documenso/.github/workflows/pr-count.yml

# Triggered with '/pr-count @username'
name: "PR Count"

on:
  issue_comment:
    types: [created]

permissions:
  pull-requests:  write

jobs:
  countPRs:
    if: ${{ github.event.issue.pull_request }}
    runs-on: ubuntu-latest
    env:
      MY_ENV_VARIABLE: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'
          
      - name: Install Octokit
        run: npm install @octokit/rest@18
        
      - name: Parse comment and count PRs
        id: parse-comment
        uses: actions/github-script@v5
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const { Octokit } = require("@octokit/rest");
            const octokit = new Octokit({ auth: process.env.GITHUB_TOKEN });
            
            const comment = context.payload.comment.body.trim();
            const regex = /^\/pr-count @(\S+)/;
            const match = comment.match(regex);
            
            if (match) {
              const username = match[1];
              console.log(`Username extracted: ${username}`);
              
              const { data: pullRequests } = await octokit.pulls.list({
                owner: context.repo.owner,
                repo: context.repo.repo,
                creator: username,
                state: 'open'
              });
              
              const prCount = pullRequests.length;
              console.log(`PR count for ${username}: ${prCount}`);
              
              const issueCommentId = context.payload.comment.id;
              console.log(`Issue comment ID: ${issueCommentId}`);
              
              const prCountMessage = `@${username} has ${prCount} open pull requests created.`;

              await octokit.request('POST /repos/{owner}/{repo}/issues/{issue_number}/comments', {
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                body: prCountMessage,
                headers: {
                    'Authorization': `token ${{ secrets.GITHUB_TOKEN }}`,
                }
              });
            } else {
              console.log('No valid username found in the comment');
            }