create-and-merge-pr.yaml

name: Create and merge PR for latest Activity List and Collections

on:
  workflow_dispatch:
    inputs:
      author:
        description: 'Author of this release'     
        required: false
  repository_dispatch:
    types: [activity-list-update]

jobs:
  create-and-merge-pr:
    runs-on: ubuntu-latest

    steps:
      - name: Check out this repository
        uses: actions/checkout@v2
        with:
          ref: master
          path: activity-list
          fetch-depth: 0

      - name: Download Zip File of latest activity list and collections from activity-list-editor.
        run: |
          mkdir -p downloads
          wget -O downloads/openactive_concepts.zip https://oa-activity-list-staging-87b008e57ad8.herokuapp.com/en/openactive_concepts.zip

      - name: Extract Zip File
        run: |
          mkdir -p activity-list-editor
          unzip downloads/openactive_concepts.zip -d activity-list-editor

      - name: Install jq
        run: |
          sudo apt-get update
          sudo apt-get install -y jq

      - name: Compare current activity list with activity list from activity-list-editor
        id: compare
        uses: openactive/skos-compare-action@main
        with:
          new_json_file: './activity-list-editor/activity-list.jsonld'
          old_json_file: './activity-list/data/activity-list.jsonld'

      # For security reasons, we only copy valid JSON-LD files to the next step
      - name: Validate and Copy JSON-LD files
        run: |
          SOURCE_DIR="activity-list-editor"
          DEST_DIR="activity-list/data"
          find "$SOURCE_DIR" -name '*.jsonld' | while read file; do
            if jq empty "$file" 2>/dev/null; then
              echo "Valid JSON-LD: $file"
              # Calculate the destination path
              DEST_PATH="${DEST_DIR}/${file#$SOURCE_DIR/}"
              # Create the destination directory if it doesn't exist
              mkdir -p "$(dirname "$DEST_PATH")"
              # Copy the file, preserving the directory structure
              cp "$file" "$DEST_PATH"
            else
              echo "Invalid JSON-LD, skipping: $file"
            fi
          done

      - name: Generate list of changed files in /data/collections/ directory
        id: collections_changed
        run: |
          git diff --name-only -- ./data/collections/ | awk '{sub(/^data\/collections\//, ""); print "- " $0}' > ../changed_collections_files.txt
          echo "::set-output name=changed_files::$(cat ../changed_collections_files.txt)"
        working-directory: ./activity-list/

      - name: Create Pull Request (if changes are detected)
        if: ${{ steps.compare.outputs.changeDescription || steps.collections_changed.outputs.changed_files }}
        id: cpr
        uses: peter-evans/create-pull-request@v6
        with:
          path: ./activity-list/
          token: ${{ secrets.PUBLIC_REPO_ACCESS_TOKEN }}
          commit-message: Update activity list and collections
          committer: openactive-bot <openactive-bot@users.noreply.github.com>
          author: openactive-bot <openactive-bot@users.noreply.github.com>
          signoff: false
          branch: ci/update-activity-list
          delete-branch: true
          title: 'Update activity list and collections'
          body: |
            ${{ steps.compare.outputs.changeDescription && 'The following changes have been made to the OpenActive Activity List:' }}
            ${{ steps.compare.outputs.changeDescription }}

            ${{ steps.collections_changed.outputs.changed_files && 'The following OpenActive Collections have been updated:' }}
            ${{ steps.collections_changed.outputs.changed_files }}

            Release author: ${{ github.event.inputs.author }}
          labels: |
            automated pr
          draft: false

      - name: Auto-approve PR
        if: ${{ steps.cpr.outputs.pull-request-number }}
        uses: hmarr/auto-approve-action@v3
        with:
          pull-request-number: ${{ steps.cpr.outputs.pull-request-number }}

      - name: Check out the PR
        if: ${{ steps.cpr.outputs.pull-request-number }}
        uses: actions/checkout@v2
        with:
          ref: ci/update-activity-list
          path: pr
          fetch-depth: 0

      - name: Auto-merge the PR
        if: ${{ steps.cpr.outputs.pull-request-number }}
        run: gh pr merge "$PR_URL" --auto --body "" --squash
        working-directory: ./pr/
        env:
          PR_URL: ${{ steps.cpr.outputs.pull-request-url }}
          GITHUB_TOKEN: ${{secrets.PUBLIC_REPO_ACCESS_TOKEN}}

      - name: Check outputs
        if: ${{ steps.cpr.outputs.pull-request-number }}
        run: |
          echo "Pull Request Number - ${{ steps.cpr.outputs.pull-request-number }}"
          echo "Pull Request URL - ${{ steps.cpr.outputs.pull-request-url }}"