grading.yml

name: 自动评分系统

on:
  pull_request_target:
    types: [opened, synchronize, reopened]
  push:
    branches:
      - main
  workflow_dispatch:

permissions:
  contents: read
  pull-requests: write
  issues: write

jobs:
  grading:
    runs-on: ubuntu-latest
    timeout-minutes: 10

    steps:
    - name: 检出代码
      uses: actions/checkout@v4.2.2
      with:
        ref: ${{ github.event.pull_request.head.sha || github.sha }}

    - name: 设置Python环境
      uses: actions/setup-python@v5.6.0
      with:
        python-version: '3.11'

    - name: 安装依赖
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements.txt

    - name: 运行环境测试
      continue-on-error: true
      run: python src/test_environment.py

    - name: 运行Part 1测试
      continue-on-error: true
      run: |
        python -m pytest grading/test_part1_coding.py -v --tb=short > part1_result.txt 2>&1
        cat part1_result.txt

    - name: 运行Part 2测试
      continue-on-error: true
      run: |
        python -m pytest grading/test_part2_equalization.py -v --tb=short > part2_result.txt 2>&1
        cat part2_result.txt

    - name: 检查实验报告
      continue-on-error: true
      run: |
        python grading/check_report.py > report_result.txt 2>&1
        cat report_result.txt

    - name: 代码质量检查
      continue-on-error: true
      run: |
        python -m pylint src/part1_channel_coding.py src/part2_equalization.py --score=y > pylint_result.txt 2>&1 || true
        cat pylint_result.txt

    - name: 计算总评分
      run: |
        python grading/calculate_grade.py > grade_result.txt 2>&1
        cat grade_result.txt

    - name: 上传评分报告
      if: always()
      uses: actions/upload-artifact@v4.6.2
      with:
        name: grading-report-${{ github.event.pull_request.user.login || github.actor }}
        if-no-files-found: warn
        path: |
          grade_report.json
          grade_result.txt
          part1_result.txt
          part2_result.txt
          report_result.txt
          pylint_result.txt
          results/*.png

    - name: 写入评分摘要
      if: always()
      run: |
        echo "## 🤖 自动评分结果" >> $GITHUB_STEP_SUMMARY
        if [ -f grade_result.txt ]; then
          echo '```' >> $GITHUB_STEP_SUMMARY
          cat grade_result.txt >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY
        else
          echo "评分报告未生成，请查看前序步骤日志。" >> $GITHUB_STEP_SUMMARY
        fi

    - name: 评论PR
      if: github.event_name == 'pull_request_target'
      continue-on-error: true
      uses: actions/github-script@v7.0.1
      with:
        script: |
          const fs = require('fs');
          const readFile = (path, maxLength) => {
            try {
              return fs.readFileSync(path, 'utf8').substring(0, maxLength);
            } catch (error) {
              return `${path} 未生成，请查看 Actions 日志。`;
            }
          };
          const student = context.payload.pull_request.user.login;
          const comment = [
            '## 🤖 自动评分结果',
            '',
            `**提交者**: @${student}`,
            '',
            '```',
            readFile('grade_result.txt', 4000),
            '```',
            '',
            '<details><summary>Part 1 测试详情</summary>',
            '',
            '```',
            readFile('part1_result.txt', 2000),
            '```',
            '</details>',
            '',
            '<details><summary>Part 2 测试详情</summary>',
            '',
            '```',
            readFile('part2_result.txt', 2000),
            '```',
            '</details>',
            '',
            '完整评分报告可在 Actions Artifacts 中下载。'
          ].join('\n');
          try {
            await github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: comment
            });
          } catch (error) {
            core.warning(`PR评论失败：${error.message}。评分结果已写入 Actions Summary，并上传到 Artifacts。`);
          }