all repos — telegram-bot-api @ 696aebd64c3d29da9d41a6a0ee24c1f32e278041

Golang bindings for the Telegram Bot API

configs.go (view raw)

   1package tgbotapi
   2
   3import (
   4	"io"
   5	"net/url"
   6)
   7
   8// Telegram constants
   9const (
  10	// APIEndpoint is the endpoint for all API methods,
  11	// with formatting for Sprintf.
  12	APIEndpoint = "https://api.telegram.org/bot%s/%s"
  13	// FileEndpoint is the endpoint for downloading a file from Telegram.
  14	FileEndpoint = "https://api.telegram.org/file/bot%s/%s"
  15)
  16
  17// Constant values for ChatActions
  18const (
  19	ChatTyping         = "typing"
  20	ChatUploadPhoto    = "upload_photo"
  21	ChatRecordVideo    = "record_video"
  22	ChatUploadVideo    = "upload_video"
  23	ChatRecordAudio    = "record_audio"
  24	ChatUploadAudio    = "upload_audio"
  25	ChatUploadDocument = "upload_document"
  26	ChatFindLocation   = "find_location"
  27)
  28
  29// API errors
  30const (
  31	// ErrAPIForbidden happens when a token is bad
  32	ErrAPIForbidden = "forbidden"
  33)
  34
  35// Constant values for ParseMode in MessageConfig
  36const (
  37	ModeMarkdown = "Markdown"
  38	ModeHTML     = "HTML"
  39)
  40
  41// Library errors
  42const (
  43	// ErrBadFileType happens when you pass an unknown type
  44	ErrBadFileType = "bad file type"
  45	ErrBadURL      = "bad or empty url"
  46)
  47
  48// Chattable is any config type that can be sent.
  49type Chattable interface {
  50	params() (Params, 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	name() string
  58	getFile() interface{}
  59	useExistingFile() bool
  60}
  61
  62// BaseChat is base type for all chat config types.
  63type BaseChat struct {
  64	ChatID              int64 // required
  65	ChannelUsername     string
  66	ReplyToMessageID    int
  67	ReplyMarkup         interface{}
  68	DisableNotification bool
  69}
  70
  71func (chat *BaseChat) params() (Params, error) {
  72	params := make(Params)
  73
  74	params.AddFirstValid("chat_id", chat.ChatID, chat.ChannelUsername)
  75	params.AddNonZero("reply_to_message_id", chat.ReplyToMessageID)
  76	params.AddBool("disable_notification", chat.DisableNotification)
  77
  78	err := params.AddInterface("reply_markup", chat.ReplyMarkup)
  79
  80	return params, err
  81}
  82
  83// BaseFile is a base type for all file config types.
  84type BaseFile struct {
  85	BaseChat
  86	File        interface{}
  87	FileID      string
  88	UseExisting bool
  89	MimeType    string
  90	FileSize    int
  91}
  92
  93func (file BaseFile) params() (Params, error) {
  94	params, err := file.BaseChat.params()
  95
  96	params.AddNonEmpty("mime_type", file.MimeType)
  97	params.AddNonZero("file_size", file.FileSize)
  98
  99	return params, err
 100}
 101
 102func (file BaseFile) getFile() interface{} {
 103	return file.File
 104}
 105
 106func (file BaseFile) useExistingFile() bool {
 107	return file.UseExisting
 108}
 109
 110// BaseEdit is base type of all chat edits.
 111type BaseEdit struct {
 112	ChatID          int64
 113	ChannelUsername string
 114	MessageID       int
 115	InlineMessageID string
 116	ReplyMarkup     *InlineKeyboardMarkup
 117}
 118
 119func (edit BaseEdit) params() (Params, error) {
 120	params := make(Params)
 121
 122	if edit.InlineMessageID != "" {
 123		params["inline_message_id"] = edit.InlineMessageID
 124	} else {
 125		params.AddFirstValid("chat_id", edit.ChatID, edit.ChannelUsername)
 126		params.AddNonZero("message_id", edit.MessageID)
 127	}
 128
 129	err := params.AddInterface("reply_markup", edit.ReplyMarkup)
 130
 131	return params, err
 132}
 133
 134// MessageConfig contains information about a SendMessage request.
 135type MessageConfig struct {
 136	BaseChat
 137	Text                  string
 138	ParseMode             string
 139	DisableWebPagePreview bool
 140}
 141
 142func (config MessageConfig) params() (Params, error) {
 143	params, err := config.BaseChat.params()
 144	if err != nil {
 145		return params, err
 146	}
 147
 148	params.AddNonEmpty("text", config.Text)
 149	params.AddBool("disable_web_page_preview", config.DisableWebPagePreview)
 150	params.AddNonEmpty("parse_mode", config.ParseMode)
 151
 152	return params, nil
 153}
 154
 155func (config MessageConfig) method() string {
 156	return "sendMessage"
 157}
 158
 159// ForwardConfig contains information about a ForwardMessage request.
 160type ForwardConfig struct {
 161	BaseChat
 162	FromChatID          int64 // required
 163	FromChannelUsername string
 164	MessageID           int // required
 165}
 166
 167func (config ForwardConfig) params() (Params, error) {
 168	params, err := config.BaseChat.params()
 169	if err != nil {
 170		return params, err
 171	}
 172
 173	params.AddNonZero64("from_chat_id", config.FromChatID)
 174	params.AddNonZero("message_id", config.MessageID)
 175
 176	return params, nil
 177}
 178
 179func (config ForwardConfig) method() string {
 180	return "forwardMessage"
 181}
 182
 183// PhotoConfig contains information about a SendPhoto request.
