Get attachment from issue comment

[giorgio1980]

Hello,
is there a way to get the attachment contained in an issue comment?

The only api I find is related to the files contained in the repository.

Thanks

[ossanna16]

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[LangLangBart]

There is no handy way to do it via the GraphQL API (or it is well hidden).

---

Alternative:

You could try:

• to get the node id of the comment,
• get the bodyHTML text of the comment,
• grep for src="..." and
• download the file(s)

Example.

QUERY_1

Lets get the attachment from this comment made by cristiand391: cli/cli#3089 (comment)

{
  repository(owner: "cli", name: "cli") {
    issue(number: 3089) {
      comments(first: 100) {
        nodes {
          author{login}
          id
        }
      }
    }
  }
}

RESULT_1

{
  "data": {
    "repository": {
      "issue": {
        "comments": {
          "nodes": [
            {
              "author": {
                "login": "mislav"
              },
              "id": "MDEyOklzc3VlQ29tbWVudDc5MTUyMTc0NQ=="
            },
            {
              "author": {
                "login": "karlb"
              },
              "id": "MDEyOklzc3VlQ29tbWVudDc5MTYyNTQzMw=="
            },
            {
              "author": {
                "login": "karlb"
              },
              "id": "MDEyOklzc3VlQ29tbWVudDgwMTgwMzQyNA=="
            },
            {
              "author": {
                "login": "mislav"
              },
              "id": "MDEyOklzc3VlQ29tbWVudDgwMTk0NzYyNQ=="
            },
            {
              "author": {
                "login": "mislav"
              },
              "id": "MDEyOklzc3VlQ29tbWVudDgwMTk1NDQ3MQ=="
            },
            {
              "author": {
                "login": "karlb"
              },
              "id": "MDEyOklzc3VlQ29tbWVudDgwMjAyMTk2NA=="
            },
            {
              "author": {
                "login": "mislav"
              },
              "id": "MDEyOklzc3VlQ29tbWVudDgwMjAyMjkxNw=="
            },
            {
              "author": {
                "login": "karlb"
              },
              "id": "MDEyOklzc3VlQ29tbWVudDgwMjAyNTM3OA=="
            },
            {
              "author": {
                "login": "cristiand391"
              },
              "id": "MDEyOklzc3VlQ29tbWVudDgwMjMxNDEzOA=="
            },
            {
              "author": {
                "login": "mislav"
              },
              "id": "MDEyOklzc3VlQ29tbWVudDgwMjg2NDIwMg=="
            },
            {
              "author": {
                "login": "ayushnix"
              },
              "id": "IC_kwDODKw3uc4-aI0y"
            },
            {
              "author": {
                "login": "mislav"
              },
              "id": "IC_kwDODKw3uc4-aebC"
            },
            {
              "author": {
                "login": "ayushnix"
              },
              "id": "IC_kwDODKw3uc4-afUI"
            }
          ]
        }
      }
    }
  }
}

QUERY_2

Get the bodyHTML for the comment from cristiand391 with the node ID MDEyOklzc3VlQ29tbWVudDgwMjMxNDEzOA==

query ($id: ID!) {
  node(id: $id) {
    ... on IssueComment {
      bodyHTML
    }
  }
}

RESULT_2

{
  "data": {
    "node": {
      "bodyHTML": "<p dir=\"auto\">I was able to reproduce this behaviour with Alacritty + <code class=\"notranslate\">clrs-light</code> theme + tmux.</p>\n<p dir=\"auto\"><code class=\"notranslate\">gh issue view 3089 -R cli/cli</code></p>\n<p dir=\"auto\">Left: Alacritty + tmux ----------------------- Right: Alacritty</p>\n<p dir=\"auto\"><a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"https://user-images.githubusercontent.com/6853656/111698152-6340db00-882e-11eb-8f68-85c31c8d044b.png\"><img src=\"https://user-images.githubusercontent.com/6853656/111698152-6340db00-882e-11eb-8f68-85c31c8d044b.png\" alt=\"Screenshot_2021-03-18_18-03-25\" style=\"max-width: 100%;\"></a></p>\n<div class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"alacritty --version\nalacritty 0.6.0-dev (b39c791)\n\ntmux -V\ntmux 2.6\"><pre class=\"notranslate\"><code>alacritty --version\nalacritty 0.6.0-dev (b39c791)\n\ntmux -V\ntmux 2.6\n</code></pre></div>"
    }
  }
}

Extract and download links (using gh, curl and pcregrep)

# bash
bodyHTML=$(gh api graphql --field id="MDEyOklzc3VlQ29tbWVudDgwMjMxNDEzOA==" --raw-field query="$QUERY_2" --jq '.data.node.bodyHTML')
LIST_LINKS=()
while IFS='' read -r line; do LIST_LINKS+=("$line"); done < <(pcregrep -o '(?<=src=\")[^"]*' <<<"$bodyHTML")
for link in "${LIST_LINKS[@]}"; do curl "$link" --output "${link/*\//}"; done

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