telebot/message.go

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2023-02-01 12:08:20 +03:00
package telebot
import (
"strconv"
"time"
"unicode/utf16"
)
// Message object represents a message.
type Message struct {
ID int `json:"message_id"`
ThreadId *int `json:"message_thread_id"`
// For message sent to channels, Sender will be nil
Sender *User `json:"from"`
// Unixtime, use Message.Time() to get time.Time
Unixtime int64 `json:"date"`
// Conversation the message belongs to.
Chat *Chat `json:"chat"`
// Sender of the message, sent on behalf of a chat.
SenderChat *Chat `json:"sender_chat"`
// For forwarded messages, sender of the original message.
OriginalSender *User `json:"forward_from"`
// For forwarded messages, chat of the original message when
// forwarded from a channel.
OriginalChat *Chat `json:"forward_from_chat"`
// For forwarded messages, identifier of the original message
// when forwarded from a channel.
OriginalMessageID int `json:"forward_from_message_id"`
// For forwarded messages, signature of the post author.
OriginalSignature string `json:"forward_signature"`
// For forwarded messages, sender's name from users who
// disallow adding a link to their account.
OriginalSenderName string `json:"forward_sender_name"`
// For forwarded messages, unixtime of the original message.
OriginalUnixtime int `json:"forward_date"`
// Message is a channel post that was automatically forwarded to the connected discussion group.
AutomaticForward bool `json:"is_automatic_forward"`
// For replies, ReplyTo represents the original message.
//
// Note that the Message object in this field will not
// contain further ReplyTo fields even if it
// itself is a reply.
ReplyTo *Message `json:"reply_to_message"`
// Shows through which bot the message was sent.
Via *User `json:"via_bot"`
// (Optional) Time of last edit in Unix.
LastEdit int64 `json:"edit_date"`
// (Optional) Message can't be forwarded.
Protected bool `json:"has_protected_content,omitempty"`
// AlbumID is the unique identifier of a media message group
// this message belongs to.
AlbumID string `json:"media_group_id"`
// Author signature (in channels).
Signature string `json:"author_signature"`
// For a text message, the actual UTF-8 text of the message.
Text string `json:"text"`
// For registered commands, will contain the string payload:
//
// Ex: `/command <payload>` or `/command@botname <payload>`
Payload string `json:"-"`
// For text messages, special entities like usernames, URLs, bot commands,
// etc. that appear in the text.
Entities Entities `json:"entities,omitempty"`
// Some messages containing media, may as well have a caption.
Caption string `json:"caption,omitempty"`
// For messages with a caption, special entities like usernames, URLs,
// bot commands, etc. that appear in the caption.
CaptionEntities Entities `json:"caption_entities,omitempty"`
// For an audio recording, information about it.
Audio *Audio `json:"audio"`
// For a general file, information about it.
Document *Document `json:"document"`
// For a photo, all available sizes (thumbnails).
Photo *Photo `json:"photo"`
// For a sticker, information about it.
Sticker *Sticker `json:"sticker"`
// For a voice message, information about it.
Voice *Voice `json:"voice"`
// For a video note, information about it.
VideoNote *VideoNote `json:"video_note"`
// For a video, information about it.
Video *Video `json:"video"`
// For a animation, information about it.
Animation *Animation `json:"animation"`
// For a contact, contact information itself.
Contact *Contact `json:"contact"`
// For a location, its longitude and latitude.
Location *Location `json:"location"`
// For a venue, information about it.
Venue *Venue `json:"venue"`
// For a poll, information the native poll.
Poll *Poll `json:"poll"`
// For a game, information about it.
Game *Game `json:"game"`
// For a dice, information about it.
Dice *Dice `json:"dice"`
// For a service message, represents a user,
// that just got added to chat, this message came from.
//
// Sender leads to User, capable of invite.
//
// UserJoined might be the Bot itself.
UserJoined *User `json:"new_chat_member"`
// For a service message, represents a user,
// that just left chat, this message came from.
//
// If user was kicked, Sender leads to a User,
// capable of this kick.
//
// UserLeft might be the Bot itself.
UserLeft *User `json:"left_chat_member"`
// For a service message, represents a new title
// for chat this message came from.
