lock-closed-issues.yml

name: "Lock Closed Issues"

on:
  schedule:
    - cron: "0 14 * * *"  # Daily at 2pm UTC
  workflow_dispatch:  # Manual trigger

permissions:
  issues: write

concurrency:
  group: lock-closed-issues

jobs:
  lock:
    runs-on: ubuntu-latest
    steps:
      - name: Lock closed issues
        uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9
        with:
          script: |
            const daysBeforeLock = 7;

            const lockComment = `This issue has been automatically locked since it was closed and has not had any activity for ${daysBeforeLock} days.`;

            const now = new Date();
            const lockDate = new Date(now - daysBeforeLock * 24 * 60 * 60 * 1000);

            let issuesLocked = 0;
            let page = 1;

            while (true) {
              const { data: issues } = await github.rest.issues.listForRepo({
                owner: context.repo.owner,
                repo: context.repo.repo,
                state: 'closed',
                sort: 'updated',
                direction: 'asc',
                per_page: 100,
                page: page
              });

              if (issues.length === 0) break;

              for (const issue of issues) {
                // Skip pull requests
                if (issue.pull_request) continue;

                // Skip already locked issues
                if (issue.locked) continue;

                const updatedAt = new Date(issue.updated_at);

                // If recently updated, we can stop (issues are sorted oldest first)
                if (updatedAt > lockDate) break;

                try {
                  // Add lock comment
                  await github.rest.issues.createComment({
                    owner: context.repo.owner,
                    repo: context.repo.repo,
                    issue_number: issue.number,
                    body: lockComment
                  });

                  // Lock the issue
                  await github.rest.issues.lock({
                    owner: context.repo.owner,
                    repo: context.repo.repo,
                    issue_number: issue.number,
                    lock_reason: 'resolved'
                  });

                  issuesLocked++;
                  console.log(`Locked issue #${issue.number}: ${issue.title}`);
                } catch (error) {
                  console.error(`Failed to lock issue #${issue.number}: ${error.message}`);
                }
              }

              page++;
            }

            console.log(`\nSummary:`);
            console.log(`- Issues locked: ${issuesLocked}`);