identify_spam_prs.yml

name: Restrict Contributor to limited contributions in APIVerse

on:
  pull_request_target:
    types:
      - opened

jobs:
  evaluate_and_close:
    runs-on: ubuntu-latest

    steps:
      - name: Check merged pull requests and calculate score
        id: calculate_score
        uses: actions/github-script@v4
        with:
          github-token: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
          script: |
            const owner = context.repo.owner;
            const repo = context.repo.repo;
            const pullRequestOpener = context.payload.pull_request.user.login;

            let mergedPullRequests = [];
            let page = 1;
            let perPage = 100;
            let response;

            do {
              response = await github.pulls.list({
                owner,
                repo,
                state: 'closed',
                per_page: perPage,
                page: page
              });

              mergedPullRequests = mergedPullRequests.concat(response.data.filter(pr => pr.user.login === pullRequestOpener && pr.merged_at !== null));
              page++;
            } while (response.data.length === perPage);

            let score = 0;
            let prDetails = [];
            const scoreMap = {
              'level3': 45,
              'level2': 25,
              'level1': 10  
            };

            for (const pr of mergedPullRequests) {
              let prScore = 0;
              let labelsWithScores = [];
              for (const label of pr.labels) {
                if (scoreMap[label.name]) {
                  prScore += scoreMap[label.name];
                  labelsWithScores.push(`${label.name} score: (${scoreMap[label.name]})`);
                }
              }
              score += prScore;
              if (labelsWithScores.length > 0) {
                prDetails.push(`- [#${pr.number}](${pr.html_url}) with labels: ${labelsWithScores.join(', ')}`);
              }
            }

            const threshold = 150;

            console.log(`User score: ${score}`);
            console.log(`Score threshold: ${threshold}`);

            if (score >= threshold) {
              const comment = `Hey @${pullRequestOpener}, You have reached your limit to contribute in APIVerse with a score of ${score}. \n We believe in giving equal opportunity to everyone so you will not be able to contribute to APIVerse now onwards. 💗 \n Thank you for your valuable time and contribution in APIVerse 😀! \n\n Your merged pull requests:\n${prDetails.join('\n')}`;
              core.exportVariable('comment_body', comment);
              core.setOutput('close_pull_request', true);
            } else {
              core.exportVariable('comment_body', '');
              core.setOutput('close_pull_request', false);
            }

      - name: Add spam label and close the pull request
        if: always() && steps.calculate_score.outputs.close_pull_request == 'true'
        uses: actions/github-script@v4
        with:
          github-token: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
          script: |
            const owner = context.repo.owner;
            const repo = context.repo.repo;
            const pullRequestNumber = context.payload.pull_request.number;
            const comment = process.env.comment_body;

            if (comment.trim() === '') {
              console.log('Comment body is empty. Skipping comment creation.');
              return;
            }

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

            await github.issues.addLabels({
              owner,
              repo,
              issue_number: pullRequestNumber,
              labels: ['spam🚨']
            });

            await github.pulls.update({
              owner,
              repo,
              pull_number: pullRequestNumber,
              state: 'closed'
            });