| 1 |
<?php |
| 2 |
/** |
| 3 |
* SureDonation Database Tables Base Class. |
| 4 |
* |
| 5 |
* @package SureDonation |
| 6 |
*/ |
| 7 |
|
| 8 |
namespace SureDonation\Inc\Database; |
| 9 |
|
| 10 |
use SureDonation\Inc\Helper; |
| 11 |
|
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// Exit if accessed directly. |
| 13 |
defined( 'ABSPATH' ) || exit; |
| 14 |
|
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/** |
| 16 |
* SureDonation Database Tables Base Class |
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* |
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* Provides basic database operations using $wpdb methods. |
| 19 |
* All queries in child classes use $wpdb->prepare() with explicit placeholders. |
| 20 |
* |
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* @since 0.0.1 |
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*/ |
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abstract class Base { |
| 24 |
/** |
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* Option key for database table versions within consolidated options. |
| 26 |
* |
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* @since 0.0.1 |
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*/ |
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public const VERSION_OPTION_KEY = 'database_table_versions'; |
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|
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/** |
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* WordPress Database class instance. |
| 33 |
* |
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* @var \wpdb |
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* @since 0.0.1 |
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*/ |
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protected $wpdb; |
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|
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/** |
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* Current database table prefix mixed with 'suredonation_' as ending. |
| 41 |
* |
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* @var string |
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* @since 0.0.1 |
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*/ |
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protected $table_prefix; |
| 46 |
|
| 47 |
/** |
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* Custom table suffix without any prefix. This needs to be overridden from child class. |
| 49 |
* |
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* @var string |
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* @since 0.0.1 |
| 52 |
*/ |
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protected $table_suffix; |
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|
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/** |
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* Version for current custom table. |
| 57 |
* |
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* @var int |
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* @since 0.0.1 |
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*/ |
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protected $table_version = 1; |
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|
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/** |
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* Full table name mixed with table prefix and table suffix. |
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* |
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* @var string |
| 67 |
* @since 0.0.1 |
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*/ |
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private $table_name; |
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|
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/** |
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* Whether or not the current database table is upgradable. |
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* |
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* @var bool |
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* @since 0.0.1 |
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*/ |
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protected $db_upgradable; |
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|
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/** |
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* Previously stored version of this table before the current upgrade |
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* (0 when the table had no recorded version yet). Exposed so child classes |
| 82 |
* can gate one-time data migrations in run_data_migrations(). |
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* |
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* @var int |
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* @since 1.3.0 |
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*/ |
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protected $prev_version = 0; |
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|
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/** |
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* Current table database result caches. |
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* |
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* @var array<mixed> |
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* @since 0.0.1 |
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*/ |
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private $caches = []; |
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|
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/** |
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* Init class. |
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* |
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* @return void |
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* @since 0.0.1 |
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*/ |
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public function __construct() { |
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global $wpdb; |
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|
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$this->wpdb = $wpdb; |
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$this->table_prefix = $this->wpdb->prefix . 'suredonation_'; |
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$this->table_name = $this->table_prefix . $this->table_suffix; |
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} |
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|
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/** |
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* Actions to initialize during object unload. |
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* |
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* @return void |
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* @since 0.0.1 |
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*/ |
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public function __destruct() { |
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$this->stop_db_upgrade(); |
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} |
