Initial PR to send scheduled reports to a Slack channel, #PG-4491

.github/workflows/matomo-tests.yml

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+# Action for running tests
+# This file has been automatically created.
+# To recreate it you can run this command
+# ./console generate:test-action --plugin="Slack" --php-versions="7.2,8.4" --schedule-cron="0 5 * * 6"
+
+name: Plugin Slack Tests
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+  push:
+    branches:
+      - '**.x-dev'
+  workflow_dispatch:
+  schedule:
+  - cron: "0 5 * * 6"
+
+permissions:
+  actions: read
+  checks: none
+  contents: read
+  deployments: none
+  issues: read
+  packages: none
+  pull-requests: read
+  repository-projects: none
+  security-events: none
+  statuses: none
+
+concurrency:
+  group: php-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  PluginTests:
+    runs-on: ubuntu-24.04
+    strategy:
+      fail-fast: false
+      matrix:
+        php: [ '7.2', '8.4' ]
+        target: ['minimum_required_matomo', 'maximum_supported_matomo']
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          lfs: true
+          persist-credentials: false
+      - name: Install package ripgrep
+        run: sudo apt-get install ripgrep
+      - name: Run tests
+        uses: matomo-org/github-action-tests@main
+        with:
+          plugin-name: 'Slack'
+          php-version: ${{ matrix.php }}
+          test-type: 'PluginTests'
+          matomo-test-branch: ${{ matrix.target }}
+          redis-service: true
+          artifacts-pass: ${{ secrets.ARTIFACTS_PASS }}
+          upload-artifacts: ${{ matrix.php == '7.2' && matrix.target == 'maximum_supported_matomo' }}
+  UI:
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          lfs: true
+          persist-credentials: false
+      - name: running tests
+        uses: matomo-org/github-action-tests@main
+        with:
+          plugin-name: 'Slack'
+          matomo-test-branch: 'maximum_supported_matomo'
+          test-type: 'UI'
+          php-version: '7.2'
+          node-version: '16'
+          redis-service: true
+          artifacts-pass: ${{ secrets.ARTIFACTS_PASS }}
+          upload-artifacts: true

.github/workflows/phpcs.yml

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+name: PHPCS check
+
+on: pull_request
+
+permissions:
+  actions: read
+  checks: read
+  contents: read
+  deployments: none
+  issues: read
+  packages: none
+  pull-requests: read
+  repository-projects: none
+  security-events: none
+  statuses: read
+
+jobs:
+  phpcs:
+    name: PHPCS
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          lfs: false
+          persist-credentials: false
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '7.4'
+          tools: cs2pr
+      - name: Install dependencies
+        run:
+          composer init --name=matomo/slack --quiet;
+          composer --no-plugins config allow-plugins.dealerdirect/phpcodesniffer-composer-installer true -n;
+          composer config repositories.matomo-coding-standards vcs https://github.com/matomo-org/matomo-coding-standards -n;
+          composer require matomo-org/matomo-coding-standards:dev-master;
+          composer install --dev --prefer-dist --no-progress --no-suggest
+      - name: Check PHP code styles
+        id: phpcs
+        run: ./vendor/bin/phpcs --report-full --standard=phpcs.xml --report-checkstyle=./phpcs-report.xml
+      - name: Show PHPCS results in PR
+        if: ${{ always() && steps.phpcs.outcome == 'failure' }}
+        run: cs2pr ./phpcs-report.xml --prepend-filename

.gitignore

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+/tests/System/processed/
+/tests/Integration/Importers/processed/
+/tests/UI/processed-ui-screenshots/

CHANGELOG.md

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+## Changelog
+
+5.0.0 - 2025-09-01
+- Initial release to send scheduled reports to a Slack channel 

ScheduleReportSlack.php

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+<?php
+
+/**
+ * Matomo - free/libre analytics platform
+ *
+ * @link    https://matomo.org
+ * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
+declare(strict_types=1);
+
+namespace Piwik\Plugins\Slack;
+
+class ScheduleReportSlack
+{
+    /**
+     * @var string
+     */
+    private $subject;
+    /**
+     * @var string
+     */
+    private $fileName;
+
+    /**
+     * @var string
+     */
+    private $fileContents;
+
+    /**
+     * @var string
+     */
+    private $channel;
+
+    /**
+     * @var string
+     */
+    private $token;
+
+    /**
+     * @var string
+     */
+
+    public function __construct(
+        string $subject,
+        string $fileName,
+        string $fileContents,
+        string $channel,
+        #[\SensitiveParameter]
+        string $token
+    ) {
+        $this->subject = $subject;
+        $this->fileName = $fileName;
+        $this->fileContents = $fileContents;
+        $this->channel = $channel;
+        $this->token = $token;
+    }
+
+    public function send(): bool
+    {
+        $slackApi = new SlackApi($this->token);
+        return $slackApi->uploadFile($this->subject, $this->fileName, $this->fileContents, $this->channel);
+    }
+}