 184type PhotoConfig struct {
 185	BaseFile
 186	Caption   string
 187	ParseMode string
 188}
 189
 190func (config PhotoConfig) params() (Params, error) {
 191	params, err := config.BaseFile.params()
 192
 193	params.AddNonEmpty(config.name(), config.FileID)
 194	params.AddNonEmpty("caption", config.Caption)
 195	params.AddNonEmpty("parse_mode", config.ParseMode)
 196
 197	return params, err
 198}
 199
 200func (config PhotoConfig) name() string {
 201	return "photo"
 202}
 203
 204func (config PhotoConfig) method() string {
 205	return "sendPhoto"
 206}
 207
 208// AudioConfig contains information about a SendAudio request.
 209type AudioConfig struct {
 210	BaseFile
 211	Caption   string
 212	ParseMode string
 213	Duration  int
 214	Performer string
 215	Title     string
 216}
 217
 218func (config AudioConfig) params() (Params, error) {
 219	params, err := config.BaseChat.params()
 220	if err != nil {
 221		return params, err
 222	}
 223
 224	params.AddNonEmpty(config.name(), config.FileID)
 225	params.AddNonZero("duration", config.Duration)
 226	params.AddNonEmpty("performer", config.Performer)
 227	params.AddNonEmpty("title", config.Title)
 228	params.AddNonEmpty("caption", config.Caption)
 229	params.AddNonEmpty("parse_mode", config.ParseMode)
 230
 231	return params, nil
 232}
 233
 234func (config AudioConfig) name() string {
 235	return "audio"
 236}
 237
 238func (config AudioConfig) method() string {
 239	return "sendAudio"
 240}
 241
 242// DocumentConfig contains information about a SendDocument request.
 243type DocumentConfig struct {
 244	BaseFile
 245	Caption   string
 246	ParseMode string
 247}
 248
 249func (config DocumentConfig) params() (Params, error) {
 250	params, err := config.BaseFile.params()
 251
 252	params.AddNonEmpty(config.name(), config.FileID)
 253	params.AddNonEmpty("caption", config.Caption)
 254	params.AddNonEmpty("parse_mode", config.ParseMode)
 255
 256	return params, err
 257}
 258
 259func (config DocumentConfig) name() string {
 260	return "document"
 261}
 262
 263func (config DocumentConfig) method() string {
 264	return "sendDocument"
 265}
 266
 267// StickerConfig contains information about a SendSticker request.
 268type StickerConfig struct {
 269	BaseFile
 270}
 271
 272func (config StickerConfig) params() (Params, error) {
 273	params, err := config.BaseChat.params()
 274
 275	params.AddNonEmpty(config.name(), config.FileID)
 276
 277	return params, err
 278}
 279
 280func (config StickerConfig) name() string {
 281	return "sticker"
 282}
 283
 284func (config StickerConfig) method() string {
 285	return "sendSticker"
 286}
 287
 288// VideoConfig contains information about a SendVideo request.
 289type VideoConfig struct {
 290	BaseFile
 291	Duration          int
 292	Caption           string
 293	ParseMode         string
 294	SupportsStreaming bool
 295}
 296
 297func (config VideoConfig) params() (Params, error) {
 298	params, err := config.BaseChat.params()
 299
 300	params.AddNonEmpty(config.name(), config.FileID)
 301	params.AddNonZero("duration", config.Duration)
 302	params.AddNonEmpty("caption", config.Caption)
 303	params.AddNonEmpty("parse_mode", config.ParseMode)
 304	params.AddBool("supports_streaming", config.SupportsStreaming)
 305
 306	return params, err
 307}
 308
 309func (config VideoConfig) name() string {
 310	return "video"
 311}
 312
 313func (config VideoConfig) method() string {
 314	return "sendVideo"
 315}
 316
 317// AnimationConfig contains information about a SendAnimation request.
 318type AnimationConfig struct {
 319	BaseFile
 320	Duration  int
 321	Caption   string
 322	ParseMode string
 323}
 324
 325func (config AnimationConfig) params() (Params, error) {
 326	params, err := config.BaseChat.params()
 327
 328	params.AddNonEmpty(config.name(), config.FileID)
 329	params.AddNonZero("duration", config.Duration)
 330	params.AddNonEmpty("caption", config.Caption)
 331	params.AddNonEmpty("parse_mode", config.ParseMode)
 332
 333	return params, err
 334}
 335
 336func (config AnimationConfig) name() string {
 337	return "animation"
 338}
 339
 340func (config AnimationConfig) method() string {
 341	return "sendAnimation"
 342}
 343
 344// VideoNoteConfig contains information about a SendVideoNote request.
 345type VideoNoteConfig struct {
 346	BaseFile
 347	Duration int
 348	Length   int
 349}
 350
 351func (config VideoNoteConfig) params() (Params, error) {
 352	params, err := config.BaseChat.params()
 353
 354	params.AddNonEmpty(config.name(), config.FileID)
 355	params.AddNonZero("duration", config.Duration)
 356	params.AddNonZero("length", config.Length)
 357
 358	return params, err
 359}
 360
 361func (config VideoNoteConfig) name() string {
 362	return "video_note"
 363}
 364
 365func (config VideoNoteConfig) method() string {
 366	return "sendVideoNote"
 367}
 368
 369// VoiceConfig contains information about a SendVoice request.
 370type VoiceConfig struct {
 371	BaseFile
 372	Caption   string
 373	ParseMode string
 374	Duration  int
 375}
 376
 377func (config VoiceConfig) params() (Params, error) {
 378	params, err := config.BaseChat.params()
 379
 380	params.AddNonEmpty(config.name(), config.FileID)
 381	params.AddNonZero("duration", config.Duration)
 382	params.AddNonEmpty("caption", config.Caption)
 383	params.AddNonEmpty("parse_mode", config.ParseMode)
 384
 385	return params, err
 386}
 387
 388func (config VoiceConfig) name() string {
 389	return "voice"
 390}
 391
 392func (config VoiceConfig) method() string {
 393	return "sendVoice"
 394}
 395
 396// LocationConfig contains information about a SendLocation request.
