Finalize mail transfer

cmd/trello2mail/email.go

@@ -1,39 +1,72 @@
 package main
 
 import (
-// "errors"
-// "fmt"
-// "log"
-// "os"
-// "strconv"
-// "net"
-// "net/mail"
-// "net/smtp"
+	"strings"
+	// "errors"
+	"bytes"
+	"fmt"
+	"github.com/davecgh/go-spew/spew"
+	// "log"
+	// "os"
+	// "strconv"
+	// "net"
+	"net/mail"
+	// "net/smtp"
 )
 
-type MailHeaders map[string]string
-type MailBody []string
+type EmailHeaders map[string]string
+type EmailBody string
 
 type EmailCtx struct {
-	Headers MailHeaders
-	Body    MailBody
+	Headers EmailHeaders
+	Body    EmailBody
+}
+
+func (headers EmailHeaders) String() string {
+	var buffer bytes.Buffer
+	for k, v := range headers {
+		buffer.WriteString(fmt.Sprintf("%s: %s\r\n", k, v))
+	}
+	return buffer.String()
+}
+
+func (body EmailBody) String() string {
+	res := string(body)
+	if false {
+		spew.Dump(res)
+	}
+	return res
 }
 
 func NewEmail() *EmailCtx {
-	return &EmailCtx{}
+	email := EmailCtx{}
+	email.Headers = make(EmailHeaders)
+	return &email
 }
 
-func (email *EmailCtx) MakeHeaders(config EmailConfig) (int, error) {
+func encodeRFC2047(text string) string {
+	// use mail's rfc2047 to encode any string
+	addr := mail.Address{text, ""}
+	return strings.Trim(addr.String(), " \"<@>")
+}
+
+func (email *EmailCtx) MakeHeaders(config EmailConfig) {
+	email.Headers["Return-Path"] = config.From
 	email.Headers["From"] = config.From
 	email.Headers["To"] = config.To
-	email.Headers["Subject"] = config.Subject
-	return 0, nil
+	email.Headers["Subject"] = encodeRFC2047(config.Subject)
+	// email.Headers["Content-Type"] = "text/plain; charset=\"us-ascii\";"
+	email.Headers["Content-Type"] = "text/plain; charset=\"utf-8\";"
+	email.Headers["Content-Transfer-Encoding"] = "base64"
+	email.Headers["MIME-Version"] = "1.0"
+
+	return
 }
 
-func (email *EmailCtx) MakeBody(content []string) (int, error) {
-	email.Body = content
-	return 0, nil
-}
-
-func (email *EmailCtx) Send() {
+func (email *EmailCtx) MakeBody(content string) {
+	email.Body = EmailBody(content)
+	if false {
+		spew.Dump(email.Body)
+	}
+	return
 }

cmd/trello2mail/main.go

@@ -1,28 +1,10 @@
 package main
 
-// Examples
-// - Sending emails with SSL : https://gist.github.com/chrisgillis/10888032
-// - Project layout https://github.com/golang-standards/project-layout
-// - Markdown rendering https://github.com/russross/blackfriday
-
 import (
 // "gopkg.in/russross/blackfriday.v2"
 // "github.com/davecgh/go-spew/spew"
 )
 
-func BuildContent(config Config) []string {
-	// run taskell (download tasks from trello and export markdown)
-	// read file as an array
-	// insert trello board url
-	// convert to HTML
-
-	// output := blackfriday.Run(input, blackfriday.WithNoExtensions())
-	return []string{}
-}
-
-func ImportFromTrello() {
-}
-
 func main() {
 	// Setup config
 	config := NewConfig()
@@ -32,13 +14,11 @@ func main() {
 	trelloCtx := NewTrello(config.Trello.Token)
 	trelloBoard := trelloCtx.GetBoard(config.Trello.Url)
 	trelloMarkdown := trelloBoard.ExportToMarkdown()
-	panic("samere")
 
 	// Create email enveloppe
 	email := NewEmail()
 	email.MakeHeaders(config.Email)
 	email.MakeBody(trelloMarkdown)
-	email.Send()
 
