telegram-bot-api/types.go

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package tgbotapi
import (
"encoding/json"
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"errors"
"fmt"
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"net/url"
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"strings"
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"time"
)
// APIResponse is a response from the Telegram API with the result
// stored raw.
type APIResponse struct {
Ok bool `json:"ok"`
Result json.RawMessage `json:"result"`
ErrorCode int `json:"error_code"`
Description string `json:"description"`
Parameters *ResponseParameters `json:"parameters"`
}
// ResponseParameters are various errors that can be returned in APIResponse.
type ResponseParameters struct {
MigrateToChatID int64 `json:"migrate_to_chat_id"` // optional
RetryAfter int `json:"retry_after"` // optional
}
// Update is an update response, from GetUpdates.
type Update struct {
UpdateID int `json:"update_id"`
Message *Message `json:"message"`
EditedMessage *Message `json:"edited_message"`
ChannelPost *Message `json:"channel_post"`
EditedChannelPost *Message `json:"edited_channel_post"`
InlineQuery *InlineQuery `json:"inline_query"`
ChosenInlineResult *ChosenInlineResult `json:"chosen_inline_result"`
CallbackQuery *CallbackQuery `json:"callback_query"`
}
// UpdatesChannel is the channel for getting updates.
type UpdatesChannel <-chan Update
// Clear discards all unprocessed incoming updates.
func (ch UpdatesChannel) Clear() {
for len(ch) != 0 {
<-ch
}
}
// User is a user on Telegram.
type User struct {
ID int `json:"id"`
FirstName string `json:"first_name"`
LastName string `json:"last_name"` // optional
UserName string `json:"username"` // optional
}
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// String displays a simple text version of a user.
//
// It is normally a user's username, but falls back to a first/last
// name as available.
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func (u *User) String() string {
if u.UserName != "" {
return u.UserName
}
name := u.FirstName
if u.LastName != "" {
name += " " + u.LastName
}
return name
}
// GroupChat is a group chat.
type GroupChat struct {
ID int `json:"id"`
Title string `json:"title"`
}
// Chat contains information about the place a message was sent.
type Chat struct {
ID int64 `json:"id"`
Type string `json:"type"`
Title string `json:"title"` // optional
UserName string `json:"username"` // optional
FirstName string `json:"first_name"` // optional
LastName string `json:"last_name"` // optional
AllMembersAreAdmins bool `json:"all_members_are_administrators"` // optional
}
// IsPrivate returns if the Chat is a private conversation.
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func (c Chat) IsPrivate() bool {
return c.Type == "private"
}
// IsGroup returns if the Chat is a group.
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func (c Chat) IsGroup() bool {
return c.Type == "group"
}
// IsSuperGroup returns if the Chat is a supergroup.
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func (c Chat) IsSuperGroup() bool {
return c.Type == "supergroup"
}
// IsChannel returns if the Chat is a channel.
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func (c Chat) IsChannel() bool {
return c.Type == "channel"
}
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// ChatConfig returns a ChatConfig struct for chat related methods.
func (c Chat) ChatConfig() ChatConfig {
return ChatConfig{ChatID: c.ID}
}
// Message is returned by almost every request, and contains data about
// almost anything.
