choose.yaml

name: Random paper

on:
  schedule:
    - cron:  '0 14  *  *  5'
  workflow_dispatch:
    branches: [ main ]
  pull_request:
    branches: [ main ]
    types: [ closed ]

jobs:
  choose:
    # This workflow runs when:
    # "random paper workflow" is enabled and
    #  (a) Workflow was dispatched manually -or-
    #  (b) Paper suggestion PR was closed without merging
    if: ${{ vars.PAPER_CHOOSE_ON == 1 && (
            github.event_name != 'pull_request' ||
           (contains(github.event.pull_request.labels.*.name, 'next-paper') &&
           !contains(github.event.pull_request.labels.*.name, 'paper-vote') &&
            github.event.pull_request.merged == false))}}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 20
      - name: 🔮 Choose random paper
        run: npm run choose
      - name: 📝 Update website
        run: npm run web
      - name: ✅ Commit paper selection changes
        run: bash ${PWD}/.github/utils/commit.sh
      - name: 🔎 Lookup paper details
        id: vars
        run: |
          echo "title=$(bash .github/utils/title.sh)" >> $GITHUB_OUTPUT
          echo "body=\"$(bash .github/utils/pr.sh)\"" >> $GITHUB_OUTPUT
      - name: 🔖️ Create a pull request
        uses: peter-evans/create-pull-request@v6
        id: paperpr
        with:
          add-paths: files/*.txt
          labels: next-paper
          branch: next-paper
          title: ${{ steps.vars.outputs.title }}
          body: ${{ fromJSON(steps.vars.outputs.body) }}
          delete-branch: true
          reviewers: ${{ fromJSON(vars.REVIEWERS) }}
      - name: 🤖 Enable automatic merge
        run: gh pr merge --merge --auto ${{ steps.paperpr.outputs.pull-request-number }}
        env:
          GH_TOKEN: ${{ secrets.AUTOMERGE_PAT }}