all repos — telegram-bot-api @ 80e30d7c192be106dd6c5c3777fdf3705f3a3b4a

Golang bindings for the Telegram Bot API

configs.go (view raw)

  1package tgbotapi
  2
  3import (
  4	"encoding/json"
  5	"io"
  6	"net/url"
  7	"strconv"
  8)
  9
 10// Telegram constants
 11const (
 12	// APIEndpoint is the endpoint for all API methods,
 13	// with formatting for Sprintf.
 14	APIEndpoint = "https://api.telegram.org/bot%s/%s"
 15	// FileEndpoint is the endpoint for downloading a file from Telegram.
 16	FileEndpoint = "https://api.telegram.org/file/bot%s/%s"
 17)
 18
 19// Constant values for ChatActions
 20const (
 21	ChatTyping         = "typing"
 22	ChatUploadPhoto    = "upload_photo"
 23	ChatRecordVideo    = "record_video"
 24	ChatUploadVideo    = "upload_video"
 25	ChatRecordAudio    = "record_audio"
 26	ChatUploadAudio    = "upload_audio"
 27	ChatUploadDocument = "upload_document"
 28	ChatFindLocation   = "find_location"
 29)
 30
 31// API errors
 32const (
 33	// ErrAPIForbidden happens when a token is bad
 34	ErrAPIForbidden = "forbidden"
 35)
 36
 37// Constant values for ParseMode in MessageConfig
 38const (
 39	ModeMarkdown = "Markdown"
 40)
 41
 42// Library errors
 43const (
 44	// ErrBadFileType happens when you pass an unknown type
 45	ErrBadFileType = "bad file type"
 46)
 47
 48// Chattable is any config type that can be sent.
 49type Chattable interface {
 50	values() (url.Values, error)
 51	method() string
 52}
 53
 54// Fileable is any config type that can be sent that includes a file.
 55type Fileable interface {
 56	Chattable
 57	params() (map[string]string, error)
 58	name() string
 59	getFile() interface{}
 60	useExistingFile() bool
 61}
 62
 63// BaseChat is base type for all chat config types.
 64type BaseChat struct {
 65	ChatID           int // required
 66	ChannelUsername  string
 67	ReplyToMessageID int
 68	ReplyMarkup      interface{}
 69}
 70
 71// values returns url.Values representation of BaseChat
 72func (chat *BaseChat) values() (url.Values, error) {
 73	v := url.Values{}
 74	if chat.ChannelUsername != "" {
 75		v.Add("chat_id", chat.ChannelUsername)
 76	} else {
 77		v.Add("chat_id", strconv.Itoa(chat.ChatID))
 78	}
 79
 80	if chat.ReplyToMessageID != 0 {
 81		v.Add("reply_to_message_id", strconv.Itoa(chat.ReplyToMessageID))
 82	}
 83
 84	if chat.ReplyMarkup != nil {
 85		data, err := json.Marshal(chat.ReplyMarkup)
 86		if err != nil {
 87			return v, err
 88		}
 89
 90		v.Add("reply_markup", string(data))
 91	}
 92
 93	return v, nil
 94}
 95
 96// BaseFile is a base type for all file config types.
 97type BaseFile struct {
 98	BaseChat
 99	File        interface{}
100	FileID      string
101	UseExisting bool
102	MimeType    string
103	FileSize    int
104}
105
106// params returns a map[string]string representation of BaseFile.
107func (file BaseFile) params() (map[string]string, error) {
108	params := make(map[string]string)
109
110	if file.ChannelUsername != "" {
111		params["chat_id"] = file.ChannelUsername
112	} else {
113		params["chat_id"] = strconv.Itoa(file.ChatID)
114	}
115
116	if file.ReplyToMessageID != 0 {
117		params["reply_to_message_id"] = strconv.Itoa(file.ReplyToMessageID)
118	}
119
120	if file.ReplyMarkup != nil {
121		data, err := json.Marshal(file.ReplyMarkup)
122		if err != nil {
123			return params, err
124		}
125
126		params["reply_markup"] = string(data)
127	}
128
129	if file.MimeType != "" {
130		params["mime_type"] = file.MimeType
131	}
132
133	if file.FileSize > 0 {
134		params["file_size"] = strconv.Itoa(file.FileSize)
135	}
136
137	return params, nil
138}
139
140// getFile returns the file.
141func (file BaseFile) getFile() interface{} {
142	return file.File
143}
144
145// useExistingFile returns if the BaseFile has already been uploaded.
146func (file BaseFile) useExistingFile() bool {
147	return file.UseExisting
148}
149
150// MessageConfig contains information about a SendMessage request.
151type MessageConfig struct {
152	BaseChat
153	Text                  string
154	ParseMode             string
155	DisableWebPagePreview bool
156}
157
158// values returns a url.Values representation of MessageConfig.
