listener.yml

# Ingest repository_dispatch events and trigger appropriate workflows
name: Listener

on:
  repository_dispatch:
    types: [Open, Update, Merge, Close, Draft]

jobs:
  open-update:
    if: ${{ github.event.action == 'Open' || github.event.action == 'Update' }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Pass branch name to env
        run: |
          BRANCH_NAME=${{ github.event.client_payload.branchName }}
          BRANCH_NAME=$(echo "$BRANCH_NAME" | tr '[:upper:]' '[:lower:]')
          BRANCH_NAME=$(echo "$BRANCH_NAME" | sed -e "s/[^a-z0-9]/-/g")
          echo "BRANCH_NAME=$BRANCH_NAME" >> $GITHUB_ENV

      - uses: ./.github/actions/replace_specs_snippets
        id: replace-specs-snippets
        with:
          branch-name: ${{ github.event.client_payload.branchName }}
          username: ${{ secrets.DX_GITHUB_USERNAME }}
          token: ${{ secrets.DX_GITHUB_TOKEN }}
          origin-repo: ${{ github.event.client_payload.originRepo }}
          author: ${{ github.event.client_payload.author }}

      - name: Open Pull Request
        if: steps.replace-specs-snippets.outputs.needs_pr
        run: |
          gh pr create -B main $(if ${{ github.event.client_payload.draftPr }} ; then echo "-d" ; fi) -t '${{ github.event.client_payload.branchName }}' -b 'Update API specs from upstream api-specs repository. Opened By: @${{ github.event.client_payload.author }}'
        env:
          GITHUB_TOKEN: ${{ secrets.DX_GITHUB_TOKEN }}

      - name: Output PR Number
        run: |
          PR_NUMBER=$(hub pr list -h ${{ github.event.client_payload.branchName }} -f %I)
          echo "PR_NUMBER=$PR_NUMBER" >> $GITHUB_ENV
        env:
          GITHUB_TOKEN: ${{ secrets.DX_GITHUB_TOKEN }}

      # Comment on PR
      - name: Comment on Corresponding Repo
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.DX_GITHUB_TOKEN }}
          script: |
            github.rest.issues.createComment({
              issue_number: '${{ github.event.client_payload.prNumber }}',
              owner: 'Bandwidth',
              repo: '${{ github.event.client_payload.originRepo }}',
              body: 'Preview site: http://${{ env.BRANCH_NAME }}.staging-dev.bandwidth.com/\nPlease note that it may take a couple minutes for your preview site to become available.\n\nSee the corresponding PR opened on the docsite repository (no action required):\nhttps://github.com/Bandwidth/api-docs/pull/${{ env.PR_NUMBER }}'
            })

  merge:
    if: ${{ github.event.action == 'Merge' }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.client_payload.branchName }}

      - name: Set PR number as env variable
        run: |
          echo "PR_NUMBER=$(hub pr list -h ${{ github.event.client_payload.branchName }} -f %I)" >> $GITHUB_ENV
        env:
          GITHUB_TOKEN: ${{ secrets.DX_GITHUB_TOKEN }}

      - name: Check Diff
        run: |
          echo "========== modified files =========="
          git diff --name-only ${{ github.base_ref }}

          echo "========== check paths of modified files =========="
          git diff --name-only ${{ github.base_ref }} > files.txt
          while IFS= read -r file
          do
            if [[ $file != site/specs/* ]]; then
              echo "$file is not an API spec file. Can't automerge this PR."
              exit 1
            fi
          done < files.txt

      - uses: bandwidth/automerge-pr-action@v1.0.1
        with:
          repoName: api-docs
          prNumber: ${{ env.PR_NUMBER }}
          token: ${{ secrets.DX_GITHUB_TOKEN }}

      - uses: actions/github-script@v6
        if: failure()
        with:
          github-token: ${{ secrets.DX_GITHUB_TOKEN }}
          script: |
            github.rest.issues.createComment({
              issue_number: '${{ env.PR_NUMBER }}',
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: 'Failed to auto-merge this PR. Check workflow logs for more information'
            })

  close:
    if: ${{ github.event.action == 'Close' }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      # Close the corresponding PR
      # - run: |
      #     PR_NUMBER=$(hub pr list -h ${{ github.event.client_payload.branchName }} -f %I)
      #     hub issue update $PR_NUMBER -s closed

      - name: Set PR number as env variable
        run: |
          echo "PR_NUMBER=$(hub pr list -h ${{ github.event.client_payload.branchName }} -f %I)" >> $GITHUB_ENV
        env:
          GITHUB_TOKEN: ${{ secrets.DX_GITHUB_TOKEN }}

      # Comment on PR
      - name: Comment on Corresponding Repo
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.DX_GITHUB_TOKEN }}
          script: |
            github.rest.issues.createComment({
              issue_number: '${{ env.PR_NUMBER }}',
              owner: 'Bandwidth',
              repo: 'api-docs',
              body: 'Corresponding Pull Request on [${{ github.event.client_payload.originRepo }}](https://github.com/Bandwidth/${{ github.event.client_payload.originRepo }}/pull/${{ github.event.client_payload.prNumber }}) was closed.'
            })

  change_draft_status:
    if: ${{ github.event.action == 'Draft' }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Check and Update Draft Status
        run: |
          PR_STATE=$(hub pr list -h ${{ github.event.client_payload.branchName }}  -f %pS)
          if ${{ github.event.client_payload.draftPr }}
          then
            if [ "$PR_STATE" == "open" ]
            then
              id=$(gh pr view ${{ github.event.client_payload.branchName }} --json id -q '.id')
              number=$(gh pr view ${{ github.event.client_payload.branchName }} --json number -q '.number')
              MUTATION='
                mutation($id: ID!) {
                  convertPullRequestToDraft(input: { pullRequestId: $id }) {
                    pullRequest {
                      id
                      number
                      isDraft
                    }
                  }
                }
              '
              gh api graphql -F id="${id}" -f query="${MUTATION}" >/dev/null
            fi
          else
            if [ "$PR_STATE" == "draft" ]
            then
              gh pr ready ${{ github.event.client_payload.branchName }}
            fi
          fi
        env:
          GITHUB_TOKEN: ${{ secrets.DX_GITHUB_TOKEN }}