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<?php |
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|
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/** |
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* Import Detector |
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* |
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* Database-level detection of SEO plugins. Works even when source plugins |
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* are deactivated by querying meta tables and custom tables directly. |
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* |
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* @package ThinkRank\Admin\Importers |
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* @since 2.0.0 |
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*/ |
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|
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declare(strict_types=1); |
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|
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namespace ThinkRank\Admin\Importers; |
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|
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if (!defined('ABSPATH')) { |
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exit; |
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} |
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|
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/** |
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* Import Detector Class |
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* |
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* @since 2.0.0 |
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*/ |
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class Import_Detector { |
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|
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/** |
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* Transient key for caching detection results |
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*/ |
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private const CACHE_KEY = 'thinkrank_import_detection'; |
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|
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/** |
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* Transient key for caching the native (ThinkRank's own data) counts |
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*/ |
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private const NATIVE_CACHE_KEY = 'thinkrank_export_detection'; |
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|
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/** |
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* Cache TTL in seconds (1 hour) |
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*/ |
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private const CACHE_TTL = 3600; |
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|
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/** |
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* Plugin detection configurations |
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*/ |
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private const PLUGINS = [ |
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'yoast' => [ |
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'name' => 'Yoast SEO', |
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'meta_prefix' => '_yoast_wpseo_', |
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'option_keys' => ['wpseo', 'wpseo_titles', 'wpseo_social'], |
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'plugin_files' => ['wordpress-seo/wp-seo.php', 'wordpress-seo-premium/wp-seo-premium.php'], |
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], |
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'rankmath' => [ |
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'name' => 'Rank Math', |
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'meta_prefix' => 'rank_math_', |
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'option_keys' => ['rank-math-options-general', 'rank-math-options-titles'], |
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'plugin_files' => ['seo-by-rank-math/rank-math.php', 'seo-by-rank-math-pro/rank-math-pro.php'], |
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], |
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'seopress' => [ |
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'name' => 'SEOPress', |
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'meta_prefix' => '_seopress_', |
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// SEOPress option names all carry the `_option_name` suffix. |
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'option_keys' => ['seopress_titles_option_name', 'seopress_social_option_name', 'seopress_advanced_option_name'], |
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'plugin_files' => ['wp-seopress/seopress.php', 'wp-seopress-pro/seopress-pro.php'], |
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], |
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'aioseo' => [ |
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'name' => 'All in One SEO', |
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'meta_prefix' => '', |
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'option_keys' => ['aioseo_options'], |
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'plugin_files' => ['all-in-one-seo-pack/all_in_one_seo_pack.php', 'all-in-one-seo-pack-pro/all_in_one_seo_pack.php'], |
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], |
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]; |
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|
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/** |
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* Detect all source plugins present in the database |
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* |
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* @param bool $use_cache Whether to use cached results |
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* @return array Detected plugins with item counts |
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*/ |
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public function detect(bool $use_cache = true): array { |
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if ($use_cache) { |
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$cached = get_transient(self::CACHE_KEY); |
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if ($cached !== false) { |
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return $cached; |
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} |
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} |
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|
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$detected = []; |
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|
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foreach (self::PLUGINS as $slug => $config) { |
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$result = $this->detect_plugin($slug, $config); |
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if ($result !== null) { |
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$detected[$slug] = $result; |
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} |
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} |
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|
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set_transient(self::CACHE_KEY, $detected, self::CACHE_TTL); |
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|
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return $detected; |
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} |
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|
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/** |
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* Detect ThinkRank's own exportable data. |
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* |
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* Deliberately NOT part of the PLUGINS registry that detect() walks. That |
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* registry describes plugins to migrate FROM: every entry is gated on |
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* is_source_active() (which would reject us), feeds the "import from" cards |
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* in the UI, and — most importantly — drives cleanup()'s prefix maps, which |
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* delete the listed plugin's live data. Keeping the native source on its |
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* own path avoids all three problems instead of special-casing each. |
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* |
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* @param bool $use_cache Whether to use cached results |
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* @return array|null Detection result, or null when there is nothing to export |
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*/ |