 397type LocationConfig struct {
 398	BaseChat
 399	Latitude   float64 // required
 400	Longitude  float64 // required
 401	LivePeriod int     // optional
 402}
 403
 404func (config LocationConfig) params() (Params, error) {
 405	params, err := config.BaseChat.params()
 406
 407	params.AddNonZeroFloat("latitude", config.Latitude)
 408	params.AddNonZeroFloat("longitude", config.Longitude)
 409	params.AddNonZero("live_period", config.LivePeriod)
 410
 411	return params, err
 412}
 413
 414func (config LocationConfig) method() string {
 415	return "sendLocation"
 416}
 417
 418// EditMessageLiveLocationConfig allows you to update a live location.
 419type EditMessageLiveLocationConfig struct {
 420	BaseEdit
 421	Latitude  float64 // required
 422	Longitude float64 // required
 423}
 424
 425func (config EditMessageLiveLocationConfig) params() (Params, error) {
 426	params, err := config.BaseEdit.params()
 427
 428	params.AddNonZeroFloat("latitude", config.Latitude)
 429	params.AddNonZeroFloat("longitude", config.Longitude)
 430
 431	return params, err
 432}
 433
 434func (config EditMessageLiveLocationConfig) method() string {
 435	return "editMessageLiveLocation"
 436}
 437
 438// StopMessageLiveLocationConfig stops updating a live location.
 439type StopMessageLiveLocationConfig struct {
 440	BaseEdit
 441}
 442
 443func (config StopMessageLiveLocationConfig) params() (Params, error) {
 444	return config.BaseEdit.params()
 445}
 446
 447func (config StopMessageLiveLocationConfig) method() string {
 448	return "stopMessageLiveLocation"
 449}
 450
 451// VenueConfig contains information about a SendVenue request.
 452type VenueConfig struct {
 453	BaseChat
 454	Latitude     float64 // required
 455	Longitude    float64 // required
 456	Title        string  // required
 457	Address      string  // required
 458	FoursquareID string
 459}
 460
 461func (config VenueConfig) params() (Params, error) {
 462	params, err := config.BaseChat.params()
 463
 464	params.AddNonZeroFloat("latitude", config.Latitude)
 465	params.AddNonZeroFloat("longitude", config.Longitude)
 466	params["title"] = config.Title
 467	params["address"] = config.Address
 468	params.AddNonEmpty("foursquare_id", config.FoursquareID)
 469
 470	return params, err
 471}
 472
 473func (config VenueConfig) method() string {
 474	return "sendVenue"
 475}
 476
 477// ContactConfig allows you to send a contact.
 478type ContactConfig struct {
 479	BaseChat
 480	PhoneNumber string
 481	FirstName   string
 482	LastName    string
 483	VCard       string
 484}
 485
 486func (config ContactConfig) params() (Params, error) {
 487	params, err := config.BaseChat.params()
 488
 489	params["phone_number"] = config.PhoneNumber
 490	params["first_name"] = config.FirstName
 491
 492	params.AddNonEmpty("last_name", config.LastName)
 493	params.AddNonEmpty("vcard", config.VCard)
 494
 495	return params, err
 496}
 497
 498func (config ContactConfig) method() string {
 499	return "sendContact"
 500}
 501
 502// SendPollConfig allows you to send a poll.
 503type SendPollConfig struct {
 504	BaseChat
 505	Question string
 506	Options  []string
 507}
 508
 509func (config SendPollConfig) params() (Params, error) {
 510	params, err := config.BaseChat.params()
 511	if err != nil {
 512		return params, err
 513	}
 514
 515	params["question"] = config.Question
 516	err = params.AddInterface("options", config.Options)
 517
 518	return params, err
 519}
 520
 521func (SendPollConfig) method() string {
 522	return "sendPoll"
 523}
 524
 525// GameConfig allows you to send a game.
 526type GameConfig struct {
 527	BaseChat
 528	GameShortName string
 529}
 530
 531func (config GameConfig) params() (Params, error) {
 532	params, err := config.BaseChat.params()
 533
 534	params["game_short_name"] = config.GameShortName
 535
 536	return params, err
 537}
 538
 539func (config GameConfig) method() string {
 540	return "sendGame"
 541}
 542
 543// SetGameScoreConfig allows you to update the game score in a chat.
 544type SetGameScoreConfig struct {
 545	UserID             int
 546	Score              int
 547	Force              bool
 548	DisableEditMessage bool
 549	ChatID             int64
 550	ChannelUsername    string
 551	MessageID          int
 552	InlineMessageID    string
 553}
 554
 555func (config SetGameScoreConfig) params() (Params, error) {
 556	params := make(Params)
 557
 558	params.AddNonZero("user_id", config.UserID)
 559	params.AddNonZero("scrore", config.Score)
 560	params.AddBool("disable_edit_message", config.DisableEditMessage)
 561
 562	if config.InlineMessageID != "" {
 563		params["inline_message_id"] = config.InlineMessageID
 564	} else {
 565		params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
 566		params.AddNonZero("message_id", config.MessageID)
 567	}
 568
 569	return params, nil
 570}
 571
 572func (config SetGameScoreConfig) method() string {
 573	return "setGameScore"
 574}
 575
 576// GetGameHighScoresConfig allows you to fetch the high scores for a game.
 577type GetGameHighScoresConfig struct {
 578	UserID          int
 579	ChatID          int
 580	ChannelUsername string
 581	MessageID       int
 582	InlineMessageID string
 583}
 584
 585func (config GetGameHighScoresConfig) params() (Params, error) {
 586	params := make(Params)
 587
 588	params.AddNonZero("user_id", config.UserID)
 589
 590	if config.InlineMessageID != "" {
 591		params["inline_message_id"] = config.InlineMessageID
 592	} else {
 593		params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
 594		params.AddNonZero("message_id", config.MessageID)
 595	}
 596
 597	return params, nil
 598}
 599
 600func (config GetGameHighScoresConfig) method() string {
 601	return "getGameHighScores"
 602}
 603
 604// ChatActionConfig contains information about a SendChatAction request.
