assign-on-comment.yml

name: Assign on Comment

on:
  issue_comment:
    types: [created]

jobs:
  # Job 1: Any contributor can self-assign
  self-assign:
    # Only run if the comment is exactly '/assign'
    if: startsWith(github.event.comment.body, '/assign') && !contains(github.event.comment.body, '@')
    runs-on: ubuntu-latest
    permissions:
      issues: write
    steps:
      - name: Assign commenter to the issue
        uses: actions/github-script@v7
        with:
          script: |
            // Assign the commenter as the assignee
            await github.rest.issues.addAssignees({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              assignees: [context.actor]
            });
            // Add a rocket (🚀) reaction to indicate success
            await github.rest.reactions.createForIssueComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              comment_id: context.payload.comment.id,
              content: 'rocket'
            });

  # Job 2: Admin can assign others
  assign-others:
    # Only run if the comment starts with '/assign @' and the commenter is in the admin group
    if: startsWith(github.event.comment.body, '/assign @') && contains(fromJson('["OWNER", "COLLABORATOR", "MEMBER"]'), github.event.comment.author_association)
    runs-on: ubuntu-latest
    permissions:
      issues: write
    steps:
      - name: Assign mentioned user
        uses: actions/github-script@v7
        with:
          script: |
            const mention = context.payload.comment.body.split(' ')[1];
            const assignee = mention.substring(1); // Remove '@'
            // Assign the mentioned user as the assignee
            await github.rest.issues.addAssignees({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              assignees: [assignee]
            });
            // Add a thumbs up (+1) reaction to indicate success
            await github.rest.reactions.createForIssueComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              comment_id: context.payload.comment.id,
              content: '+1'
            });