bot.go (view raw)
1// Package tgbotapi has functions and types used for interacting with
2// the Telegram Bot API.
3package tgbotapi
4
5import (
6 "bytes"
7 "encoding/json"
8 "errors"
9 "fmt"
10 "io"
11 "io/ioutil"
12 "net/http"
13 "net/url"
14 "os"
15 "strconv"
16 "strings"
17 "time"
18
19 "github.com/technoweenie/multipartstreamer"
20)
21
22// BotAPI allows you to interact with the Telegram Bot API.
23type BotAPI struct {
24 Token string `json:"token"`
25 Debug bool `json:"debug"`
26 Buffer int `json:"buffer"`
27
28 Self User `json:"-"`
29 Client *http.Client `json:"-"`
30 shutdownChannel chan interface{}
31}
32
33// NewBotAPI creates a new BotAPI instance.
34//
35// It requires a token, provided by @BotFather on Telegram.
36func NewBotAPI(token string) (*BotAPI, error) {
37 return NewBotAPIWithClient(token, &http.Client{})
38}
39
40// NewBotAPIWithClient creates a new BotAPI instance
41// and allows you to pass a http.Client.
42//
43// It requires a token, provided by @BotFather on Telegram.
44func NewBotAPIWithClient(token string, client *http.Client) (*BotAPI, error) {
45 bot := &BotAPI{
46 Token: token,
47 Client: client,
48 Buffer: 100,
49 shutdownChannel: make(chan interface{}),
50 }
51
52 self, err := bot.GetMe()
53 if err != nil {
54 return nil, err
55 }
56
57 bot.Self = self
58
59 return bot, nil
60}
61
62// MakeRequest makes a request to a specific endpoint with our token.
63func (bot *BotAPI) MakeRequest(endpoint string, params url.Values) (APIResponse, error) {
64 method := fmt.Sprintf(APIEndpoint, bot.Token, endpoint)
65
66 resp, err := bot.Client.PostForm(method, params)
67 if err != nil {
68 return APIResponse{}, err
69 }
70 defer resp.Body.Close()
71
72 var apiResp APIResponse
73 bytes, err := bot.decodeAPIResponse(resp.Body, &apiResp)
74 if err != nil {
75 return apiResp, err
76 }
77
78 if bot.Debug {
79 log.Printf("%s resp: %s", endpoint, bytes)
80 }
81
82 if !apiResp.Ok {
83 parameters := ResponseParameters{}
84 if apiResp.Parameters != nil {
85 parameters = *apiResp.Parameters
86 }
87 return apiResp, Error{apiResp.Description, parameters}
88 }
89
90 return apiResp, nil
91}
92
93// decodeAPIResponse decode response and return slice of bytes if debug enabled.
94// If debug disabled, just decode http.Response.Body stream to APIResponse struct
95// for efficient memory usage
96func (bot *BotAPI) decodeAPIResponse(responseBody io.Reader, resp *APIResponse) (_ []byte, err error) {
97 if !bot.Debug {
98 dec := json.NewDecoder(responseBody)
99 err = dec.Decode(resp)
100 return
101 }
102
103 // if debug, read reponse body
104 data, err := ioutil.ReadAll(responseBody)
105 if err != nil {
106 return
107 }
108
109 err = json.Unmarshal(data, resp)
110 if err != nil {
111 return
112 }
113
114 return data, nil
115}
116
117// makeMessageRequest makes a request to a method that returns a Message.
118func (bot *BotAPI) makeMessageRequest(endpoint string, params url.Values) (Message, error) {
119 resp, err := bot.MakeRequest(endpoint, params)
120 if err != nil {
121 return Message{}, err
122 }
123
124 var message Message
125 json.Unmarshal(resp.Result, &message)
126
127 bot.debugLog(endpoint, params, message)
128
129 return message, nil
130}
131
132// UploadFile makes a request to the API with a file.
133//
134// Requires the parameter to hold the file not be in the params.