 605type ChatActionConfig struct {
 606	BaseChat
 607	Action string // required
 608}
 609
 610func (config ChatActionConfig) params() (Params, error) {
 611	params, err := config.BaseChat.params()
 612
 613	params["action"] = config.Action
 614
 615	return params, err
 616}
 617
 618func (config ChatActionConfig) method() string {
 619	return "sendChatAction"
 620}
 621
 622// EditMessageTextConfig allows you to modify the text in a message.
 623type EditMessageTextConfig struct {
 624	BaseEdit
 625	Text                  string
 626	ParseMode             string
 627	DisableWebPagePreview bool
 628}
 629
 630func (config EditMessageTextConfig) params() (Params, error) {
 631	params, err := config.BaseEdit.params()
 632
 633	params["text"] = config.Text
 634	params.AddNonEmpty("parse_mode", config.ParseMode)
 635	params.AddBool("disable_web_page_preview", config.DisableWebPagePreview)
 636
 637	return params, err
 638}
 639
 640func (config EditMessageTextConfig) method() string {
 641	return "editMessageText"
 642}
 643
 644// EditMessageCaptionConfig allows you to modify the caption of a message.
 645type EditMessageCaptionConfig struct {
 646	BaseEdit
 647	Caption   string
 648	ParseMode string
 649}
 650
 651func (config EditMessageCaptionConfig) params() (Params, error) {
 652	params, err := config.BaseEdit.params()
 653
 654	params["caption"] = config.Caption
 655	params.AddNonEmpty("parse_mode", config.ParseMode)
 656
 657	return params, err
 658}
 659
 660func (config EditMessageCaptionConfig) method() string {
 661	return "editMessageCaption"
 662}
 663
 664// EditMessageMediaConfig contains information about editing a message's media.
 665type EditMessageMediaConfig struct {
 666	BaseEdit
 667
 668	Media interface{}
 669}
 670
 671func (EditMessageMediaConfig) method() string {
 672	return "editMessageMedia"
 673}
 674
 675func (config EditMessageMediaConfig) params() (Params, error) {
 676	params, err := config.BaseEdit.params()
 677
 678	params.AddInterface("media", config.Media)
 679
 680	return params, err
 681}
 682
 683// EditMessageReplyMarkupConfig allows you to modify the reply markup
 684// of a message.
 685type EditMessageReplyMarkupConfig struct {
 686	BaseEdit
 687}
 688
 689func (config EditMessageReplyMarkupConfig) params() (Params, error) {
 690	return config.BaseEdit.params()
 691}
 692
 693func (config EditMessageReplyMarkupConfig) method() string {
 694	return "editMessageReplyMarkup"
 695}
 696
 697// StopPollConfig allows you to stop a poll sent by the bot.
 698type StopPollConfig struct {
 699	BaseEdit
 700}
 701
 702func (config StopPollConfig) params() (Params, error) {
 703	return config.BaseEdit.params()
 704}
 705
 706func (StopPollConfig) method() string {
 707	return "stopPoll"
 708}
 709
 710// UserProfilePhotosConfig contains information about a
 711// GetUserProfilePhotos request.
 712type UserProfilePhotosConfig struct {
 713	UserID int
 714	Offset int
 715	Limit  int
 716}
 717
 718func (UserProfilePhotosConfig) method() string {
 719	return "getUserProfilePhotos"
 720}
 721
 722func (config UserProfilePhotosConfig) params() (Params, error) {
 723	params := make(Params)
 724
 725	params.AddNonZero("user_id", config.UserID)
 726	params.AddNonZero("offset", config.Offset)
 727	params.AddNonZero("limit", config.Limit)
 728
 729	return params, nil
 730}
 731
 732// FileConfig has information about a file hosted on Telegram.
 733type FileConfig struct {
 734	FileID string
 735}
 736
 737func (FileConfig) method() string {
 738	return "getFile"
 739}
 740
 741func (config FileConfig) params() (Params, error) {
 742	params := make(Params)
 743
 744	params["file_id"] = config.FileID
 745
 746	return params, nil
 747}
 748
 749// UpdateConfig contains information about a GetUpdates request.
 750type UpdateConfig struct {
 751	Offset  int
 752	Limit   int
 753	Timeout int
 754}
 755
 756func (UpdateConfig) method() string {
 757	return "getUpdates"
 758}
 759
 760func (config UpdateConfig) params() (Params, error) {
 761	params := make(Params)
 762
 763	params.AddNonZero("offset", config.Offset)
 764	params.AddNonZero("limit", config.Limit)
 765	params.AddNonZero("timeout", config.Timeout)
 766
 767	return params, nil
 768}
 769
 770// WebhookConfig contains information about a SetWebhook request.
 771type WebhookConfig struct {
 772	URL            *url.URL
 773	Certificate    interface{}
 774	MaxConnections int
 775	AllowedUpdates []string
 776}
 777
 778func (config WebhookConfig) method() string {
 779	return "setWebhook"
 780}
 781
 782func (config WebhookConfig) params() (Params, error) {
 783	params := make(Params)
 784
 785	if config.URL != nil {
 786		params["url"] = config.URL.String()
 787	}
 788
 789	params.AddNonZero("max_connections", config.MaxConnections)
 790	params.AddInterface("allowed_updates", config.AllowedUpdates)
 791
 792	return params, nil
 793}
 794
 795func (config WebhookConfig) name() string {
 796	return "certificate"
 797}
 798
 799func (config WebhookConfig) getFile() interface{} {
 800	return config.Certificate
 801}
 802
 803func (config WebhookConfig) useExistingFile() bool {
 804	return config.URL != nil
 805}
 806
 807// RemoveWebhookConfig is a helper to remove a webhook.
