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Add JSON-based AI reviewer with workflow automation #20

Add JSON-based AI reviewer with workflow automation

Add JSON-based AI reviewer with workflow automation #20

name: AI Code Reviewer
on:
pull_request:
types: [labeled]
jobs:
comprehensive-review:
name: 🤖 AI Code Review
runs-on: ubuntu-latest
if: github.event.action == 'labeled' && github.event.label.name == 'ai_code_review'
permissions:
contents: read
pull-requests: write
issues: write
steps:
- name: Checkout repository
uses: actions/checkout@v5
with:
fetch-depth: 0
- name: Install dependencies
run: |
sudo apt-get update
sudo apt-get install -y jq
- name: Get PR diff
run: |
# Fetch the base branch (works for any target branch, not just main)
git fetch origin ${{ github.event.pull_request.base.ref }}
git diff origin/${{ github.event.pull_request.base.ref }}...HEAD --no-color > diff.txt
- name: AI Code Review
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
OPENROUTER_API_KEY: ${{ secrets.OPENROUTER_API_KEY }}
AI_MODEL: z-ai/glm-4.6
AI_TEMPERATURE: 0.1
AI_MAX_TOKENS: 2000
MAX_DIFF_SIZE: 800000
PR_NUMBER: ${{ github.event.pull_request.number }}
REPO_FULL_NAME: ${{ github.repository }}
FAIL_ON_REQUESTED_CHANGES: ${{ vars.FAIL_ON_REQUESTED_CHANGES || 'false' }}
run: |
# Run the AI reviewer and save response to file
echo "Running AI code review..."
AI_RESPONSE=$(cat diff.txt | bash ai-reviewer.sh)
# Debug: Show what AI returned
echo "=== AI RESPONSE START ==="
echo "$AI_RESPONSE"
echo "=== AI RESPONSE END ==="
# Save response for debugging
echo "$AI_RESPONSE" > ai_response.txt
# Check if AI_RESPONSE is empty
if [ -z "$AI_RESPONSE" ]; then
echo "❌ AI response is empty"
exit 1
fi
# Parse JSON response
if ! echo "$AI_RESPONSE" | jq . >/dev/null 2>&1; then
echo "⚠️ AI response is not valid JSON. Posting raw response for debugging."
echo "$AI_RESPONSE" | gh pr comment ${{ github.event.pull_request.number }} --repo ${{ github.repository }} -F -
exit 1
fi
# Extract fields from JSON
REVIEW=$(echo "$AI_RESPONSE" | jq -r '.review // "No review provided"')
DECISION=$(echo "$AI_RESPONSE" | jq -r '.fail_pass_workflow // "uncertain"')
LABELS=$(echo "$AI_RESPONSE" | jq -r '.labels_added[]? // empty')
# Post the review as PR comment
echo "$REVIEW" | gh pr comment ${{ github.event.pull_request.number }} --repo ${{ github.repository }} -F -
# Add labels to PR
for label in $LABELS; do
gh label create "$label" --color "0366d6" --description "Auto-created by AI reviewer" 2>/dev/null || true
gh issue edit ${{ github.event.pull_request.number }} --add-label "$label" 2>/dev/null || true
done
# Handle workflow decision
echo "AI decision: $DECISION"
if [ "$FAIL_ON_REQUESTED_CHANGES" = "true" ] && [ "$DECISION" = "fail" ]; then
echo "❌ AI requested changes and FAIL_ON_REQUESTED_CHANGES is enabled. Failing workflow."
exit 1
fi
echo "✅ AI review completed successfully"
- name: Cleanup
if: always()
run: |
rm -f diff.txt ai_response.txt