135// File should be a string to a file path, a FileBytes struct,
136// a FileReader struct, or a url.URL.
137//
138// Note that if your FileReader has a size set to -1, it will read
139// the file into memory to calculate a size.
140func (bot *BotAPI) UploadFile(endpoint string, params map[string]string, fieldname string, file interface{}) (APIResponse, error) {
141 ms := multipartstreamer.New()
142
143 switch f := file.(type) {
144 case string:
145 ms.WriteFields(params)
146
147 fileHandle, err := os.Open(f)
148 if err != nil {
149 return APIResponse{}, err
150 }
151 defer fileHandle.Close()
152
153 fi, err := os.Stat(f)
154 if err != nil {
155 return APIResponse{}, err
156 }
157
158 ms.WriteReader(fieldname, fileHandle.Name(), fi.Size(), fileHandle)
159 case FileBytes:
160 ms.WriteFields(params)
161
162 buf := bytes.NewBuffer(f.Bytes)
163 ms.WriteReader(fieldname, f.Name, int64(len(f.Bytes)), buf)
164 case FileReader:
165 ms.WriteFields(params)
166
167 if f.Size != -1 {
168 ms.WriteReader(fieldname, f.Name, f.Size, f.Reader)
169
170 break
171 }
172
173 data, err := ioutil.ReadAll(f.Reader)
174 if err != nil {
175 return APIResponse{}, err
176 }
177
178 buf := bytes.NewBuffer(data)
179
180 ms.WriteReader(fieldname, f.Name, int64(len(data)), buf)
181 case url.URL:
182 params[fieldname] = f.String()
183
184 ms.WriteFields(params)
185 default:
186 return APIResponse{}, errors.New(ErrBadFileType)
187 }
188
189 method := fmt.Sprintf(APIEndpoint, bot.Token, endpoint)
190
191 req, err := http.NewRequest("POST", method, nil)
192 if err != nil {
193 return APIResponse{}, err
194 }
195
196 ms.SetupRequest(req)
197
198 res, err := bot.Client.Do(req)
199 if err != nil {
200 return APIResponse{}, err
201 }
202 defer res.Body.Close()
203
204 bytes, err := ioutil.ReadAll(res.Body)
205 if err != nil {
206 return APIResponse{}, err
207 }
208
209 if bot.Debug {
210 log.Println(string(bytes))
211 }
212
213 var apiResp APIResponse
214
215 err = json.Unmarshal(bytes, &apiResp)
216 if err != nil {
217 return APIResponse{}, err
218 }
219
220 if !apiResp.Ok {
221 return APIResponse{}, errors.New(apiResp.Description)
222 }
223
224 return apiResp, nil
225}
226
227// GetFileDirectURL returns direct URL to file
228//
229// It requires the FileID.
230func (bot *BotAPI) GetFileDirectURL(fileID string) (string, error) {
231 file, err := bot.GetFile(FileConfig{fileID})
232
233 if err != nil {
234 return "", err
235 }
236
237 return file.Link(bot.Token), nil
238}
239
240// GetMe fetches the currently authenticated bot.
241//
242// This method is called upon creation to validate the token,
243// and so you may get this data from BotAPI.Self without the need for
244// another request.
245func (bot *BotAPI) GetMe() (User, error) {
246 resp, err := bot.MakeRequest("getMe", nil)
247 if err != nil {
248 return User{}, err
249 }
250
251 var user User
252 json.Unmarshal(resp.Result, &user)
253
254 bot.debugLog("getMe", nil, user)
255
256 return user, nil
257}
258
259// IsMessageToMe returns true if message directed to this bot.
260//
261// It requires the Message.
262func (bot *BotAPI) IsMessageToMe(message Message) bool {
263 return strings.Contains(message.Text, "@"+bot.Self.UserName)
264}
265
266// Send will send a Chattable item to Telegram.
267//
268// It requires the Chattable to send.
