wtf/utils/email_addresses.go

package utils

import (
	"strings"
)

// NameFromEmail takes an email address and returns the part that comes before the @ symbol
//
// Example:
//
//    NameFromEmail("test_user@example.com")
//    > "Test_user"
//
func NameFromEmail(email string) string {
	parts := strings.Split(email, "@")
	return strings.Title(strings.Replace(parts[0], ".", " ", -1))
}

// NamesFromEmails takes a slice of email addresses and returns a slice of the parts that
// come before the @ symbol
//
// Example:
//
//    NamesFromEmail("test_user@example.com", "other_user@example.com")
//    > []string{"Test_user", "Other_user"}
//
func NamesFromEmails(emails []string) []string {
	names := make([]string, len(emails))

	for i, email := range emails {
		names[i] = NameFromEmail(email)
	}

	return names
}