 	// Connect and send email
 	transport := NewTransport(config.Smtp)

cmd/trello2mail/transport.go

@@ -1,7 +1,9 @@
 package main
 
 import (
+	"bytes"
 	"crypto/tls"
+	"encoding/base64"
 	"fmt"
 	"log"
 	"net/smtp"
@@ -54,7 +56,6 @@ func NewTransportTls(config SmtpConfig) *tls.Config {
 
 func (ctx *TransportCtx) DialInsecure() {
 	// no SSL/TLS
-	fmt.Println("Creating SMTP client...")
 	c, err := smtp.Dial(ctx.Address)
 	if err != nil {
 		log.Panic(err)
@@ -63,13 +64,11 @@ func (ctx *TransportCtx) DialInsecure() {
 }
 
 func (ctx *TransportCtx) DialTls() {
-	fmt.Printf("Creating TLS connection to %s...\n", ctx.Address)
 	conn, err := tls.Dial("tcp", ctx.Address, ctx.Tls)
 	if err != nil {
 		log.Panic(err)
 	}
 
-	fmt.Println("Creating SMTP client...")
 	c, err := smtp.NewClient(conn, ctx.Config.Hostname)
 	if err != nil {
 		log.Panic(err)
@@ -78,12 +77,10 @@ func (ctx *TransportCtx) DialTls() {
 }
 
 func (ctx *TransportCtx) DialStartTls() {
-	fmt.Println("Creating SMTP client...")
 	c, err := smtp.Dial(ctx.Address)
 	if err != nil {
 		log.Panic(err)
 	}
-	fmt.Printf("Creating StartTLS connection to %s...\n", ctx.Address)
 	c.StartTLS(ctx.Tls)
 
 	ctx.Client = c
@@ -114,5 +111,25 @@ func (ctx *TransportCtx) Quit() {
 }
 
 func (ctx *TransportCtx) Send(email *EmailCtx) {
+	// Set email header
+	ctx.Client.Mail(email.Headers["From"])
+	ctx.Client.Rcpt(email.Headers["To"])
+
+	// Set email body
+	wc, err := ctx.Client.Data()
+	if err != nil {
+		log.Panic(err)
+	}
+	defer wc.Close()
+
+	var buffer bytes.Buffer
+	buffer.WriteString(email.Headers.String())
+	buffer.WriteString("\r\n")
+	buffer.WriteString(base64.StdEncoding.EncodeToString([]byte(email.Body.String())))
+
+	if _, err = buffer.WriteTo(wc); err != nil {
+		log.Panic(err)
+	}
+
 	return
 }

cmd/trello2mail/trello.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	//	"errors"
+	"bytes"
 	"fmt"
 	"github.com/adlio/trello"
 	// "github.com/davecgh/go-spew/spew"
@@ -38,10 +39,7 @@ func runcmd(command string) string {
 	return string(out)
 }
 
-func NewTrello(token string) *TrelloCtx {
-	client := trello.NewClient(APP_KEY, token)
-	/*
-		if client == nil {
+func GetTokenProcessMessage() string {
 	url := strings.Join([]string{
 		"https://trello.com/1/authorize?expiration=never",
 		"name=taskell",
@@ -56,9 +54,12 @@ func NewTrello(token string) *TrelloCtx {
 		"When you have your access token, set TRELLO_TOKEN=<your-token>",
 	}, "\n\n")
 
-			log.Panic(errors.New(text))
-		}
-	*/
+	return text
+}
+
+func NewTrello(token string) *TrelloCtx {
+	client := trello.NewClient(APP_KEY, token)
+
 	ctx := TrelloCtx{}
 	ctx.Token = token
 	ctx.Client = client
@@ -79,16 +80,31 @@ func (ctx *TrelloCtx) GetBoard(boardUrl string) TrelloBoard {
 	return TrelloBoard{Ctx: ctx, Ptr: board}
 }
 
-func (board *TrelloBoard) ExportToMarkdown() []string {
-	// var s []string
+func (board *TrelloBoard) ExportToMarkdown() string {
+	var markdown bytes.Buffer
+	var text string
 
 	lists, _ := board.Ptr.GetLists(trello.Defaults())
 	// spew.Dump(lists)
-	// s = append(s, "# Trello board")
-	for _, v := range lists {
-		fmt.Println(v.Name)
+	text = fmt.Sprintf("# Board %s\n\n", board.Ptr.Name)
+	markdown.WriteString(text)
+
+	text = fmt.Sprintf("URL: %s\n", board.Ptr.ShortUrl)
+	markdown.WriteString(text)
+
+	for listIdx := len(lists) - 1; listIdx >= 0; listIdx -= 1 {
+		list := lists[listIdx]
+		text := fmt.Sprintf("\n## %s\n\n", list.Name)
+		markdown.WriteString(text)
+
+		cards, _ := list.GetCards(trello.Defaults())
+		for _, card := range cards {
+			text := fmt.Sprintf("* %s\n", card.Name)
+			markdown.WriteString(text)
+			// spew.Dump(card)
 		}
-	return []string{}
+	}
+	return markdown.String()
 }
 
 /*