publish_github_pages.yml

# Publish new set of GitHub Pages when new GSC or XBM pictures are committed to main

on:
  workflow_dispatch:
  push:
    branches:
      - main
    paths:
      - ".github/workflows/publish_github_pages.yml"
      - "**/*.gsc"
      - "**/*.xbm"

name: Publish GitHub Pages

jobs:
  generate_data_js:
    name: Generate Data JSON
    runs-on: ubuntu-latest
    steps:
      - name: Checkout ${{ github.ref }}
        uses: actions/checkout@v2

      - name: Generate data.js
        env:
          GIT_SHA: ${{ github.sha }}
        run: |
          import glob
          import json
          import os
          from datetime import datetime

          PIC_ROOT = "Pictures/"

          pics = {}
          for pic_type in ["gsc", "xbm"]:
              for file in glob.glob(f"**/*.{pic_type}", recursive=True):
                  if os.path.islink(file):
                      continue

                  path, core = os.path.split(file.replace(PIC_ROOT, ""))
                  if path not in pics:
                      pics[path] = []
                  pics[path].append(core)

          with open("data_pics.json", "w") as outfile:
              data = {
                  "pictures": pics,
                  "version": {
                      "date": datetime.now().isoformat(),
                      "sha": os.environ.get("GIT_SHA", "unknown")[:7],
                  },
              }
              json.dump(data, outfile)
        shell: python

      - name: Archive data JSON
        uses: actions/upload-artifact@v2
        with:
          name: data-pics-json
          path: data_pics.json
          retention-days: 5

  update_gh_pages:
    name: Update Data on GitHub Pages
    needs: generate_data_js
    runs-on: ubuntu-latest
    steps:
      - name: Checkout ${{ github.ref }}
        uses: actions/checkout@v2
        with:
          ref: gh-pages

      - name: Download data JSON
        uses: actions/download-artifact@v2
        with:
          name: data-pics-json

      - name: Commit data json
        run: |
          git config --local user.name 'github-actions[bot]'
          git config --local user.email '41898282+github-actions[bot]@users.noreply.github.com'
          git add data_pics.json
          git commit -am "automated update of json data"
          git push