  try {
+    await db.verificationToken.delete({
+      where: { id: existingToken.id },
+    })
+  } catch (e) {
+    // TODO: log error on disc or db
+    console.error(e)
+  }
+
+  return { success: 'User verified!' }
+}