Merge pull request tucnak#302 from faglo/verbose-mode

Verbose mode

api.go

@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"io"
 	"io/ioutil"
+	"log"
 	"mime/multipart"
 	"net/http"
 	"os"
@@ -38,6 +39,14 @@ func (b *Bot) Raw(method string, payload interface{}) ([]byte, error) {
 		return nil, wrapError(err)
 	}
 
+	if b.verbose {
+		log.Printf(`[verbose] telebot: sent request
+Method: %v
+URL: %v
+Params: %v
+Response: %v`, method, strings.Replace(url, b.Token, "<token>", -1), payload, string(data))
+	}
+
 	// returning data as well
 	return data, extractOk(data)
 }

bot.go

@@ -37,6 +37,7 @@ func NewBot(pref Settings) (*Bot, error) {
 
 		handlers:    make(map[string]interface{}),
 		synchronous: pref.Synchronous,
+		verbose:     pref.Verbose,
 		parseMode:   pref.ParseMode,
 		stop:        make(chan struct{}),
 		reporter:    pref.Reporter,
@@ -66,6 +67,7 @@ type Bot struct {
 
 	handlers    map[string]interface{}
 	synchronous bool
+	verbose     bool
 	parseMode   ParseMode
 	reporter    func(error)
 	stop        chan struct{}
@@ -91,6 +93,10 @@ type Settings struct {
 	// It makes ProcessUpdate return after the handler is finished.
 	Synchronous bool
 
+	// Verbose mode let you to debug the bot
+	// Shows upcoming requests
+	Verbose bool
+
 	// ParseMode used to set default parse mode of all sent messages.
 	// It attaches to every send, edit or whatever method. You also
 	// will be able to override the default mode by passing a new one.
@@ -298,6 +304,7 @@ func (b *Bot) ProcessUpdate(upd Update) {
 
 			return
 		}
+
 	}
 
 	if upd.EditedMessage != nil {
@@ -442,6 +449,7 @@ func (b *Bot) ProcessUpdate(upd Update) {
 
 		return
 	}
+
 }
 
 func (b *Bot) handle(end string, m *Message) bool {