pull-request.yml

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#
# NOTE!
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# Please read the README.md file in this directory that defines what should
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name: PR Workflow

on:
  pull_request:
    branches:
      - "**"

env:
  CODECOV_UNIQUE_NAME: CODECOV_UNIQUE_NAME-${{ github.run_id }}-${{ github.run_number }}

jobs:
  Code-Quality-Checks:
    name: Performs linting, formatting, type-checking, checking for different source and target branch
    runs-on: ubuntu-latest
    steps:
      - name: Checkout the Repository
        uses: actions/checkout@v4

      - name: Count number of lines
        run: |
          chmod +x ./.github/workflows/scripts/countline.py
          ./.github/workflows/scripts/countline.py --lines 600

      - name: Check if the source and target branches are different
        if: ${{ github.event.pull_request.base.ref == github.event.pull_request.head.ref }}
        run: |
          echo "Source Branch ${{ github.event.pull_request.head.ref }}"
          echo "Target Branch ${{ github.event.pull_request.base.ref }}"
          echo "Error: Source and Target Branches are the same. Please ensure they are different."
          echo "Error: Close this PR and try again."
          exit 1

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: 3.9

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install flake8 black pydocstyle flake8-docstrings

      - name: Run Black Formatter Check
        run: |
          black --check .

      - name: Run Flake8 Linter
        run: |
          flake8 --docstring-convention google switchmap bin setup tests .github --ignore E402,E722,E203,F401,W503

      - name: Run pydocstyle
        run: |
          pydocstyle switchmap setup bin tests --convention=google --add-ignore=D415,D205

  Check-Sensitive-Files:
    if: ${{ github.actor != 'dependabot[bot]' && !contains(github.event.pull_request.labels.*.name, 'ignore-sensitive-files-pr') }}
    name: Checks if sensitive files have been changed without authorization
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Get Changed Unauthorized files
        id: changed-unauth-files
        uses: tj-actions/changed-files@v45
        with:
          files: |
            .env*
            .github/**
            package.json
            package-lock.json
            yaml.lock
            .gitignore
            .nojekyll
            CODEOWNERS
            LICENSE
            CODE_OF_CONDUCT.md
            CODE_STYLE.md
            CONTRIBUTING.md
            DOCUMENTATION.md
            INSTALLATION.md
            ISSUE_GUIDELINES.md
            PR_GUIDELINES.md
            README.md            
            .coderabbit.yaml
            docs/CNAME
            docs/static/CNAME
            docs/package.json
            docs/sidebar*.js
            docs/docusaurus.config.js
            docs/babel.config.js
            docs/tsconfig.json
            requirements.txt
      - name: List all changed unauthorized files
        if: steps.changed-unauth-files.outputs.any_changed == 'true' || steps.changed-unauth-files.outputs.any_deleted == 'true'
        env:
          CHANGED_UNAUTH_FILES: ${{ steps.changed-unauth-files.outputs.all_changed_files }}
        run: |
          for file in ${CHANGED_UNAUTH_FILES}; do
            echo "$file is unauthorized to change/delete"
          done
          echo "To override this, apply the 'ignore-sensitive-files-pr' label"          
          exit 1

  Count-Changed-Files:
    if: ${{ github.actor != 'dependabot[bot]' }}
    name: Checks if number of files changed is acceptable
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Get changed files
        id: changed-files
        uses: tj-actions/changed-files@v45

      - name: Echo number of changed files
        env:
          CHANGED_FILES_COUNT: ${{ steps.changed-files.outputs.all_changed_files_count }}
        run: |
          echo "Number of files changed: $CHANGED_FILES_COUNT"

      - name: Check if the number of changed files is less than 100
        if: steps.changed-files.outputs.all_changed_files_count > 100
        env:
          CHANGED_FILES_COUNT: ${{ steps.changed-files.outputs.all_changed_files_count }}
        run: |
          echo "Error: Too many files (greater than 100) changed in the pull request."
          echo "Possible issues:"
          echo "- Contributor may be merging into an incorrect branch."
          echo "- Source branch may be incorrect please use develop as source branch."
          exit 1

  Test-Docusaurus-Deployment:
    name: Test Deployment to https://docs-poller.switchmap-ng.io
    runs-on: ubuntu-latest
    needs: [Code-Quality-Checks]
    # Run only dependabot
    if: ${{ github.actor != 'dependabot[bot]' }}
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: yarn
          cache-dependency-path: "docs/"
      # Run Docusaurus in the ./docs directory
      - name: Install dependencies
        working-directory: ./docs
        run: yarn install --frozen-lockfile
      - name: Test building the website
        working-directory: ./docs
        run: yarn build

  Check-Target-Branch:
    if: ${{ github.actor != 'dependabot[bot]' }}
    name: Check Target Branch
    runs-on: ubuntu-latest
    steps:
      - name: Check if the target branch is develop
        if: github.event.pull_request.base.ref != 'develop'
        run: |
          echo "Error: Pull request target branch must be 'develop'. Please refer PR_GUIDELINES.md"
          echo "Error: Close this PR and try again."
          exit 1

  Validate-CodeRabbit:
    name: Validate CodeRabbit Approval
    runs-on: ubuntu-latest
    if: github.actor != 'dependabot[bot]'
    needs: [Code-Quality-Checks, Test-Docusaurus-Deployment]
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4
      - name: Validate CodeRabbit.ai Approval
        run: |
          chmod +x $GITHUB_WORKSPACE/.github/workflows/scripts/validate-coderabbit.sh
          $GITHUB_WORKSPACE/.github/workflows/scripts/validate-coderabbit.sh
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
          GITHUB_REPOSITORY: ${{ github.repository }}

  Docstring-Compliance:
    name: Check Docstring Compliance
    runs-on: ubuntu-latest
    needs: [Code-Quality-Checks]
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Python 3.11
        uses: actions/setup-python@v4
        with:
          python-version: 3.11

      - name: Cache pip packages
        uses: actions/cache@v4
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
          restore-keys: |
            ${{ runner.os }}-pip-

      - name: Install dependencies
        run: |
          python3 -m venv venv
          source venv/bin/activate
          python -m pip install --upgrade pip
          pip install -r requirements.txt

      - name: Run docstring compliance check
        run: |
          source venv/bin/activate
          python .github/workflows/scripts/check_docstrings.py --directories switchmap setup bin tests .github