exchange-rate.yaml

# In Justfile:
# # Fetch exchange rates (ECB)
# exchange-rates:
#     @echo "; EUR/CHF rates" > {{ exchange-rates }}
#     pricehist fetch ecb EUR/CHF --start 2025-01-01 --output ledger >> {{ exchange-rates }}
#     @echo "" >> {{ exchange-rates }}
#     @echo "; EUR/USD rates" >> {{ exchange-rates }}
#     pricehist fetch ecb EUR/USD --start 2025-01-01 --output ledger >> {{ exchange-rates }}
#     
name: Update Exchange Rates

on:
  schedule:
    # Run every day at 08:00 UTC
    - cron: '0 8 * * *'
  workflow_dispatch: # Allow manual trigger

jobs:
  update-rates:
    runs-on: ubuntu-latest
    permissions:
      contents: write

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

      - name: Install Just
        run: |
          curl --proto '=https' --tlsv1.2 -sSf https://just.systems/install.sh | bash -s -- --to /usr/local/bin

      - name: Install pricehist
        run: |
          pip install pricehist

      - name: Fetch exchange rates
        run: |
          just exchange-rates

      - name: Check for changes
        id: check_changes
        run: |
          if [ -n "$(git status --porcelain)" ]; then
            echo "changes=true" >> $GITHUB_OUTPUT
          else
            echo "changes=false" >> $GITHUB_OUTPUT
          fi

      - name: Commit and push changes
        if: steps.check_changes.outputs.changes == 'true'
        run: |
          git config --local user.email "github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          git add exchange-rates.ledger
          git commit -m "Update exchange rates - $(date +'%Y-%m-%d')"
          git push