 808type RemoveWebhookConfig struct {
 809}
 810
 811func (config RemoveWebhookConfig) method() string {
 812	return "setWebhook"
 813}
 814
 815func (config RemoveWebhookConfig) params() (Params, error) {
 816	return nil, nil
 817}
 818
 819// FileBytes contains information about a set of bytes to upload
 820// as a File.
 821type FileBytes struct {
 822	Name  string
 823	Bytes []byte
 824}
 825
 826// FileReader contains information about a reader to upload as a File.
 827// If Size is -1, it will read the entire Reader into memory to
 828// calculate a Size.
 829type FileReader struct {
 830	Name   string
 831	Reader io.Reader
 832	Size   int64
 833}
 834
 835// InlineConfig contains information on making an InlineQuery response.
 836type InlineConfig struct {
 837	InlineQueryID     string        `json:"inline_query_id"`
 838	Results           []interface{} `json:"results"`
 839	CacheTime         int           `json:"cache_time"`
 840	IsPersonal        bool          `json:"is_personal"`
 841	NextOffset        string        `json:"next_offset"`
 842	SwitchPMText      string        `json:"switch_pm_text"`
 843	SwitchPMParameter string        `json:"switch_pm_parameter"`
 844}
 845
 846func (config InlineConfig) method() string {
 847	return "answerInlineQuery"
 848}
 849
 850func (config InlineConfig) params() (Params, error) {
 851	params := make(Params)
 852
 853	params["inline_query_id"] = config.InlineQueryID
 854	params.AddNonZero("cache_time", config.CacheTime)
 855	params.AddBool("is_personal", config.IsPersonal)
 856	params.AddNonEmpty("next_offset", config.NextOffset)
 857	params.AddNonEmpty("switch_pm_text", config.SwitchPMText)
 858	params.AddNonEmpty("switch_pm_parameter", config.SwitchPMParameter)
 859
 860	if err := params.AddInterface("results", config.Results); err != nil {
 861		return params, err
 862	}
 863
 864	return params, nil
 865}
 866
 867// CallbackConfig contains information on making a CallbackQuery response.
 868type CallbackConfig struct {
 869	CallbackQueryID string `json:"callback_query_id"`
 870	Text            string `json:"text"`
 871	ShowAlert       bool   `json:"show_alert"`
 872	URL             string `json:"url"`
 873	CacheTime       int    `json:"cache_time"`
 874}
 875
 876func (config CallbackConfig) method() string {
 877	return "answerCallbackQuery"
 878}
 879
 880func (config CallbackConfig) params() (Params, error) {
 881	params := make(Params)
 882
 883	params["callback_query_id"] = config.CallbackQueryID
 884	params.AddNonEmpty("text", config.Text)
 885	params.AddBool("show_alert", config.ShowAlert)
 886	params.AddNonEmpty("url", config.URL)
 887	params.AddNonZero("cache_time", config.CacheTime)
 888
 889	return params, nil
 890}
 891
 892// ChatMemberConfig contains information about a user in a chat for use
 893// with administrative functions such as kicking or unbanning a user.
 894type ChatMemberConfig struct {
 895	ChatID             int64
 896	SuperGroupUsername string
 897	ChannelUsername    string
 898	UserID             int
 899}
 900
 901// UnbanChatMemberConfig allows you to unban a user.
 902type UnbanChatMemberConfig struct {
 903	ChatMemberConfig
 904}
 905
 906func (config UnbanChatMemberConfig) method() string {
 907	return "unbanChatMember"
 908}
 909
 910func (config UnbanChatMemberConfig) params() (Params, error) {
 911	params := make(Params)
 912
 913	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername, config.ChannelUsername)
 914	params.AddNonZero("user_id", config.UserID)
 915
 916	return params, nil
 917}
 918
 919// KickChatMemberConfig contains extra fields to kick user
 920type KickChatMemberConfig struct {
 921	ChatMemberConfig
 922	UntilDate int64
 923}
 924
 925func (config KickChatMemberConfig) method() string {
 926	return "kickChatMember"
 927}
 928
 929func (config KickChatMemberConfig) params() (Params, error) {
 930	params := make(Params)
 931
 932	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
 933	params.AddNonZero("user_id", config.UserID)
 934	params.AddNonZero64("until_date", config.UntilDate)
 935
 936	return params, nil
 937}
 938
 939// RestrictChatMemberConfig contains fields to restrict members of chat
 940type RestrictChatMemberConfig struct {
 941	ChatMemberConfig
 942	UntilDate             int64
 943	CanSendMessages       *bool
 944	CanSendMediaMessages  *bool
 945	CanSendOtherMessages  *bool
 946	CanAddWebPagePreviews *bool
 947}
 948
 949func (config RestrictChatMemberConfig) method() string {
 950	return "restrictChatMember"
 951}
 952
 953func (config RestrictChatMemberConfig) params() (Params, error) {
 954	params := make(Params)
 955
 956	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername, config.ChannelUsername)
 957	params.AddNonZero("user_id", config.UserID)
 958
 959	params.AddNonNilBool("can_send_messages", config.CanSendMessages)
 960	params.AddNonNilBool("can_send_media_messages", config.CanSendMediaMessages)
 961	params.AddNonNilBool("can_send_other_messages", config.CanSendOtherMessages)
 962	params.AddNonNilBool("can_add_web_page_previews", config.CanAddWebPagePreviews)
 963	params.AddNonZero64("until_date", config.UntilDate)
 964
 965	return params, nil
 966}
 967
 968// PromoteChatMemberConfig contains fields to promote members of chat
 969type PromoteChatMemberConfig struct {
 970	ChatMemberConfig
 971	CanChangeInfo      *bool
 972	CanPostMessages    *bool
 973	CanEditMessages    *bool
 974	CanDeleteMessages  *bool
 975	CanInviteUsers     *bool
 976	CanRestrictMembers *bool
 977	CanPinMessages     *bool
 978	CanPromoteMembers  *bool
 979}
 980
 981func (config PromoteChatMemberConfig) method() string {
 982	return "promoteChatMember"
 983}
 984
 985func (config PromoteChatMemberConfig) params() (Params, error) {
 986	params := make(Params)
 987
 988	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername, config.ChannelUsername)
 989	params.AddNonZero("user_id", config.UserID)
 990
 991	params.AddNonNilBool("can_change_info", config.CanChangeInfo)
 992	params.AddNonNilBool("can_post_messages", config.CanPostMessages)
 993	params.AddNonNilBool("can_edit_messages", config.CanEditMessages)
 994	params.AddNonNilBool("can_delete_messages", config.CanDeleteMessages)
 995	params.AddNonNilBool("can_invite_users", config.CanInviteUsers)
 996	params.AddNonNilBool("can_restrict_members", config.CanRestrictMembers)
 997	params.AddNonNilBool("can_pin_messages", config.CanPinMessages)
 998	params.AddNonNilBool("can_promote_members", config.CanPromoteMembers)
 999
1000	return params, nil
1001}
1002
1003// ChatConfig contains information about getting information on a chat.