269func (bot *BotAPI) Send(c Chattable) (Message, error) {
270 switch c.(type) {
271 case Fileable:
272 return bot.sendFile(c.(Fileable))
273 default:
274 return bot.sendChattable(c)
275 }
276}
277
278// debugLog checks if the bot is currently running in debug mode, and if
279// so will display information about the request and response in the
280// debug log.
281func (bot *BotAPI) debugLog(context string, v url.Values, message interface{}) {
282 if bot.Debug {
283 log.Printf("%s req : %+v\n", context, v)
284 log.Printf("%s resp: %+v\n", context, message)
285 }
286}
287
288// sendExisting will send a Message with an existing file to Telegram.
289func (bot *BotAPI) sendExisting(method string, config Fileable) (Message, error) {
290 v, err := config.values()
291
292 if err != nil {
293 return Message{}, err
294 }
295
296 message, err := bot.makeMessageRequest(method, v)
297 if err != nil {
298 return Message{}, err
299 }
300
301 return message, nil
302}
303
304// uploadAndSend will send a Message with a new file to Telegram.
305func (bot *BotAPI) uploadAndSend(method string, config Fileable) (Message, error) {
306 params, err := config.params()
307 if err != nil {
308 return Message{}, err
309 }
310
311 file := config.getFile()
312
313 resp, err := bot.UploadFile(method, params, config.name(), file)
314 if err != nil {
315 return Message{}, err
316 }
317
318 var message Message
319 json.Unmarshal(resp.Result, &message)
320
321 bot.debugLog(method, nil, message)
322
323 return message, nil
324}
325
326// sendFile determines if the file is using an existing file or uploading
327// a new file, then sends it as needed.
328func (bot *BotAPI) sendFile(config Fileable) (Message, error) {
329 if config.useExistingFile() {
330 return bot.sendExisting(config.method(), config)
331 }
332
333 return bot.uploadAndSend(config.method(), config)
334}
335
336// sendChattable sends a Chattable.
337func (bot *BotAPI) sendChattable(config Chattable) (Message, error) {
338 v, err := config.values()
339 if err != nil {
340 return Message{}, err
341 }
342
343 message, err := bot.makeMessageRequest(config.method(), v)
344
345 if err != nil {
346 return Message{}, err
347 }
348
349 return message, nil
350}
351
352// GetUserProfilePhotos gets a user's profile photos.
353//
354// It requires UserID.
355// Offset and Limit are optional.
356func (bot *BotAPI) GetUserProfilePhotos(config UserProfilePhotosConfig) (UserProfilePhotos, error) {
357 v := url.Values{}
358 v.Add("user_id", strconv.Itoa(config.UserID))
359 if config.Offset != 0 {
360 v.Add("offset", strconv.Itoa(config.Offset))
361 }
362 if config.Limit != 0 {
363 v.Add("limit", strconv.Itoa(config.Limit))
364 }
365
366 resp, err := bot.MakeRequest("getUserProfilePhotos", v)
367 if err != nil {
368 return UserProfilePhotos{}, err
369 }
370
371 var profilePhotos UserProfilePhotos
372 json.Unmarshal(resp.Result, &profilePhotos)
373
374 bot.debugLog("GetUserProfilePhoto", v, profilePhotos)
375
376 return profilePhotos, nil
377}
378
379// GetFile returns a File which can download a file from Telegram.
380//
381// Requires FileID.
382func (bot *BotAPI) GetFile(config FileConfig) (File, error) {
383 v := url.Values{}
384 v.Add("file_id", config.FileID)
385
386 resp, err := bot.MakeRequest("getFile", v)
387 if err != nil {
388 return File{}, err
389 }
390
391 var file File
392 json.Unmarshal(resp.Result, &file)
393
394 bot.debugLog("GetFile", v, file)
395
396 return file, nil
397}
398
399// GetUpdates fetches updates.
400// If a WebHook is set, this will not return any data!
401//
402// Offset, Limit, and Timeout are optional.
403// To avoid stale items, set Offset to one higher than the previous item.
404// Set Timeout to a large number to reduce requests so you can get updates
405// instantly instead of having to wait between requests.
