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<?php |
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|
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/** |
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* The database operations for the redirections. |
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* |
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* @since 1.0.0 |
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* @package Metasync |
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* @subpackage Metasync/redirections |
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* @author Engineering Team <[email protected]> |
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*/ |
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if (!class_exists('Metasync_Redirection_Database')) { |
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class Metasync_Redirection_Database |
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{ |
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public static $table_name = "metasync_redirections"; |
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private static $structure_verified = false; |
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|
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private function get_table_name() |
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{ |
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global $wpdb; |
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return $wpdb->prefix . self::$table_name; |
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} |
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|
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/** |
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* Ensure table structure is up to date |
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*/ |
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private function ensure_table_structure() |
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{ |
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// Run schema inspection at most once per request — table schema only changes on activation/upgrade, handled by class-db-migrations.php. |
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if (self::$structure_verified) { return; } |
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self::$structure_verified = true; |
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|
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global $wpdb; |
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$table_name = $this->get_table_name(); |
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|
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// Check if table exists |
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if ($wpdb->get_var($wpdb->prepare("SHOW TABLES LIKE %s", $table_name)) != $table_name) { |
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// Table doesn't exist, run full migration |
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require_once dirname(__FILE__, 2) . '/database/class-db-migrations.php'; |
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MetaSync_DBMigration::activation(); |
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return; |
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} |
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|
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// Check if required columns exist |
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$columns = $wpdb->get_col("DESCRIBE {$table_name}"); |
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|
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$required_columns = [ |
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'pattern_type' => "ALTER TABLE {$table_name} ADD COLUMN pattern_type ENUM('exact', 'contain', 'start', 'end', 'regex', 'wildcard') NOT NULL DEFAULT 'exact' AFTER status", |
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'regex_pattern' => "ALTER TABLE {$table_name} ADD COLUMN regex_pattern TEXT NULL AFTER pattern_type", |
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'description' => "ALTER TABLE {$table_name} ADD COLUMN description TEXT NULL AFTER regex_pattern", |
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'created_at' => "ALTER TABLE {$table_name} ADD COLUMN created_at DATETIME NOT NULL DEFAULT '0000-00-00 00:00:00' AFTER description", |
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'updated_at' => "ALTER TABLE {$table_name} ADD COLUMN updated_at DATETIME NOT NULL DEFAULT '0000-00-00 00:00:00' AFTER created_at", |
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'last_accessed_at' => "ALTER TABLE {$table_name} ADD COLUMN last_accessed_at DATETIME NOT NULL DEFAULT '0000-00-00 00:00:00' AFTER updated_at" |
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]; |
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|
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foreach ($required_columns as $column => $sql) { |
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if (!in_array($column, $columns)) { |
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$wpdb->query($sql); |
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} |
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} |
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|
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// Widen pattern_type for installs whose column predates wildcard |
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// matching — column-exists checks never re-ALTER, so the enum would |
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// otherwise keep silently rejecting wildcard rows. |
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if (in_array('pattern_type', $columns)) { |
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$column_info = $wpdb->get_row($wpdb->prepare("SHOW COLUMNS FROM {$table_name} LIKE %s", 'pattern_type')); |
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if ($column_info && strpos((string) $column_info->Type, 'wildcard') === false) { |
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$wpdb->query("ALTER TABLE {$table_name} MODIFY COLUMN pattern_type ENUM('exact', 'contain', 'start', 'end', 'regex', 'wildcard') NOT NULL DEFAULT 'exact'"); |
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} |
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} |
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|
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// Check and add indexes |
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$indexes = $wpdb->get_results("SHOW INDEX FROM {$table_name}"); |
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$index_names = array_column($indexes, 'Key_name'); |
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|
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$required_indexes = [ |
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'pattern_type' => "ALTER TABLE {$table_name} ADD KEY pattern_type (pattern_type)", |
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'created_at' => "ALTER TABLE {$table_name} ADD KEY created_at (created_at)", |
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'status_created' => "ALTER TABLE {$table_name} ADD KEY status_created (status, created_at)" |
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]; |
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|
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foreach ($required_indexes as $index => $sql) { |
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if (!in_array($index, $index_names)) { |
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$wpdb->query($sql); |
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} |
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} |
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|
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// Set default pattern_type for existing records |
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$wpdb->query("UPDATE {$table_name} SET pattern_type = 'exact' WHERE pattern_type IS NULL OR pattern_type = ''"); |
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} |
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|
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/** |
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* Manually trigger table structure update |
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* Can be called from admin or via AJAX if needed |
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*/ |
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public function force_table_update() |
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{ |
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self::$structure_verified = false; |
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$this->ensure_table_structure(); |
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return true; |
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} |
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|
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public function getAllRecords() |
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{ |
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global $wpdb; |
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$tableName = $this->get_table_name(); |
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return $wpdb->get_results(" SELECT * FROM `$tableName` "); |
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} |
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|
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public function getAllActiveRecords() |
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{ |
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global $wpdb; |
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$tableName = $this->get_table_name(); |
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|
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// Check cache first |
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$cache_key = 'metasync_active_redirections'; |
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$cached_redirections = wp_cache_get($cache_key, 'metasync'); |
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|
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if ($cached_redirections !== false) { |
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return $cached_redirections; |