type Message struct {
MessageID int `json:"message_id"`
From *User `json:"from"` // optional
Date int `json:"date"`
Chat *Chat `json:"chat"`
ForwardFrom *User `json:"forward_from"` // optional
ForwardFromChat *Chat `json:"forward_from_chat"` // optional
ForwardFromMessageID int `json:"forward_from_message_id"` // optional
ForwardDate int `json:"forward_date"` // optional
ReplyToMessage *Message `json:"reply_to_message"` // optional
EditDate int `json:"edit_date"` // optional
Text string `json:"text"` // optional
Entities *[]MessageEntity `json:"entities"` // optional
Audio *Audio `json:"audio"` // optional
Document *Document `json:"document"` // optional
Game *Game `json:"game"` // optional
Photo *[]PhotoSize `json:"photo"` // optional
Sticker *Sticker `json:"sticker"` // optional
Video *Video `json:"video"` // optional
Voice *Voice `json:"voice"` // optional
Caption string `json:"caption"` // optional
Contact *Contact `json:"contact"` // optional
Location *Location `json:"location"` // optional
Venue *Venue `json:"venue"` // optional
NewChatMember *User `json:"new_chat_member"` // optional
LeftChatMember *User `json:"left_chat_member"` // optional
NewChatTitle string `json:"new_chat_title"` // optional
NewChatPhoto *[]PhotoSize `json:"new_chat_photo"` // optional
DeleteChatPhoto bool `json:"delete_chat_photo"` // optional
GroupChatCreated bool `json:"group_chat_created"` // optional
SuperGroupChatCreated bool `json:"supergroup_chat_created"` // optional
ChannelChatCreated bool `json:"channel_chat_created"` // optional
MigrateToChatID int64 `json:"migrate_to_chat_id"` // optional
MigrateFromChatID int64 `json:"migrate_from_chat_id"` // optional
PinnedMessage *Message `json:"pinned_message"` // optional
}
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// Time converts the message timestamp into a Time.
func (m *Message) Time() time.Time {
return time.Unix(int64(m.Date), 0)
}
// IsCommand returns true if message starts with '/'.
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func (m *Message) IsCommand() bool {
return m.Text != "" && m.Text[0] == '/'
}
// Command checks if the message was a command and if it was, returns the
// command. If the Message was not a command, it returns an empty string.
//
// If the command contains the at bot syntax, it removes the bot name.
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func (m *Message) Command() string {
if !m.IsCommand() {
return ""
}
command := strings.SplitN(m.Text, " ", 2)[0][1:]
if i := strings.Index(command, "@"); i != -1 {
command = command[:i]
}
return command
}
// CommandArguments checks if the message was a command and if it was,
// returns all text after the command name. If the Message was not a
// command, it returns an empty string.
func (m *Message) CommandArguments() string {
if !m.IsCommand() {
return ""
}
split := strings.SplitN(m.Text, " ", 2)
if len(split) != 2 {
return ""
}
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return split[1]
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}
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// MessageEntity contains information about data in a Message.
type MessageEntity struct {
Type string `json:"type"`
Offset int `json:"offset"`
Length int `json:"length"`
URL string `json:"url"` // optional
User *User `json:"user"` // optional
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}
// ParseURL attempts to parse a URL contained within a MessageEntity.
func (entity MessageEntity) ParseURL() (*url.URL, error) {
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if entity.URL == "" {
return nil, errors.New(ErrBadURL)
}
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return url.Parse(entity.URL)
}
// PhotoSize contains information about photos.
type PhotoSize struct {
FileID string `json:"file_id"`
Width int `json:"width"`
Height int `json:"height"`
FileSize int `json:"file_size"` // optional
}
// Audio contains information about audio.
type Audio struct {
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FileID string `json:"file_id"`
Duration int `json:"duration"`
Performer string `json:"performer"` // optional
Title string `json:"title"` // optional
MimeType string `json:"mime_type"` // optional
FileSize int `json:"file_size"` // optional
}
// Document contains information about a document.
type Document struct {
FileID string `json:"file_id"`
Thumbnail *PhotoSize `json:"thumb"` // optional
FileName string `json:"file_name"` // optional
MimeType string `json:"mime_type"` // optional
FileSize int `json:"file_size"` // optional
}
// Sticker contains information about a sticker.
type Sticker struct {
FileID string `json:"file_id"`
Width int `json:"width"`
Height int `json:"height"`
Thumbnail *PhotoSize `json:"thumb"` // optional
Emoji string `json:"emoji"` // optional
FileSize int `json:"file_size"` // optional
}
// Video contains information about a video.
type Video struct {
FileID string `json:"file_id"`
Width int `json:"width"`
Height int `json:"height"`
Duration int `json:"duration"`
Thumbnail *PhotoSize `json:"thumb"` // optional
MimeType string `json:"mime_type"` // optional
FileSize int `json:"file_size"` // optional
}
// Voice contains information about a voice.
