Refactor telegram (#649)

* Decrease complexity in Send() (makes codeclimate happy)

bridge/telegram/handlers.go

@@ -1,6 +1,7 @@
 package btelegram
 
 import (
+	"html"
 	"regexp"
 	"strconv"
 	"strings"
@@ -262,6 +263,49 @@ func (b *Btelegram) getDownloadInfo(id string, suffix string, urlpart bool) (str
 	return text, name, url
 }
 
+// handleDelete handles message deleting
+func (b *Btelegram) handleDelete(msg *config.Message, chatid int64) (string, error) {
+	if msg.ID == "" {
+		return "", nil
+	}
+	msgid, err := strconv.Atoi(msg.ID)
+	if err != nil {
+		return "", err
+	}
+	_, err = b.c.DeleteMessage(tgbotapi.DeleteMessageConfig{ChatID: chatid, MessageID: msgid})
+	return "", err
+}
+
+// handleEdit handles message editing.
+func (b *Btelegram) handleEdit(msg *config.Message, chatid int64) (string, error) {
+	msgid, err := strconv.Atoi(msg.ID)
+	if err != nil {
+		return "", err
+	}
+	if strings.ToLower(b.GetString("MessageFormat")) == HTMLNick {
+		b.Log.Debug("Using mode HTML - nick only")
+		msg.Text = html.EscapeString(msg.Text)
+	}
+	m := tgbotapi.NewEditMessageText(chatid, msgid, msg.Username+msg.Text)
+	switch b.GetString("MessageFormat") {
+	case HTMLFormat:
+		b.Log.Debug("Using mode HTML")
+		m.ParseMode = tgbotapi.ModeHTML
+	case "Markdown":
+		b.Log.Debug("Using mode markdown")
+		m.ParseMode = tgbotapi.ModeMarkdown
+	}
+	if strings.ToLower(b.GetString("MessageFormat")) == HTMLNick {
+		b.Log.Debug("Using mode HTML - nick only")
+		m.ParseMode = tgbotapi.ModeHTML
+	}
+	_, err = b.c.Send(m)
+	if err != nil {
+		return "", err
+	}
+	return "", nil
+}
+
 // handleUploadFile handles native upload of files
 func (b *Btelegram) handleUploadFile(msg *config.Message, chatid int64) string {
 	var c tgbotapi.Chattable

bridge/telegram/telegram.go

@@ -75,15 +75,7 @@ func (b *Btelegram) Send(msg config.Message) (string, error) {
 
 	// Delete message
 	if msg.Event == config.EventMsgDelete {
-		if msg.ID == "" {
+		return b.handleDelete(&msg, chatid)
-			return "", nil
-		}
-		msgid, err := strconv.Atoi(msg.ID)
-		if err != nil {
-			return "", err
-		}
-		_, err = b.c.DeleteMessage(tgbotapi.DeleteMessageConfig{ChatID: chatid, MessageID: msgid})
-		return "", err
 	}
 
 	// Upload a file if it exists
@@ -101,32 +93,7 @@ func (b *Btelegram) Send(msg config.Message) (string, error) {
 
 	// edit the message if we have a msg ID
 	if msg.ID != "" {
-		msgid, err := strconv.Atoi(msg.ID)
+		return b.handleEdit(&msg, chatid)
-		if err != nil {
-			return "", err
-		}
-		if strings.ToLower(b.GetString("MessageFormat")) == HTMLNick {
-			b.Log.Debug("Using mode HTML - nick only")
-			msg.Text = html.EscapeString(msg.Text)
-		}
-		m := tgbotapi.NewEditMessageText(chatid, msgid, msg.Username+msg.Text)
-		if b.GetString("MessageFormat") == HTMLFormat {
-			b.Log.Debug("Using mode HTML")
-			m.ParseMode = tgbotapi.ModeHTML
-		}
-		if b.GetString("MessageFormat") == "Markdown" {
-			b.Log.Debug("Using mode markdown")
-			m.ParseMode = tgbotapi.ModeMarkdown
-		}
-		if strings.ToLower(b.GetString("MessageFormat")) == HTMLNick {
-			b.Log.Debug("Using mode HTML - nick only")
-			m.ParseMode = tgbotapi.ModeHTML
-		}
-		_, err = b.c.Send(m)
-		if err != nil {
-			return "", err
-		}
-		return "", nil
 	}
 
 	// Post normal message