main.yml

name: CI

on: 
  # push: -- just run on PRs for now
  pull_request:
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgis/postgis:13-3.0
        env:
          POSTGRES_PASSWORD: postgis
          POSTGRES_DB: ${{ github.event.repository.name }}
        ports:
          - 5432:5432
        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5

    strategy:
      fail-fast: false
      matrix:
        # python-version: ["3.10", "3.11", "3.12"]
        python-version: ["3.12"]

    steps:
      - uses: actions/checkout@v4

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
          check-latest: true

      - name: Install Java, GDAL, and other system dependencies
        run: |
          sudo apt update
          sudo apt-get install libxml2-dev libpq-dev openjdk-8-jdk libgdal-dev libxslt-dev
          echo Postgres and ES dependencies installed

      - name: Install python packages
        run: |
          python -m pip install --upgrade pip
          pip install .
          pip install -r ${{ github.event.repository.name }}/install/requirements.txt
          pip install -r ${{ github.event.repository.name }}/install/requirements_dev.txt
          echo Python packages installed

      - uses: ankane/setup-elasticsearch@v1
        with:
          elasticsearch-version: 8

      # - name: Webpack frontend files
      #   run: |
      #     echo "Removing yarn.lock due to yarn v1 package resolution issues"
      #     echo "https://github.com/iarna/wide-align/issues/63"
      #     rm yarn.lock
      #     yarn && yarn build_test

      - name: Check for missing migrations
        run: |
          python manage.py makemigrations --check

      - name: Ensure previous coverage data is erased
        run: |
          coverage erase

      - name: Run unit tests
        run: |
          python -W default::DeprecationWarning -m coverage run manage.py test tests --settings="tests.test_settings"

      - name: Generate report coverage
        run: |
          coverage json
          cat coverage.json

      - name: Upload coverage report as artifact
        uses: actions/upload-artifact@v4
        with:
          name: current-coverage-report
          path: coverage.json
          overwrite: true

  check_target_branch_coverage:
    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgis/postgis:13-3.0
        env:
          POSTGRES_PASSWORD: postgis
          POSTGRES_DB: ${{ github.event.repository.name }}
        ports:
          - 5432:5432
        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5

    strategy:
      fail-fast: false
      matrix:
        # python-version: ["3.10", "3.11", "3.12"]
        python-version: ["3.12"]

    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.event.pull_request.base.ref }}

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
          check-latest: true

      - name: Install Java, GDAL, and other system dependencies
        run: |
          sudo apt update
          sudo apt-get install libxml2-dev libpq-dev openjdk-8-jdk libgdal-dev libxslt-dev
          echo Postgres and ES dependencies installed

      # - name: Install python packages
      #   run: |
      #     python -m pip install --upgrade pip
      #     pip install .
      #     pip install -r ${{ github.event.repository.name }}/install/requirements.txt
      #     pip install -r ${{ github.event.repository.name }}/install/requirements_dev.txt
      #     echo Python packages installed

      # - uses: ankane/setup-elasticsearch@v1
      #   with:
      #     elasticsearch-version: 8

      - name: Ensure previous coverage data is erased
        run: |
          coverage erase

      - name: Run unit tests
        run: |
          python -W default::DeprecationWarning -m coverage run manage.py test tests --settings="tests.test_settings"

      - name: Generate report coverage
        run: |
          coverage json
          cat coverage.json

      - name: Upload coverage report as artifact
        uses: actions/upload-artifact@v4
        with:
          name: target-coverage-report
          path: coverage.json
          overwrite: true

  # check-coverage:
  #   runs-on: ubuntu-latest
  #   needs: [build]
  #   steps:
  #     - uses: actions/checkout@v4

  #     - name: Set up Python
  #       uses: actions/setup-python@v5
  #       with:
  #         python-version: '3.x' # Use the latest available version
  #         check-latest: true

  #     - name: Download coverage report artifact
  #       uses: actions/download-artifact@v4
  #       with:
  #         name: coverage-report
  #         path: .

  #     - name: Report coverage
  #       run: |
  #         cat coverage.json

  #     - name: Retrieve baseline coverage
  #       run: |
  #         git fetch origin ${{ github.event.pull_request.base.ref }}:${{ github.event.pull_request.base.ref }}

  #         if ! git show ${{ github.event.pull_request.base.ref }}:coverage.json > /dev/null; then
  #           echo "Error: coverage.json does not exist in the branch."
  #           exit 1
  #         fi

  #         baseline_coverage=$(git show ${{ github.event.pull_request.base.ref }}:coverage.json | grep -o '"totals": {[^}]*' | grep -o '"percent_covered": [0-9.]*' | awk -F ': ' '{print $2}')
  #         echo "$baseline_coverage" > .coverage_baseline

  #     - name: Compare coverage with baseline
  #       if: github.event_name == 'pull_request'
  #       run: |
  #         current_coverage=$(cat coverage.json | grep -o '"totals": {[^}]*' | grep -o '"percent_covered": [0-9.]*' | awk -F ': ' '{print $2}')
  #         baseline_coverage=$(cat .coverage_baseline)

  #         # Compare current coverage with baseline coverage using floating-point comparison
  #         if awk -v current="$current_coverage" -v baseline="$baseline_coverage" 'BEGIN { exit (current < baseline) ? 0 : 1 }'; then
  #           echo "Coverage decreased from $baseline_coverage% to $current_coverage%"
  #           exit 1
  #         else
  #           echo "Current branch coverage ($current_coverage%) >= Target branch coverage ($baseline_coverage%). Committing new coverage.json."

  #           git config user.name github-actions
  #           git config user.email github-actions@github.com

  #           git add -f coverage.json
  #           git commit -m "automatically update coverage.json"
  #           git push -f origin HEAD:${{ github.head_ref }}
  #         fi