M helpers.go → helpers.go

@@ -153,6 +153,31 @@ FileID:           fileID,
 	}
 }
 
+// NewVoiceUpload creates a new voice uploader.
+// This requires a file on the local filesystem to upload to Telegram.
+// Perhaps set a ChatAction of ChatRecordVideo or ChatUploadVideo while processing.
+//
+// chatID is where to send it, filename is the path to the file.
+func NewVoiceUpload(chatID int, filename string) VoiceConfig {
+	return VoiceConfig{
+		ChatID:           chatID,
+		UseExistingVoice: false,
+		FilePath:         filename,
+	}
+}
+
+// NewVoiceShare shares an existing voice.
+// You may use this to reshare an existing voice without reuploading it.
+//
+// chatID is where to send it, fileID is the ID of the video already uploaded.
+func NewVoiceShare(chatID int, fileID string) VoiceConfig {
+	return VoiceConfig{
+		ChatID:           chatID,
+		UseExistingVoice: true,
+		FileID:           fileID,
+	}
+}
+
 // NewLocation shares your location.
 // Perhaps set a ChatAction of ChatFindLocation while processing.
 //

M methods.go → methods.go

@@ -70,6 +70,8 @@ // AudioConfig contains information about a SendAudio request.
 type AudioConfig struct {
 	ChatID           int
 	Duration         int
+	Performer        string
+	Title            string
 	ReplyToMessageID int
 	ReplyMarkup      interface{}
 	UseExistingAudio bool
@@ -105,6 +107,17 @@ Caption          string
 	ReplyToMessageID int
 	ReplyMarkup      interface{}
 	UseExistingVideo bool
+	FilePath         string
+	FileID           string
+}
+
+// VoiceConfig contains information about a SendVoice request.
+type VoiceConfig struct {
+	ChatID           int
+	Duration         int
+	ReplyToMessageID int
+	ReplyMarkup      interface{}
+	UseExistingVoice bool
 	FilePath         string
 	FileID           string
 }
@@ -390,7 +403,11 @@ return message, nil
 }
 
 // SendAudio sends or uploads an audio clip to a chat.
-// If using a file, the file must be encoded as an .ogg with OPUS.
+// If using a file, the file must be in the .mp3 format.
+//
+// when the fields title and performer are both empty
+// and the mime-type of the file to be sent is not audio/mpeg,
+// the file must be in an .ogg file encoded with OPUS.
 //
 // Requires ChatID and FileID OR FilePath.
 // ReplyToMessageID and ReplyMarkup are optional.
@@ -413,6 +430,12 @@ }
 
 			v.Add("reply_markup", string(data))
 		}
+		if config.Performer != "" {
+			v.Add("performer", config.Performer)
+		}
+		if config.Title != "" {
+			v.Add("title", config.Title)
+		}
 
 		resp, err := bot.MakeRequest("sendAudio", v)
 		if err != nil {
@@ -436,6 +459,9 @@ params["chat_id"] = strconv.Itoa(config.ChatID)
 	if config.ReplyToMessageID != 0 {
 		params["reply_to_message_id"] = strconv.Itoa(config.ReplyToMessageID)
 	}
+	if config.Duration != 0 {
+		params["duration"] = strconv.Itoa(config.Duration)
+	}
 	if config.ReplyMarkup != nil {
 		data, err := json.Marshal(config.ReplyMarkup)
 		if err != nil {
@@ -443,6 +469,12 @@ return Message{}, err
 		}
 
 		params["reply_markup"] = string(data)
+	}
+	if config.Performer != "" {
+		params["performer"] = config.Performer
+	}
+	if config.Title != "" {
+		params["title"] = config.Title
 	}
 
 	resp, err := bot.UploadFile("sendAudio", params, "audio", config.FilePath)
@@ -522,6 +554,80 @@ json.Unmarshal(resp.Result, &message)
 