406func (bot *BotAPI) GetUpdates(config UpdateConfig) ([]Update, error) {
407 v := url.Values{}
408 if config.Offset != 0 {
409 v.Add("offset", strconv.Itoa(config.Offset))
410 }
411 if config.Limit > 0 {
412 v.Add("limit", strconv.Itoa(config.Limit))
413 }
414 if config.Timeout > 0 {
415 v.Add("timeout", strconv.Itoa(config.Timeout))
416 }
417
418 resp, err := bot.MakeRequest("getUpdates", v)
419 if err != nil {
420 return []Update{}, err
421 }
422
423 var updates []Update
424 json.Unmarshal(resp.Result, &updates)
425
426 bot.debugLog("getUpdates", v, updates)
427
428 return updates, nil
429}
430
431// RemoveWebhook unsets the webhook.
432func (bot *BotAPI) RemoveWebhook() (APIResponse, error) {
433 return bot.MakeRequest("setWebhook", url.Values{})
434}
435
436// SetWebhook sets a webhook.
437//
438// If this is set, GetUpdates will not get any data!
439//
440// If you do not have a legitimate TLS certificate, you need to include
441// your self signed certificate with the config.
442func (bot *BotAPI) SetWebhook(config WebhookConfig) (APIResponse, error) {
443
444 if config.Certificate == nil {
445 v := url.Values{}
446 v.Add("url", config.URL.String())
447 if config.MaxConnections != 0 {
448 v.Add("max_connections", strconv.Itoa(config.MaxConnections))
449 }
450
451 return bot.MakeRequest("setWebhook", v)
452 }
453
454 params := make(map[string]string)
455 params["url"] = config.URL.String()
456 if config.MaxConnections != 0 {
457 params["max_connections"] = strconv.Itoa(config.MaxConnections)
458 }
459
460 resp, err := bot.UploadFile("setWebhook", params, "certificate", config.Certificate)
461 if err != nil {
462 return APIResponse{}, err
463 }
464
465 return resp, nil
466}
467
468// GetWebhookInfo allows you to fetch information about a webhook and if
469// one currently is set, along with pending update count and error messages.
470func (bot *BotAPI) GetWebhookInfo() (WebhookInfo, error) {
471 resp, err := bot.MakeRequest("getWebhookInfo", url.Values{})
472 if err != nil {
473 return WebhookInfo{}, err
474 }
475
476 var info WebhookInfo
477 err = json.Unmarshal(resp.Result, &info)
478
479 return info, err
480}
481
482// GetUpdatesChan starts and returns a channel for getting updates.
483func (bot *BotAPI) GetUpdatesChan(config UpdateConfig) (UpdatesChannel, error) {
484 ch := make(chan Update, bot.Buffer)
485
486 go func() {
487 for {
488 select {
489 case <-bot.shutdownChannel:
490 return
491 default:
492 }
493
494 updates, err := bot.GetUpdates(config)
495 if err != nil {
496 log.Println(err)
497 log.Println("Failed to get updates, retrying in 3 seconds...")
498 time.Sleep(time.Second * 3)
499
500 continue
501 }
502
503 for _, update := range updates {
504 ch <- update
505 }
506 }
507 }()
508
509 return ch, nil
510}
511
512// StopReceivingUpdates stops the go routine which receives updates
513func (bot *BotAPI) StopReceivingUpdates() {
514 if bot.Debug {
515 log.Println("Stopping the update receiver routine...")
516 }
517 close(bot.shutdownChannel)
518}
519
520// ListenForWebhook registers a http handler for a webhook.
521func (bot *BotAPI) ListenForWebhook(pattern string) UpdatesChannel {
522 ch := make(chan Update, bot.Buffer)
523
524 http.HandleFunc(pattern, func(w http.ResponseWriter, r *http.Request) {
525 bytes, _ := ioutil.ReadAll(r.Body)
526
527 var update Update
528 json.Unmarshal(bytes, &update)
529
530 ch <- update
531 })
532
533 return ch
534}
535
536// AnswerInlineQuery sends a response to an inline query.
