Merge pull request #250 from fullpipe/add-animation

Add sendAnimation

media.go

@@ -132,6 +132,27 @@ func (v *Video) MediaFile() *File {
 	return &v.File
 }
 
+// Animation object represents a animation file.
+type Animation struct {
+	File
+
+	Width  int `json:"width"`
+	Height int `json:"height"`
+
+	Duration int `json:"duration,omitempty"`
+
+	// (Optional)
+	Caption   string `json:"caption,omitempty"`
+	Thumbnail *Photo `json:"thumb,omitempty"`
+	MIME      string `json:"mime_type,omitempty"`
+	FileName  string `json:"file_name,omitempty"`
+}
+
+// MediaFile returns &Animation.File
+func (v *Animation) MediaFile() *File {
+	return &v.File
+}
+
 // Voice object represents a voice note.
 type Voice struct {
 	File

message.go

@@ -87,6 +87,9 @@ type Message struct {
 	// For a video, information about it.
 	Video *Video `json:"video"`
 
+	// For a animation, information about it.
+	Animation *Animation `json:"animation"`
+
 	// For a contact, contact information itself.
 	Contact *Contact `json:"contact"`
 

sendable.go

@@ -3,6 +3,7 @@ package telebot
 import (
 	"encoding/json"
 	"fmt"
+	"path/filepath"
 	"strconv"
 )
 
@@ -166,6 +167,44 @@ func (v *Video) Send(b *Bot, to Recipient, opt *SendOptions) (*Message, error) {
 	return msg, nil
 }
 
+// Send delivers animation through bot b to recipient.
+// @see https://core.telegram.org/bots/api#sendanimation
+func (a *Animation) Send(b *Bot, to Recipient, opt *SendOptions) (*Message, error) {
+	params := map[string]string{
+		"chat_id":   to.Recipient(),
+		"caption":   a.Caption,
+		"file_name": a.FileName,
+	}
+
+	if a.Duration != 0 {
+		params["duration"] = strconv.Itoa(a.Duration)
+	}
+	if a.Width != 0 {
+		params["width"] = strconv.Itoa(a.Width)
+	}
+	if a.Height != 0 {
+		params["height"] = strconv.Itoa(a.Height)
+	}
+
+	// file_name is required, without file_name GIFs sent as document
+	if params["file_name"] == "" && a.File.OnDisk() {
+		params["file_name"] = filepath.Base(a.File.FileLocal)
+	}
+
+	embedSendOptions(params, opt)
+
+	msg, err := b.sendObject(&a.File, "animation", params, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	msg.Animation.File.stealRef(&a.File)
+	*a = *msg.Animation
+	a.Caption = msg.Caption
+
+	return msg, nil
+}
+
 // Send delivers media through bot b to recipient.
 func (v *Voice) Send(b *Bot, to Recipient, opt *SendOptions) (*Message, error) {
 	params := map[string]string{