assign-community-prs.yaml

name: Agent Assignment to Community Contributions
on:
  pull_request_target:
    types:
      - opened
      - reopened
jobs:
  assign-front-line-engineer:
    runs-on: ubuntu-latest
    #Conditionally runs the job if the author of the PR is not an owner or member of the organisation
    #See https://docs.github.com/en/graphql/reference/enums#commentauthorassociation
    if: ${{ github.event.pull_request.author_association != 'OWNER' && github.event.pull_request.author_association != 'MEMBER' }}
    permissions:
      pull-requests: write
    env:
      PR_URL: ${{ github.event.pull_request.html_url }}
      PR_TITLE: ${{ github.event.pull_request.title }}
    steps:
      - name: Get Next Assignee
        id: get-next-assignee
        env:
          FRONT_LINE: ${{ vars.FRONT_LINE_USERS_LIST }}
        run: |
          if [ -z $FRONT_LINE ]; then
            echo "::error::'FRONT_LINE_USERS_LIST' environment variable is not set"
            exit 1
          fi
          members=($(echo $FRONT_LINE | tr ',' '\n'))
          index=$(( (${GITHUB_RUN_NUMBER}-1) % ${#members[@]} ))
          next_member=${members[$index]}
          echo "SELECTED_ASSIGNEE=$next_member" >> "$GITHUB_ENV"
      - name: Assign selected member
        id: assign-selected-member
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        if: success()
        run: |
          echo "::debug::Selected assignee: $SELECTED_ASSIGNEE"
          gh pr edit $PR_URL --add-assignee $SELECTED_ASSIGNEE
      - name: Notify MS Teams channel
        id: notify-ms-teams
        if: success()
        uses: simbo/msteams-message-card-action@latest
        with:
          webhook: ${{ secrets.COMMUNITY_EVENTS_WEBHOOK_URL }}
          title: A new Community Contribution has been raised (or re-opened)!
          message: <code>${{ env.PR_TITLE }}</code> assigned to <strong>${{ env.SELECTED_ASSIGNEE }}</strong>
          buttons: |
            View PR on GitHub ${{ env.PR_URL }}