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path: root/.github/workflows/status_embed.yaml
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name: Status Embed

on:
  workflow_run:
    workflows:
      - Lint & Test
      - Build
      - Deploy
    types:
      - completed

jobs:
  status_embed:
    # We need to send a status embed whenever the workflow
    # sequence we're running terminates. There are a number
    # of situations in which that happens:
    #
    # 1. We reach the end of the Deploy workflow, without
    #    it being skipped.
    #
    # 2. A `pull_request` triggered a Lint & Test workflow,
    #    as the sequence always terminates with one run.
    #
    # 3. If any workflow ends in failure or was cancelled.
    if: >-
      (github.event.workflow_run.name == 'Deploy' && github.event.workflow_run.conclusion != 'skipped') ||
      github.event.workflow_run.event == 'pull_request' ||
      github.event.workflow_run.conclusion == 'failure' ||
      github.event.workflow_run.conclusion == 'cancelled'
    name:  Send Status Embed to Discord
    runs-on: ubuntu-latest

    steps:
      # A workflow_run event does not contain all the information
      # we need for a PR embed. That's why we upload an artifact
      # with that information in the Lint workflow.
      - name: Get Pull Request Information
        id: pr_info
        if: github.event.workflow_run.event == 'pull_request'
        run: |
          curl -s -H "Authorization: token $GITHUB_TOKEN" ${{ github.event.workflow_run.artifacts_url }} > artifacts.json
          DOWNLOAD_URL=$(cat artifacts.json | jq -r '.artifacts[] | select(.name == "pull-request-payload") | .archive_download_url')
          [ -z "$DOWNLOAD_URL" ] && exit 1
          wget --quiet --header="Authorization: token $GITHUB_TOKEN" -O pull_request_payload.zip $DOWNLOAD_URL || exit 2
          unzip -p pull_request_payload.zip > pull_request_payload.json
          [ -s pull_request_payload.json ] || exit 3
          echo "::set-output name=pr_author_login::$(jq -r '.user.login // empty' pull_request_payload.json)"
          echo "::set-output name=pr_number::$(jq -r '.number // empty' pull_request_payload.json)"
          echo "::set-output name=pr_title::$(jq -r '.title // empty' pull_request_payload.json)"
          echo "::set-output name=pr_source::$(jq -r '.head.label // empty' pull_request_payload.json)"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      # Send an informational status embed to Discord instead of the
      # standard embeds that Discord sends. This embed will contain
      # more information and we can fine tune when we actually want
      # to send an embed.
      - name: GitHub Actions Status Embed for Discord
        uses: SebastiaanZ/[email protected]
        with:
          # Our GitHub Actions webhook
          webhook_id: '784184528997842985'
          webhook_token: ${{ secrets.GHA_WEBHOOK_TOKEN }}

          # Workflow information
          workflow_name: ${{ github.event.workflow_run.name }}
          run_id: ${{ github.event.workflow_run.id }}
          run_number: ${{ github.event.workflow_run.run_number }}
          status: ${{ github.event.workflow_run.conclusion }}
          actor: ${{ github.actor }}
          repository:  ${{ github.repository }}
          ref: ${{ github.ref }}
          sha: ${{ github.event.workflow_run.head_sha }}

          pr_author_login: ${{ steps.pr_info.outputs.pr_author_login }}
          pr_number: ${{ steps.pr_info.outputs.pr_number }}
          pr_title: ${{ steps.pr_info.outputs.pr_title }}
          pr_source: ${{ steps.pr_info.outputs.pr_source }}