537//
538// Note that you must respond to an inline query within 30 seconds.
539func (bot *BotAPI) AnswerInlineQuery(config InlineConfig) (APIResponse, error) {
540 v := url.Values{}
541
542 v.Add("inline_query_id", config.InlineQueryID)
543 v.Add("cache_time", strconv.Itoa(config.CacheTime))
544 v.Add("is_personal", strconv.FormatBool(config.IsPersonal))
545 v.Add("next_offset", config.NextOffset)
546 data, err := json.Marshal(config.Results)
547 if err != nil {
548 return APIResponse{}, err
549 }
550 v.Add("results", string(data))
551 v.Add("switch_pm_text", config.SwitchPMText)
552 v.Add("switch_pm_parameter", config.SwitchPMParameter)
553
554 bot.debugLog("answerInlineQuery", v, nil)
555
556 return bot.MakeRequest("answerInlineQuery", v)
557}
558
559// AnswerCallbackQuery sends a response to an inline query callback.
560func (bot *BotAPI) AnswerCallbackQuery(config CallbackConfig) (APIResponse, error) {
561 v := url.Values{}
562
563 v.Add("callback_query_id", config.CallbackQueryID)
564 if config.Text != "" {
565 v.Add("text", config.Text)
566 }
567 v.Add("show_alert", strconv.FormatBool(config.ShowAlert))
568 if config.URL != "" {
569 v.Add("url", config.URL)
570 }
571 v.Add("cache_time", strconv.Itoa(config.CacheTime))
572
573 bot.debugLog("answerCallbackQuery", v, nil)
574
575 return bot.MakeRequest("answerCallbackQuery", v)
576}
577
578// KickChatMember kicks a user from a chat. Note that this only will work
579// in supergroups, and requires the bot to be an admin. Also note they
580// will be unable to rejoin until they are unbanned.
581func (bot *BotAPI) KickChatMember(config KickChatMemberConfig) (APIResponse, error) {
582 v := url.Values{}
583
584 if config.SuperGroupUsername == "" {
585 v.Add("chat_id", strconv.FormatInt(config.ChatID, 10))
586 } else {
587 v.Add("chat_id", config.SuperGroupUsername)
588 }
589 v.Add("user_id", strconv.Itoa(config.UserID))
590
591 if config.UntilDate != 0 {
592 v.Add("until_date", strconv.FormatInt(config.UntilDate, 10))
593 }
594
595 bot.debugLog("kickChatMember", v, nil)
596
597 return bot.MakeRequest("kickChatMember", v)
598}
599
600// LeaveChat makes the bot leave the chat.
601func (bot *BotAPI) LeaveChat(config ChatConfig) (APIResponse, error) {
602 v := url.Values{}
603
604 if config.SuperGroupUsername == "" {
605 v.Add("chat_id", strconv.FormatInt(config.ChatID, 10))
606 } else {
607 v.Add("chat_id", config.SuperGroupUsername)
608 }
609
610 bot.debugLog("leaveChat", v, nil)
611
612 return bot.MakeRequest("leaveChat", v)
613}
614
615// GetChat gets information about a chat.
616func (bot *BotAPI) GetChat(config ChatConfig) (Chat, error) {
617 v := url.Values{}
618
619 if config.SuperGroupUsername == "" {
620 v.Add("chat_id", strconv.FormatInt(config.ChatID, 10))
621 } else {
622 v.Add("chat_id", config.SuperGroupUsername)
623 }
624
625 resp, err := bot.MakeRequest("getChat", v)
626 if err != nil {
627 return Chat{}, err
628 }
629
630 var chat Chat
631 err = json.Unmarshal(resp.Result, &chat)
632
633 bot.debugLog("getChat", v, chat)
634
635 return chat, err
636}
637
638// GetChatAdministrators gets a list of administrators in the chat.
639//
640// If none have been appointed, only the creator will be returned.
