function isContactVerified(contact) { // some suggestions: http://stackoverflow.com/questions/6317714/apache-camel-mail-to-identify-auto-generated-messages const regex = new RegExp(/^(noreply|no-reply|donotreply|mailer|support|webmaster|news(letter)?@)/ig) if (!contact.email) { return false; } if (regex.test(contact.email) || contact.email.length > 60) { return false } return true } function extractContacts({db, message}) { const {Contact} = db; let allContacts = []; ['to', 'from', 'bcc', 'cc'].forEach((field) => { allContacts = allContacts.concat(message[field]) }) const verifiedContacts = allContacts.filter(c => isContactVerified(c)); return db.sequelize.transaction((transaction) => { return Promise.all(verifiedContacts.map((contact) => Contact.upsert({ name: contact.name, email: contact.email, accountId: message.accountId, }, { transaction, }) )) }).thenReturn(message) } module.exports = extractContacts