main.yml

name: Main

on:
  pull_request:
    branches: [ main ]

  workflow_dispatch:
    inputs:
      version:
        description: 'Release Version'
        required: false
        default: ''

env:
  # make sure the poetry creates the venv inside the workspace under .venv
  POETRY_VIRTUALENVS_IN_PROJECT: true

jobs:
  Build:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.project-version.outputs.version }}
    env:
      JUNIT_REPORT_PATH: pytest-junit-report
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-python@v1
        with:
          python-version: 3.7

      - name: Setup pip Cache
        id: cache-pip
        uses: actions/cache@v2
        with:
          path: ~/.cache/pip
          key: pip

      - name: Bootstrap poetry
        run: |
          python -m pip install --upgrade pip
          python -m pip install --upgrade virtualenv
          pip install poetry
          [ -d pytest-cov-report ] || mkdir -p pytest-cov-report
          [ -d ${JUNIT_REPORT_PATH} ] || mkdir -p ${JUNIT_REPORT_PATH}
          
      - name: Setup venv Cache
        id: cache-python
        uses: actions/cache@v2
        with:
          path: .venv
          key:  poetry-${{ hashFiles('poetry.lock') }}
          restore-keys: |
            poetry-

      - name: Set up the project
        run: poetry install
        
      - name: Check formatting
        run: poetry run poe check-format

      - name: Check linting
        run: poetry run poe lint

      - name: Test
        run: poetry run poe test --junitxml=${JUNIT_REPORT_PATH}/report.xml --cov=pytest-cov-report --cov-report=xml

      - name: Build
        run: poetry build

      - name: Upload dist
        uses: actions/upload-artifact@v2
        with:
          name: dist
          path: |
            dist/*.tar.gz
            dist/*.whl
          retention-days: 3
      
      - name: Get version from project
        id: project-version
        run: echo ::set-output name=version::$(poetry version -s)

      - name: Collect PyTest report
        id: collect-pytest-reports
        if: always()
        uses: actions/upload-artifact@v2
        with:
          name: pytest-report
          path: ${{ env.JUNIT_REPORT_PATH }}

      - name: Collect PyTest coverage report
        id: collect-pytest-cov-reports
        if: always()
        uses: actions/upload-artifact@v2
        with:
          name: pytest-cov-report
          path: pytest-cov-report

      - name: Display JUnit results
        if: >
          always() &&
          github.event.sender.login != 'dependabot[bot]' &&
          ( github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository )
        uses: EnricoMi/publish-unit-test-result-action@v1
        with:
          files: ${{env.JUNIT_REPORT_PATH}}/*.xml


  Release:
    needs: [Build]
    environment: PyPI Deployment
    runs-on: ubuntu-latest
    if: github.event.inputs.version != '' && github.event.inputs.version == needs.Build.outputs.version
    steps:

      - uses: actions/checkout@v2
      - uses: actions/download-artifact@v2

      - name: Version release logic
        id: version-logic
        env:
          RELEASE_VERSION: ${{ needs.Build.outputs.version }}
        run: |
          if [[ "$RELEASE_VERSION" == *"-"* ]]
          then
            echo '::set-output name=GITHUB_EXTRA_FLAG::-p'
            echo '::set-output name=CHANGLOG_VERSION::Unreleased'
          else
            echo '::set-output name=GITHUB_EXTRA_FLAG::'
            echo "::set-output name=CHANGLOG_VERSION::${RELEASE_VERSION}"
          fi

      - name: Extract version changelog
        id: extracted-changelog
        uses: talshani/keep-a-changelog-extract@v0.0.1
        with:
          version: ${{ steps.version-logic.outputs.CHANGLOG_VERSION }}

      - name: Create GitHub release
        run: |
          gh release create v${RELEASE_VERSION} ${EXTRA_FLAG} --notes "${RELEASE_NOTES}" \
            dist/*.tar.gz \
            dist/*.whl
        env:
          RELEASE_NOTES: ${{ steps.extracted-changelog.outputs.body }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          RELEASE_VERSION: ${{ needs.Build.outputs.version }}
          EXTRA_FLAG: ${{ steps.version-logic.outputs.GITHUB_EXTRA_FLAG }}

      - name: Publish distribution 📦 to PyPI
        uses: pypa/gh-action-pypi-publish@v1.4.2
        with:
          password: ${{ secrets.PYPI_API_TOKEN }}