assign_or_assign.yml

name: Assign-or-Unassign-Issue
# Ref: https://docs.github.com/en/rest/issues/assignees#about-the-issue-assignees-api
# Ref: https://docs.github.com/en/actions/using-workflows/about-workflows
# Ref permissions: https://docs.github.com/en/actions/security-guides/automatic-token-authentication
on:
  issue_comment:
    types: created 
    
permissions:
  issues: write
  
jobs:
  issue_assign_job:
    runs-on: ubuntu-latest
    steps: 
    # This job only runs for issue comments.
    - if: github.event.comment.body == 'take' && !github.event.issue.pull_request
      run: |
        echo "Assigning issue ${{ github.event.issue.number }} to ${{ github.event.comment.user.login }}"
        curl \
          -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
          -d '{"assignees": ["${{ github.event.comment.user.login }}"]}' https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.issue.number }}/assignees
    
    # This job only runs for issue comments.
    - if: github.event.comment.body == 'remove' && !github.event.issue.pull_request
      run: |
        echo "Unassigning issue ${{ github.event.issue.number }} from ${{ github.event.comment.user.login }}"
        curl \
          -X DELETE \
          -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
          -d '{"assignees": ["${{ github.event.comment.user.login }}"]}' https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.issue.number }}/assignees