1004type ChatConfig struct {
1005	ChatID             int64
1006	SuperGroupUsername string
1007}
1008
1009func (config ChatConfig) params() (Params, error) {
1010	params := make(Params)
1011
1012	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
1013
1014	return params, nil
1015}
1016
1017// ChatInfoConfig contains information about getting chat information.
1018type ChatInfoConfig struct {
1019	ChatConfig
1020}
1021
1022func (ChatInfoConfig) method() string {
1023	return "getChat"
1024}
1025
1026// ChatMemberCountConfig contains information about getting the number of users in a chat.
1027type ChatMemberCountConfig struct {
1028	ChatConfig
1029}
1030
1031func (ChatMemberCountConfig) method() string {
1032	return "getChatMembersCount"
1033}
1034
1035// ChatAdministratorsConfig contains information about getting chat administrators.
1036type ChatAdministratorsConfig struct {
1037	ChatConfig
1038}
1039
1040func (ChatAdministratorsConfig) method() string {
1041	return "getChatAdministrators"
1042}
1043
1044// ChatInviteLinkConfig contains information about getting a chat link.
1045//
1046// Note that generating a new link will revoke any previous links.
1047type ChatInviteLinkConfig struct {
1048	ChatConfig
1049}
1050
1051func (ChatInviteLinkConfig) method() string {
1052	return "exportChatInviteLink"
1053}
1054
1055func (config ChatInviteLinkConfig) params() (Params, error) {
1056	params := make(Params)
1057
1058	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
1059
1060	return params, nil
1061}
1062
1063// LeaveChatConfig allows you to leave a chat.
1064type LeaveChatConfig struct {
1065	ChatID          int64
1066	ChannelUsername string
1067}
1068
1069func (config LeaveChatConfig) method() string {
1070	return "leaveChat"
1071}
1072
1073func (config LeaveChatConfig) params() (Params, error) {
1074	params := make(Params)
1075
1076	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
1077
1078	return params, nil
1079}
1080
1081// ChatConfigWithUser contains information about a chat and a user.
1082type ChatConfigWithUser struct {
1083	ChatID             int64
1084	SuperGroupUsername string
1085	UserID             int
1086}
1087
1088func (config ChatConfigWithUser) params() (Params, error) {
1089	params := make(Params)
1090
1091	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
1092	params.AddNonZero("user_id", config.UserID)
1093
1094	return params, nil
1095}
1096
1097// GetChatMemberConfig is information about getting a specific member in a chat.
1098type GetChatMemberConfig struct {
1099	ChatConfigWithUser
1100}
1101
1102func (GetChatMemberConfig) method() string {
1103	return "getChatMember"
1104}
1105
1106// InvoiceConfig contains information for sendInvoice request.
1107type InvoiceConfig struct {
1108	BaseChat
1109	Title                     string         // required
1110	Description               string         // required
1111	Payload                   string         // required
1112	ProviderToken             string         // required
1113	StartParameter            string         // required
1114	Currency                  string         // required
1115	Prices                    []LabeledPrice // required
1116	ProviderData              string
1117	PhotoURL                  string
1118	PhotoSize                 int
1119	PhotoWidth                int
1120	PhotoHeight               int
1121	NeedName                  bool
1122	NeedPhoneNumber           bool
1123	NeedEmail                 bool
1124	NeedShippingAddress       bool
1125	SendPhoneNumberToProvider bool
1126	SendEmailToProvider       bool
1127	IsFlexible                bool
1128}
1129
1130func (config InvoiceConfig) params() (Params, error) {
1131	params, err := config.BaseChat.params()
1132	if err != nil {
1133		return params, err
1134	}
1135
1136	params["title"] = config.Title
1137	params["description"] = config.Description
1138	params["payload"] = config.Payload
1139	params["provider_token"] = config.ProviderToken
1140	params["start_parameter"] = config.StartParameter
1141	params["currency"] = config.Currency
1142
1143	if err = params.AddInterface("prices", config.Prices); err != nil {
1144		return params, err
1145	}
1146
1147	params.AddNonEmpty("provider_data", config.ProviderData)
1148	params.AddNonEmpty("photo_url", config.PhotoURL)
1149	params.AddNonZero("photo_size", config.PhotoSize)
1150	params.AddNonZero("photo_width", config.PhotoWidth)
1151	params.AddNonZero("photo_height", config.PhotoHeight)
1152	params.AddBool("need_name", config.NeedName)
1153	params.AddBool("need_phone_number", config.NeedPhoneNumber)
1154	params.AddBool("need_email", config.NeedEmail)
1155	params.AddBool("need_shipping_address", config.NeedShippingAddress)
1156	params.AddBool("is_flexible", config.IsFlexible)
1157	params.AddBool("send_phone_number_to_provider", config.SendPhoneNumberToProvider)
1158	params.AddBool("send_email_to_provider", config.SendEmailToProvider)
1159
1160	return params, nil
1161}
1162
1163func (config InvoiceConfig) method() string {
1164	return "sendInvoice"
1165}
1166
1167// ShippingConfig contains information for answerShippingQuery request.
