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Fix Telegram Problem (unforwarded formatting and skipping of linebreaks) (#1749) 

* Change bridge/telegram/handlers.go

Comment out the removing of empty lines
add support for bold, italic and striked telegram messages

* Implement Telegram MessageEntities correctly

* Apply gofmt

Co-authored-by: Jan Martin Reckel <jan-martin.reckel@s2017.tu-chemnitz.de>
Co-authored-by: Wim <wim@42.be>
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Jan Martin Reckel 2022-03-12 00:19:02 +01:00 committed by GitHub
parent 0dbbd0414c
commit ccb5b1d075
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1 changed files with 18 additions and 1 deletions
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19
bridge/telegram/handlers.go
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@ -201,7 +201,8 @@ func (b *Btelegram) handleRecv(updates <-chan tgbotapi.Update) {
b.handleEntities(&rmsg, message)
if rmsg.Text != "" || len(rmsg.Extra) > 0 {
rmsg.Text = helper.RemoveEmptyNewLines(rmsg.Text)
// Comment the next line out due to avoid removing empty lines in Telegram
// rmsg.Text = helper.RemoveEmptyNewLines(rmsg.Text)
// channels don't have (always?) user information. see #410
if message.From != nil {
rmsg.Avatar = helper.GetAvatar(b.avatarMap, strconv.FormatInt(message.From.ID, 10), b.General)
@ -509,5 +510,21 @@ func (b *Btelegram) handleEntities(rmsg *config.Message, message *tgbotapi.Messa
rmsg.Text = rmsg.Text[:offset] + "```\n" + rmsg.Text[offset:offset+e.Length] + "\n```" + rmsg.Text[offset+e.Length:]
indexMovedBy += 8
}
if e.Type == "bold" {
offset := e.Offset + indexMovedBy
rmsg.Text = rmsg.Text[:offset] + "*" + rmsg.Text[offset:offset+e.Length] + "*" + rmsg.Text[offset+e.Length:]
indexMovedBy += 2
}
if e.Type == "italic" {
offset := e.Offset + indexMovedBy
rmsg.Text = rmsg.Text[:offset] + "_" + rmsg.Text[offset:offset+e.Length] + "_" + rmsg.Text[offset+e.Length:]
indexMovedBy += 2
}
if e.Type == "strike" {
offset := e.Offset + indexMovedBy
rmsg.Text = rmsg.Text[:offset] + "~" + rmsg.Text[offset:offset+e.Length] + "~" + rmsg.Text[offset+e.Length:]
indexMovedBy += 2
}
}
}