pr-slack-notify.yml

name: PR Slack Notification

on:
  pull_request:
    types: [opened, reopened]

jobs:
  notify:
    runs-on: ubuntu-latest
    steps:
      - name: Set reviewers based on branch
        id: set-reviewers
        run: |
          TARGET_BRANCH="${{ github.event.pull_request.base.ref }}"
          if [[ $TARGET_BRANCH == "dev-fe" ]]; then
            echo "team=FE" >> $GITHUB_OUTPUT
            echo "reviewers=<@U07GSBHPCPR> <@U07H6QLFPBM> <@U07H9CTPC9J>" >> $GITHUB_OUTPUT
            echo "reviewer_names=김지수, 고민지, 홍창현" >> $GITHUB_OUTPUT
          elif [[ $TARGET_BRANCH == "dev-be" ]]; then
            echo "team=BE" >> $GITHUB_OUTPUT
            echo "reviewers=<@U07GSBPT9ST> <@U07H0978N14>" >> $GITHUB_OUTPUT
            echo "reviewer_names=김영길, 김준서" >> $GITHUB_OUTPUT
          fi

      - name: Process PR title and body
        id: pr_process
        run: |
          # PR 제목 처리
          title='${{ github.event.pull_request.title }}'
          title="${title//'"'/'\\"'}"
          echo "title=${title}" >> $GITHUB_OUTPUT

          # PR 내용 처리
          body='${{ github.event.pull_request.body }}'
          # Remove HTML comments and their content
          body=$(echo "$body" | sed 's/<!--.*-->//g')
          # Remove image markdown
          body=$(echo "$body" | sed 's/<img[^>]*>//g')
          # Remove issue numbers
          body=$(echo "$body" | sed 's/#[0-9]*//g')
          # Clean up markdown headers and special characters
          body=$(echo "$body" | sed 's/##/*/g' | tr -d '\r')
          # Escape quotes and backslashes
          body="${body//\\/\\\\}"
          body="${body//\"/\\\"}"
          # Convert newlines to spaces
          body=$(echo "$body" | tr '\n' ' ' | sed 's/  */ /g')
          echo "body=${body}" >> $GITHUB_OUTPUT

      - name: Send Slack notification
        uses: 8398a7/action-slack@v3
        with:
          status: custom
          custom_payload: |
            {
              "blocks": [
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": "🔍 *새로운 ${{ steps.set-reviewers.outputs.team }} PR이 등록되었습니다*"
                  }
                },
                {
                  "type": "section",
                  "fields": [
                    {
                      "type": "mrkdwn",
                      "text": "*Repository:*\n${{ github.repository }}"
                    },
                    {
                      "type": "mrkdwn",
                      "text": "*작성자:*\n<@${{ github.event.pull_request.user.login }}>"
                    }
                  ]
                },
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": "*PR 제목:*\n<${{ github.event.pull_request.html_url }}|${{ steps.pr_process.outputs.title }}>"
                  }
                },
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": "*PR 설명:*\n${{ steps.pr_process.outputs.body }}"
                  }
                },
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": "👉 ${{ steps.set-reviewers.outputs.reviewers }} 리뷰 부탁드립니다!"
                  }
                },
                {
                  "type": "context",
                  "elements": [
                    {
                      "type": "mrkdwn",
                      "text": "✨ 리뷰어: ${{ steps.set-reviewers.outputs.reviewer_names }}"
                    }
                  ]
                }
              ]
            }
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}