sync.yaml

name: Deploy Ontology to SPARQL Endpoint

on:
  workflow_run:
    workflows: ["Generate Public Ontology Docs"]  # Trigger after docs
    types:
      - completed
  workflow_dispatch:  # Optional manual trigger

jobs:
  deploy-ontology:
    if: github.event.workflow_run.conclusion == 'success'
    runs-on: ubuntu-latest

    steps:
      # --- 1. Checkout ---
      - name: 🧾 Check out repository
        uses: actions/checkout@v4

      # --- 2. Detect ontology changes ---
      - name: 🕵️ Detect changes in src/ontology
        id: changes
        uses: tj-actions/changed-files@v44
        with:
          files: src/ontology/**

      - name: 🛑 Skip if no ontology changes
        if: steps.changes.outputs.any_changed != 'true'
        run: echo "No ontology changes detected. Skipping deployment."

      # --- 3. Backup and deploy ontology ---
      - name: 🚀 Backup and deploy ontology
        if: steps.changes.outputs.any_changed == 'true'
        env:
          ONTOLOGY_SPARQL_ENDPOINT: ${{ secrets.ONTOLOGY_SPARQL_ENDPOINT }}
          GRAPHDB_USERNAME: ${{ secrets.GRAPHDB_USERNAME }}
          GRAPHDB_PASSWORD: ${{ secrets.GRAPHDB_PASSWORD }}
          GRAPH_URI: ${{ secrets.GRAPH_URI }}
        run: |
          set -euo pipefail

          timestamp=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
          ARCHIVE_URI="${GRAPH_URI}/archive/${timestamp}"

          echo "🚀 Deploying ontology to ${ONTOLOGY_SPARQL_ENDPOINT}"
          echo "Target graph: ${GRAPH_URI}"
          echo "Backup archive graph: ${ARCHIVE_URI}"

          echo "📦 Backing up current graph to ${ARCHIVE_URI}..."
          curl -sf -u "${GRAPHDB_USERNAME}:${GRAPHDB_PASSWORD}" \
            -X POST \
            -H "Content-Type: application/sparql-update" \
            --data "COPY GRAPH <${GRAPH_URI}> TO GRAPH <${ARCHIVE_URI}>" \
            "${ONTOLOGY_SPARQL_ENDPOINT}" || echo "⚠️ No existing graph to back up (may be first deployment)."

          echo "🧹 Dropping existing graph <${GRAPH_URI}>..."
          curl -sf -u "${GRAPHDB_USERNAME}:${GRAPHDB_PASSWORD}" \
            -X POST \
            -H "Content-Type: application/sparql-update" \
            --data "DROP GRAPH <${GRAPH_URI}>" \
            "${ONTOLOGY_SPARQL_ENDPOINT}"

          echo "📤 Uploading TTL files from src/ontology to <${GRAPH_URI}>..."
          ls -l src/ontology/
          find src/ontology -type f -name "*.ttl" -print0 | while IFS= read -r -d '' file; do
            echo "→ $file"
            curl -sf -u "${GRAPHDB_USERNAME}:${GRAPHDB_PASSWORD}" \
              -X POST \
              -H "Content-Type: text/turtle" \
              --data-binary "@${file}" \
              "${ONTOLOGY_SPARQL_ENDPOINT}?graph=${GRAPH_URI}"
          done

          echo "🎉 Ontology deployment completed successfully."