Add untested support for Inline Queries.

bot.go

@@ -121,29 +121,31 @@ func (bot *BotAPI) UploadFile(endpoint string, params map[string]string, fieldna
 		buf := bytes.NewBuffer(f.Bytes)
 		ms.WriteReader(fieldname, f.Name, int64(len(f.Bytes)), buf)
 	case FileReader:
-		if f.Size == -1 {
+		if f.Size != -1 {
-			data, err := ioutil.ReadAll(f.Reader)
+			ms.WriteReader(fieldname, f.Name, f.Size, f.Reader)
-			if err != nil {
-				return APIResponse{}, err
-			}
-			buf := bytes.NewBuffer(data)
-
-			ms.WriteReader(fieldname, f.Name, int64(len(data)), buf)
 
 			break
 		}
 
-		ms.WriteReader(fieldname, f.Name, f.Size, f.Reader)
+		data, err := ioutil.ReadAll(f.Reader)
+		if err != nil {
+			return APIResponse{}, err
+		}
+
+		buf := bytes.NewBuffer(data)
+
+		ms.WriteReader(fieldname, f.Name, int64(len(data)), buf)
 	default:
 		return APIResponse{}, errors.New("bad file type")
 	}
 
 	req, err := http.NewRequest("POST", fmt.Sprintf(APIEndpoint, bot.Token, endpoint), nil)
-	ms.SetupRequest(req)
 	if err != nil {
 		return APIResponse{}, err
 	}
 
+	ms.SetupRequest(req)
+
 	res, err := bot.Client.Do(req)
 	if err != nil {
 		return APIResponse{}, err
@@ -156,7 +158,7 @@ func (bot *BotAPI) UploadFile(endpoint string, params map[string]string, fieldna
 	}
 
 	if bot.Debug {
-		log.Println(string(bytes[:]))
+		log.Println(string(bytes))
 	}
 
 	var apiResp APIResponse
@@ -194,9 +196,7 @@ func (bot *BotAPI) GetMe() (User, error) {
 	var user User
 	json.Unmarshal(resp.Result, &user)
 
-	if bot.Debug {
+	bot.debugLog("getMe", nil, user)
-		log.Printf("getMe: %+v\n", user)
-	}
 
 	return user, nil
 }
@@ -451,3 +451,20 @@ func (bot *BotAPI) ListenForWebhook(pattern string) (<-chan Update, http.Handler
 
 	return updatesChan, handler
 }
+
+// AnswerInlineQuery sends a response to an inline query.
+func (bot *BotAPI) AnswerInlineQuery(config InlineConfig) (APIResponse, error) {
+	v := url.Values{}
+
+	v.Add("inline_query_id", config.InlineQueryID)
+	v.Add("cache_time", strconv.Itoa(config.CacheTime))
+	v.Add("is_personal", strconv.FormatBool(config.IsPersonal))
+	v.Add("next_offset", config.NextOffset)
+	data, err := json.Marshal(config.Results)
+	if err != nil {
+		return APIResponse{}, err
+	}
+	v.Add("results", string(data))
+
+	return bot.MakeRequest("answerInlineQuery", v)
+}

configs.go

@@ -38,13 +38,13 @@ const (
 	ModeMarkdown = "Markdown"
 )
 
-//Chattable represents any event in chat(MessageConfig, PhotoConfig, ChatActionConfig and others)
+// Chattable represents any event in chat(MessageConfig, PhotoConfig, ChatActionConfig and others)
 type Chattable interface {
 	Values() (url.Values, error)
 	Method() string
 }
 
-//Fileable represents any file event(PhotoConfig, DocumentConfig, AudioConfig, VoiceConfig, VideoConfig, StickerConfig)
+// Fileable represents any file event(PhotoConfig, DocumentConfig, AudioConfig, VoiceConfig, VideoConfig, StickerConfig)
 type Fileable interface {
 	Chattable
 	Params() (map[string]string, error)
@@ -53,7 +53,7 @@ type Fileable interface {
 	UseExistingFile() bool
 }
 
-// BaseChat is base struct for all chat event(Message, Photo and so on)
+// BaseChat is base struct for all chat events (Message, Photo and so on)
 type BaseChat struct {
 	ChatID           int
 	ChannelUsername  string
@@ -86,7 +86,7 @@ func (chat *BaseChat) Values() (url.Values, error) {
 	return v, nil
 }
 
