From b275efaeff94b3a747a6c312829f0b107d831f72 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Tue, 7 Dec 2021 20:26:28 +0000
Subject: Add support for code blocks in telegram (#1650)

* handle code blocks in telegram.

* support multi-line code blocks.

* remove import.

* handle code blocks in middle of normal text.

* support multiple code blocks in same message.
---
 bridge/telegram/handlers.go | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'bridge')

diff --git a/bridge/telegram/handlers.go b/bridge/telegram/handlers.go
index 84881f7f..7f40ddc9 100644
--- a/bridge/telegram/handlers.go
+++ b/bridge/telegram/handlers.go
@@ -435,6 +435,9 @@ func (b *Btelegram) handleEntities(rmsg *config.Message, message *tgbotapi.Messa
 	if message.Entities == nil {
 		return
 	}
+
+	var indexMovedBy = 0
+
 	// for now only do URL replacements
 	for _, e := range *message.Entities {
 		if e.Type == "text_link" {
@@ -451,5 +454,17 @@ func (b *Btelegram) handleEntities(rmsg *config.Message, message *tgbotapi.Messa
 			link := utf16.Decode(utfEncodedString[e.Offset : e.Offset+e.Length])
 			rmsg.Text = strings.Replace(rmsg.Text, string(link), url.String(), 1)
 		}
+
+		if e.Type == "code" {
+			var 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 == "pre" {
+			var offset = e.Offset + indexMovedBy			
+			rmsg.Text = rmsg.Text[:offset] + "```\n" + rmsg.Text[offset:offset + e.Length] + "\n```" + rmsg.Text[offset + e.Length :]			
+			indexMovedBy += 8
+		}
 	}
 }
-- 
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