641// Bots are not shown, even if they are an administrator.
642func (bot *BotAPI) GetChatAdministrators(config ChatConfig) ([]ChatMember, error) {
643 v := url.Values{}
644
645 if config.SuperGroupUsername == "" {
646 v.Add("chat_id", strconv.FormatInt(config.ChatID, 10))
647 } else {
648 v.Add("chat_id", config.SuperGroupUsername)
649 }
650
651 resp, err := bot.MakeRequest("getChatAdministrators", v)
652 if err != nil {
653 return []ChatMember{}, err
654 }
655
656 var members []ChatMember
657 err = json.Unmarshal(resp.Result, &members)
658
659 bot.debugLog("getChatAdministrators", v, members)
660
661 return members, err
662}
663
664// GetChatMembersCount gets the number of users in a chat.
665func (bot *BotAPI) GetChatMembersCount(config ChatConfig) (int, error) {
666 v := url.Values{}
667
668 if config.SuperGroupUsername == "" {
669 v.Add("chat_id", strconv.FormatInt(config.ChatID, 10))
670 } else {
671 v.Add("chat_id", config.SuperGroupUsername)
672 }
673
674 resp, err := bot.MakeRequest("getChatMembersCount", v)
675 if err != nil {
676 return -1, err
677 }
678
679 var count int
680 err = json.Unmarshal(resp.Result, &count)
681
682 bot.debugLog("getChatMembersCount", v, count)
683
684 return count, err
685}
686
687// GetChatMember gets a specific chat member.
688func (bot *BotAPI) GetChatMember(config ChatConfigWithUser) (ChatMember, error) {
689 v := url.Values{}
690
691 if config.SuperGroupUsername == "" {
692 v.Add("chat_id", strconv.FormatInt(config.ChatID, 10))
693 } else {
694 v.Add("chat_id", config.SuperGroupUsername)
695 }
696 v.Add("user_id", strconv.Itoa(config.UserID))
697
698 resp, err := bot.MakeRequest("getChatMember", v)
699 if err != nil {
700 return ChatMember{}, err
701 }
702
703 var member ChatMember
704 err = json.Unmarshal(resp.Result, &member)
705
706 bot.debugLog("getChatMember", v, member)
707
708 return member, err
709}
710
711// UnbanChatMember unbans a user from a chat. Note that this only will work
712// in supergroups and channels, and requires the bot to be an admin.
713func (bot *BotAPI) UnbanChatMember(config ChatMemberConfig) (APIResponse, error) {
714 v := url.Values{}
715
716 if config.SuperGroupUsername != "" {
717 v.Add("chat_id", config.SuperGroupUsername)
718 } else if config.ChannelUsername != "" {
719 v.Add("chat_id", config.ChannelUsername)
720 } else {
721 v.Add("chat_id", strconv.FormatInt(config.ChatID, 10))
722 }
723 v.Add("user_id", strconv.Itoa(config.UserID))
724
725 bot.debugLog("unbanChatMember", v, nil)
726
727 return bot.MakeRequest("unbanChatMember", v)
728}
729
730// RestrictChatMember to restrict a user in a supergroup. The bot must be an
731//administrator in the supergroup for this to work and must have the
732//appropriate admin rights. Pass True for all boolean parameters to lift
733//restrictions from a user. Returns True on success.
