Support multiple adresses in EMAIL_TO

cmd/trello2mail/config.go

@@ -3,9 +3,11 @@ package main
 import (
 	"errors"
 	"fmt"
+	"strings"
 	// "github.com/davecgh/go-spew/spew"
 	"log"
 	"os"
+	// "reflect"
 	"strconv"
 )
 
@@ -31,7 +33,7 @@ type SmtpConfig struct {
 
 type EmailConfig struct {
 	From    string
-	To      string
+	To      []string
 	Subject string
 }
 type Config struct {
@@ -48,7 +50,7 @@ func (config *Config) ParseEnv() (int, error) {
 	// map env variables to config pointers
 	dataMap := map[string](ConfigEntry){
 		"EMAIL_FROM":    ConfigEntry{"string", &(config.Email.From), nil},
-		"EMAIL_TO":      ConfigEntry{"string", &(config.Email.To), nil},
+		"EMAIL_TO":      ConfigEntry{"stringlist", &(config.Email.To), nil},
 		"EMAIL_SUBJECT": ConfigEntry{"string", &(config.Email.Subject), nil},
 		"TRELLO_URL":    ConfigEntry{"string", &(config.Trello.Url), nil},
 		"TRELLO_TOKEN":  ConfigEntry{"string", &(config.Trello.Token), nil},
@@ -96,6 +98,10 @@ func (config *Config) ParseEnv() (int, error) {
 		case "string":
 			*(mapEntry.Ptr.(*string)) = envValue
 
+		case "stringlist":
+			ptrs := strings.Split(envValue, ",")
+			mapEntry.Ptr = ptrs
+
 		case "uint16":
 			u64, err := strconv.ParseUint(envValue, 10, 16)
 			if err != nil {

cmd/trello2mail/email.go

@@ -5,10 +5,11 @@ package main
 import (
 	"bytes"
 	"encoding/base64"
+	"errors"
 	"fmt"
 	// "github.com/davecgh/go-spew/spew"
+	"log"
 	"strings"
-	// "log"
 	// "strconv"
 	"math/rand"
 	"net/mail"
@@ -48,14 +49,23 @@ func NewEmail() *EmailCtx {
 
 func encodeRFC2047(text string) string {
 	// use mail's rfc2047 to encode any string
-	addr := mail.Address{text, ""}
+	addr := mail.Address{Name: text, Address: ""}
 	return strings.Trim(addr.String(), " \"<@>")
 }
 
 func (email *EmailCtx) SetHeaders(config EmailConfig) {
 	email.Headers["Return-Path"] = config.From
 	email.Headers["From"] = config.From
-	email.Headers["To"] = config.To
+	fmt.Printf("config.To %#v\n", config.To)
+	if len(config.To) < 1 {
+		errmsg := "EMAIL_TO must contain at least one value"
+		log.Panic(errors.New(errmsg))
+	}
+	email.Headers["To"] = config.To[0]
+
+	if len(config.To) > 1 {
+		email.Headers["Cc"] = strings.Join(config.To[1:], ",")
+	}
 	email.Headers["Subject"] = encodeRFC2047(config.Subject)
 	email.Headers["Content-Transfer-Encoding"] = "quoted-printable"
 	email.Headers["MIME-Version"] = "1.0"

cmd/trello2mail/trello.go

@@ -4,7 +4,8 @@ import (
 	"bytes"
 	"fmt"
 	"github.com/adlio/trello"
-	"gopkg.in/russross/blackfriday.v2"
+	"github.com/russross/blackfriday"
+	// "gopkg.in/russross/blackfriday.v2"
 	"log"
 	"net/url"
 	"os/exec"