dn-rule.yml

name: PR Label Automation
on:
  schedule:
    - cron: '0 10 * * *'

jobs:
  update-labels:
    runs-on: ubuntu-latest
    steps:
      - name: Check and Update PR Labels
        uses: actions/github-script@v5
        with:
          script: |
            const repo = context.repo;

            // Fetch all open PRs
            const prs = await github.rest.pulls.list({
              owner: repo.owner,
              repo: repo.repo,
              state: 'open',
            });

            // Define the Discord webhook URL
            const webhookUrl = 'https://discord.com/api/webhooks/1273159249672802304/vU5b6gC9bAHzyLXzWRzV7YqjIVCtO5_gLJ1URonjnbqn45Xa5kixYT1vMWxwLXqFi2y3';

            for (const pr of prs.data) {
              const prNumber = pr.number;
              let labels = pr.labels.map(label => label.name);

              // Function to update label
              async function updateLabel(oldLabel, newLabel) {
                if (oldLabel) {
                  await github.rest.issues.removeLabel({
                    owner: repo.owner,
                    repo: repo.repo,
                    issue_number: prNumber,
                    name: oldLabel,
                  });
                }
                await github.rest.issues.addLabels({
                  owner: repo.owner,
                  repo: repo.repo,
                  issue_number: prNumber,
                  labels: [newLabel],
                });
              }

              // Check and update 'D-x' labels
              let dLabel = labels.find(label => label.startsWith("D-"));
              if (dLabel) {
                let day = parseInt(dLabel.split("-")[1]);
                if (day > 0) {
                  const newDayLabel = `D-${day - 1}`;
                  await updateLabel(dLabel, newDayLabel);
                  console.log(`Updated label from ${dLabel} to ${newDayLabel} on PR #${prNumber}`);

                  // Send a notification to Discord
                  await fetch(webhookUrl, {
                    method: 'POST',
                    headers: {
                      'Content-Type': 'application/json',
                    },
                    body: JSON.stringify({
                      username: 'PR Bot',
                      avatar_url: 'https://avatars.githubusercontent.com/u/9919?s=200&v=4',
                      embeds: [
                        {
                          title: `📢 **PR #${prNumber} - ${pr.title} Review D-${day - 1}** 📢`,
                          description: `리뷰를 작성해주세요! 리뷰 작성 기간이 ${day - 1}일 남았습니다.`,
                          url: pr.html_url,
                          color: 4620980,
                          footer: {
                            text: `D-day가 업데이트 되었습니다. ${dLabel} → ${newDayLabel}`
                          }
                        }
                      ]
                    })
                  });
                } else if (day === 0) {
                  await fetch(webhookUrl, {
                    method: 'POST',
                    headers: {
                      'Content-Type': 'application/json',
                    },
                    body: JSON.stringify({
                      username: 'PR Bot',
                      avatar_url: 'https://avatars.githubusercontent.com/u/9919?s=200&v=4',
                      embeds: [
                        {
                          title: `❗ **PR #${prNumber} - ${pr.title} Review D-0** ❗`,
                          description: `리뷰 마감일이 지났습니다! 리뷰를 작성해주세요.`,
                          url: pr.html_url,
                          color: 4620980,
                          footer: {
                            text: `D-day 상태: D-0`
                          }
                        }
                      ]
                    })
                  });
                }
              } else {
                await updateLabel(null, 'D-3');
              }
            }