372 lines
8.8 KiB
Go
372 lines
8.8 KiB
Go
package telegram
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import (
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"sort"
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"strings"
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"time"
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)
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// IsCommand checks that the current message is a bot command.
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func (m *Message) IsCommand() bool {
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if !m.IsText() || !m.HasEntities() {
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return false
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}
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entity := m.Entities[0]
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return entity.IsBotCommand() && entity.Offset == 0
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}
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// IsCommandEqual checks that the current message is a specific bot command.
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func (m *Message) IsCommandEqual(command string) bool {
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return m.IsCommand() && strings.EqualFold(m.Command(), command)
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}
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// Command returns identifier of the bot command without bot username, if it was
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// available
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func (m *Message) Command() string {
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if !m.IsCommand() {
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return ""
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}
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return strings.Split(m.RawCommand(), "@")[0]
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}
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// RawCommand returns identifier of the bot command with bot username, if it was
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// available
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func (m *Message) RawCommand() string {
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if !m.IsCommand() {
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return ""
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}
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return string([]rune(m.Text)[1:m.Entities[0].Length])
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}
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// HasCommandArgument checks that the current command message contains argument.
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func (m *Message) HasCommandArgument() bool {
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if !m.IsCommand() {
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return false
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}
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entity := m.Entities[0]
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if !entity.IsBotCommand() {
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return false
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}
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return len([]rune(m.Text)) != entity.Length
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}
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// CommandArgument returns raw command argument.
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func (m *Message) CommandArgument() string {
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if !m.HasCommandArgument() {
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return ""
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}
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return string([]rune(m.Text)[m.Entities[0].Length+1:])
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}
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// IsReply checks that the current message is a reply on other message.
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func (m *Message) IsReply() bool {
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return m != nil && m.ReplyToMessage != nil
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}
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// IsForward checks that the current message is a forward of other message.
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func (m *Message) IsForward() bool {
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return m != nil && m.ForwardFrom != nil
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}
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// Time parse current message Date and returns time.Time.
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func (m *Message) Time() *time.Time {
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if m == nil {
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return nil
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}
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t := time.Unix(m.Date, 0)
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return &t
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}
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// ForwardTime parse current message ForwardDate and returns time.Time.
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func (m *Message) ForwardTime() *time.Time {
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if m == nil {
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return nil
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}
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ft := time.Unix(m.ForwardDate, 0)
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return &ft
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}
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// EditTime parse current message EditDate and returns time.Time.
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func (m *Message) EditTime() *time.Time {
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if m == nil || !m.HasBeenEdited() {
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return nil
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}
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et := time.Unix(m.EditDate, 0)
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return &et
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}
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// HasBeenEdited checks that the current message has been edited.
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func (m *Message) HasBeenEdited() bool {
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return m != nil && m.EditDate > 0
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}
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// IsText checks that the current message is just a text message.
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func (m *Message) IsText() bool {
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return m != nil && m.Text != ""
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}
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// IsAudio checks that the current message is a audio.
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func (m *Message) IsAudio() bool {
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return m != nil && m.Audio != nil
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}
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// IsDocument checks that the current message is a document.
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func (m *Message) IsDocument() bool {
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return m != nil && m.Document != nil
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}
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// IsGame checks that the current message is a game.
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func (m *Message) IsGame() bool {
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return m != nil && m.Game != nil
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}
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// IsPhoto checks that the current message is a photo.
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func (m *Message) IsPhoto() bool {
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return m != nil && len(m.Photo) > 0
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}
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// IsSticker checks that the current message is a sticker.
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func (m *Message) IsSticker() bool {
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return m != nil && m.Sticker != nil
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}
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// IsVideo checks that the current message is a video.
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func (m *Message) IsVideo() bool {
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return m != nil && m.Video != nil
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}
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// IsVoice checks that the current message is a voice.
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func (m *Message) IsVoice() bool {
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return m != nil && m.Voice != nil
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}
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// IsVideoNote checks that the current message is a video note.
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func (m *Message) IsVideoNote() bool {
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return m != nil && m.VideoNote != nil
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}
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// IsContact checks that the current message is a contact.
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func (m *Message) IsContact() bool {
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return m != nil && m.Contact != nil
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}
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// IsLocation checks that the current message is a location.
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func (m *Message) IsLocation() bool {
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return m != nil && m.Location != nil
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}
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// IsVenue checks that the current message is a venue.
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func (m *Message) IsVenue() bool {
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return m != nil && m.Venue != nil
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}
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// IsAnimation checks that the current message is a animation.
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func (m *Message) IsAnimation() bool {
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return m != nil && m.Animation != nil
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}
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// IsNewChatMembersEvent checks that the current message is a event of entry of
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// new members.
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func (m *Message) IsNewChatMembersEvent() bool {
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return m != nil && len(m.NewChatMembers) > 0
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}
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// IsLeftChatMemberEvent checks that the current message is a event of members
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// exit.
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func (m *Message) IsLeftChatMemberEvent() bool {
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return m != nil && m.LeftChatMember != nil
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}
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// IsNewChatTitleEvent checks that the current message is a event of setting a
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// new chat title.
