issue-reopen.yaml

name: Issue - reopen on comment

on:
  issue_comment:
    types: [created]

permissions:
  issues: write

jobs:
  reopen-issue:
    if: github.event.issue.state == 'closed'
    runs-on: ubuntu-latest

    steps:
      - name: Check and Compare Timestamps
        id: check
        uses: actions/github-script@v7
        with:
          script: |
            const issue = await github.rest.issues.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.payload.issue.number
            });

            const closedAt = new Date(issue.data.closed_at).getTime();
            const commentAt = new Date(context.payload.comment.created_at).getTime();
            const commenter = context.payload.comment.user.login;

            // Allowed bots
            const isSystemUser = ['ui5-webcomponents-bot', 'github-actions[bot]'].includes(commenter);

            const fs = require('fs');
            fs.appendFileSync(process.env.GITHUB_OUTPUT, `shouldReopen=${!isSystemUser && commentAt > closedAt}\n`);

      - name: Reopen Issue
        if: steps.check.outputs.shouldReopen == 'true'
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.update({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.payload.issue.number,
              state: 'open'
            })