Merge pull request #5 from tatang26/task-add-attachments

Attach files to email

sendgrid_sender.go

@@ -1,6 +1,7 @@
 package sender
 
 import (
+	"bytes"
 	"errors"
 	"fmt"
 	"os"
@@ -53,11 +54,31 @@ func (ps SendgridSender) Send(m mail.Message) error {
 	mm.AddPersonalizations(p)
 	mm.AddContent(text, html)
 
+	for _, a := range m.Attachments {
+		b := new(bytes.Buffer)
+		if n, err := b.ReadFrom(a.Reader); err != nil {
+			return fmt.Errorf("Error attaching file: n %v error %v", n, err)
+		}
+
+		disposition := "attachment"
+		if a.Embedded {
+			disposition = "inline"
+		}
+
+		attachment := smail.NewAttachment()
+		attachment.SetFilename(a.Name)
+		attachment.SetContentID(a.Name)
+		attachment.SetContent(b.String())
+		attachment.SetType(a.ContentType)
+		attachment.SetDisposition(disposition)
+		mm.AddAttachment(attachment)
+	}
+
 	response, err := ps.client.Send(mm)
 	if response.StatusCode != 202 {
 		return fmt.Errorf("Error sending email, code %v body %v", response.StatusCode, response.Body)
 	}
-	
+
 	return err
 }