-// BaseFile is base struct for all file events(PhotoConfig, DocumentConfig, AudioConfig, VoiceConfig, VideoConfig, StickerConfig)
+// BaseFile is base struct for all file events (PhotoConfig, DocumentConfig, AudioConfig, VoiceConfig, VideoConfig, StickerConfig)
 type BaseFile struct {
 	BaseChat
 	FilePath    string
@@ -505,3 +505,12 @@ type FileReader struct {
 	Reader io.Reader
 	Size   int64
 }
+
+// InlineConfig contains information on making an InlineQuery response.
+type InlineConfig struct {
+	InlineQueryID string              `json:"inline_query_id"`
+	Results       []InlineQueryResult `json:"results"`
+	CacheTime     int                 `json:"cache_time"`
+	IsPersonal    bool                `json:"is_personal"`
+	NextOffset    string              `json:"next_offset"`
+}

types.go

@@ -19,6 +19,7 @@ type APIResponse struct {
 type Update struct {
 	UpdateID    int         `json:"update_id"`
 	Message     Message     `json:"message"`
+	InlineQuery InlineQuery `json:"inline_query"`
 }
 
 // User is a user, contained in Message and returned by GetSelf.
@@ -257,3 +258,91 @@ type ForceReply struct {
 	ForceReply bool `json:"force_reply"`
 	Selective  bool `json:"selective"`
 }
+
+// InlineQuery is a Query from Telegram for an inline request
+type InlineQuery struct {
+	ID     string `json:"id"`
+	From   User   `json:"user"`
+	Query  string `json:"query"`
+	Offset string `json:"offset"`
+}
+
+// InlineQueryResult is the base type that all InlineQuery Results have.
+type InlineQueryResult struct {
+	Type string `json:"type"` // required
+	ID   string `json:"id"`   // required
+}
+
+// InlineQueryResultArticle is an inline query response article.
+type InlineQueryResultArticle struct {
+	InlineQueryResult
+	Title                 string `json:"title"`        // required
+	MessageText           string `json:"message_text"` // required
+	ParseMode             string `json:"parse_mode"`   // required
+	DisableWebPagePreview bool   `json:"disable_web_page_preview"`
+	URL                   string `json:"url"`
+	HideURL               bool   `json:"hide_url"`
+	Description           string `json:"description"`
+	ThumbURL              string `json:"thumb_url"`
+	ThumbWidth            int    `json:"thumb_width"`
+	ThumbHeight           int    `json:"thumb_height"`
+}
+
+// InlineQueryResultPhoto is an inline query response photo.
+type InlineQueryResultPhoto struct {
+	InlineQueryResult
+	URL                   string `json:"photo_url"` // required
+	MimeType              string `json:"mime_type"`
+	Width                 int    `json:"photo_width"`
+	Height                int    `json:"photo_height"`
+	ThumbURL              string `json:"thumb_url"`
+	Title                 string `json:"title"`
+	Description           string `json:"description"`
+	Caption               string `json:"caption"`
+	MessageText           string `json:"message_text"`
+	ParseMode             string `json:"parse_mode"`
+	DisableWebPagePreview bool   `json:"disable_web_page_preview"`
+}
+
+// InlineQueryResultGIF is an inline query response GIF.
+type InlineQueryResultGIF struct {
+	InlineQueryResult
+	URL                   string `json:"gif_url"` // required
+	Width                 int    `json:"gif_width"`
+	Height                int    `json:"gif_height"`
+	ThumbURL              string `json:"thumb_url"`
+	Title                 string `json:"title"`
+	Caption               string `json:"caption"`
+	MessageText           string `json:"message_text"`
+	ParseMode             string `json:"parse_mode"`
+	DisableWebPagePreview bool   `json:"disable_web_page_preview"`
+}
+
+// InlineQueryResultMPEG4GIF is an inline query response MPEG4 GIF.
+type InlineQueryResultMPEG4GIF struct {
+	InlineQueryResult
+	URL                   string `json:"mpeg4_url"` // required
+	Width                 int    `json:"mpeg4_width"`
+	Height                int    `json:"mpeg4_height"`
+	ThumbURL              string `json:"thumb_url"`
+	Title                 string `json:"title"`
+	Caption               string `json:"caption"`
+	MessageText           string `json:"message_text"`
+	ParseMode             string `json:"parse_mode"`
+	DisableWebPagePreview bool   `json:"disable_web_page_preview"`
+}
+
+// InlineQueryResultVideo is an inline query response video.
+type InlineQueryResultVideo struct {
+	InlineQueryResult
+	URL                   string `json:"video_url"`    // required
+	MimeType              string `json:"mime_type"`    // required
+	MessageText           string `json:"message_text"` // required
+	ParseMode             string `json:"parse_mode"`
+	DisableWebPagePreview bool   `json:"disable_web_page_preview"`
+	Width                 int    `json:"video_width"`
+	Height                int    `json:"video_height"`
+	ThumbURL              string `json:"thumb_url"`
+	Title                 string `json:"title"`
+	Description           string `json:"description"`
+}