159func (config MessageConfig) values() (url.Values, error) {
160	v, _ := config.BaseChat.values()
161	v.Add("text", config.Text)
162	v.Add("disable_web_page_preview", strconv.FormatBool(config.DisableWebPagePreview))
163	if config.ParseMode != "" {
164		v.Add("parse_mode", config.ParseMode)
165	}
166
167	return v, nil
168}
169
170// method returns Telegram API method name for sending Message.
171func (config MessageConfig) method() string {
172	return "sendMessage"
173}
174
175// ForwardConfig contains information about a ForwardMessage request.
176type ForwardConfig struct {
177	BaseChat
178	FromChatID          int // required
179	FromChannelUsername string
180	MessageID           int // required
181}
182
183// values returns a url.Values representation of ForwardConfig.
184func (config ForwardConfig) values() (url.Values, error) {
185	v, _ := config.BaseChat.values()
186	v.Add("from_chat_id", strconv.Itoa(config.FromChatID))
187	v.Add("message_id", strconv.Itoa(config.MessageID))
188	return v, nil
189}
190
191// method returns Telegram API method name for sending Forward.
192func (config ForwardConfig) method() string {
193	return "forwardMessage"
194}
195
196// PhotoConfig contains information about a SendPhoto request.
197type PhotoConfig struct {
198	BaseFile
199	Caption string
200}
201
202// Params returns a map[string]string representation of PhotoConfig.
203func (config PhotoConfig) params() (map[string]string, error) {
204	params, _ := config.BaseFile.params()
205
206	if config.Caption != "" {
207		params["caption"] = config.Caption
208	}
209
210	return params, nil
211}
212
213// Values returns a url.Values representation of PhotoConfig.
214func (config PhotoConfig) values() (url.Values, error) {
215	v, _ := config.BaseChat.values()
216
217	v.Add(config.name(), config.FileID)
218	if config.Caption != "" {
219		v.Add("caption", config.Caption)
220	}
221	return v, nil
222}
223
224// name returns the field name for the Photo.
225func (config PhotoConfig) name() string {
226	return "photo"
227}
228
229// method returns Telegram API method name for sending Photo.
230func (config PhotoConfig) method() string {
231	return "sendPhoto"
232}
233
234// AudioConfig contains information about a SendAudio request.
235type AudioConfig struct {
236	BaseFile
237	Duration  int
238	Performer string
239	Title     string
240}
241
242// values returns a url.Values representation of AudioConfig.
243func (config AudioConfig) values() (url.Values, error) {
244	v, _ := config.BaseChat.values()
245
246	v.Add(config.name(), config.FileID)
247	if config.Duration != 0 {
248		v.Add("duration", strconv.Itoa(config.Duration))
249	}
250
251	if config.Performer != "" {
252		v.Add("performer", config.Performer)
253	}
254	if config.Title != "" {
255		v.Add("title", config.Title)
256	}
257
258	return v, nil
259}
260
261// params returns a map[string]string representation of AudioConfig.
262func (config AudioConfig) params() (map[string]string, error) {
263	params, _ := config.BaseFile.params()
264
265	if config.Duration != 0 {
266		params["duration"] = strconv.Itoa(config.Duration)
267	}
268
269	if config.Performer != "" {
270		params["performer"] = config.Performer
271	}
272	if config.Title != "" {
273		params["title"] = config.Title
274	}
275
276	return params, nil
277}
278
279// name returns the field name for the Audio.
280func (config AudioConfig) name() string {
281	return "audio"
282}
283
284// method returns Telegram API method name for sending Audio.
285func (config AudioConfig) method() string {
286	return "sendAudio"
287}
288
289// DocumentConfig contains information about a SendDocument request.
290type DocumentConfig struct {
291	BaseFile
292}
293
294// values returns a url.Values representation of DocumentConfig.
295func (config DocumentConfig) values() (url.Values, error) {
296	v, _ := config.BaseChat.values()
297
298	v.Add(config.name(), config.FileID)
299
300	return v, nil
301}
302
303// params returns a map[string]string representation of DocumentConfig.
304func (config DocumentConfig) params() (map[string]string, error) {
305	params, _ := config.BaseFile.params()
306
307	return params, nil
308}
309
310// name returns the field name for the Document.
311func (config DocumentConfig) name() string {
312	return "document"
313}
314
315// method returns Telegram API method name for sending Document.
316func (config DocumentConfig) method() string {
317	return "sendDocument"
318}
319
320// StickerConfig contains information about a SendSticker request.
321type StickerConfig struct {
322	BaseFile
323}
324
325// values returns a url.Values representation of StickerConfig.
326func (config StickerConfig) values() (url.Values, error) {
327	v, _ := config.BaseChat.values()
328
329	v.Add(config.name(), config.FileID)
330
331	return v, nil
332}
333
334// params returns a map[string]string representation of StickerConfig.
335func (config StickerConfig) params() (map[string]string, error) {
336	params, _ := config.BaseFile.params()
337
338	return params, nil
339}
340
341// name returns the field name for the Sticker.
