# Copyright 2020 The Actions Ecosystem Authors
# Modifications Copyright Materialize, Inc. and contributors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Portions of this file are derived from the README examples in the Action
# Slack Notifier project. The original source code was retrieved on
# January 5, 2022 from:
#
#     https://github.com/actions-ecosystem/action-slack-notifier/blob/fc778468d09c43a6f4d1b8cccaca59766656996a/README.md

# Send a notification to the #team-testing-risky Slack channel when a risky change is made.

name: Slack QA Risky Notifications

on:
  pull_request_target:
    types:
      - opened
      - reopened
      - ready_for_review
    paths:
      - src/pgwire/src/message.rs
      - src/sql/src/plan/statement.rs
      - src/catalog/src/builtin.rs
      - src/sql/src/rbac.rs
      - src/sqllogictest/src/runner.rs
      - src/adapter/src/coord/command_handler.rs
      - src/expr/src/relation/mod.rs
      - src/adapter/src/coord.rs
      - src/sql-parser/src/ast/defs/statement.rs
      - src/adapter/src/catalog.rs
      - src/sql/src/catalog.rs
      - src/pgwire/src/protocol.rs
      - src/expr/src/scalar/mod.rs
      - src/adapter/src/coord/sequencer.rs
      - src/sql/src/func.rs
      - src/sql/src/plan.rs
      - src/adapter/src/coord/sequencer/inner.rs
      - src/expr/src/scalar/func.rs
      - src/sql/src/plan/statement/ddl.rs
      - src/adapter/src/catalog.rs
      - src/adapter/src/coord.rs
      - src/sql/src/plan/query.rs
      - src/sql-parser/src/parser.rs

jobs:
  notify:
    name: "Notify about risky PRs"
    runs-on: ubuntu-latest
    if: ${{ !github.event.pull_request.draft }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 1
      - name: "Long change filter"
        id: long
        run: |
          num_lines=$(git diff --diff-filter=AM ${{ github.event.pull_request.base.sha }} -- '*.rs' | grep "^+" | grep -v "^+++" | wc -l)
          if [[ $num_lines -gt 300 ]]; then
            echo "long=true" >> $GITHUB_OUTPUT
          fi
      - name: "Push to Slack"
        if: steps.long.outputs.long == 'true'
        uses: actions-ecosystem/action-slack-notifier@fc778468d09c43a6f4d1b8cccaca59766656996a
        with:
          slack_token: ${{ secrets.SLACK_TOKEN }}
          channel: team-testing-risky
          custom_payload: |
            {
              "blocks": [
                {
                  "type": "section",
                  "text": {
                    "type": "mrkdwn",
                    "text": "• <${{ github.event.pull_request.html_url }}|${{ github.event.pull_request.title }}>"
                  }
                }
              ]
            }