name: Build Examples

on:
  pull_request:
  push:
    branches:
      - master

jobs:
  sqlite-todos:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v1

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          profile: minimal
          override: true
      
      - name: Cache target/
        uses: actions/cache@v1
        with:
          path: target
          key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}

      - name: Install sqlite3
        run: |
          sudo apt update
          sudo apt install -yq sqlite3

      - name: Create sqlite db
        working-directory: examples/sqlite/todos
        run: echo ".exit" | sqlite3 todos.db -init schema.sql

      - working-directory: examples/sqlite/todos
        # required because the `env` key does not expand environment variables
        run: DATABASE_URL=sqlite://$PWD/todos.db cargo build

  postgres-listen:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        postgres: [9.4, 10, 12]

    services:
      postgres:
        image: postgres:${{ matrix.postgres }}
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: postgres
        ports:
        - 5432/tcp
        # needed because the postgres container does not provide a healthcheck
        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5

    steps:
    - uses: actions/checkout@v1

    # Rust ------------------------------------------------

    - name: Install Rust toolchain
      uses: actions-rs/toolchain@v1
      with:
        toolchain: stable
        profile: minimal
        override: true
    
    - name: Cache target/
      uses: actions/cache@v1
      with:
        path: target
        key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}

    # build the example
    - working-directory: examples/postgres/listen
      run: cargo build
      env:
        DATABASE_URL: postgres://postgres:postgres@localhost:${{ job.services.postgres.ports[5432] }}/postgres
    
  postgres-todos:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        postgres: [9.4, 10, 12]

    services:
      postgres:
        image: postgres:${{ matrix.postgres }}
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: todos
        ports:
        - 5432/tcp
        # needed because the postgres container does not provide a healthcheck
        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5

    steps:
    - uses: actions/checkout@v1

    # Rust ------------------------------------------------

    - name: Install Rust toolchain
      uses: actions-rs/toolchain@v1
      with:
        toolchain: stable
        profile: minimal
        override: true

    - name: Cache target/
      uses: actions/cache@v1
      with:
        path: target
        key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
    
    # -----------------------------------------------------
    
    # load schema.sql
    - name: Load schema
      working-directory: examples/postgres/todos
      run: |
        export CONTAINER_ID=$(docker ps --filter "ancestor=postgres:${{ matrix.postgres }}" --format "{{.ID}}")
        docker cp schema.sql $CONTAINER_ID:/schema.sql
        docker exec $CONTAINER_ID bash -c "psql -d $DATABASE_URL -f ./schema.sql"
      env:
        # the in-container port is always 5432
        DATABASE_URL: postgres://postgres:postgres@localhost:5432/todos
    
    # build the example
    - working-directory: examples/postgres/todos
      run: cargo build
      env:
        DATABASE_URL: postgres://postgres:postgres@localhost:${{ job.services.postgres.ports[5432] }}/todos
  
  mysql-todos:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        image: ["mysql:5.7.28", "mysql:8.0.18", "mariadb:10.1.43", "mariadb:10.4.11"]

    services:
      mysql:
        image: ${{ matrix.image }}
        env:
          MYSQL_ROOT_PASSWORD: password
          MYSQL_DATABASE: todos
        ports:
        # will assign a random free host port
        - 3306/tcp
        # needed because the container does not provide a healthcheck
        options: >-
          --health-cmd "mysqladmin ping --silent" --health-interval 30s --health-timeout 30s
          --health-retries 10 -v /data/mysql:/var/lib/mysql

    steps:
    - uses: actions/checkout@v1

    # Rust ------------------------------------------------

    - name: Install Rust toolchain
      uses: actions-rs/toolchain@v1
      with:
        toolchain: stable
        profile: minimal
        override: true

    - name: Cache target/
      uses: actions/cache@v1
      with:
        path: target
        key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}

    - name: Load schema
      working-directory: examples/mysql/todos
      run: |
        export CONTAINER_ID=$(docker ps --filter "ancestor=${{ matrix.image }}" --format "{{.ID}}")
        docker cp schema.sql $CONTAINER_ID:/schema.sql
        docker exec $CONTAINER_ID bash -c "mysql -uroot -ppassword todos < /schema.sql"  

    - working-directory: examples/mysql/todos
      run: cargo build
      env:
        DATABASE_URL: mysql://root:password@localhost:${{ job.services.mysql.ports[3306] }}/todos