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public function detect_native(bool $use_cache = true): ?array { |
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if ($use_cache) { |
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$cached = get_transient(self::NATIVE_CACHE_KEY); |
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if ($cached !== false) { |
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return is_array($cached) ? $cached : null; |
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} |
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} |
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|
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$exporter = new Thinkrank_Exporter(); |
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$counts = $exporter->get_available_types(); |
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|
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$result = [ |
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'plugin' => $exporter->get_plugin_slug(), |
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'plugin_name' => $exporter->get_plugin_name(), |
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'counts' => $counts, |
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'total' => array_sum($counts), |
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]; |
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|
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set_transient(self::NATIVE_CACHE_KEY, $result, self::CACHE_TTL); |
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|
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return $result; |
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} |
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|
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/** |
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* Clear the detection cache |
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* |
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* @return void |
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*/ |
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public function clear_cache(): void { |
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delete_transient(self::CACHE_KEY); |
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delete_transient(self::NATIVE_CACHE_KEY); |
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} |
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|
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/** |
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* Detect a single plugin's data presence |
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* |
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* @param string $slug Plugin slug |
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* @param array $config Plugin configuration |
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* @return array|null Detection result or null if not found |
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*/ |
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private function detect_plugin(string $slug, array $config): ?array { |
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global $wpdb; |
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|
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// Only surface source plugins that are currently installed AND active. |
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// Migrating from a plugin the user no longer runs isn't actionable, so |
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// leftover data from a deactivated/uninstalled plugin is intentionally |
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// excluded from the migration screen. |
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if (!$this->is_source_active($config['plugin_files'] ?? [])) { |
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return null; |
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} |
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|
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$counts = []; |
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$total = 0; |
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|
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if ($slug === 'aioseo') { |
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// AIOSEO uses a custom table |
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$counts = $this->detect_aioseo(); |
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} else { |
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// Standard postmeta-based plugins |
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$prefix = $config['meta_prefix']; |
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|
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// Count posts with this plugin's meta |
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$post_count = (int) $wpdb->get_var( |
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$wpdb->prepare( |
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"SELECT COUNT(DISTINCT post_id) FROM {$wpdb->postmeta} WHERE meta_key LIKE %s", |
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$wpdb->esc_like($prefix) . '%' |
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) |
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); |
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|
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if ($post_count > 0) { |
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$counts['postmeta'] = $post_count; |
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} |
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|
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// Count terms with this plugin's meta |
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$term_count = (int) $wpdb->get_var( |
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$wpdb->prepare( |
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"SELECT COUNT(DISTINCT term_id) FROM {$wpdb->termmeta} WHERE meta_key LIKE %s", |
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$wpdb->esc_like($prefix) . '%' |
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) |
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); |
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|
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if ($term_count > 0) { |
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$counts['termmeta'] = $term_count; |
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} |
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} |
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|
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// Redirections / 404 logs. The UI derives its type checkboxes from |
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// these counts, so a type missing here is invisible to the user even |
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// when the exporter supports it (Rank Math Pro's redirects + 404 |
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// Monitor and Yoast Premium's redirects were never offered). |
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$counts = array_merge($counts, $this->detect_redirect_data($slug)); |
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|
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// Check for settings |
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$has_settings = false; |
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foreach ($config['option_keys'] as $option_key) { |
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if (get_option($option_key, null) !== null) { |
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$has_settings = true; |
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break; |
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} |
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} |
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|
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if ($has_settings) { |
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$counts['settings'] = 1; |
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} |
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|
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// Only return if we found something |
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if (empty($counts)) { |
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return null; |
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} |
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|
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foreach ($counts as $count) { |
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$total += $count; |
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} |
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|
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return [ |
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'plugin' => $slug, |
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'plugin_name' => $config['name'], |
