create-prerelease.yml

name: Create Prerelease

on:
  workflow_dispatch:
    inputs:
      version_type:
        description: 'Update branch version by:'
        type: choice
        options:
          - major
          - minor
          - patch
        required: true
        default: 'patch'
      is_draft:
        description: 'Create a draft of the release:'
        type: boolean
        required: true
        default: false

env:
  IS_PRERELEASE: ${{ startsWith(github.ref, 'refs/heads/develop') || startsWith(github.ref, 'refs/heads/hotfix/') }}

jobs:
  update-version:
    runs-on: ubuntu-latest
    outputs:
      version_tag: ${{ env.version_tag }}
      previous_version_tag: ${{ env.previous_version_tag }}

    steps:
    - name: Check For Main
      if: env.IS_PRERELEASE == false
      run: |
        echo "This workflow should not be triggered on the main branch, please use development or hotfix"
        exit 1

    - name: Checkout Code
      uses: actions/checkout@v4

    - name: Run Update Version
      id: set_version
      shell: pwsh
      run: |
          Import-Module ./solution-helper.psm1 -Force
          $previousVersion, $newVersion = Update-Version -type ${{ github.event.inputs.version_type }}     
          echo "version_tag=$newVersion" | Out-File -FilePath $env:GITHUB_ENV -Append 
          echo "previous_version_tag=$previousVersion" | Out-File -FilePath $env:GITHUB_ENV -Append 

    - name: Check for Existing Release
      run: | 
        # Fetch the list of releases
        releases=$(gh release list --json createdAt,tagName --limit 100)

        echo -e "$releases"

        # Sort the releases by date and extract the most recent one that matches the version or version-prerelease
        release_line=$(echo "$releases" | jq -r 'sort_by(.createdAt) | reverse | .[0] | select(.tagName | test("-prerelease$")) | .tagName')

        echo -e "$release_line"

        # Check if the version or version-prerelease already exists
        if [[ -n "$release_line" ]]; then
          echo "⛔ Prerelease for '$previous_version_tag' already exists, please remove the release or fix the version."
          echo -e "   - Failed on version: '$release_line'"
          exit 1
        else
          echo "✅ $previous_version_tag-prerelease does not exist"
        fi
      env:
        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    - name: Update Version Number
      run: |
        git config --global user.name 'github-actions'
        git config --global user.email 'github-actions@github.com'
        git commit -am "Previous version was '${{ env.previous_version_tag }}'. Version now '${{ env.version_tag }}'."
        git push
  
  create-release:
    needs: update-version
    runs-on: ubuntu-latest

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

    - name: Create Release
      run: |
        TAG_NAME="${{ needs.update-version.outputs.version_tag }}-prerelease"
        if [[ ${{ github.event.inputs.is_draft }} ]]; then
          gh release create $TAG_NAME --target ${{ github.ref_name }} --title $TAG_NAME --generate-notes --draft --prerelease
        else 
          gh release create $TAG_NAME --target ${{ github.ref_name }} --title $TAG_NAME --generate-notes --prerelease
        fi
      env:
        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}