image: "rust:latest"

services:
  - postgres:latest

variables:
  POSTGRES_DB: newsletter
  POSTGRES_USER: postgres
  POSTGRES_PASSWORD: password
  POSTGRES_HOST: postgres
  DB_PORT: 5432
  DATABASE_URL: "postgres://$POSTGRES_USER:$POSTGRES_PASSWORD@$POSTGRES_HOST:$DB_PORT/$POSTGRES_DB"
  APP_DATABASE__HOST: $POSTGRES_HOST

cache: # Caches build artifacts so we don't build from scratch in both build and test
  key: ${CI_COMMIT_REF_SLUG}
  paths:
    - .cargo/bin
    - .cargo/registry/index
    - .cargo/registry/cache
    - target/debug/deps
    - target/debug/build
  policy: pull-push

default:
  before_script:
    - export CARGO_HOME="$CI_PROJECT_DIR/.cargo"
    - export PATH="$CARGO_HOME/bin:$PATH"
    - rustc --version
    - cargo --version
    - apt update -yq && apt-get install -yq postgresql-client lld clang
    - if ! [ -x "$(command -v cargo-sqlx)" ]; then cargo install --version='~0.7' sqlx-cli --no-default-features --features rustls,postgres; fi
    - SKIP_DOCKER=true ./scripts/init_db.sh
    # This is to ensure that the database is reachable and give it some time to initialize.
    - until psql "dbname=$POSTGRES_DB user=$POSTGRES_USER password=$POSTGRES_PASSWORD host=postgres" -c '\l'; do sleep 3; done

stages:
  - build
  - test

build:
  stage: build
  script:
    - cargo build

test-code:
  stage: test
  script:
    - cargo test
    - if ! [ -x "$(command -v cargo-tarpaulin)" ]; then cargo install cargo-tarpaulin; fi
    - cargo tarpaulin --ignore-tests

lint-code:
  stage: test
  script:
    - rustup component add clippy
    - cargo clippy -- -D warnings