ci_cd.yaml

name: CI/CD

on:
  push:
    branches:
      - main

  pull_request:

jobs:
  deploy:
    name: Deploy
    runs-on: ubuntu-latest
    env:
      MODAL_TOKEN_ID: ${{ secrets.MODAL_TOKEN_ID }}
      MODAL_TOKEN_SECRET: ${{ secrets.MODAL_TOKEN_SECRET }}

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Install Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.9"
      
      - name: Install Poetry
        uses: snok/install-poetry@v1
        with:
          version: 1.7.1
        
      - name: Install Poetry Dependencies
        working-directory: ./backend
        run: |
          poetry install --no-interaction --no-root

      - name: Determine Modal Environment Name
        id: set_env_name
        run: |
          if [ "${{ github.ref }}" = "refs/heads/main" ]; then
            echo "::set-output name=env_name::dev"
          else
            echo "::set-output name=env_name::pr${{ github.event.pull_request.number }}"
          fi

      - name: Create and Set Modal Environment
        working-directory: ./backend
        run: |
          ENV_NAME=${{ steps.set_env_name.outputs.env_name }}        
          set +e  # Disable immediate exit on error
          echo "Creating Modal environment '$ENV_NAME' if it doesn't already exist..."
          CREATE_OUTPUT=$(poetry run modal environment create $ENV_NAME 2>&1)
          CREATE_EXIT_CODE=$?
          set -e  # Re-enable immediate exit on error

          if [ $CREATE_EXIT_CODE -ne 0 ]; then
            if [[ "$CREATE_OUTPUT" == *"AuthError"* ]]; then
              echo "Create command output: $CREATE_OUTPUT"
              echo "Authentication error occurred. Exiting."
              exit 1
            elif [[ "$CREATE_OUTPUT" == *"<Status.ALREADY_EXISTS: 6>"* ]]; then
              echo "Modal environment '$ENV_NAME' already exists. Setting it as the current environment."
            else
              echo "Create command output: $CREATE_OUTPUT"
              echo "An unknown error occurred. Exiting."
              exit 1
            fi
          else
            echo "Modal environment '$ENV_NAME' created successfully."
          fi

          echo "Setting Modal environment to '$ENV_NAME'..."
          poetry run modal config set-environment $ENV_NAME
          echo "Environment '$ENV_NAME' is now set as the current Modal environment."

      - name: Deploy Modal stubs as applications
        working-directory: ./backend
        run: |
          poetry run modal deploy src.common