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type Voice struct {
FileID string `json:"file_id"`
Duration int `json:"duration"`
MimeType string `json:"mime_type"` // optional
FileSize int `json:"file_size"` // optional
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}
// Contact contains information about a contact.
//
// Note that LastName and UserID may be empty.
type Contact struct {
PhoneNumber string `json:"phone_number"`
FirstName string `json:"first_name"`
LastName string `json:"last_name"` // optional
UserID int `json:"user_id"` // optional
}
// Location contains information about a place.
type Location struct {
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Longitude float64 `json:"longitude"`
Latitude float64 `json:"latitude"`
}
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// Venue contains information about a venue, including its Location.
type Venue struct {
Location Location `json:"location"`
Title string `json:"title"`
Address string `json:"address"`
FoursquareID string `json:"foursquare_id"` // optional
}
// UserProfilePhotos contains a set of user profile photos.
type UserProfilePhotos struct {
TotalCount int `json:"total_count"`
Photos [][]PhotoSize `json:"photos"`
}
// File contains information about a file to download from Telegram.
type File struct {
FileID string `json:"file_id"`
FileSize int `json:"file_size"` // optional
FilePath string `json:"file_path"` // optional
}
// Link returns a full path to the download URL for a File.
//
// It requires the Bot Token to create the link.
func (f *File) Link(token string) string {
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return fmt.Sprintf(FileEndpoint, token, f.FilePath)
}
// ReplyKeyboardMarkup allows the Bot to set a custom keyboard.
type ReplyKeyboardMarkup struct {
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Keyboard [][]KeyboardButton `json:"keyboard"`
ResizeKeyboard bool `json:"resize_keyboard"` // optional
OneTimeKeyboard bool `json:"one_time_keyboard"` // optional
Selective bool `json:"selective"` // optional
}
// KeyboardButton is a button within a custom keyboard.
type KeyboardButton struct {
Text string `json:"text"`
RequestContact bool `json:"request_contact"`
RequestLocation bool `json:"request_location"`
}
// ReplyKeyboardHide allows the Bot to hide a custom keyboard.
type ReplyKeyboardHide struct {
HideKeyboard bool `json:"hide_keyboard"`
Selective bool `json:"selective"` // optional
}
// ReplyKeyboardRemove allows the Bot to hide a custom keyboard.
type ReplyKeyboardRemove struct {
RemoveKeyboard bool `json:"remove_keyboard"`
Selective bool `json:"selective"`
}
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// InlineKeyboardMarkup is a custom keyboard presented for an inline bot.
type InlineKeyboardMarkup struct {
InlineKeyboard [][]InlineKeyboardButton `json:"inline_keyboard"`
}
// InlineKeyboardButton is a button within a custom keyboard for
// inline query responses.
//
// Note that some values are references as even an empty string
// will change behavior.
//
// CallbackGame, if set, MUST be first button in first row.
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type InlineKeyboardButton struct {
Text string `json:"text"`
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URL *string `json:"url,omitempty"` // optional
CallbackData *string `json:"callback_data,omitempty"` // optional
SwitchInlineQuery *string `json:"switch_inline_query,omitempty"` // optional
SwitchInlineQueryCurrentChat *string `json:"switch_inline_query_current_chat,omitempty"` // optional
CallbackGame *CallbackGame `json:"callback_game,omitempty"` // optional
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}
// CallbackQuery is data sent when a keyboard button with callback data
// is clicked.
type CallbackQuery struct {
ID string `json:"id"`
From *User `json:"from"`
Message *Message `json:"message"` // optional
InlineMessageID string `json:"inline_message_id"` // optional
ChatInstance string `json:"chat_instance"`
Data string `json:"data"` // optional
GameShortName string `json:"game_short_name"` // optional
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}
// ForceReply allows the Bot to have users directly reply to it without
// additional interaction.
type ForceReply struct {
ForceReply bool `json:"force_reply"`
Selective bool `json:"selective"` // optional
}
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// ChatMember is information about a member in a chat.
type ChatMember struct {
User *User `json:"user"`
Status string `json:"status"`
}
// IsCreator returns if the ChatMember was the creator of the chat.
