82-pull-request-slack-msg.yml

# Creates/Resets the gh-pages branch to the intended start state

# Pre-requisites:
# (1) Create a slack app following these instructions:
#    https://docs.celigo.com/hc/en-us/articles/7140655476507-How-to-create-an-app-and-retrieve-OAuth-token-in-Slack
# (2) Add the OAuth scope chat:write
# (3) Create an OAuth token
# (4) Create a repository secret under "Secrets/Actions/Repository Secret" called
#   SLACK_BOT_USER_OAUTH_ACCESS_TOKEN  and put the value of the OAuth token there
# (5) Put the channel number in the env.CHANNEL_NUMBER variable below.
#   (or maybe refactor this into a repository secret? )
# (6) To test, merge a PR.

name: "82-pull-request-slack-msg: Send a slack message whenever there's a pull request"
on:
  pull_request:
    types:
      - closed


env:
  GH_TOKEN: ${{ github.token }}
  TEAM_TO_CHANNEL: ${{ vars.TEAM_TO_CHANNEL }}
  TEAM: ${{github.repository}}
  
permissions:
  contents: write
  pages: write
  id-token: write

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@v3.5.2
        with:
          fetch-depth: 1
          token: ${{ github.token }}

  get-team-name:
    name: Get Team Name
    runs-on: ubuntu-latest
    outputs:
      team: ${{ steps.find_team.outputs.team }} # Changed from 'get-team-name' to 'find_team'
    steps:
      - name: Use bash to extract team name (final nine chars of repo name)
        id: find_team
        run: |
          REPO=${{ github.repository }}
          TEAM_NAME="${REPO: -9}"
          echo "Last nine characters: TEAM_NAME"
          echo "::set-output name=team::${TEAM_NAME}"
      - name: Debug - Print Team Name
        run: |
          echo "Team Name: ${{ steps.find_team.outputs.team }}"

  get-pr-num:
    name: Get PR Number
    runs-on: ubuntu-latest
    outputs:
      pr_number: ${{ steps.get-pr-num.outputs.pr_number }}
      branch_name: ${{ steps.get-branch-name.outputs.branch_name }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@v3.5.2
        with:
          fetch-depth: 1
          token: ${{ github.token }}
      - name: Get PR number
        id: get-pr-num
        run: |
          echo "GITHUB_EVENT_PATH=${GITHUB_EVENT_PATH}"
          pr_number=$(jq --raw-output .pull_request.number "$GITHUB_EVENT_PATH")
          echo "pr_number=${pr_number}" 
          echo "pr_number=${pr_number}" >> "$GITHUB_OUTPUT"
      - name: Figure out Branch name
        id: get-branch-name
        run: |
          GITHUB_HEAD_REF="${GITHUB_HEAD_REF}"
          echo GITHUB_HEAD_REF=${GITHUB_HEAD_REF}
          GITHUB_REF_CLEANED=${GITHUB_REF/refs\/heads\//}
          echo GITHUB_REF_CLEANED=${GITHUB_REF_CLEANED}
          GITHUB_REF_CLEANED=${GITHUB_REF_CLEANED//\//-}
          echo GITHUB_REF_CLEANED=${GITHUB_REF_CLEANED}
          BRANCH="${GITHUB_HEAD_REF:-${GITHUB_REF_CLEANED}}"
          echo "branch_name=${BRANCH}"
          echo "branch_name=${BRANCH}" >> "$GITHUB_OUTPUT"

  if_merged:
    needs: [get-pr-num, get-team-name]
    if: github.event.pull_request.merged == true
    runs-on: ubuntu-latest
    steps:
      - run: |
          pr_number=${{needs.get-pr-num.outputs.pr_number}}
          echo The PR ${pr_number} was merged

      - name: Send message to Slack API
        uses: archive/github-actions-slack@v2.0.0
        id: notify
        with:
          slack-bot-user-oauth-access-token: ${{ secrets.SLACK_BOT_USER_OAUTH_ACCESS_TOKEN }}
          slack-channel: ${{ fromJSON(env.TEAM_TO_CHANNEL)[ needs.get-team-name.outputs.team] }}
          slack-text: >
                      🤔 Hello from reflection bot! 🤔\n
                      PR https://github.com/${{github.repository}}/pull/${{needs.get-pr-num.outputs.pr_number}} was merged ✅.\n
                      *Each team member that was involved in this PR (either coding or code review)*, please now write a brief reflection *as a reply thread to this post* on what you as an individual, or your team, learned from this PR, if anything.\n
                      Note that your team will be graded on two aspects:\n 
                        (1) the percentage of prompts like this one to which your team responds,\n 
                        (2) the quality of your responses.\n\n
                      See https://ucsb-cs156.github.io/s24/lab/team04.html for details.
                     
      - name: Result from "Send Message"
        run: |
          echo "The result was:"
          echo '${{ steps.notify.outputs.slack-result }}' | jq

  if_not_merged:
    needs: [get-pr-num, get-team-name]
    if: github.event.pull_request.merged != true
    runs-on: ubuntu-latest
    steps:
      - run: |
          pr_number=${{needs.get-pr-num.outputs.pr_number}}
          echo The PR ${pr_number} was merged

      - name: Send message to Slack API
        uses: archive/github-actions-slack@v2.0.0
        id: notify
        with:
          slack-bot-user-oauth-access-token: ${{ secrets.SLACK_BOT_USER_OAUTH_ACCESS_TOKEN }}
          slack-channel: ${{ fromJSON(env.TEAM_TO_CHANNEL)[ needs.get-team-name.outputs.team] }}
          slack-text: >
                      🤔 Hello from reflection bot! 🤔\n
                      PR https://github.com/${{github.repository}}/pull/${{needs.get-pr-num.outputs.pr_number}} was ❌ closed but not merged! ❌ \n
                      *Each team member that was involved in this PR (either coding or code review)*, please now write a brief reflection *as a reply thread to this post* on what you as an individual, or your team, learned from this PR, if anything.\n
                      Note that your team will be graded on two aspects:\n 
                        (1) the percentage of prompts like this one to which your team responds,\n 
                        (2) the quality of your responses.\n\n
                      See https://ucsb-cs156.github.io/s24/lab/team04.html for details.
      - name: Result from "Send Message"
        run: |
          echo "The result was:"
          echo '${{ steps.notify.outputs.slack-result }}' | jq