//
// Sender would lead to a User, capable of change.
NewGroupTitle string `json:"new_chat_title"`
// For a service message, represents all available
// thumbnails of the new chat photo.
//
// Sender would lead to a User, capable of change.
NewGroupPhoto *Photo `json:"new_chat_photo"`
// For a service message, new members that were added to
// the group or supergroup and information about them
// (the bot itself may be one of these members).
UsersJoined []User `json:"new_chat_members"`
// For a service message, true if chat photo just
// got removed.
//
// Sender would lead to a User, capable of change.
GroupPhotoDeleted bool `json:"delete_chat_photo"`
// For a service message, true if group has been created.
//
// You would receive such a message if you are one of
// initial group chat members.
//
// Sender would lead to creator of the chat.
GroupCreated bool `json:"group_chat_created"`
// For a service message, true if supergroup has been created.
//
// You would receive such a message if you are one of
// initial group chat members.
//
// Sender would lead to creator of the chat.
SuperGroupCreated bool `json:"supergroup_chat_created"`
// For a service message, true if channel has been created.
//
// You would receive such a message if you are one of
// initial channel administrators.
//
// Sender would lead to creator of the chat.
ChannelCreated bool `json:"channel_chat_created"`
// For a service message, the destination (supergroup) you
// migrated to.
//
// You would receive such a message when your chat has migrated
// to a supergroup.
//
// Sender would lead to creator of the migration.
MigrateTo int64 `json:"migrate_to_chat_id"`
// For a service message, the Origin (normal group) you migrated
// from.
//
// You would receive such a message when your chat has migrated
// to a supergroup.
//
// Sender would lead to creator of the migration.
MigrateFrom int64 `json:"migrate_from_chat_id"`
// Specified message was pinned. Note that the Message object
// in this field will not contain further ReplyTo fields even
// if it is itself a reply.
PinnedMessage *Message `json:"pinned_message"`
// Message is an invoice for a payment.
Invoice *Invoice `json:"invoice"`
// Message is a service message about a successful payment.
Payment *Payment `json:"successful_payment"`
// The domain name of the website on which the user has logged in.
ConnectedWebsite string `json:"connected_website,omitempty"`
// For a service message, a video chat started in the chat.
VideoChatStarted *VideoChatStarted `json:"video_chat_started,omitempty"`
// For a service message, a video chat ended in the chat.
VideoChatEnded *VideoChatEnded `json:"video_chat_ended,omitempty"`
// For a service message, some users were invited in the video chat.
VideoChatParticipants *VideoChatParticipants `json:"video_chat_participants_invited,omitempty"`
// For a service message, a video chat schedule in the chat.
VideoChatScheduled *VideoChatScheduled `json:"video_chat_scheduled,omitempty"`
// For a data sent by a Web App.
WebAppData *WebAppData `json:"web_app_data,omitempty"`
// For a service message, represents the content of a service message,
// sent whenever a user in the chat triggers a proximity alert set by another user.
ProximityAlert *ProximityAlert `json:"proximity_alert_triggered,omitempty"`
// For a service message, represents about a change in auto-delete timer settings.
AutoDeleteTimer *AutoDeleteTimer `json:"message_auto_delete_timer_changed,omitempty"`
// Inline keyboard attached to the message.
ReplyMarkup *ReplyMarkup `json:"reply_markup,omitempty"`
}
// MessageEntity object represents "special" parts of text messages,
// including hashtags, usernames, URLs, etc.
type MessageEntity struct {
// Specifies entity type.
Type EntityType `json:"type"`
// Offset in UTF-16 code units to the start of the entity.
Offset int `json:"offset"`
// Length of the entity in UTF-16 code units.
Length int `json:"length"`
// (Optional) For EntityTextLink entity type only.
//
// URL will be opened after user taps on the text.
URL string `json:"url,omitempty"`
// (Optional) For EntityTMention entity type only.
User *User `json:"user,omitempty"`
// (Optional) For EntityCodeBlock entity type only.
Language string `json:"language,omitempty"`
// (Optional) For EntityCustomEmoji entity type only.
