.gitlab-ci.yml

# Entry point for GitLab CI for the AppointDent Project

image: node:alpine

# Global variables used throughout the pipeline. This is especially
# helpful in the case of a mono-repository.
variables:
  CLIENT_PATH: client
  SERVER_PATH: server
  APPOINTMENT_SERVICE_PATH: services/appointment-service
  DENTIST_SERVICE_PATH: services/dentist-service
  NOTIFICATION_SERVICE_PATH: services/notification-service
  PATIENT_SERVICE_PATH: services/patient-service
  SESSION_SERVICE_PATH: services/session-service
  ADMIN_SERVICE_PATH: services/admin-service
  # add any additional paths

# We permit three stages: (i) lint, (ii) build (transpile) (iii) test.
# To be able to test the source code, it first needs to be transpiled
# from TS to JS, hence the order of the stages.
stages:
  - lint
  - build
  - test
  # deploy?

before_script:
  - apk update && apk add --no-cache bash 

lint-client:
  stage: lint
  tags:
    - docker
  before_script:
    - cd $CLIENT_PATH
    - npm ci --cache .npm --prefer-offline
  script:
    - echo "Linting client..."
    - npm run lint
    - echo "Lint successful!"

lint-server:
  stage: lint
  tags:
    - docker
  before_script:
    - cd $SERVER_PATH
    - npm ci --cache .npm --prefer-offline
  script:
    - echo "Linting server..."
    - npm run lint
    - echo "Lint successful!"

lint-service1:
  stage: lint
  # Image override: Python is required for the `better-sqlite3` dependency.
  image: "nikolaik/python-nodejs:python3.10-nodejs18"
  tags:
    - docker
  before_script:
    - cd $APPOINTMENT_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline
  script:
    - echo "Linting appointment-service..."
    - npm run lint
    - echo "Lint successful!"

lint-service2:
  stage: lint
  # Image override: Python is required for the `better-sqlite3` dependency.
  image: "nikolaik/python-nodejs:python3.10-nodejs18"
  tags:
    - docker
  before_script:
    - cd $DENTIST_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline
  script:
    - echo "Linting dentist-service..."
    - npm run lint
    - echo "Lint successful!"

lint-service3:
  stage: lint
  # Image override: Python is required for the `better-sqlite3` dependency.
  image: "nikolaik/python-nodejs:python3.10-nodejs18"
  tags:
    - docker
  before_script:
    - cd $NOTIFICATION_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline
  script:
    - echo "Linting notification-service..."
    - npm run lint
    - echo "Lint successful!"

lint-service4:
  stage: lint
  # Image override: Python is required for the `better-sqlite3` dependency.
  image: "nikolaik/python-nodejs:python3.10-nodejs18"
  tags:
    - docker
  before_script:
    - cd $PATIENT_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline
  script:
    - echo "Linting patient-service..."
    - npm run lint
    - echo "Lint successful!"

lint-service5:
  stage: lint
  # Image override: Python is required for the `better-sqlite3` dependency.
  image: "nikolaik/python-nodejs:python3.10-nodejs18"
  tags:
    - docker
  before_script:
    - cd $SESSION_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline
  script:
    - echo "Linting session-service..."
    - npm run lint
    - echo "Lint successful!"

lint-service6:
  stage: lint
  # Image override: Python is required for the `better-sqlite3` dependency.
  image: "nikolaik/python-nodejs:python3.10-nodejs18"
  tags:
    - docker
  before_script:
    - cd $ADMIN_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline
  script:
    - echo "Linting admin-service..."
    - npm run lint
    - echo "Lint successful!"

