name: docker

on: [push, pull_request]

jobs:
  documentation:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v2
      - name: Install python version
        uses: gabrielfalcao/pyenv-action@v7
        with:
          default: "3.6.8"
          command: "pip install -U pip"
      - name: Get pip cache dir
        id: pip-cache
        run: |
          echo "::set-output name=dir::$(pip cache dir)"
      - name: Persistent Github pip cache
        uses: actions/cache@v2
        with:
          path: ${{ steps.pip-cache.outputs.dir }}
          key: ${{ runner.os }}-pip3.6.8}
      - name: dependencies
        # instead of directly installing the dependency in the workflow file, can this be done using the pipfile instead?
        run: |
          pip install 'sphinx~=3.3' sphinx_rtd_theme
      - name: make
        run: |
          cd docs/
          make html

  tests:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ ubuntu-20.04 ]
        python: # pyenv-action requires the exact version
          - 3.6.8
          - 3.7.9
          - 3.8.6
    steps:
      - uses: actions/checkout@v2
      - name: Install python version
        uses: gabrielfalcao/pyenv-action@v7
        with:
          default: "${{ matrix.python }}"
          command: "pip install -U pip"
      - name: Get pip cache dir
        id: pip-cache
        run: |
          echo "::set-output name=dir::$(pip cache dir)"
      - name: Persistent Github pip cache
        uses: actions/cache@v2
        with:
          path: ${{ steps.pip-cache.outputs.dir }}
          key: ${{ runner.os }}-pip${{ matrix.python }}
      - name: Tests
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          sudo apt-get update -qq
          sudo apt-get install -qq libpoppler-cpp-dev unpaper tesseract-ocr imagemagick ghostscript optipng
          pip install --upgrade pipenv
          pipenv install --system --dev
          cd src/
          pipenv run pytest --cov
          pipenv run pycodestyle
          pipenv run coveralls

  frontend:
    runs-on: ubuntu-20.04
    steps:
    - uses: actions/checkout@v2
    - uses: actions/setup-node@v2
      with:
        node-version: '15'
    - name: build
      run: |
        cd src-ui/
        npm install -g @angular/cli
        npm install
        ng build --prod

  # build and push image to docker hub.
  build-docker-image:
    if: github.event_name == 'push' && (github.ref == 'refs/heads/master' || github.ref == 'refs/heads/dev' || github.ref == 'refs/tags/ng-*')
    runs-on: ubuntu-latest
    needs: tests
    steps:
      -
        name: Prepare
        id: prepare
        run: |
          VERSION=edge
          if [[ $GITHUB_REF == refs/tags/ng-* ]]; then
            VERSION=${GITHUB_REF#refs/tags/ng-}
          fi
          if [[ $GITHUB_REF == refs/heads/* ]]; then
            VERSION=${GITHUB_REF#refs/heads/}
          fi
          echo ::set-output name=version::${VERSION}
      -
        name: Checkout
        uses: actions/checkout@v2
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      -
        name: Cache Docker layers
        uses: pat-s/always-upload-cache@v2.1.3
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-
      -
        name: Login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      -
        name: Build and push
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm/v7
          push: true
          tags: jonaswinkler/paperless-ng:${{ steps.prepare.outputs.version }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache
      -
        name: Inspect image
        run: |
          docker buildx imagetools inspect jonaswinkler/paperless-ng:${{ steps.prepare.outputs.version }}