unassign-stale-issue.yml

name: Unassign Stale Issues

on:
  schedule:
    - cron: "0 0 * * *" # Runs daily at midnight

jobs:
  unassign-issues:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Unassign Stale Issues
        run: |
          open_issues=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            "https://api.github.com/repos/${{ github.repository }}/issues?state=open" \
            | jq -r '.[] | select(.assignee != null) | .number')
          
          for issue in $open_issues; do
            # Get the last updated timestamp of the issue
            last_updated=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
              "https://api.github.com/repos/${{ github.repository }}/issues/$issue" \
              | jq -r '.updated_at')
            days_since_update=$(( ( $(date +%s) - $(date -d "$last_updated" +%s) ) / 86400 ))
            
            if [ $days_since_update -gt 40 ]; then
              current_assignee=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
                "https://api.github.com/repos/${{ github.repository }}/issues/$issue" \
                | jq -r '.assignee.login')
              
              # Unassign the current assignee
              curl -s -X DELETE -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
                -H "Accept: application/vnd.github.v3+json" \
                -d "{\"assignees\":[\"$current_assignee\"]}" \
                "https://api.github.com/repos/${{ github.repository }}/issues/$issue/assignees"
              
              # Find the next assignee in the queue (mentioned in the issue body as @username)
              next_assignee=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
                "https://api.github.com/repos/${{ github.repository }}/issues/$issue" \
                | jq -r '.body' | grep -o '@[a-zA-Z0-9_-]\+' | head -n 1 | tr -d '@')
              
              if [ -n "$next_assignee" ]; then
                # Assign to the next assignee
                curl -s -X POST -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
                  -H "Accept: application/vnd.github.v3+json" \
                  -d "{\"assignees\":[\"$next_assignee\"]}" \
                  "https://api.github.com/repos/${{ github.repository }}/issues/$issue/assignees"
              fi
              
              # Add a comment mentioning the reassignment
              curl -s -X POST -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
                -H "Accept: application/vnd.github.v3+json" \
                -d "{\"body\":\"@${current_assignee} has been unassigned due to inactivity. @${next_assignee}, you have been assigned to this issue. Please make sure to update the issue within the next 15 days.\"}" \
                "https://api.github.com/repos/${{ github.repository }}/issues/$issue/comments"
            fi
          done