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|
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/** |
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* Returns the current table schema. |
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* |
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* @return array<string,array<mixed>> |
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* @since 0.0.1 |
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*/ |
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abstract public function get_schema(); |
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|
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/** |
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* Current table columns definition to create table. |
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* |
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* @return array<string> |
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* @since 0.0.1 |
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*/ |
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abstract public function get_columns_definition(); |
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|
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/** |
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* Columns to add if the table already exists. Override in child class. |
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* Each entry is a bare SQL fragment: "column_name TYPE [constraints] [AFTER other_col]" |
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* or "INDEX index_name (column)" for indexes. |
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* |
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* @return array<string> |
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* @since 1.0.0 |
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*/ |
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public function get_new_columns_definition() { |
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return []; |
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} |
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|
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/** |
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* Run one-time data migrations for this table after its columns are in |
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* place. Called only while the table is upgradable (see register.php). |
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* No-op by default; override in a child class and gate on $this->prev_version. |
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* |
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* @return void |
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* @since 1.3.0 |
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*/ |
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public function run_data_migrations() {} |
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|
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/** |
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* Start the database upgrade process. |
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* |
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* @return void |
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* @since 0.0.1 |
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*/ |
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public function start_db_upgrade() { |
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$versions = Helper::get_suredonation_option( self::VERSION_OPTION_KEY, [] ); |
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$versions = is_array( $versions ) ? $versions : []; |
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$prev_version = ! empty( $versions[ $this->table_suffix ] ) ? absint( $versions[ $this->table_suffix ] ) : false; |
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|
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$this->prev_version = $prev_version ? (int) $prev_version : 0; |
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|
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if ( ! $prev_version ) { |
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$this->db_upgradable = true; |
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return; |
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} |
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|
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$this->db_upgradable = $this->table_version > $prev_version; |
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} |
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|
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/** |
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* Stop the database upgrade process. |
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* |
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* @return bool Returns true on success. |
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* @since 0.0.1 |
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*/ |
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public function stop_db_upgrade() { |
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if ( ! $this->db_upgradable ) { |
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return false; |
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} |
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|
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$versions = Helper::get_suredonation_option( self::VERSION_OPTION_KEY, [] ); |
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$versions = is_array( $versions ) ? $versions : []; |
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|
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$versions[ $this->table_suffix ] = $this->table_version; |
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|
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Helper::update_suredonation_option( self::VERSION_OPTION_KEY, $versions ); |
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|
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return true; |
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} |
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|
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/** |
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* Check if current table's DB is upgradable or not. |
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* |
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* @return bool True or false depending if DB is upgradable or not. |
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* @since 0.0.1 |
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*/ |
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public function is_db_upgradable() { |
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return $this->db_upgradable; |
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} |
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|
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/** |
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* Returns full table name. |
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* |