734func (bot *BotAPI) RestrictChatMember(config RestrictChatMemberConfig) (APIResponse, error) {
735 v := url.Values{}
736
737 if config.SuperGroupUsername != "" {
738 v.Add("chat_id", config.SuperGroupUsername)
739 } else if config.ChannelUsername != "" {
740 v.Add("chat_id", config.ChannelUsername)
741 } else {
742 v.Add("chat_id", strconv.FormatInt(config.ChatID, 10))
743 }
744 v.Add("user_id", strconv.Itoa(config.UserID))
745
746 if config.CanSendMessages != nil {
747 v.Add("can_send_messages", strconv.FormatBool(*config.CanSendMessages))
748 }
749 if config.CanSendMediaMessages != nil {
750 v.Add("can_send_media_messages", strconv.FormatBool(*config.CanSendMediaMessages))
751 }
752 if config.CanSendOtherMessages != nil {
753 v.Add("can_send_other_messages", strconv.FormatBool(*config.CanSendOtherMessages))
754 }
755 if config.CanAddWebPagePreviews != nil {
756 v.Add("can_add_web_page_previews", strconv.FormatBool(*config.CanAddWebPagePreviews))
757 }
758 if config.UntilDate != 0 {
759 v.Add("until_date", strconv.FormatInt(config.UntilDate, 10))
760 }
761
762 bot.debugLog("restrictChatMember", v, nil)
763
764 return bot.MakeRequest("restrictChatMember", v)
765}
766
767// PromoteChatMember add admin rights to user
768func (bot *BotAPI) PromoteChatMember(config PromoteChatMemberConfig) (APIResponse, error) {
769 v := url.Values{}
770
771 if config.SuperGroupUsername != "" {
772 v.Add("chat_id", config.SuperGroupUsername)
773 } else if config.ChannelUsername != "" {
774 v.Add("chat_id", config.ChannelUsername)
775 } else {
776 v.Add("chat_id", strconv.FormatInt(config.ChatID, 10))
777 }
778 v.Add("user_id", strconv.Itoa(config.UserID))
779
780 if config.CanChangeInfo != nil {
781 v.Add("can_change_info", strconv.FormatBool(*config.CanChangeInfo))
782 }
783 if config.CanPostMessages != nil {
784 v.Add("can_post_messages", strconv.FormatBool(*config.CanPostMessages))
785 }
786 if config.CanEditMessages != nil {
787 v.Add("can_edit_messages", strconv.FormatBool(*config.CanEditMessages))
788 }
789 if config.CanDeleteMessages != nil {
790 v.Add("can_delete_messages", strconv.FormatBool(*config.CanDeleteMessages))
791 }
792 if config.CanInviteUsers != nil {
793 v.Add("can_invite_users", strconv.FormatBool(*config.CanInviteUsers))
794 }
795 if config.CanRestrictMembers != nil {
796 v.Add("can_restrict_members", strconv.FormatBool(*config.CanRestrictMembers))
797 }
798 if config.CanPinMessages != nil {
799 v.Add("can_pin_messages", strconv.FormatBool(*config.CanPinMessages))
800 }
801 if config.CanPromoteMembers != nil {
802 v.Add("can_promote_members", strconv.FormatBool(*config.CanPromoteMembers))
803 }
804
805 bot.debugLog("promoteChatMember", v, nil)
806
807 return bot.MakeRequest("promoteChatMember", v)
808}
809
810// GetGameHighScores allows you to get the high scores for a game.
811func (bot *BotAPI) GetGameHighScores(config GetGameHighScoresConfig) ([]GameHighScore, error) {
812 v, _ := config.values()
813
814 resp, err := bot.MakeRequest(config.method(), v)
815 if err != nil {
816 return []GameHighScore{}, err
817 }
818
819 var highScores []GameHighScore
820 err = json.Unmarshal(resp.Result, &highScores)
821
822 return highScores, err
823}
824
825// AnswerShippingQuery allows you to reply to Update with shipping_query parameter.
826func (bot *BotAPI) AnswerShippingQuery(config ShippingConfig) (APIResponse, error) {
827 v := url.Values{}
828
829 v.Add("shipping_query_id", config.ShippingQueryID)
830 v.Add("ok", strconv.FormatBool(config.OK))
831 if config.OK == true {
832 data, err := json.Marshal(config.ShippingOptions)
833 if err != nil {
834 return APIResponse{}, err
835 }
836 v.Add("shipping_options", string(data))
837 } else {
838 v.Add("error_message", config.ErrorMessage)
839 }
840
841 bot.debugLog("answerShippingQuery", v, nil)
842
843 return bot.MakeRequest("answerShippingQuery", v)
844}
845
846// AnswerPreCheckoutQuery allows you to reply to Update with pre_checkout_query.
