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feat: add AI code review workflow #2
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| name: AI Code Review | |
| on: | |
| workflow_dispatch: | |
| pull_request: | |
| branches: [main] | |
| permissions: | |
| contents: read | |
| pull-requests: write | |
| jobs: | |
| ai-code-review: | |
| runs-on: ubuntu-latest | |
| timeout-minutes: 15 | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| - name: Get changed files | |
| id: changed | |
| run: | | |
| BASE_REF="${GITHUB_BASE_REF:-main}" | |
| echo "base_ref=$BASE_REF" >> "$GITHUB_OUTPUT" | |
| CHANGED=$(git diff --name-only "origin/$BASE_REF...HEAD") | |
| echo "$CHANGED" > changed_files.txt | |
| COUNT=$(echo "$CHANGED" | wc -l) | |
| echo "count=$COUNT" >> "$GITHUB_OUTPUT" | |
| echo "Changed files ($COUNT):" | |
| echo "$CHANGED" | |
| - name: AI Code Review | |
| id: review | |
| env: | |
| SENSENOVA_API_KEY: ${{ secrets.SENSENOVA_API_KEY }} | |
| run: | | |
| BASE_REF="${GITHUB_BASE_REF:-main}" | |
| # ── Inline system prompt ── | |
| SYSTEM_PROMPT=$(cat .github/prompts/code-review-prompt.md) | |
| REVIEW_FILE="review_output.md" | |
| : > "$REVIEW_FILE" | |
| HAS_REVIEW=false | |
| FILE_COUNT=0 | |
| CHANGED_FILES=$(cat changed_files.txt) | |
| if [ -z "$CHANGED_FILES" ]; then | |
| echo "No files changed, skipping review." >> "$REVIEW_FILE" | |
| else | |
| while IFS= read -r FILE; do | |
| [ -z "$FILE" ] && continue | |
| echo "Reviewing: $FILE" | |
| # ── Get per-file diff ── | |
| DIFF=$(git diff "origin/$BASE_REF...HEAD" -- "$FILE" 2>/dev/null || true) | |
| if [ -z "$DIFF" ]; then | |
| echo " [SKIP] $FILE — no diff (binary or unchanged)" | |
| continue | |
| fi | |
| # ── Checkif binary ── | |
| if echo "$DIFF" | head -1 | grep -q "^Binary files"; then | |
| echo " [SKIP] $FILE — binary file" | |
| continue | |
| fi | |
| # ── Build user message ── | |
| USER_MSG="请 review 以下文件变更：\n\n文件: $FILE\n\n\`\`\`diff\n$DIFF\n\`\`\`" | |
| # ── Escape for JSON ── | |
| # Use jq to build the payload safely | |
| PAYLOAD=$(jq -n \ | |
| --arg model "deepseek-v4-flash" \ | |
| --arg system "$SYSTEM_PROMPT" \ | |
| --arg user "$USER_MSG" \ | |
| '{ | |
| model: $model, | |
| messages: [ | |
| {role: "system", content: $system}, | |
| {role: "user", content: $user} | |
| ], | |
| stream: false | |
| }') | |
| # ── Call SenseNova API ── | |
| RESPONSE=$(curl -s -w "\n%{http_code}" \ | |
| "https://token.sensenova.cn/v1/chat/completions" \ | |
| -H "Authorization: Bearer $SENSENOVA_API_KEY" \ | |
| -H "Content-Type: application/json" \ | |
| -d "$PAYLOAD") | |
| HTTP_CODE=$(echo "$RESPONSE" | tail -1) | |
| BODY=$(echo "$RESPONSE" | sed '$d') | |
| if [ "$HTTP_CODE" != "200" ]; then | |
| echo " [ERROR] HTTP $HTTP_CODE for $FILE" | |
| echo " Response: $(echo "$BODY" | head -5)" | |
| continue | |
| fi | |
| # ── Extract review text from response ── | |
| REVIEW_TEXT=$(echo "$BODY" | jq -r '.choices[0].message.content // empty') | |
| if [ -z "$REVIEW_TEXT" ]; then | |
| echo " [WARN] Empty response for $FILE" | |
| continue | |
| fi | |
| # ── Append to review output ── | |
| { | |
| echo "## 📁 \`$FILE\`" | |
| echo "" | |
| echo "$REVIEW_TEXT" | |
| echo "" | |
| echo "---" | |
| echo "" | |
| } >> "$REVIEW_FILE" | |
| HAS_REVIEW=true | |
| FILE_COUNT=$((FILE_COUNT + 1)) | |
| echo " [OK] Review completed for $FILE" | |
| done <<< "$CHANGED_FILES" | |
| fi | |
| # ── Final summary ── | |
| if [ "$HAS_REVIEW" = false ]; then | |
| printf '%s\n' '## 🤖 AI Code Review' '' 'No reviewable changes found (all files binary, unchanged, or empty).' > "$REVIEW_FILE" | |
| else | |
| SUMMARY=$(printf '# 🤖 AI Code Review\n\n> 共审查 **%s** 个变更文件\n\n' "${FILE_COUNT}") | |
| { | |
| echo "$SUMMARY" | |
| echo "" | |
| cat "$REVIEW_FILE" | |
| } > "${REVIEW_FILE}.tmp" && mv "${REVIEW_FILE}.tmp" "$REVIEW_FILE" | |
| fi | |
| echo "Review written to $REVIEW_FILE" | |
| - name: Post review comment | |
| uses: actions/github-script@v7 | |
| with: | |
| github-token: ${{ secrets.GITHUB_TOKEN }} | |
| script: | | |
| const fs = require('fs'); | |
| const reviewFile = 'review_output.md'; | |
| if (!fs.existsSync(reviewFile)) { | |
| console.log('No review output file found, skipping comment.'); | |
| return; | |
| } | |
| const reviewBody = fs.readFileSync(reviewFile, 'utf8').trim(); | |
| if (!reviewBody) { | |
| console.log('Empty review output, skipping comment.'); | |
| return; | |
| } | |
| // For pull_request events, get the PR number | |
| let issueNumber; | |
| if (context.payload.pull_request) { | |
| issueNumber = context.payload.pull_request.number; | |
| } else { | |
| console.log('Not a pull request event, skipping comment.'); | |
| return; | |
| } | |
| // Check if we already have a review comment from this workflow | |
| const comments = await github.rest.issues.listComments({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: issueNumber, | |
| per_page: 100, | |
| }); | |
| const botComment = comments.data.find(c => | |
| c.user.type === 'Bot' && | |
| c.body.startsWith('# 🤖 AI Code Review') | |
| ); | |
| if (botComment) { | |
| // Update existing comment | |
| await github.rest.issues.updateComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| comment_id: botComment.id, | |
| body: reviewBody, | |
| }); | |
| console.log('Updated existing review comment.'); | |
| } else { | |
| // Create new comment | |
| await github.rest.issues.createComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: issueNumber, | |
| body: reviewBody, | |
| }); | |
| console.log('Created new review comment.'); | |
| } |