103 lines
2.6 KiB
Go
103 lines
2.6 KiB
Go
package telegram
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import (
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"fmt"
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"net/url"
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"strings"
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)
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// ParseURL selects URL from entered text of message and parse it as url.URL.
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func (e *MessageEntity) ParseURL(messageText string) *url.URL {
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if e == nil ||
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!e.IsURL() ||
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strings.EqualFold(messageText, "") {
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return nil
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}
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from := e.Offset
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to := from + e.Length
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text := []rune(messageText)
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if len(text) < to {
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return nil
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}
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link, err := url.Parse(string(text[from:to]))
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if err == nil && strings.EqualFold(link.Scheme, "") {
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link, err = url.Parse(fmt.Sprint("http://", link))
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}
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if err != nil {
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return nil
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}
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return link
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}
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// IsBold checks that the current entity is a bold tag.
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func (e *MessageEntity) IsBold() bool {
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return e != nil && strings.EqualFold(e.Type, EntityBold)
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}
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// IsBotCommand checks that the current entity is a bot command.
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func (e *MessageEntity) IsBotCommand() bool {
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return e != nil && strings.EqualFold(e.Type, EntityBotCommand)
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}
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// IsCode checks that the current entity is a code tag.
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func (e *MessageEntity) IsCode() bool {
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return e != nil && strings.EqualFold(e.Type, EntityCode)
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}
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// IsEmail checks that the current entity is a email.
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func (e *MessageEntity) IsEmail() bool {
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return e != nil && strings.EqualFold(e.Type, EntityEmail)
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}
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// IsHashtag checks that the current entity is a hashtag.
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func (e *MessageEntity) IsHashtag() bool {
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return e != nil && strings.EqualFold(e.Type, EntityHashtag)
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}
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// IsItalic checks that the current entity is a italic tag.
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func (e *MessageEntity) IsItalic() bool {
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return e != nil && strings.EqualFold(e.Type, EntityItalic)
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}
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// IsMention checks that the current entity is a username mention.
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func (e *MessageEntity) IsMention() bool {
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return e != nil && strings.EqualFold(e.Type, EntityMention)
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}
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// IsPre checks that the current entity is a pre tag.
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func (e *MessageEntity) IsPre() bool {
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return e != nil && strings.EqualFold(e.Type, EntityPre)
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}
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// IsTextLink checks that the current entity is a text link.
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func (e *MessageEntity) IsTextLink() bool {
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return e != nil && strings.EqualFold(e.Type, EntityTextLink)
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}
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// IsTextMention checks that the current entity is a mention without username.
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func (e *MessageEntity) IsTextMention() bool {
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return e != nil && strings.EqualFold(e.Type, EntityTextMention)
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}
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// IsURL checks that the current entity is a URL
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func (e *MessageEntity) IsURL() bool {
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return e != nil && strings.EqualFold(e.Type, EntityURL)
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}
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// TextLink parse current text link entity as url.URL.
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func (e *MessageEntity) TextLink() *url.URL {
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if e == nil {
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return nil
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}
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link, err := url.Parse(e.URL)
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if err != nil {
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return nil
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}
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return link
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}
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