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} |
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|
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// id tiebreaker: created_at has one-second resolution, so rows created in |
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// the same second (bulk import, migrations) would come back in arbitrary |
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// order — and the engine's first-match-wins scan would then be |
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// nondeterministic between requests. |
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$redirections = $wpdb->get_results($wpdb->prepare("SELECT * FROM `$tableName` WHERE status = %s ORDER BY created_at DESC, id DESC", 'active')); |
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|
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// Cache for 1 hour |
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wp_cache_set($cache_key, $redirections, 'metasync', HOUR_IN_SECONDS); |
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|
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return $redirections; |
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} |
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|
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/** |
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* Find a single redirection by ID |
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* @param int $id The redirection ID |
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* @return object|null The redirection record or null if not found |
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*/ |
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public function find($id) |
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{ |
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global $wpdb; |
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$tableName = $this->get_table_name(); |
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return $wpdb->get_row($wpdb->prepare("SELECT * FROM `$tableName` WHERE id = %d", intval($id))); |
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} |
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|
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/** |
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* Add a record. |
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* @param array $args Values to insert. |
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*/ |
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public function add($args) |
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{ |
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global $wpdb; |
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|
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// Ensure table structure is up to date |
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$this->ensure_table_structure(); |
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|
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$args = wp_parse_args( |
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$args, |
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[ |
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'sources_from' => [], |
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'url_redirect_to' => site_url(), |
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'http_code' => 301, |
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'hits_count' => 0, |
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'status' => 'active', |
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'pattern_type' => 'exact', |
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'regex_pattern' => null, |
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'description' => '', |
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'created_at' => current_time('mysql'), |
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'updated_at' => current_time('mysql'), |
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] |
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); |
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|
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// Serialize sources_from if array (rest of codebase uses serialized format) |
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if ( is_array( $args['sources_from'] ) ) { |
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$sources = $args['sources_from']; |
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$args['sources_from'] = serialize( array_combine( array_values( $sources ), array_fill( 0, count( $sources ), 'exact' ) ) ?: [] ); |
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} |
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|
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$result = $wpdb->insert( $this->get_table_name(), $args ); |
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|
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// Clear cache after adding |
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$this->clear_cache(); |
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|
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return $result !== false ? (int) $wpdb->insert_id : false; |
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} |
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|
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/** |
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* Update a record. |
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* @param array $args Values to update. |
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* @param string $id |
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*/ |
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public function update($args, $id) |
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{ |
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global $wpdb; |
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|
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// Ensure table structure is up to date |
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$this->ensure_table_structure(); |
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|
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$tableName = $this->get_table_name(); |
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$row = $wpdb->get_row($wpdb->prepare("SELECT * FROM `$tableName` WHERE `id` = %s ", $id)); |
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if (!$row) return false; |
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|
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$args['updated_at'] = current_time('mysql'); |
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$result = $wpdb->update($tableName, $args, ['id' => $id]); |
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|
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// Clear cache after updating |
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$this->clear_cache(); |
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|
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// Row count on success (0 = no-op write), false on query failure — |
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// callers checking `=== false` could never fire against void. |
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return $result; |
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} |
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|
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/** |
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* Get total number of rows in the DB table). |
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*/ |
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public function get_count() |
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{ |
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global $wpdb; |
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$tableName = $this->get_table_name(); |
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return (int) $wpdb->get_var("SELECT COUNT(*) FROM `$tableName`"); |
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} |
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|
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/** |
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* Delete a redirection record. |
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*/ |
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public function delete($items) |
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{ |
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global $wpdb; |
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$tableName = $this->get_table_name(); |
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if (!is_array($items) || empty($items)) return; |
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$ids = implode(',', array_fill(0, count($items), '%d')); |
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$wpdb->query($wpdb->prepare( |
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" |
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DELETE FROM `$tableName` |
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WHERE `id` IN ($ids) ", |
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$items |
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)); |
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|
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// Clear cache after deleting |
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$this->clear_cache(); |
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} |
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|
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/** |
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* activate a redirection record. |
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*/ |
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public function update_status($items, $status) |
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{ |
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global $wpdb; |
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$tableName = $this->get_table_name(); |
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if (!is_array($items) || empty($items)) return; |
