Added CC support with tests

Author: elbuo8

mail.go

@@ -13,6 +13,7 @@ import (
 type SGMail struct {
 	To       []string
 	ToName   []string
+	Cc       []string
 	Subject  string
 	Text     string
 	HTML     string
@@ -78,6 +79,38 @@ func (m *SGMail) AddToNames(names []string) {
 	m.ToName = append(m.ToName, names...)
 }
 
+// AddCc ...
+func (m *SGMail) AddCc(cc string) error {
+	address, err := mail.ParseAddress(cc)
+	if err != nil {
+		return err
+	}
+	m.AddCcRecipient(address)
+	return nil
+}
+
+// AddCcs ...
+func (m *SGMail) AddCcs(ccs []string) error {
+	for i := 0; i < len(ccs); i++ {
+		if err := m.AddCc(ccs[i]); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// AddCcRecipient ...
+func (m *SGMail) AddCcRecipient(recipient *mail.Address) {
+	m.Cc = append(m.Cc, recipient.Address)
+}
+
+// AddCcRecipients ...
+func (m *SGMail) AddCcRecipients(recipients []*mail.Address) {
+	for i := 0; i < len(recipients); i++ {
+		m.AddCcRecipient(recipients[i])
+	}
+}
+
 // SetSubject sets the email's subject
 func (m *SGMail) SetSubject(subject string) {
 	m.Subject = subject

mail_test.go

@@ -86,6 +86,47 @@ func TestAddToNames(t *testing.T) {
 	}
 }
 
+func TestAddCc(t *testing.T) {
+	m := NewMail()
+	m.AddCc("Email Name<email@email.com>")
+	if len(m.Cc) != 1 {
+		t.Errorf("AddCc should append to SGMail.Cc")
+	}
+}
+
+func TestAddCcFail(t *testing.T) {
+	m := NewMail()
+	err := m.AddCc(".com")
+	if err == nil {
+		t.Errorf("AddCc should fail on invalid email addresses")
+	}
+}
+
+func TestAddCcs(t *testing.T) {
+	m := NewMail()
+	m.AddCcs([]string{"Email Name <email+1@email.com>", "email+2@email.com"})
+	if len(m.Cc) != 2 {
+		t.Errorf("AddCcs should append to SGMail.Cc")
+	}
+}
+
+func TestAddCcsFail(t *testing.T) {
+	m := NewMail()
+	err := m.AddCcs([]string{".co", "email+2@email.com"})
+	if err == nil {
+		t.Errorf("AddCcs should fail in invalid email address")
+	}
+}
+
+func TestAddCcRecipients(t *testing.T) {
+	m := NewMail()
+	emails, _ := mail.ParseAddressList("Joe <email+1@email.com>, Doe <email+2@email.com>")
+	m.AddCcRecipients(emails)
+	if len(m.Cc) != 2 {
+		t.Errorf("AddCcRecipients should append to SGMail.Cc")
+	}
+}
+
 func TestSetSubject(t *testing.T) {
 	m := NewMail()
 	testSubject := "Subject"

sendgrid.go

@@ -11,7 +11,7 @@ import (
 	"time"
 )
 
-const Version = "0.5.1"
+const Version = "1.0.0"
 
 func timeoutHandler(network, address string) (net.Conn, error) {
 	return net.DialTimeout(network, address, time.Duration(5*time.Second))
@@ -60,6 +60,9 @@ func (sg *SGClient) buildURL(m *SGMail) (url.Values, error) {
 	for i := 0; i < len(m.To); i++ {
 		values.Add("to[]", m.To[i])
 	}
+	for i := 0; i < len(m.Cc); i++ {
+		values.Add("cc[]", m.Cc[i])
+	}
 	for i := 0; i < len(m.Bcc); i++ {
 		values.Add("bcc[]", m.Bcc[i])
 	}