Added basic mailing

mail/mail.go

@@ -0,0 +1,70 @@
+package mail
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/aws/aws-sdk-go/aws/session"
+	"github.com/aws/aws-sdk-go/service/ses"
+)
+
+const CharSet = "UTF-8"
+
+func SendNewsletter(body string) {
+	sess, err := session.NewSession(&aws.Config{
+		Region: aws.String(os.Getenv("REGION"))},
+	)
+
+	svc := ses.New(sess)
+
+	input := &ses.SendEmailInput{
+		Destination: &ses.Destination{
+			CcAddresses: []*string{},
+			ToAddresses: []*string{
+				aws.String(os.Getenv("RECIPIENT")),
+			},
+		},
+		Message: &ses.Message{
+			Body: &ses.Body{
+				Html: &ses.Content{
+					Charset: aws.String(CharSet),
+					Data:    aws.String(body),
+				},
+				Text: &ses.Content{
+					Charset: aws.String(CharSet),
+					Data:    aws.String(body),
+				},
+			},
+			Subject: &ses.Content{
+				Charset: aws.String(CharSet),
+				Data:    aws.String("HackerNewsLetter"),
+			},
+		},
+		Source: aws.String(os.Getenv("SENDER")),
+	}
+
+	result, err := svc.SendEmail(input)
+
+	if err != nil {
+		if aerr, ok := err.(awserr.Error); ok {
+			switch aerr.Code() {
+			case ses.ErrCodeMessageRejected:
+				fmt.Println(ses.ErrCodeMessageRejected, aerr.Error())
+			case ses.ErrCodeMailFromDomainNotVerifiedException:
+				fmt.Println(ses.ErrCodeMailFromDomainNotVerifiedException, aerr.Error())
+			case ses.ErrCodeConfigurationSetDoesNotExistException:
+				fmt.Println(ses.ErrCodeConfigurationSetDoesNotExistException, aerr.Error())
+			default:
+				fmt.Println(aerr.Error())
+			}
+		} else {
+			fmt.Println(err.Error())
+		}
+
+		return
+	}
+
+	fmt.Println("Email sent with messageId " + *result.MessageId)
+}