 	if bot.Debug {
 		log.Printf("sendDocument resp: %+v\n", message)
+	}
+
+	return message, nil
+}
+
+// SendVoice sends or uploads a playable voice to a chat.
+// If using a file, the file must be encoded as an .ogg with OPUS.
+//
+// Requires ChatID and FileID OR FilePath.
+// ReplyToMessageID and ReplyMarkup are optional.
+func (bot *BotAPI) SendVoice(config VoiceConfig) (Message, error) {
+	if config.UseExistingVoice {
+		v := url.Values{}
+		v.Add("chat_id", strconv.Itoa(config.ChatID))
+		v.Add("voice", config.FileID)
+		if config.ReplyToMessageID != 0 {
+			v.Add("reply_to_message_id", strconv.Itoa(config.ReplyToMessageID))
+		}
+		if config.Duration != 0 {
+			v.Add("duration", strconv.Itoa(config.Duration))
+		}
+		if config.ReplyMarkup != nil {
+			data, err := json.Marshal(config.ReplyMarkup)
+			if err != nil {
+				return Message{}, err
+			}
+
+			v.Add("reply_markup", string(data))
+		}
+
+		resp, err := bot.MakeRequest("sendVoice", v)
+		if err != nil {
+			return Message{}, err
+		}
+
+		var message Message
+		json.Unmarshal(resp.Result, &message)
+
+		if bot.Debug {
+			log.Printf("SendVoice req : %+v\n", v)
+			log.Printf("SendVoice resp: %+v\n", message)
+		}
+
+		return message, nil
+	}
+
+	params := make(map[string]string)
+
+	params["chat_id"] = strconv.Itoa(config.ChatID)
+	if config.ReplyToMessageID != 0 {
+		params["reply_to_message_id"] = strconv.Itoa(config.ReplyToMessageID)
+	}
+	if config.Duration != 0 {
+		params["duration"] = strconv.Itoa(config.Duration)
+	}
+	if config.ReplyMarkup != nil {
+		data, err := json.Marshal(config.ReplyMarkup)
+		if err != nil {
+			return Message{}, err
+		}
+
+		params["reply_markup"] = string(data)
+	}
+
+	resp, err := bot.UploadFile("SendVoice", params, "voice", config.FilePath)
+	if err != nil {
+		return Message{}, err
+	}
+
+	var message Message
+	json.Unmarshal(resp.Result, &message)
+
+	if bot.Debug {
+		log.Printf("SendVoice resp: %+v\n", message)
 	}
 
 	return message, nil

M types.go → types.go

@@ -73,6 +73,7 @@ Document            Document        `json:"document"`
 	Photo               []PhotoSize     `json:"photo"`
 	Sticker             Sticker         `json:"sticker"`
 	Video               Video           `json:"video"`
+	Voice               Voice           `json:"voice"`
 	Caption             string          `json:"caption"`
 	Contact             Contact         `json:"contact"`
 	Location            Location        `json:"location"`
@@ -102,12 +103,15 @@ Height   int    `json:"height"`
 	FileSize int    `json:"file_size"`
 }
 
-// Audio contains information about audio, including ID and Duration.
+// Audio contains information about audio,
+// including ID, Duration, Performer and Title.
 type Audio struct {
-	FileID   string `json:"file_id"`
-	Duration int    `json:"duration"`
-	MimeType string `json:"mime_type"`
-	FileSize int    `json:"file_size"`
+	FileID    string `json:"file_id"`
+	Duration  int    `json:"duration"`
+	Performer string `json:"performer"`
+	Title     string `json:"title"`
+	MimeType  string `json:"mime_type"`
+	FileSize  int    `json:"file_size"`
 }
 
 // Document contains information about a document, including ID and a Thumbnail.
@@ -137,6 +141,14 @@ Duration  int       `json:"duration"`
 	Thumbnail PhotoSize `json:"thumb"`
 	MimeType  string    `json:"mime_type"`
 	FileSize  int       `json:"file_size"`
+}
+
+// Voice contains information about a voice, including ID and duration.
+type Voice struct {
+	FileID   string `json:"file_id"`
+	Duration int    `json:"duration"`
+	MimeType string `json:"mime_type"`
+	FileSize int    `json:"file_size"`
 }
 
 // Contact contains information about a contact, such as PhoneNumber and UserId.