auto-fix-linting.yml

name: Auto-fix linting issues

on:
  issue_comment:
    types: [created]

jobs:
  auto-fix-linting:
    # Only run on pull request comments with the trigger phrase
    if: github.event.issue.pull_request && contains(github.event.comment.body, '/fix-linting')
    runs-on: ubuntu-latest

    permissions:
      contents: write
      pull-requests: write

    env:
      COMPOSE_PROGRESS: plain

    steps:
      - name: Check user permissions
        id: permission
        uses: actions/github-script@v9
        with:
          script: |
            const { data: collaboration } = await github.rest.repos.getCollaboratorPermissionLevel({
              owner: context.repo.owner,
              repo: context.repo.repo,
              username: context.payload.comment.user.login,
            });

            const hasPermission = ['admin', 'write'].includes(collaboration.permission);
            if (!hasPermission) {
              core.setFailed('User does not have write permissions to trigger linting fixes');
            }
            return hasPermission;

      - name: Get PR details
        id: pr
        uses: actions/github-script@v9
        with:
          script: |
            const pr = await github.rest.pulls.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number,
            });
            return {
              head_ref: pr.data.head.ref,
              head_sha: pr.data.head.sha,
              base_ref: pr.data.base.ref
            };

      - name: Checkout PR branch
        uses: actions/checkout@v6
        with:
          ref: ${{ fromJson(steps.pr.outputs.result).head_ref }}
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.11"

      - name: Install pre-commit and linting tools
        run: |
          pip install pre-commit black flake8 isort mypy

      - name: Set up Docker environment
        run: |
          echo "" > .envrc
          echo CONFIG_PATH=data/config/openfoodfacts.yml >> .envrc
          echo OFF_API_URL=https://world.openfoodfacts.org >> .envrc
          echo ALLOWED_ORIGINS='http://localhost,http://127.0.0.1' >> .envrc
          echo USER_UID=$(id -u) >> .envrc
          echo USER_GID=$(id -g) >> .envrc

      - name: Build Docker containers for frontend linting
        run: make build
        continue-on-error: true

      - name: Run backend linting fixes
        run: |
          # Run black to fix Python formatting
          black app/ tests/ --line-length=88 || true
          # Run isort to fix import ordering
          isort app/ tests/ --profile black || true
        continue-on-error: true

      - name: Run frontend linting fixes
        run: |
          # Run frontend linting if Docker is available
          make lint_front || echo "Frontend linting skipped (Docker not available)"
        continue-on-error: true

      - name: Check for changes
        id: changes
        run: |
          git config --global user.name 'github-actions[bot]'
          git config --global user.email 'github-actions[bot]@users.noreply.github.com'

          if [[ $(git status --porcelain) ]]; then
            echo "changes=true" >> $GITHUB_OUTPUT
            echo "Found changes to commit"
          else
            echo "changes=false" >> $GITHUB_OUTPUT
            echo "No changes found"
          fi

      - name: Commit and push changes
        if: steps.changes.outputs.changes == 'true'
        run: |
          git add .
          git commit -m "Auto-fix linting issues

          Triggered by comment from @${{ github.event.comment.user.login }}

          Co-authored-by: ${{ github.event.comment.user.login }} <${{ github.event.comment.user.login }}@users.noreply.github.com>"
          git push

      - name: Comment on PR
        uses: actions/github-script@v9
        with:
          script: |
            const changes = '${{ steps.changes.outputs.changes }}';
            const message = changes === 'true'
              ? '✅ Linting issues have been automatically fixed and committed to this PR!'
              : '✅ No linting issues found that could be automatically fixed.';

            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: message
            });