update_module_data.yml

# This workflow updates the data in module_data.py once a week.
# It can also be run manually if significant changes to metadata have been made.

name: Update metadata from education_modules repository

on:
  schedule:
    - cron: '17 3 * * 0'
  
  workflow_dispatch:

jobs:
  check_for_changes:
    name: Check if the module_data has changed
    runs-on: ubuntu-latest
    outputs:
      changes: ${{ steps.check_if_changed.outputs.changes }}
    steps:
      - name: Compare module_data files
        id: check_if_changed
        run: |
          wget https://raw.githubusercontent.com/arcus/education_modules/metadata_workflow/assets/metadata/module_data.json -O education_modules_file.json

          wget https://raw.githubusercontent.com/arcus/module_discovery/main/assets/education_modules.json -O module_discovery_file.json

          changes=$(diff education_modules_file.json module_discovery_file.json | wc -l)

          echo "changes=$changes" >> "$GITHUB_OUTPUT"

          echo $changes



  update_module_data:
    name: Update module_data.json
    runs-on: ubuntu-latest
    needs: check_for_changes
    if: needs.check_for_changes.outputs.changes != 0 
    steps:
      - uses: actions/checkout@v3  
      - name: Download module_data.json from education_modules
        run: | 
          wget https://raw.githubusercontent.com/arcus/education_modules/metadata_workflow/assets/metadata/module_data.json -O assets/education_modules.json
          wc assets/education_modules.json
      - name: Commit 
        run: |
          git status

          git config --local user.name actions-user

          git config --local user.email "actions@github.com" 
 
          git fetch
          
          git add assets/education_modules.json

          git commit -am "update metadata records" 
 
          git push origin main