847func (bot *BotAPI) AnswerPreCheckoutQuery(config PreCheckoutConfig) (APIResponse, error) {
848 v := url.Values{}
849
850 v.Add("pre_checkout_query_id", config.PreCheckoutQueryID)
851 v.Add("ok", strconv.FormatBool(config.OK))
852 if config.OK != true {
853 v.Add("error", config.ErrorMessage)
854 }
855
856 bot.debugLog("answerPreCheckoutQuery", v, nil)
857
858 return bot.MakeRequest("answerPreCheckoutQuery", v)
859}
860
861// DeleteMessage deletes a message in a chat
862func (bot *BotAPI) DeleteMessage(config DeleteMessageConfig) (APIResponse, error) {
863 v, err := config.values()
864 if err != nil {
865 return APIResponse{}, err
866 }
867
868 bot.debugLog(config.method(), v, nil)
869
870 return bot.MakeRequest(config.method(), v)
871}
872
873// GetInviteLink get InviteLink for a chat
874func (bot *BotAPI) GetInviteLink(config ChatConfig) (string, error) {
875 v := url.Values{}
876
877 if config.SuperGroupUsername == "" {
878 v.Add("chat_id", strconv.FormatInt(config.ChatID, 10))
879 } else {
880 v.Add("chat_id", config.SuperGroupUsername)
881 }
882
883 resp, err := bot.MakeRequest("exportChatInviteLink", v)
884 if err != nil {
885 return "", err
886 }
887
888 var inviteLink string
889 err = json.Unmarshal(resp.Result, &inviteLink)
890
891 return inviteLink, err
892}
893
894// PinChatMessage pin message in supergroup
895func (bot *BotAPI) PinChatMessage(config PinChatMessageConfig) (APIResponse, error) {
896 v, err := config.values()
897 if err != nil {
898 return APIResponse{}, err
899 }
900
901 bot.debugLog(config.method(), v, nil)
902
903 return bot.MakeRequest(config.method(), v)
904}
905
906// UnpinChatMessage unpin message in supergroup
907func (bot *BotAPI) UnpinChatMessage(config UnpinChatMessageConfig) (APIResponse, error) {
908 v, err := config.values()
909 if err != nil {
910 return APIResponse{}, err
911 }
912
913 bot.debugLog(config.method(), v, nil)
914
915 return bot.MakeRequest(config.method(), v)
916}
917
918// SetChatTitle change title of chat.
919func (bot *BotAPI) SetChatTitle(config SetChatTitleConfig) (APIResponse, error) {
920 v, err := config.values()
921 if err != nil {
922 return APIResponse{}, err
923 }
924
925 bot.debugLog(config.method(), v, nil)
926
927 return bot.MakeRequest(config.method(), v)
928}
929
930// SetChatDescription change description of chat.
931func (bot *BotAPI) SetChatDescription(config SetChatDescriptionConfig) (APIResponse, error) {
932 v, err := config.values()
933 if err != nil {
934 return APIResponse{}, err
935 }
936
937 bot.debugLog(config.method(), v, nil)
938
939 return bot.MakeRequest(config.method(), v)
940}
941
942// SetChatPhoto change photo of chat.
943func (bot *BotAPI) SetChatPhoto(config SetChatPhotoConfig) (APIResponse, error) {
944 params, err := config.params()
945 if err != nil {
946 return APIResponse{}, err
947 }
948
949 file := config.getFile()
950
951 return bot.UploadFile(config.method(), params, config.name(), file)
952}
953
954// DeleteChatPhoto delete photo of chat.
955func (bot *BotAPI) DeleteChatPhoto(config DeleteChatPhotoConfig) (APIResponse, error) {
956 v, err := config.values()
957 if err != nil {
958 return APIResponse{}, err
959 }
960
961 bot.debugLog(config.method(), v, nil)
962
963 return bot.MakeRequest(config.method(), v)
964}