require_backend_label.yml

name: Label Pull Request Reviewers
on:
  pull_request:
    types: [opened, reopened, review_requested, synchronize, ready_for_review, unlabeled]

jobs:
  label-pr-codeowners:
    permissions: write-all
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Require require-backend-approval label
        if: github.event.action == 'unlabeled' && github.event.label.name == 'require-backend-approval'
        uses: actions-ecosystem/action-add-labels@v1
        with:
          number: ${{ github.event.pull_request.number }}
          labels: |
            require-backend-approval

      - name: Require omit-backend-approval label
        if: github.event.action == 'unlabeled' && github.event.label.name == 'omit-backend-approval'
        uses: actions-ecosystem/action-add-labels@v1
        with:
          number: ${{ github.event.pull_request.number }}
          labels: |
            omit-backend-approval

      - name: Add omit-backend-approval label
        if: |
          !contains(github.event.pull_request.labels.*.name, 'require-backend-approval') &&
          !contains(github.event.pull_request.labels.*.name, 'omit-backend-approval') &&
          (
            contains(toJSON(github.event.pull_request.requested_teams.*.name), 'mobile') ||
            contains(toJSON(github.event.pull_request.requested_teams.*.name), 'lighthouse') ||
            contains(toJSON(github.event.pull_request.requested_teams.*.name), 'identity')
          )
        uses: actions-ecosystem/action-add-labels@v1
        with:
          number: ${{ github.event.pull_request.number }}
          labels: |
            omit-backend-approval

      - name: Add require-backend-approval label
        uses: actions-ecosystem/action-add-labels@v1
        if: |
            !contains(github.event.pull_request.labels.*.name, 'require-backend-approval') &&
            !contains(github.event.pull_request.labels.*.name, 'omit-backend-approval') &&
            !contains(toJSON(github.event.pull_request.requested_teams.*.name), 'mobile') &&
            !contains(toJSON(github.event.pull_request.requested_teams.*.name), 'lighthouse') &&
            !contains(toJSON(github.event.pull_request.requested_teams.*.name), 'identity')
        with:
          number: ${{ github.event.pull_request.number }}
          labels: |
            require-backend-approval