Add new GitHub action for using newer WP image

[MAILPOET-6097]

.github/workflows/check-wordpress-versions.yml

@@ -0,0 +1,35 @@
+name: Check WordPress Docker Versions
+
+on:
+  workflow_dispatch: # Allows manual triggering
+    branches:
+      - circle-ci-wordpress-image
+jobs:
+  check-versions:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Set up PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.3' # Specify the PHP version you want to use
+
+      - name: Check WordPress Docker Versions
+        run: php .github/workflows/scripts/check_wordpress_versions.php
+
+      - name: Check for changes
+        id: git_diff
+        run: |
+          git config --global user.name 'github-actions[bot]'
+          git config --global user.email 'github-actions[bot]@users.noreply.github.com'
+          git diff --exit-code || echo "::set-output name=changes::true"
+
+      - name: Commit changes
+        if: steps.git_diff.outputs.changes == 'true'
+        run: |
+          git add config.yml
+          git commit -m 'Update used WordPress images in Circle CI'
+          git push origin HEAD:refs/heads/circle-ci-wordpress-image

.github/workflows/scripts/check_wordpress_versions.php

@@ -0,0 +1,105 @@
+<?php
+
+function fetchData($url): array {
+  $response = file_get_contents($url);
+  return json_decode($response, true);
+}
+
+function getWordpressVersions($page = 1, $pageSize = 100): array {
+  $url = "https://registry.hub.docker.com/v2/repositories/library/wordpress/tags?page_size={$pageSize}&page={$page}";
+  $data = fetchData($url);
+  return array_column($data['results'], 'name');
+}
+
+function filterVersions($versions): array {
+  return array_filter($versions, fn($version) => preg_match('/^\d+\.\d+\.\d+-php\d+\.\d+$/', $version));
+}
+
+function sortVersions(&$versions) {
+  usort($versions, function($a, $b) {
+    [$wpA, $phpA] = explode('-php', $a);
+    [$wpB, $phpB] = explode('-php', $b);
+
+    $wpCompare = version_compare($wpB, $wpA);
+    return $wpCompare !== 0 ? $wpCompare : version_compare($phpB, $phpA);
+  });
+}
+
+function getLatestAndPreviousVersions($sortedVersions) {
+  $uniqueVersions = [];
+  foreach ($sortedVersions as $version) {
+    [$wpVersion] = explode('-php', $version);
+    $majorMinorVersion = preg_replace('/\.\d+$/', '', $wpVersion);
+    $uniqueVersions[$majorMinorVersion][] = $version;
+  }
+
+  krsort($uniqueVersions);
+  $latestVersionGroup = reset($uniqueVersions);
+  $previousVersionGroup = next($uniqueVersions);
+
+  if ($previousVersionGroup === false) {
+    return [$latestVersionGroup[0], null];
+  }
+
+  return [reset($latestVersionGroup), end($previousVersionGroup)];
+}
+
+function replaceVersionInFile($filePath, $pattern, $replacement) {
+  $content = file_get_contents($filePath);
+
+  if ($content === false) {
+    die("Failed to read the file at $filePath.");
+  }
+
+  $updatedContent = preg_replace($pattern, $replacement, $content);
+
+  if ($updatedContent === null || $updatedContent === $content) {
+    echo "Nothing to update in $filePath\n";
+    return;
+  }
+
+  if (file_put_contents($filePath, $updatedContent) === false) {
+    die("Failed to write the updated file at $filePath.");
+  }
+}
+
+function replaceLatestVersion($latestVersion) {
+  replaceVersionInFile(
+    __DIR__ . './../../../mailpoet/tests/docker/docker-compose.yml',
+    '/(wordpress:\${WORDPRESS_IMAGE_VERSION:-\s*)\d+\.\d+\.?\d*-php\d+\.\d+(})/',
+    '${1}' . $latestVersion . '${2}'
+  );
+}
+
+function replacePreviousVersion($previousVersion) {
+  replaceVersionInFile(
+    __DIR__ . './../../../.circleci/config.yml',
+    '/(wordpress_image_version: )\d+\.\d+\.?\d*-php\d+\.\d+/',
+    '${1}' . $previousVersion
+  );
+}
+
+$allVersions = [];
+$page = 1;
+$maxPages = 4;
+$latestVersion = null;
+$previousVersion = null;
+
+echo "Fetching WordPress versions...\n";
+
+while (($latestVersion === null || $previousVersion === null) && $page <= $maxPages) {
+  $versions = getWordpressVersions($page);
+  $allVersions = array_merge($allVersions, $versions);
+  $allVersions = filterVersions($allVersions);
+  sortVersions($allVersions);
+  [$latestVersion, $previousVersion] = getLatestAndPreviousVersions($allVersions);
+  $page++;
+}
+
+echo "Latest version: $latestVersion\n";
+echo "Previous version: $previousVersion\n";
+
+echo "Replacing the latest version in the docker file...\n";
+replaceLatestVersion($latestVersion);
+echo "Replacing the previous version in the config file...\n";
+replacePreviousVersion($previousVersion);