ci.yaml

name: "CI"

on:
  push:
    branches: [main]
  pull_request:
    branches: [develop, main]

env:
  MIX_ENV: test
  ENV: test

jobs:
  dependencies:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - uses: cachix/install-nix-action@v16
        with:
          nix_path: nixpkgs=channel:nixos-unstable

      - name: set elixir and otp version
        id: hex-info
        shell: bash
        run: |
          ELIXIR_VERSION=$(nix-shell shell.nix --run "mix hex.info" | sed -n 2p  | awk '{print $2}')
          OTP_VERSION=$(nix-shell shell.nix --run "mix hex.info" | sed -n 3p  | awk '{print $2}')
          echo Elixir: $ELIXIR_VERSION
          echo OTP: $OTP_VERSION
          echo "::set-output name=otp-version::$OTP_VERSION"
          echo "::set-output name=elixir-version::$ELIXIR_VERSION"

      - name: Retrieve Mix Dependencies Cache
        uses: actions/cache@v2
        id: mix-cache
        with:
          path: |
            deps
            _build
          key: my-random-cache-key-1234-${{ runner.os }}-${{ steps.hex-info.outputs.otp-version }}-${{ steps.hex-info.outputs.elixir-version }}-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}

      - name: Install Mix Dependencies
        if: steps.mix-cache.outputs.cache-hit != 'true'
        run: |
          nix-shell shell.nix --run 'run release'
  lint:
    needs: dependencies

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3

      - uses: cachix/install-nix-action@v16
        with:
          nix_path: nixpkgs=channel:nixos-unstable

      - name: set elixir and otp version
        id: hex-info
        shell: bash
        run: |
          ELIXIR_VERSION=$(nix-shell shell.nix --run "mix hex.info" | sed -n 2p  | awk '{print $2}')
          OTP_VERSION=$(nix-shell shell.nix --run "mix hex.info" | sed -n 3p  | awk '{print $2}')
          echo Elixir: $ELIXIR_VERSION
          echo OTP: $OTP_VERSION
          echo "::set-output name=otp-version::$OTP_VERSION"
          echo "::set-output name=elixir-version::$ELIXIR_VERSION"

      - name: Retrieve Mix Dependencies Cache
        uses: actions/cache@v2
        id: mix-cache
        with:
          path: |
            deps
            _build
          key: my-random-cache-key-1234-${{ runner.os }}-${{ steps.hex-info.outputs.otp-version }}-${{ steps.hex-info.outputs.elixir-version }}-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}

      - name: Check Formatting
        run: nix-shell shell.nix --run 'run format.check'

      - name: Restore PLT cache
        uses: actions/cache@v2
        id: plt_cache
        with:
          key: |
            ${{ runner.os }}-${{ steps.hex-info.outputs.elixir-version }}-${{ steps.hex-info.outputs.otp-version }}-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}-plt
          restore-keys: |
            ${{ runner.os }}-${{ steps.hex-info.outputs.elixir-version }}-${{ steps.hex-info.outputs.otp-version }}-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}-plt
          path: |
            priv/plts
      # Create PLTs if no cache was found
      - name: Create PLTs
        if: steps.plt_cache.outputs.cache-hit != 'true'
        run: |
          mkdir -p priv/plts
          nix-shell shell.nix --run 'run mix dialyzer --plt'
      - name: Run credo & dialyzer
        run: nix-shell shell.nix --run 'run lint.all'
  test:
    needs: dependencies

    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgres:14
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: media_search_demo_test
        ports:
          - 5432/tcp
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
    steps:
      - uses: actions/checkout@v3

      - uses: cachix/install-nix-action@v16
        with:
          nix_path: nixpkgs=channel:nixos-unstable

      - name: set elixir and otp version
        id: hex-info
        shell: bash
        run: |
          ELIXIR_VERSION=$(nix-shell shell.nix --run "mix hex.info" | sed -n 2p  | awk '{print $2}')
          OTP_VERSION=$(nix-shell shell.nix --run "mix hex.info" | sed -n 3p  | awk '{print $2}')
          echo Elixir: $ELIXIR_VERSION
          echo OTP: $OTP_VERSION
          echo "::set-output name=otp-version::$OTP_VERSION"
          echo "::set-output name=elixir-version::$ELIXIR_VERSION"

      - name: Retrieve Mix Dependencies Cache
        uses: actions/cache@v2
        id: mix-cache
        with:
          path: |
            deps
            _build
          key: my-random-cache-key-1234-${{ runner.os }}-${{ steps.hex-info.outputs.otp-version }}-${{ steps.hex-info.outputs.elixir-version }}-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}

      - name: Install Mix Dependencies
        if: steps.mix-cache.outputs.cache-hit != 'true'
        run: |
          nix-shell shell.nix --run 'run release'

      - name: Run Tests
        run: |
          nix-shell shell.nix --run 'run test.migration'
          nix-shell shell.nix --run 'run test.ci'
        env:
          DATABASE_URL: postgresql://postgres:postgres@localhost:${{job.services.postgres.ports[5432]}}/media_search_demo_test