1168type ShippingConfig struct {
1169	ShippingQueryID string // required
1170	OK              bool   // required
1171	ShippingOptions []ShippingOption
1172	ErrorMessage    string
1173}
1174
1175// PreCheckoutConfig conatins information for answerPreCheckoutQuery request.
1176type PreCheckoutConfig struct {
1177	PreCheckoutQueryID string // required
1178	OK                 bool   // required
1179	ErrorMessage       string
1180}
1181
1182// DeleteMessageConfig contains information of a message in a chat to delete.
1183type DeleteMessageConfig struct {
1184	ChatID    int64
1185	MessageID int
1186}
1187
1188func (config DeleteMessageConfig) method() string {
1189	return "deleteMessage"
1190}
1191
1192func (config DeleteMessageConfig) params() (Params, error) {
1193	params := make(Params)
1194
1195	params.AddNonZero64("chat_id", config.ChatID)
1196	params.AddNonZero("message_id", config.MessageID)
1197
1198	return params, nil
1199}
1200
1201// PinChatMessageConfig contains information of a message in a chat to pin.
1202type PinChatMessageConfig struct {
1203	ChatID              int64
1204	ChannelUsername     string
1205	MessageID           int
1206	DisableNotification bool
1207}
1208
1209func (config PinChatMessageConfig) method() string {
1210	return "pinChatMessage"
1211}
1212
1213func (config PinChatMessageConfig) params() (Params, error) {
1214	params := make(Params)
1215
1216	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
1217	params.AddNonZero("message_id", config.MessageID)
1218	params.AddBool("disable_notification", config.DisableNotification)
1219
1220	return params, nil
1221}
1222
1223// UnpinChatMessageConfig contains information of chat to unpin.
1224type UnpinChatMessageConfig struct {
1225	ChatID          int64
1226	ChannelUsername string
1227}
1228
1229func (config UnpinChatMessageConfig) method() string {
1230	return "unpinChatMessage"
1231}
1232
1233func (config UnpinChatMessageConfig) params() (Params, error) {
1234	params := make(Params)
1235
1236	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
1237
1238	return params, nil
1239}
1240
1241// SetChatPhotoConfig allows you to set a group, supergroup, or channel's photo.
1242type SetChatPhotoConfig struct {
1243	BaseFile
1244}
1245
1246func (config SetChatPhotoConfig) method() string {
1247	return "setChatPhoto"
1248}
1249
1250func (config SetChatPhotoConfig) name() string {
1251	return "photo"
1252}
1253
1254func (config SetChatPhotoConfig) getFile() interface{} {
1255	return config.File
1256}
1257
1258func (config SetChatPhotoConfig) useExistingFile() bool {
1259	return config.UseExisting
1260}
1261
1262// DeleteChatPhotoConfig allows you to delete a group, supergroup, or channel's photo.
1263type DeleteChatPhotoConfig struct {
1264	ChatID          int64
1265	ChannelUsername string
1266}
1267
1268func (config DeleteChatPhotoConfig) method() string {
1269	return "deleteChatPhoto"
1270}
1271
1272func (config DeleteChatPhotoConfig) params() (Params, error) {
1273	params := make(Params)
1274
1275	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
1276
1277	return params, nil
1278}
1279
1280// SetChatTitleConfig allows you to set the title of something other than a private chat.
1281type SetChatTitleConfig struct {
1282	ChatID          int64
1283	ChannelUsername string
1284
1285	Title string
1286}
1287
1288func (config SetChatTitleConfig) method() string {
1289	return "setChatTitle"
1290}
1291
1292func (config SetChatTitleConfig) params() (Params, error) {
1293	params := make(Params)
1294
1295	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
1296	params["title"] = config.Title
1297
1298	return params, nil
1299}
1300
1301// SetChatDescriptionConfig allows you to set the description of a supergroup or channel.
1302type SetChatDescriptionConfig struct {
1303	ChatID          int64
1304	ChannelUsername string
1305
1306	Description string
1307}
1308
1309func (config SetChatDescriptionConfig) method() string {
1310	return "setChatDescription"
1311}
1312
1313func (config SetChatDescriptionConfig) params() (Params, error) {
1314	params := make(Params)
1315
1316	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
1317	params["description"] = config.Description
1318
1319	return params, nil
1320}
1321
1322// GetStickerSetConfig allows you to get the stickers in a set.
1323type GetStickerSetConfig struct {
1324	Name string
1325}
1326
1327func (config GetStickerSetConfig) method() string {
1328	return "getStickerSet"
1329}
1330
1331func (config GetStickerSetConfig) params() (Params, error) {
1332	params := make(Params)
1333
1334	params["name"] = config.Name
1335
1336	return params, nil
1337}
1338
1339// UploadStickerConfig allows you to upload a sticker for use in a set later.
1340type UploadStickerConfig struct {
1341	UserID     int64
1342	PNGSticker interface{}
1343}
1344
1345func (config UploadStickerConfig) method() string {
1346	return "uploadStickerFile"
1347}
1348
1349func (config UploadStickerConfig) params() (Params, error) {
1350	params := make(Params)
1351
1352	params.AddNonZero64("user_id", config.UserID)
1353
1354	return params, nil
1355}
1356
1357func (config UploadStickerConfig) name() string {
1358	return "png_sticker"
1359}
1360
1361func (config UploadStickerConfig) getFile() interface{} {
1362	return config.PNGSticker
1363}
1364
1365func (config UploadStickerConfig) useExistingFile() bool {
1366	return false
1367}
1368
1369// NewStickerSetConfig allows creating a new sticker set.