func (chat ChatMember) IsCreator() bool { return chat.Status == "creator" }
// IsAdministrator returns if the ChatMember is a chat administrator.
func (chat ChatMember) IsAdministrator() bool { return chat.Status == "administrator" }
// IsMember returns if the ChatMember is a current member of the chat.
func (chat ChatMember) IsMember() bool { return chat.Status == "member" }
// HasLeft returns if the ChatMember left the chat.
func (chat ChatMember) HasLeft() bool { return chat.Status == "left" }
// WasKicked returns if the ChatMember was kicked from the chat.
func (chat ChatMember) WasKicked() bool { return chat.Status == "kicked" }
// Game is a game within Telegram.
type Game struct {
Title string `json:"title"`
Description string `json:"description"`
Photo []PhotoSize `json:"photo"`
Text string `json:"text"`
TextEntities []MessageEntity `json:"text_entities"`
Animation Animation `json:"animation"`
}
// Animation is a GIF animation demonstrating the game.
type Animation struct {
FileID string `json:"file_id"`
Thumb PhotoSize `json:"thumb"`
FileName string `json:"file_name"`
MimeType string `json:"mime_type"`
FileSize int `json:"file_size"`
}
// GameHighScore is a user's score and position on the leaderboard.
type GameHighScore struct {
Position int `json:"position"`
User User `json:"user"`
Score int `json:"score"`
}
// CallbackGame is for starting a game in an inline keyboard button.
type CallbackGame struct{}
// WebhookInfo is information about a currently set webhook.
type WebhookInfo struct {
URL string `json:"url"`
HasCustomCertificate bool `json:"has_custom_certificate"`
PendingUpdateCount int `json:"pending_update_count"`
LastErrorDate int `json:"last_error_date"` // optional
LastErrorMessage string `json:"last_error_message"` // optional
}
// IsSet returns true if a webhook is currently set.
func (info WebhookInfo) IsSet() bool {
return info.URL != ""
}
// InlineQuery is a Query from Telegram for an inline request.
type InlineQuery struct {
ID string `json:"id"`
From *User `json:"from"`
Location *Location `json:"location"` // optional
Query string `json:"query"`
Offset string `json:"offset"`
}
// InlineQueryResultArticle is an inline query response article.
type InlineQueryResultArticle struct {
Type string `json:"type"` // required
ID string `json:"id"` // required
Title string `json:"title"` // required
InputMessageContent interface{} `json:"input_message_content,omitempty"` // required
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ReplyMarkup *InlineKeyboardMarkup `json:"reply_markup,omitempty"`
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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 {
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Type string `json:"type"` // required
ID string `json:"id"` // required
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"`
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ReplyMarkup *InlineKeyboardMarkup `json:"reply_markup,omitempty"`
InputMessageContent interface{} `json:"input_message_content,omitempty"`
}
// InlineQueryResultGIF is an inline query response GIF.
type InlineQueryResultGIF struct {
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Type string `json:"type"` // required
ID string `json:"id"` // required
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"`
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ReplyMarkup *InlineKeyboardMarkup `json:"reply_markup,omitempty"`
InputMessageContent interface{} `json:"input_message_content,omitempty"`
}
// InlineQueryResultMPEG4GIF is an inline query response MPEG4 GIF.
type InlineQueryResultMPEG4GIF struct {
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Type string `json:"type"` // required
ID string `json:"id"` // required
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"`
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ReplyMarkup *InlineKeyboardMarkup `json:"reply_markup,omitempty"`
InputMessageContent interface{} `json:"input_message_content,omitempty"`
}
// InlineQueryResultVideo is an inline query response video.
type InlineQueryResultVideo struct {
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Type string `json:"type"` // required
ID string `json:"id"` // required
URL string `json:"video_url"` // required
MimeType string `json:"mime_type"` // required
ThumbURL string `json:"thumb_url"`
Title string `json:"title"`
Caption string `json:"caption"`
Width int `json:"video_width"`
Height int `json:"video_height"`
Duration int `json:"video_duration"`
Description string `json:"description"`
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ReplyMarkup *InlineKeyboardMarkup `json:"reply_markup,omitempty"`
InputMessageContent interface{} `json:"input_message_content,omitempty"`
}
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// InlineQueryResultAudio is an inline query response audio.
