create-newsletter.yaml

name: Create Newsletter
on:
  schedule:
    # Run on the 3rd of every month at 9 am
    - cron: "0 9 3 * *"
  workflow_dispatch:
    inputs: {}
permissions:
  contents: write
  issues: write
  pull-requests: write
jobs:
  create-newsletter:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          ref: main
      - name: Set environment variables
        run: |
          echo "NEWSLETTER_MONTH=$(date +'%B')" >> $GITHUB_ENV
          echo "NEWSLETTER_NEXT_MONTH=$(date -d' 1 month ' +'%B')" >> $GITHUB_ENV
          echo "NEWSLETTER_NEXT_MONTH_NUMBER=$(date -d' 1 month ' +'%m')" >> $GITHUB_ENV
          echo "NEWSLETTER_YEAR=$(date +'%Y')" >> $GITHUB_ENV
          # take the amount of months since feb 2024 and add 50
          echo "NEWSLETTER_COUNTER=$(( ( ( $(date +'%Y') - 2024 ) * 12 + $(date +'%m') - 4 ) + 50 ))" >> $GITHUB_ENV
      - name: Create newsletter scaffold
        run: ./.github/create_newsletter_scaffold.sh
      - name: Commit and create pull request
        uses: peter-evans/create-pull-request@v3
        with:
          commit-message: "Create newsletter N${{ env.NEWSLETTER_COUNTER }} for ${{ env.NEWSLETTER_MONTH }} ${{ env.NEWSLETTER_YEAR }}"
          branch: "start-newsletter-${{ env.NEWSLETTER_COUNTER }}"
          title: "Newsletter N${{ env.NEWSLETTER_COUNTER }} for ${{ env.NEWSLETTER_MONTH }} ${{ env.NEWSLETTER_YEAR }}"
          body: "This PR adds the initial newsletter source file for ${{ env.NEWSLETTER_MONTH }} ${{ env.NEWSLETTER_YEAR }}."
          assignees: |
            AngelOnFira
            janhohenheim
            mamaicode
      - name: Create tracking issue
        uses: JasonEtco/create-an-issue@v2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          filename: .github/newsletter-issue-template.md