# Note: the client does not have a test stage.
# Therefore, it's sufficient if it's only built
# on the main branch. Lint is still executed on
# all branches.

build-client:
  stage: build
  tags:
    - docker
  needs: ["lint-client"]
  before_script:
    - cd $CLIENT_PATH
    - npm ci --cache .npm --prefer-offline
  script:
    - echo "Building the client..."
    - npm run build
    - echo "Build successful!"
  artifacts:
    paths:
      - $CLIENT_PATH/dist
  only:
    - main # we don't want to excessively exhaust the servers

build-server:
  stage: build
  tags:
    - docker
  needs: ["lint-server"]
  before_script:
    - cd $SERVER_PATH
    - npm ci --cache .npm --prefer-offline
  script:
    - echo "Building the server..."
    - npm run build
    - echo "Build successful!"
  artifacts:
    paths:
      - $SERVER_PATH/dist

build-service1:
  stage: build
  # Image override: Python is required for the `better-sqlite3` dependency.
  image: "nikolaik/python-nodejs:python3.10-nodejs18"
  tags:
    - docker
  needs: ["lint-service1"]
  before_script:
    - cd $APPOINTMENT_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline
  script:
    - echo "Building the appointment-service..."
    - npm run build
    - echo "Build successful!"
  artifacts:
    paths:
      - $APPOINTMENT_SERVICE_PATH/dist

build-service2:
  stage: build
  # Image override: Python is required for the `better-sqlite3` dependency.
  image: "nikolaik/python-nodejs:python3.10-nodejs18"
  tags:
    - docker
  needs: ["lint-service2"]
  before_script:
    - cd $DENTIST_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline
  script:
    - echo "Building the dentist-service..."
    - npm run build
    - echo "Build successful!"
  artifacts:
    paths:
      - $DENTIST_SERVICE_PATH/dist

build-service3:
  stage: build
  # Image override: Python is required for the `better-sqlite3` dependency.
  image: "nikolaik/python-nodejs:python3.10-nodejs18"
  tags:
    - docker
  needs: ["lint-service3"]
  before_script:
    - cd $NOTIFICATION_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline
  script:
    - echo "Building the notification-service..."
    - npm run build
    - echo "Build successful!"
  artifacts:
    paths:
      - $NOTIFICATION_SERVICE_PATH/dist

build-service4:
  stage: build
  # Image override: Python is required for the `better-sqlite3` dependency.
  image: "nikolaik/python-nodejs:python3.10-nodejs18"
  tags:
    - docker
  needs: ["lint-service4"]
  before_script:
    - cd $PATIENT_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline
  script:
    - echo "Building the patient-service..."
    - npm run build
    - echo "Build successful!"
  artifacts:
    paths:
      - $PATIENT_SERVICE_PATH/dist
  
build-service5:
  stage: build
  # Image override: Python is required for the `better-sqlite3` dependency.
  image: "nikolaik/python-nodejs:python3.10-nodejs18"
  tags:
    - docker
  needs: ["lint-service5"]
  before_script:
    - cd $SESSION_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline
  script:
    - echo "Building the session-service..."
    - npm run build
    - echo "Build successful!"
  artifacts:
    paths:
      - $SESSION_SERVICE_PATH/dist

build-service6:
  stage: build
  # Image override: Python is required for the `better-sqlite3` dependency.
  image: "nikolaik/python-nodejs:python3.10-nodejs18"
  tags:
    - docker
  needs: ["lint-service6"]
  before_script:
    - cd $ADMIN_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline
  script:
    - echo "Building the admin-service..."
    - npm run build
    - echo "Build successful!"
  artifacts:
    paths:
      - $ADMIN_SERVICE_PATH/dist

test-integration:
  stage: test
  image: "nikolaik/python-nodejs:python3.10-nodejs18" 
  tags:
    - docker
  
  # A set of integration tests requires all parts of the system
  # to be built correctly (apart from the client, in our case).
  needs: ["build-server",
          "build-service1",
          "build-service2",
          "build-service3",
          "build-service4",
          "build-service5",
          "build-service6"]
  before_script:
    # Include dependencies for all services
    - npm ci --cache .npm --prefer-offline --prefix $SESSION_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline --prefix $APPOINTMENT_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline --prefix $DENTIST_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline --prefix $NOTIFICATION_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline --prefix $PATIENT_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline --prefix $ADMIN_SERVICE_PATH
    - npm ci --cache .npm --prefer-offline --prefix $SERVER_PATH
    - cd $SERVER_PATH
  script:
    - echo "Running integration tests via the server..."
    - npm run test:integration # the same for local/ci

# TODO: discuss the feasibility of the deploy stage