CustomEmoji string `json:"custom_emoji_id"`
}
// EntityType is a MessageEntity type.
type EntityType string
const (
EntityMention EntityType = "mention"
EntityTMention EntityType = "text_mention"
EntityHashtag EntityType = "hashtag"
EntityCashtag EntityType = "cashtag"
EntityCommand EntityType = "bot_command"
EntityURL EntityType = "url"
EntityEmail EntityType = "email"
EntityPhone EntityType = "phone_number"
EntityBold EntityType = "bold"
EntityItalic EntityType = "italic"
EntityUnderline EntityType = "underline"
EntityStrikethrough EntityType = "strikethrough"
EntityCode EntityType = "code"
EntityCodeBlock EntityType = "pre"
EntityTextLink EntityType = "text_link"
EntitySpoiler EntityType = "spoiler"
EntityCustomEmoji EntityType = "custom_emoji"
)
// Entities is used to set message's text entities as a send option.
type Entities []MessageEntity
// ProximityAlert sent whenever a user in the chat triggers
// a proximity alert set by another user.
type ProximityAlert struct {
Traveler *User `json:"traveler,omitempty"`
Watcher *User `json:"watcher,omitempty"`
Distance int `json:"distance"`
}
// AutoDeleteTimer represents a service message about a change in auto-delete timer settings.
type AutoDeleteTimer struct {
Unixtime int `json:"message_auto_delete_time"`
}
// MessageSig satisfies Editable interface (see Editable.)
func (m *Message) MessageSig() (string, int64) {
return strconv.Itoa(m.ID), m.Chat.ID
}
// Time returns the moment of message creation in local time.
func (m *Message) Time() time.Time {
return time.Unix(m.Unixtime, 0)
}
// LastEdited returns time.Time of last edit.
func (m *Message) LastEdited() time.Time {
return time.Unix(m.LastEdit, 0)
}
// IsForwarded says whether message is forwarded copy of another
// message or not.
func (m *Message) IsForwarded() bool {
return m.OriginalSender != nil || m.OriginalChat != nil
}
// IsReply says whether message is a reply to another message.
func (m *Message) IsReply() bool {
return m.ReplyTo != nil
}
// Private returns true, if it's a personal message.
func (m *Message) Private() bool {
return m.Chat.Type == ChatPrivate
}
// FromGroup returns true, if message came from a group OR a supergroup.
func (m *Message) FromGroup() bool {
return m.Chat.Type == ChatGroup || m.Chat.Type == ChatSuperGroup
}
// FromChannel returns true, if message came from a channel.
func (m *Message) FromChannel() bool {
return m.Chat.Type == ChatChannel
}
// IsService returns true, if message is a service message,
// returns false otherwise.
//
// Service messages are automatically sent messages, which
// typically occur on some global action. For instance, when
// anyone leaves the chat or chat title changes.
func (m *Message) IsService() bool {
fact := false
fact = fact || m.UserJoined != nil
fact = fact || len(m.UsersJoined) > 0
fact = fact || m.UserLeft != nil
fact = fact || m.NewGroupTitle != ""
fact = fact || m.NewGroupPhoto != nil
fact = fact || m.GroupPhotoDeleted
fact = fact || m.GroupCreated || m.SuperGroupCreated
fact = fact || (m.MigrateTo != m.MigrateFrom)
return fact
}
// EntityText returns the substring of the message identified by the
// given MessageEntity.
//
// It's safer than manually slicing Text because Telegram uses
// UTF-16 indices whereas Go string are []byte.
func (m *Message) EntityText(e MessageEntity) string {
text := m.Text
if text == "" {
text = m.Caption
}
a := utf16.Encode([]rune(text))
off, end := e.Offset, e.Offset+e.Length
if off < 0 || end > len(a) {
return ""
}
return string(utf16.Decode(a[off:end]))
}
// Media returns the message's media if it contains either photo,
// voice, audio, animation, sticker, document, video or video note.
func (m *Message) Media() Media {
switch {
case m.Photo != nil:
return m.Photo
case m.Voice != nil:
return m.Voice
case m.Audio != nil:
return m.Audio
case m.Animation != nil:
return m.Animation
case m.Sticker != nil:
return m.Sticker
case m.Document != nil:
return m.Document
case m.Video != nil:
return m.Video
case m.VideoNote != nil:
return m.VideoNote
default:
return nil
}
}