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$ids = implode(', ', array_fill(0, count($items), '%d')); |
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$set_status = $wpdb->prepare( |
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" |
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UPDATE `$tableName` |
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SET `status` = %s, `updated_at` = %s", |
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$status, |
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current_time('mysql') |
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); |
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$where = $wpdb->prepare( |
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" |
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WHERE `id` IN ( $ids )", |
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$items |
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); |
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$query = "{$set_status}{$where}"; |
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$wpdb->query($query); |
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|
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// Clear cache after updating status |
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$this->clear_cache(); |
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} |
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|
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/** |
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* Update if URL is matched and hit. |
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* @param object $row Record to update. |
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*/ |
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public function update_counter($row) |
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{ |
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global $wpdb; |
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// Atomic increment. The $row object comes from getAllActiveRecords(), |
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// which can be an hour-stale cache hit, and concurrent requests that |
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// both read the same hits_count would lose every hit but one. Bump in |
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// SQL so the stored counter is correct regardless of what $row saw. |
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$wpdb->query( |
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$wpdb->prepare( |
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"UPDATE `" . $this->get_table_name() . "` SET `hits_count` = `hits_count` + 1, `last_accessed_at` = %s WHERE `id` = %d", |
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current_time('mysql'), |
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absint($row->id) |
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) |
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); |
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} |
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|
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/** |
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* Clear redirection cache |
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*/ |
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public function clear_cache() |
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{ |
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wp_cache_delete('metasync_active_redirections', 'metasync'); |
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} |
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|
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/** |
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* Search redirections with filters |
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* @param array $filters Search filters |
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*/ |
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public function search_redirections($filters = []) |
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{ |
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global $wpdb; |
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$tableName = $this->get_table_name(); |
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|
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$where_conditions = ['1=1']; |
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$where_values = []; |
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|
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if (!empty($filters['search'])) { |
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$where_conditions[] = "(sources_from LIKE %s OR url_redirect_to LIKE %s OR description LIKE %s)"; |
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$search_term = '%' . $wpdb->esc_like($filters['search']) . '%'; |
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$where_values[] = $search_term; |
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$where_values[] = $search_term; |
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$where_values[] = $search_term; |
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} |
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|
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if (!empty($filters['status'])) { |
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$where_conditions[] = "status = %s"; |
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$where_values[] = $filters['status']; |
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} |
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|
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if (!empty($filters['pattern_type'])) { |
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$where_conditions[] = "pattern_type = %s"; |
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$where_values[] = $filters['pattern_type']; |
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} |
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|
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if (!empty($filters['http_code'])) { |
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$where_conditions[] = "http_code = %d"; |
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$where_values[] = intval($filters['http_code']); |
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} |
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|
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$where_clause = implode(' AND ', $where_conditions); |
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$order_by = !empty($filters['order_by']) ? sanitize_sql_orderby($filters['order_by']) : 'created_at'; |
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$order = !empty($filters['order']) && strtoupper($filters['order']) === 'ASC' ? 'ASC' : 'DESC'; |
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|
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// Add pagination support |
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$limit_clause = ''; |
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if (isset($filters['per_page']) && isset($filters['offset'])) { |
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$limit_clause = " LIMIT %d OFFSET %d"; |
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$where_values[] = intval($filters['per_page']); |
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$where_values[] = intval($filters['offset']); |
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} |
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|
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$query = "SELECT * FROM `$tableName` WHERE $where_clause ORDER BY $order_by $order" . $limit_clause; |
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|
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if (!empty($where_values)) { |
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return $wpdb->get_results($wpdb->prepare($query, $where_values)); |
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} else { |
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return $wpdb->get_results($query); |
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} |
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} |
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|
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/** |
| 357 |
* Count total redirections with filters (for pagination) |
| 358 |
* @param array $filters Search filters |
| 359 |
*/ |
| 360 |
public function count_redirections($filters = []) |
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{ |
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global $wpdb; |
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$tableName = $this->get_table_name(); |
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|
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$where_conditions = ['1=1']; |
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$where_values = []; |
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|
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if (!empty($filters['search'])) { |
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$where_conditions[] = "(sources_from LIKE %s OR url_redirect_to LIKE %s OR description LIKE %s)"; |
| 370 |
$search_term = '%' . $wpdb->esc_like($filters['search']) . '%'; |
| 371 |
$where_values[] = $search_term; |
| 372 |
$where_values[] = $search_term; |
| 373 |
$where_values[] = $search_term; |
| 374 |
} |
| 375 |
|
| 376 |
if (!empty($filters['status'])) { |
| 377 |
$where_conditions[] = "status = %s"; |
| 378 |
$where_values[] = $filters['status']; |
| 379 |
} |
| 380 |
|
| 381 |
if (!empty($filters['pattern_type'])) { |
| 382 |
$where_conditions[] = "pattern_type = %s"; |
| 383 |
$where_values[] = $filters['pattern_type']; |
| 384 |
} |
| 385 |
|
| 386 |
if (!empty($filters['http_code'])) { |
| 387 |
$where_conditions[] = "http_code = %d"; |
| 388 |
$where_values[] = intval($filters['http_code']); |
| 389 |
} |
| 390 |
|
| 391 |
$where_clause = implode(' AND ', $where_conditions); |
| 392 |
$query = "SELECT COUNT(*) FROM `$tableName` WHERE $where_clause"; |
| 393 |
|
| 394 |
if (!empty($where_values)) { |
| 395 |
return $wpdb->get_var($wpdb->prepare($query, $where_values)); |
| 396 |
} else { |
| 397 |
return $wpdb->get_var($query); |
| 398 |
} |
| 399 |
} |
| 400 |
} |
| 401 |
} |
| 402 |
|