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func (m *Message) IsNewChatTitleEvent() bool {
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return m != nil && !strings.EqualFold(m.NewChatTitle, "")
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}
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// IsNewChatPhotoEvent checks that the current message is a event of setting a
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// new chat avatar.
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func (m *Message) IsNewChatPhotoEvent() bool {
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return m != nil && len(m.NewChatPhoto) > 0
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}
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// IsDeleteChatPhotoEvent checks that the current message is a event of deleting
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// a chat avatar.
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func (m *Message) IsDeleteChatPhotoEvent() bool {
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return m != nil && m.DeleteChatPhoto
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}
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// IsGroupChatCreatedEvent checks that the current message is a event of creating
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// a new group.
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func (m *Message) IsGroupChatCreatedEvent() bool {
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return m != nil && m.GroupChatCreated
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}
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// IsSupergroupChatCreatedEvent checks that the current message is a event of
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// creating a new supergroup.
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func (m *Message) IsSupergroupChatCreatedEvent() bool {
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return m != nil && m.SupergroupChatCreated
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}
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// IsChannelChatCreatedEvent checks that the current message is a event of
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// creating a new channel.
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func (m *Message) IsChannelChatCreatedEvent() bool {
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return m != nil && m.ChannelChatCreated
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}
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// IsPinnedMessage checks that the current message is a event of pinning another
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// message.
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func (m *Message) IsPinnedMessage() bool {
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return m != nil && m.PinnedMessage != nil
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}
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// IsInvoice checks that the current message is a invoice.
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func (m *Message) IsInvoice() bool {
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return m != nil && m.Invoice != nil
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}
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// IsSuccessfulPayment checks that the current message is a event of successful
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// payment.
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func (m *Message) IsSuccessfulPayment() bool {
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return m != nil && m.SuccessfulPayment != nil
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}
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// HasEntities checks that the current message contains entities.
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func (m *Message) HasEntities() bool {
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return m != nil && len(m.Entities) > 0
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}
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// HasCaptionEntities checks that the current media contains entities in caption.
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func (m *Message) HasCaptionEntities() bool {
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return m != nil && len(m.CaptionEntities) > 0
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}
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// HasMentions checks that the current message contains mentions.
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func (m *Message) HasMentions() bool {
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if !m.HasEntities() {
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return false
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}
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for _, entity := range m.Entities {
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if entity.IsMention() || entity.IsTextMention() {
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return true
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}
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}
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return false
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}
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// HasCaptionMentions checks that the current media contains mentions in caption.
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func (m *Message) HasCaptionMentions() bool {
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if !m.HasCaptionEntities() {
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return false
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}
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for _, entity := range m.CaptionEntities {
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if entity.IsMention() || entity.IsTextMention() {
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return true
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}
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}
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return false
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}
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// HasCaption checks that the current media has caption.
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func (m *Message) HasCaption() bool {
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return m != nil && m.Caption != ""
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}
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// HasAuthorSignature checks that the current channel post has author signature.
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func (m *Message) HasAuthorSignature() bool {
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return m != nil && m.AuthorSignature != ""
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}
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// IsEvent checks what current message is a any chat event.
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func (m *Message) IsEvent() bool {
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return m.IsChannelChatCreatedEvent() ||
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m.IsDeleteChatPhotoEvent() ||
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m.IsGroupChatCreatedEvent() ||
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m.IsLeftChatMemberEvent() ||
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m.IsNewChatMembersEvent() ||
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m.IsNewChatTitleEvent() ||
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m.IsSupergroupChatCreatedEvent() ||
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m.IsNewChatPhotoEvent()
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}
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func sortPhotos(ps []PhotoSize, reverse bool) []PhotoSize {
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buf := make([]PhotoSize, len(ps))
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copy(buf, ps)
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sort.Slice(buf, func(i, j int) bool {
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if reverse {
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return buf[i].Width > buf[j].Width &&
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buf[i].Height > buf[j].Height
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}
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return buf[i].Width < buf[j].Width &&
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buf[i].Height < buf[j].Height
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})
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return buf
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}
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func (m *Message) BigPhoto() *PhotoSize {
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if m == nil || !m.IsPhoto() {
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return nil
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}
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if len(m.Photo) == 1 {
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return &m.Photo[0]
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}
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sp := sortPhotos(m.Photo, true)
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return &sp[0]
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}
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func (m *Message) SmallPhoto() *PhotoSize {
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if m == nil || !m.IsPhoto() {
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return nil
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}
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if len(m.Photo) == 1 {
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return &m.Photo[0]
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}
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sp := sortPhotos(m.Photo, false)
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return &sp[0]
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}
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func (m *Message) BigChatPhoto() *PhotoSize {
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if m == nil || !m.IsNewChatPhotoEvent() {
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return nil
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}
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if len(m.NewChatPhoto) == 1 {
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return &m.NewChatPhoto[0]
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}
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sp := sortPhotos(m.NewChatPhoto, true)
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return &sp[0]
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}
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func (m *Message) SmallChatPhoto() *PhotoSize {
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if m == nil || !m.IsNewChatPhotoEvent() {
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return nil
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}
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if len(m.NewChatPhoto) == 1 {
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return &m.NewChatPhoto[0]
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}
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sp := sortPhotos(m.NewChatPhoto, false)
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return &sp[0]
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}
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