prevent_multiple_issues.yml

name: Close Issue if Opener has Opened Issues

on:
  issues:
    types:
      - opened

jobs:
  close_issue:
    runs-on: ubuntu-latest

    steps:
      - name: Check if opener has multiple open issues
        id: check_open_issues
        uses: actions/github-script@v4
        with:
          github-token: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
          script: |
            const { context, github } = require('@actions/github');
            const core = require('@actions/core');
            
            const owner = context.repo.owner;
            const repo = context.repo.repo;
            const issueNumber = context.issue.number;
            const issueOpener = context.payload.issue.user.login;

            const previousIssuesResponse = await github.request('GET /repos/{owner}/{repo}/issues', {
              owner,
              repo,
              state: 'open',
              creator: issueOpener
            });

            const previousOpenIssues = previousIssuesResponse.data.filter(issue => issue.number !== issueNumber && !issue.pull_request);
            const previousOpenIssueNumbers = previousOpenIssues.map(issue => `#${issue.number}`);
            const openerName = context.payload.issue.user.login;

            const closeIssue = previousOpenIssues.length > 0;
            console.log(`Close issue: ${closeIssue}`);

            if (closeIssue) {
              const comment = `Hey @${openerName}, You can't have another issue before completing the previous one 😀 \n you already have the following ${previousOpenIssues.length} open issues 👀 ! :\n\n${previousOpenIssueNumbers.join('\n')}`;
              core.exportVariable('comment_body', comment); // Export the variable
              core.setOutput('close_issue', true);
            } else {
              core.exportVariable('comment_body', '');
              core.setOutput('close_issue', false);
            }

      - name: Close the issue and add a comment
        if: always() && ${{ needs.check_open_issues.outputs.close_issue }}
        uses: actions/github-script@v4
        with:
          github-token: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
          script: |
            const { context, github } = require('@actions/github');
            const core = require('@actions/core');
            
            const owner = context.repo.owner;
            const repo = context.repo.repo;
            const issueNumber = context.issue.number;
            const comment = process.env.comment_body; // Retrieve the exported variable
            
            if (comment.trim() === '') {
              console.log('Comment body is empty. Skipping comment creation.');
              return;
            }

            const closeComment = `${comment}`;

            await github.issues.createComment({
              owner,
              repo,
              issue_number: issueNumber,
              body: closeComment
            });

            await github.issues.update({
              owner,
              repo,
              issue_number: issueNumber,
              state: 'closed'
            });