type InlineQueryResultAudio struct {
Type string `json:"type"` // required
ID string `json:"id"` // required
URL string `json:"audio_url"` // required
Title string `json:"title"` // required
Caption string `json:"caption"`
Performer string `json:"performer"`
Duration int `json:"audio_duration"`
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ReplyMarkup *InlineKeyboardMarkup `json:"reply_markup,omitempty"`
InputMessageContent interface{} `json:"input_message_content,omitempty"`
}
// InlineQueryResultVoice is an inline query response voice.
type InlineQueryResultVoice struct {
Type string `json:"type"` // required
ID string `json:"id"` // required
URL string `json:"voice_url"` // required
Title string `json:"title"` // required
Caption string `json:"caption"`
Duration int `json:"voice_duration"`
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ReplyMarkup *InlineKeyboardMarkup `json:"reply_markup,omitempty"`
InputMessageContent interface{} `json:"input_message_content,omitempty"`
}
// InlineQueryResultDocument is an inline query response document.
type InlineQueryResultDocument struct {
Type string `json:"type"` // required
ID string `json:"id"` // required
Title string `json:"title"` // required
Caption string `json:"caption"`
URL string `json:"document_url"` // required
MimeType string `json:"mime_type"` // required
Description string `json:"description"`
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ReplyMarkup *InlineKeyboardMarkup `json:"reply_markup,omitempty"`
InputMessageContent interface{} `json:"input_message_content,omitempty"`
ThumbURL string `json:"thumb_url"`
ThumbWidth int `json:"thumb_width"`
ThumbHeight int `json:"thumb_height"`
}
// InlineQueryResultLocation is an inline query response location.
type InlineQueryResultLocation struct {
Type string `json:"type"` // required
ID string `json:"id"` // required
Latitude float64 `json:"latitude"` // required
Longitude float64 `json:"longitude"` // required
Title string `json:"title"` // required
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ReplyMarkup *InlineKeyboardMarkup `json:"reply_markup,omitempty"`
InputMessageContent interface{} `json:"input_message_content,omitempty"`
ThumbURL string `json:"thumb_url"`
ThumbWidth int `json:"thumb_width"`
ThumbHeight int `json:"thumb_height"`
}
// InlineQueryResultGame is an inline query response game.
type InlineQueryResultGame struct {
Type string `json:"type"`
ID string `json:"id"`
GameShortName string `json:"game_short_name"`
ReplyMarkup *InlineKeyboardMarkup `json:"reply_markup"`
}
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// ChosenInlineResult is an inline query result chosen by a User
type ChosenInlineResult struct {
ResultID string `json:"result_id"`
From *User `json:"from"`
Location *Location `json:"location"`
InlineMessageID string `json:"inline_message_id"`
Query string `json:"query"`
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}
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// InputTextMessageContent contains text for displaying
// as an inline query result.
type InputTextMessageContent struct {
Text string `json:"message_text"`
ParseMode string `json:"parse_mode"`
DisableWebPagePreview bool `json:"disable_web_page_preview"`
}
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// InputLocationMessageContent contains a location for displaying
// as an inline query result.
type InputLocationMessageContent struct {
Latitude float64 `json:"latitude"`
Longitude float64 `json:"longitude"`
}
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// InputVenueMessageContent contains a venue for displaying
// as an inline query result.
type InputVenueMessageContent struct {
Latitude float64 `json:"latitude"`
Longitude float64 `json:"longitude"`
Title string `json:"title"`
Address string `json:"address"`
FoursquareID string `json:"foursquare_id"`
}
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// InputContactMessageContent contains a contact for displaying
// as an inline query result.
type InputContactMessageContent struct {
PhoneNumber string `json:"phone_number"`
FirstName string `json:"first_name"`
LastName string `json:"last_name"`
}