342func (config StickerConfig) name() string {
343	return "sticker"
344}
345
346// method returns Telegram API method name for sending Sticker.
347func (config StickerConfig) method() string {
348	return "sendSticker"
349}
350
351// VideoConfig contains information about a SendVideo request.
352type VideoConfig struct {
353	BaseFile
354	Duration int
355	Caption  string
356}
357
358// values returns a url.Values representation of VideoConfig.
359func (config VideoConfig) values() (url.Values, error) {
360	v, _ := config.BaseChat.values()
361
362	v.Add(config.name(), config.FileID)
363	if config.Duration != 0 {
364		v.Add("duration", strconv.Itoa(config.Duration))
365	}
366	if config.Caption != "" {
367		v.Add("caption", config.Caption)
368	}
369
370	return v, nil
371}
372
373// params returns a map[string]string representation of VideoConfig.
374func (config VideoConfig) params() (map[string]string, error) {
375	params, _ := config.BaseFile.params()
376
377	return params, nil
378}
379
380// name returns the field name for the Video.
381func (config VideoConfig) name() string {
382	return "video"
383}
384
385// method returns Telegram API method name for sending Video.
386func (config VideoConfig) method() string {
387	return "sendVideo"
388}
389
390// VoiceConfig contains information about a SendVoice request.
391type VoiceConfig struct {
392	BaseFile
393	Duration int
394}
395
396// values returns a url.Values representation of VoiceConfig.
397func (config VoiceConfig) values() (url.Values, error) {
398	v, _ := config.BaseChat.values()
399
400	v.Add(config.name(), config.FileID)
401	if config.Duration != 0 {
402		v.Add("duration", strconv.Itoa(config.Duration))
403	}
404
405	return v, nil
406}
407
408// params returns a map[string]string representation of VoiceConfig.
409func (config VoiceConfig) params() (map[string]string, error) {
410	params, _ := config.BaseFile.params()
411
412	if config.Duration != 0 {
413		params["duration"] = strconv.Itoa(config.Duration)
414	}
415
416	return params, nil
417}
418
419// name returns the field name for the Voice.
420func (config VoiceConfig) name() string {
421	return "voice"
422}
423
424// method returns Telegram API method name for sending Voice.
425func (config VoiceConfig) method() string {
426	return "sendVoice"
427}
428
429// LocationConfig contains information about a SendLocation request.
430type LocationConfig struct {
431	BaseChat
432	Latitude  float64 // required
433	Longitude float64 // required
434}
435
436// values returns a url.Values representation of LocationConfig.
437func (config LocationConfig) values() (url.Values, error) {
438	v, _ := config.BaseChat.values()
439
440	v.Add("latitude", strconv.FormatFloat(config.Latitude, 'f', 6, 64))
441	v.Add("longitude", strconv.FormatFloat(config.Longitude, 'f', 6, 64))
442
443	return v, nil
444}
445
446// method returns Telegram API method name for sending Location.
447func (config LocationConfig) method() string {
448	return "sendLocation"
449}
450
451// ChatActionConfig contains information about a SendChatAction request.
452type ChatActionConfig struct {
453	BaseChat
454	Action string // required
455}
456
457// values returns a url.Values representation of ChatActionConfig.
458func (config ChatActionConfig) values() (url.Values, error) {
459	v, _ := config.BaseChat.values()
460	v.Add("action", config.Action)
461	return v, nil
462}
463
464// method returns Telegram API method name for sending ChatAction.
465func (config ChatActionConfig) method() string {
466	return "sendChatAction"
467}
468
469// UserProfilePhotosConfig contains information about a
470// GetUserProfilePhotos request.
471type UserProfilePhotosConfig struct {
472	UserID int
473	Offset int
474	Limit  int
475}
476
477// FileConfig has information about a file hosted on Telegram.
478type FileConfig struct {
479	FileID string
480}
481
482// UpdateConfig contains information about a GetUpdates request.
483type UpdateConfig struct {
484	Offset  int
485	Limit   int
486	Timeout int
487}
488
489// WebhookConfig contains information about a SetWebhook request.
490type WebhookConfig struct {
491	URL         *url.URL
492	Certificate interface{}
493}
494
495// FileBytes contains information about a set of bytes to upload
496// as a File.
497type FileBytes struct {
498	Name  string
499	Bytes []byte
500}
501
502// FileReader contains information about a reader to upload as a File.
503// If Size is -1, it will read the entire Reader into memory to
504// calculate a Size.
505type FileReader struct {
506	Name   string
507	Reader io.Reader
508	Size   int64
509}
510
511// InlineConfig contains information on making an InlineQuery response.
512type InlineConfig struct {
513	InlineQueryID string              `json:"inline_query_id"`
514	Results       []InlineQueryResult `json:"results"`
515	CacheTime     int                 `json:"cache_time"`
516	IsPersonal    bool                `json:"is_personal"`
517	NextOffset    string              `json:"next_offset"`
518}