TelegramMessenger / TelegramMessenger/Telegram-iOS

Markdown Links not clickable in a Media Gallery message

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bug
Dominant language
Swift
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Description

Checklist
  • I am reporting an issue in existing functionality that does not work as intended
  • I've searched for existing GitHub issues
Description

When sending a media gallery message via bot API with markdownv2 captions, links are not clickable. The same messages are working properly in Android clients (web is not working either).
Interestingly, if the media gallery has a single media, seems like all works fine.

Expected Behavior

Markdown inline links should be clickable and opening URL after a confirmation.

Actual Behavior

Links are not clickable.

Steps to Reproduce
  1. You need to have a bot
  2. Submit CURL request, make sure to replace vars
  3. CURL
curl -X POST "https://api.telegram.org/bot{BOT_TOKEN}/sendMediaGroup" \
-H "accept: application/json" \
-H "Content-Type: application/json" \
-d @- << EOF

{
  "media": [
    {
      "type": "photo",
      "caption": "This is markdown text1 with a link [Link 1](https://www.example.com)",
      "media": "https://www.alphashooters.com/wp-content/uploads/2019/01/sony-sel85f18-gsd-puppy-DSC00116-1300px.jpg",
      "parse_mode": "MarkdownV2"
    },
    {
      "type": "photo",
      "caption": "This is markdown text2 with a link [Link 2](https://www.example.com)",
      "media": "https://www.cameraegg.org/wp-content/uploads/2015/06/canon-powershot-g3-x-sample-images-1.jpg",
      "parse_mode": "MarkdownV2"
    }
  ],
  "chat_id": "{RECEIVER_ID}"
}
EOF
Screenshots and Videos

https://i.ibb.co/p2Z8DyB/Link-issue.jpg

Environment

Device: iPhone 7

iOS version: 13.3.1

App version: 6.1.2

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the issue with the provided curl request on an iPhone, comparing a multi-item media gallery with a single-media message. Trace the iOS handling of MarkdownV2 captions and media-gallery messages; done means inline links in each gallery caption are clickable and open after confirmation.

Written by the indexing model from the issue text.

Assessment

Tech stack
swift
Domain
mobile
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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