1370type NewStickerSetConfig struct {
1371	UserID        int64
1372	Name          string
1373	Title         string
1374	PNGSticker    interface{}
1375	Emojis        string
1376	ContainsMasks bool
1377	MaskPosition  *MaskPosition
1378}
1379
1380func (config NewStickerSetConfig) method() string {
1381	return "createNewStickerSet"
1382}
1383
1384func (config NewStickerSetConfig) params() (Params, error) {
1385	params := make(Params)
1386
1387	params.AddNonZero64("user_id", config.UserID)
1388	params["name"] = config.Name
1389	params["title"] = config.Title
1390
1391	if sticker, ok := config.PNGSticker.(string); ok {
1392		params[config.name()] = sticker
1393	}
1394
1395	params["emojis"] = config.Emojis
1396
1397	params.AddBool("contains_masks", config.ContainsMasks)
1398
1399	err := params.AddInterface("mask_position", config.MaskPosition)
1400
1401	return params, err
1402}
1403
1404func (config NewStickerSetConfig) getFile() interface{} {
1405	return config.PNGSticker
1406}
1407
1408func (config NewStickerSetConfig) name() string {
1409	return "png_sticker"
1410}
1411
1412func (config NewStickerSetConfig) useExistingFile() bool {
1413	_, ok := config.PNGSticker.(string)
1414
1415	return ok
1416}
1417
1418// AddStickerConfig allows you to add a sticker to a set.
1419type AddStickerConfig struct {
1420	UserID       int64
1421	Name         string
1422	PNGSticker   interface{}
1423	Emojis       string
1424	MaskPosition *MaskPosition
1425}
1426
1427func (config AddStickerConfig) method() string {
1428	return "addStickerToSet"
1429}
1430
1431func (config AddStickerConfig) params() (Params, error) {
1432	params := make(Params)
1433
1434	params.AddNonZero64("user_id", config.UserID)
1435	params["name"] = config.Name
1436	params["emojis"] = config.Emojis
1437
1438	if sticker, ok := config.PNGSticker.(string); ok {
1439		params[config.name()] = sticker
1440	}
1441
1442	err := params.AddInterface("mask_position", config.MaskPosition)
1443
1444	return params, err
1445}
1446
1447func (config AddStickerConfig) name() string {
1448	return "png_sticker"
1449}
1450
1451func (config AddStickerConfig) getFile() interface{} {
1452	return config.PNGSticker
1453}
1454
1455func (config AddStickerConfig) useExistingFile() bool {
1456	return false
1457}
1458
1459// SetStickerPositionConfig allows you to change the position of a sticker in a set.
1460type SetStickerPositionConfig struct {
1461	Sticker  string
1462	Position int
1463}
1464
1465func (config SetStickerPositionConfig) method() string {
1466	return "setStickerPositionInSet"
1467}
1468
1469func (config SetStickerPositionConfig) params() (Params, error) {
1470	params := make(Params)
1471
1472	params["sticker"] = config.Sticker
1473	params.AddNonZero("position", config.Position)
1474
1475	return params, nil
1476}
1477
1478// DeleteStickerConfig allows you to delete a sticker from a set.
1479type DeleteStickerConfig struct {
1480	Sticker string
1481}
1482
1483func (config DeleteStickerConfig) method() string {
1484	return "deleteStickerFromSet"
1485}
1486
1487func (config DeleteStickerConfig) params() (Params, error) {
1488	params := make(Params)
1489
1490	params["sticker"] = config.Sticker
1491
1492	return params, nil
1493}
1494
1495// SetChatStickerSetConfig allows you to set the sticker set for a supergroup.
1496type SetChatStickerSetConfig struct {
1497	ChatID             int64
1498	SuperGroupUsername string
1499
1500	StickerSetName string
1501}
1502
1503func (config SetChatStickerSetConfig) method() string {
1504	return "setChatStickerSet"
1505}
1506
1507func (config SetChatStickerSetConfig) params() (Params, error) {
1508	params := make(Params)
1509
1510	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
1511	params["sticker_set_name"] = config.StickerSetName
1512
1513	return params, nil
1514}
1515
1516// DeleteChatStickerSetConfig allows you to remove a supergroup's sticker set.
1517type DeleteChatStickerSetConfig struct {
1518	ChatID             int64
1519	SuperGroupUsername string
1520}
1521
1522func (config DeleteChatStickerSetConfig) method() string {
1523	return "deleteChatStickerSet"
1524}
1525
1526func (config DeleteChatStickerSetConfig) params() (Params, error) {
1527	params := make(Params)
1528
1529	params.AddFirstValid("chat_id", config.ChatID, config.SuperGroupUsername)
1530
1531	return params, nil
1532}
1533
1534// MediaGroupConfig allows you to send a group of media.
1535//
1536// Media consist of InputMedia items (InputMediaPhoto, InputMediaVideo).
1537type MediaGroupConfig struct {
1538	ChatID          int64
1539	ChannelUsername string
1540
1541	Media               []interface{}
1542	DisableNotification bool
1543	ReplyToMessageID    int
1544}
1545
1546func (config MediaGroupConfig) method() string {
1547	return "sendMediaGroup"
1548}
1549
1550func (config MediaGroupConfig) params() (Params, error) {
1551	params := make(Params)
1552
1553	params.AddFirstValid("chat_id", config.ChatID, config.ChannelUsername)
1554	if err := params.AddInterface("media", config.Media); err != nil {
1555		return params, nil
1556	}
1557	params.AddBool("disable_notification", config.DisableNotification)
1558	params.AddNonZero("reply_to_message_id", config.ReplyToMessageID)
1559
1560	return params, nil
1561}