notifications.go

package notifications

import (
	"log"
	"os"
	"text/template"

	"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/aws/session"
	"github.com/aws/aws-sdk-go/service/ses"
	"github.com/davidbanham/marcel"
	"github.com/davidbanham/required_env"
)

var svc *ses.SES
var testMode bool
var debugLogging bool
var tmpl *template.Template
var attachmentTmpl *template.Template

func init() {
	if os.Getenv("TEST_MOCKS_ON") == "true" {
		testMode = true
		return
	}
	if os.Getenv("NOTIFICATIONS_LOG_LEVEL") == "debug" {
		debugLogging = true
	}
	required_env.Ensure(map[string]string{
		"AWS_ACCESS_KEY_ID":     "",
		"AWS_SECRET_ACCESS_KEY": "",
	})

	sess, err := session.NewSession(&aws.Config{
		Region: aws.String("us-east-1"),
	})
	if err != nil {
		log.Fatal(err)
	}
	svc = ses.New(sess)
}

type Email = marcel.Email

type Attachment = marcel.Attachment

func SendEmail(email Email) error {
	if debugLogging {
		log.Printf("DEBUG notifications email: %+v \n", email)
	}
	if testMode {
		log.Println("INFO notifications TESTMODE dropping email to", email.To, "from", email.From)
		return nil
	}
	log.Println("INFO notifications sending email to", email.To, "from", email.From)

	mime, err := email.ToMIME()

	if err != nil {
		return err
	}

	return SendRawEmail(mime)
}

func SendRawEmail(data []byte) error {
	if testMode {
		log.Println("INFO notifications TESTMODE dropping raw email")
		return nil
	}

	input := &ses.SendRawEmailInput{
		RawMessage: &ses.RawMessage{
			Data: data,
		},
	}

	_, err := svc.SendRawEmail(input)
	return err
}