review-labels.yml

name: Review Labels
on:
  pull_request_target:
    types: [closed, converted_to_draft, edited, opened, ready_for_review, reopened, unlabeled]
  pull_request_review:
    types: [submitted]

permissions:
  pull-requests: write

env:
  PEER_REQUIRED: 'pr: peer review required'
  PEER_APPROVED: 'pr: peer review approved'
  LEAD_REQUIRED: 'pr: lead review required'
  LEAD_APPROVED: 'pr: lead review approved'
  UX_REQUIRED: 'pr: ux review required'
  UX_APPROVED: 'pr: ux review approved'
  GH_TOKEN: ${{ github.token }}

jobs:
  # Workaround for the limitation of being unable to use env in job if block.
  # https://github.com/actions/runner/issues/1189
  pr-check:
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request_target'
    outputs:
      PEER_REQUIRED: ${{ steps.env.outputs.PEER_REQUIRED }}
      PEER_APPROVED: ${{ steps.env.outputs.PEER_APPROVED }}
    steps:
      - name: Copy variables
        id: env
        run: |
          echo "PEER_REQUIRED=$PEER_REQUIRED" >> "${GITHUB_OUTPUT}"
          echo "PEER_APPROVED=$PEER_APPROVED" >> "${GITHUB_OUTPUT}"

  peer-review-required:
    runs-on: ubuntu-latest
    needs: pr-check
    if: >
      !github.event.pull_request.draft &&
      !contains(github.event.pull_request.title, '[WIP]') &&
      !contains(github.event.pull_request.labels.*.name, needs.pr-check.outputs.PEER_APPROVED)
    steps:
      - name: Assign peer review required label
        run: gh issue edit ${{ github.event.number }} --repo ${{ github.repository }} --add-label "$PEER_REQUIRED"

  peer-review-not-required:
    runs-on: ubuntu-latest
    needs: pr-check
    if: >
      (
        github.event.pull_request.draft ||
        contains(github.event.pull_request.title, '[WIP]') ||
        github.event.action == 'closed'
      ) &&
      contains(github.event.pull_request.labels.*.name, needs.pr-check.outputs.PEER_REQUIRED)
    steps:
      - name: Remove peer review required label
        run: gh issue edit ${{ github.event.number }} --repo ${{ github.repository }} --remove-label "$PEER_REQUIRED"

  approved:
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request_review' && github.event.review.state == 'APPROVED'
    steps:
      - name: Resolve team membership
        id: team
        run: |
          ghTeamMembership() {
            local result=$(
              gh api -H 'Accept: application/vnd.github+json' -H 'X-GitHub-Api-Version: 2022-11-28' \
              /orgs/${{ github.repository_owner }}/teams/$1/memberships/$2 \
              | jq '(.role + "." + .state)'
            )
            echo "$result"
          }
          # echo "core-member=$(ghTeamMembership 'core' '${{ github.actor }}')" >> "$GITHUB_OUTPUT"
          # echo "ux-member=$(ghTeamMembership 'UX' '${{ github.actor }}')" >> "$GITHUB_OUTPUT"
          # Hard coding this, until the repositories are moved into the new organization.
          actor="${{ github.actor }}"
          if [[ "$actor" == "jeripeierSBB" ]] || [[ "$actor" == "kyubisation" ]]; then
            echo "core-member=maintainer.active" >> "$GITHUB_OUTPUT"
            echo "ux-member=." >> "$GITHUB_OUTPUT"
          elif [[ "$actor" == "dauriamarco" ]] || [[ "$actor" == "DavideMininni-Fincons" ]] || [[ "$actor" == "MarioCastigliano" ]] || [[ "$actor" == "TomMenga" ]]; then
            echo "core-member=member.active" >> "$GITHUB_OUTPUT"
            echo "ux-member=." >> "$GITHUB_OUTPUT"
          elif [[ "$actor" == "mcilurzo" ]]; then
            echo "core-member=." >> "$GITHUB_OUTPUT"
            echo "ux-member=member.active" >> "$GITHUB_OUTPUT"
          else
            echo "core-member=." >> "$GITHUB_OUTPUT"
            echo "ux-member=." >> "$GITHUB_OUTPUT"
          fi
      - name: Assign peer review approved label
        if: steps.team.outputs.core-member == 'member.active'
        run: |
          gh issue edit ${{ github.event.pull_request.number }} --repo ${{ github.repository }} --remove-label "$PEER_REQUIRED"
          gh issue edit ${{ github.event.pull_request.number }} --repo ${{ github.repository }} --add-label "$PEER_APPROVED"
      - name: Assign lead review approved label
        if: steps.team.outputs.core-member == 'maintainer.active'
        run: |
          gh issue edit ${{ github.event.pull_request.number }} --repo ${{ github.repository }} --remove-label "$LEAD_REQUIRED"
          gh issue edit ${{ github.event.pull_request.number }} --repo ${{ github.repository }} --add-label "$LEAD_APPROVED"
      - name: Assign ux review approved label
        if: steps.team.outputs.ux-member == 'maintainer.active' || steps.team.outputs.ux-member == 'member.active'
        run: |
          gh issue edit ${{ github.event.pull_request.number }} --repo ${{ github.repository }} --remove-label "$UX_REQUIRED"
          gh issue edit ${{ github.event.pull_request.number }} --repo ${{ github.repository }} --add-label "$UX_APPROVED"