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'counts' => $counts, |
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'total' => $total, |
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]; |
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} |
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|
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/** |
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* Whether any of a source plugin's known main files is active. |
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* |
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* Checks both single-site and network activation. A plugin that is merely |
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* installed but not active returns false. |
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* |
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* @param string[] $plugin_files Candidate plugin main files (free + pro). |
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* @return bool |
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*/ |
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private function is_source_active(array $plugin_files): bool { |
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if (empty($plugin_files)) { |
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return false; |
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} |
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|
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if (!function_exists('is_plugin_active')) { |
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require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
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} |
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|
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foreach ($plugin_files as $plugin_file) { |
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if (is_plugin_active($plugin_file)) { |
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return true; |
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} |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Count a source plugin's redirect / 404-log stores, matching what its |
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* exporter reads. |
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* |
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* @param string $slug Plugin slug |
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* @return array Partial counts (redirections / 404_logs keys only) |
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*/ |
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private function detect_redirect_data(string $slug): array { |
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global $wpdb; |
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|
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$counts = []; |
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|
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$count_table = static function (string $suffix) use ($wpdb): int { |
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$table = $wpdb->prefix . $suffix; |
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if (!$wpdb->get_var($wpdb->prepare('SHOW TABLES LIKE %s', $table))) { |
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return 0; |
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} |
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// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
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return (int) $wpdb->get_var("SELECT COUNT(*) FROM {$table}"); |
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}; |
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|
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if ($slug === 'rankmath') { |
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$redirects = $count_table('rank_math_redirections'); |
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if ($redirects > 0) { |
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$counts['redirections'] = $redirects; |
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} |
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$logs = $count_table('rank_math_404_logs'); |
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if ($logs > 0) { |
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$counts['404_logs'] = $logs; |
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} |
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} elseif ($slug === 'yoast') { |
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$redirects = $count_table('yoast_seo_redirects'); |
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if ($redirects > 0) { |
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$counts['redirections'] = $redirects; |
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} |
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} elseif ($slug === 'seopress') { |
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$redirects = (int) $wpdb->get_var( |
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"SELECT COUNT(*) FROM {$wpdb->posts} WHERE post_type = 'seopress_404'" |
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); |
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if ($redirects > 0) { |
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$counts['redirections'] = $redirects; |
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} |
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} |
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|
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return $counts; |
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} |
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|
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/** |
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* Detect AIOSEO custom table data |
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* |
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* @return array Counts array |
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*/ |
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private function detect_aioseo(): array { |
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global $wpdb; |
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|
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$counts = []; |
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$table_name = $wpdb->prefix . 'aioseo_posts'; |
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|
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// Check if table exists |
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$table_exists = $wpdb->get_var( |
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$wpdb->prepare("SHOW TABLES LIKE %s", $table_name) |
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); |
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|
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if ($table_exists) { |
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// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- table name is $wpdb->prefix plus a literal, and every value is passed as a placeholder replacement. |
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$post_count = (int) $wpdb->get_var("SELECT COUNT(*) FROM {$table_name}"); |
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if ($post_count > 0) { |
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$counts['postmeta'] = $post_count; |
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} |
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} |
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|
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// Check for redirections table |
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$redirects_table = $wpdb->prefix . 'aioseo_redirects'; |
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$redirects_exists = $wpdb->get_var( |
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$wpdb->prepare("SHOW TABLES LIKE %s", $redirects_table) |
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); |
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|
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if ($redirects_exists) { |
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// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- table name is $wpdb->prefix plus a literal, and every value is passed as a placeholder replacement. |
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$redirect_count = (int) $wpdb->get_var("SELECT COUNT(*) FROM {$redirects_table}"); |
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if ($redirect_count > 0) { |
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$counts['redirections'] = $redirect_count; |
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} |
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} |
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|
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return $counts; |
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} |
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} |
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|
