run.yml

name: Weekly email service

on:
  schedule:
    # Runs “At 07:30 on Wednesday.” UTC+11 (see https://crontab.guru) & remember that the below is in UTC!
    - cron: '30 20 * * 2'
  workflow_dispatch:
    inputs:
      dry_run:
        default: true
        type: boolean

env:
  timezone: 'Australia/Melbourne'
  TZ: 'Australia/Melbourne'

# n.b shocked to learn GH actions don't support yaml anchors (https://github.com/actions/runner/issues/1182)
jobs:
  github:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repo
        uses: actions/checkout@v3
      - name: Setup Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.10'
          cache: 'pip'
      - name: Install dependencies
        run: |
          pip install -r requirements.txt
      - name: Place shopping list
        run: |
          echo '${{ secrets.SHOPPING_LIST }}' >> shopping-list.json
      - name: Email comparisons
        env:
          MAILERSEND_API_KEY: ${{ secrets.MAILERSEND_API_KEY }}
          FROM_ADDRESS: no-reply@${{ secrets.DOMAIN }}
        run: |
          python coles_vs_woolies shopping-list.json \
            ${{ (github.event_name == 'workflow_dispatch' && inputs.dry_run) && '--dry_run' || '' }}
  local:
    needs: github
    if: always() && contains(needs.*.result, 'failure')
    runs-on: self-hosted
    steps:
      - name: Check out repo
        uses: actions/checkout@v3
      - name: Setup Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.10'
          cache: 'pip'
      - name: Install dependencies
        run: |
          pip install -r requirements.txt
      - name: Place shopping list
        run: |
          echo '${{ secrets.SHOPPING_LIST }}' >> shopping-list.json
      - name: Email comparisons
        env:
          MAILERSEND_API_KEY: ${{ secrets.MAILERSEND_API_KEY }}
          FROM_ADDRESS: no-reply@${{ secrets.DOMAIN }}
        run: |
          python coles_vs_woolies shopping-list.json \
            ${{ (github.event_name == 'workflow_dispatch' && inputs.dry_run) && '--dry_run' || '' }}