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* @return string |
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* @since 0.0.1 |
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*/ |
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public function get_tablename() { |
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return $this->table_name; |
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} |
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|
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/** |
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* Conditionally returns current database charset or collate. |
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* |
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* @return string |
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* @since 0.0.1 |
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*/ |
| 227 |
public function get_charset_collate() { |
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$charset_collate = ''; |
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|
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if ( $this->wpdb->has_cap( 'collation' ) ) { |
| 231 |
if ( ! empty( $this->wpdb->charset ) ) { |
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$charset_collate = "DEFAULT CHARACTER SET {$this->wpdb->charset}"; |
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} |
| 234 |
if ( ! empty( $this->wpdb->collate ) ) { |
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$charset_collate .= " COLLATE {$this->wpdb->collate}"; |
| 236 |
} |
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} |
| 238 |
|
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return $charset_collate; |
| 240 |
} |
| 241 |
|
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/** |
| 243 |
* Create table. |
| 244 |
* |
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* @param array<string> $columns Array of columns. |
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* @return int|bool |
| 247 |
* @since 0.0.1 |
| 248 |
*/ |
| 249 |
public function create( $columns = [] ) { |
| 250 |
if ( ! $this->db_upgradable ) { |
| 251 |
return false; |
| 252 |
} |
| 253 |
|
| 254 |
if ( empty( $columns ) ) { |
| 255 |
return false; |
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} |
| 257 |
|
| 258 |
$columns_list = implode( ', ', $columns ); |
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$wpdb = $this->wpdb; |
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|
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// `$wpdb->prepare()` cannot be used here: it escapes single quotes in |
| 262 |
// the interpolated column-definition string, turning literal `DEFAULT ''` |
| 263 |
// into `DEFAULT \'\'`, which MySQL rejects with a syntax error. The |
| 264 |
// table name, column list, and charset are all hardcoded DDL (not user |
| 265 |
// input), so direct concatenation is safe. |
| 266 |
// |
| 267 |
// Column definitions must quote string literals with single quotes. |
| 268 |
// wpdb strips the composite `ANSI` sql_mode on connect but not a |
| 269 |
// standalone `ANSI_QUOTES`, under which `DEFAULT ""` parses as an empty |
| 270 |
// identifier and fails the statement permanently on every retry. |
| 271 |
$query = sprintf( |
| 272 |
'CREATE TABLE IF NOT EXISTS `%s` ( %s ) %s', |
| 273 |
esc_sql( $this->get_tablename() ), |
| 274 |
$columns_list, |
| 275 |
$this->get_charset_collate() |
| 276 |
); |
| 277 |
|
| 278 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.SchemaChange, WordPress.DB.PreparedSQL.NotPrepared |
| 279 |
$result = $wpdb->query( $query ); |
| 280 |
|
| 281 |
if ( false === $result ) { |
| 282 |
$this->db_upgradable = false; |
| 283 |
} |
| 284 |
|
| 285 |
return $result; |
| 286 |
} |
| 287 |
|
| 288 |
/** |
| 289 |
* Add new columns to an existing table conditionally. |
| 290 |
* |
| 291 |
* Checks existing columns/indexes and only adds missing ones via ALTER TABLE. |
| 292 |
* |
| 293 |
* @param array<string> $new_columns Column definitions to add. |
| 294 |
* @return int|bool Result of ALTER query, or false. |
| 295 |
* @since 1.0.0 |
| 296 |
*/ |
| 297 |
public function maybe_add_new_columns( $new_columns = [] ) { |
| 298 |
if ( ! $new_columns ) { |
| 299 |
return false; |
| 300 |
} |
| 301 |
|
| 302 |
if ( ! $this->db_upgradable ) { |
| 303 |
return false; |
| 304 |
} |
| 305 |
|
| 306 |
$existing_columns = $this->get_columns(); |
| 307 |
|
| 308 |
if ( ! $existing_columns ) { |
| 309 |
// Table does not exist or is new. |
| 310 |
return false; |
| 311 |
} |
| 312 |
|
| 313 |
$existing_indexes = $this->get_indexes(); |
| 314 |
$alter_queries = []; |
| 315 |
$wpdb = $this->wpdb; |
| 316 |
|
| 317 |
foreach ( $new_columns as $column_definition ) { |
| 318 |
// Check if this is an INDEX definition. |
| 319 |
preg_match( '/INDEX\s+(.*?)\s+\(/', $column_definition, $index_matches ); |
| 320 |
|
| 321 |
if ( ! empty( $index_matches[1] ) ) { |
| 322 |
if ( isset( $existing_indexes[ $index_matches[1] ] ) ) { |
| 323 |
continue; // Index already exists. |
| 324 |
} |
| 325 |
// Index definitions come from get_new_columns() — hardcoded DDL, not user input. |
| 326 |
// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- Hardcoded DDL fragment from get_new_columns(). |
| 327 |
$alter_queries[] = 'ADD ' . $column_definition; |
| 328 |
continue; |
| 329 |
} |
| 330 |
|
| 331 |
// Extract column name from definition. |
| 332 |
preg_match( '/(\w+)\s/', $column_definition, $column_matches ); |
| 333 |
$column_name = $column_matches[1] ?? ''; |
| 334 |
|
| 335 |
if ( ! isset( $existing_columns[ $column_name ] ) ) { |
| 336 |
// Column definitions come from get_new_columns() — hardcoded DDL, not user input. |
| 337 |
// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- Hardcoded DDL fragment from get_new_columns(). |
| 338 |
$alter_queries[] = 'ADD COLUMN ' . $column_definition; |
| 339 |
} |
| 340 |
} |
| 341 |
|
| 342 |
if ( ! $alter_queries ) { |
| 343 |
return false; |
| 344 |
} |
| 345 |
|
| 346 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.SchemaChange, WordPress.DB.PreparedSQL.NotPrepared -- ALTER TABLE with prepared table name and hardcoded DDL fragments. |
| 347 |
$result = $wpdb->query( $wpdb->prepare( 'ALTER TABLE %i ', $this->get_tablename() ) . implode( ', ', $alter_queries ) . ';' ); |
| 348 |
|
| 349 |
if ( false === $result ) { |
| 350 |
$this->db_upgradable = false; |
| 351 |
} |
| 352 |
|
| 353 |
return $result; |
| 354 |
} |
| 355 |
|
| 356 |
/** |
| 357 |
* Returns an array columns of current table. |
| 358 |
* |
| 359 |
* @return array<string,array<string,mixed>> |
| 360 |
* @since 0.0.1 |
| 361 |
*/ |
| 362 |
public function get_columns() { |
| 363 |
$wpdb = $this->wpdb; |
| 364 |
|
| 365 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching |
| 366 |
$columns = $wpdb->get_results( $wpdb->prepare( 'SHOW COLUMNS FROM %i', $this->get_tablename() ), ARRAY_A ); |
| 367 |
|
| 368 |
if ( empty( $columns ) ) { |
| 369 |
return []; |
| 370 |
} |
| 371 |
|
| 372 |
$_columns = []; |
| 373 |
if ( is_array( $columns ) ) { |
| 374 |
foreach ( $columns as $column ) { |
| 375 |
if ( ! is_string( $column['Field'] ) ) { |
| 376 |
continue; |
| 377 |
} |
| 378 |
|
| 379 |
$_columns[ $column['Field'] ] = $column; |
| 380 |
} |
| 381 |
} |
| 382 |
return $_columns; |
| 383 |
} |
| 384 |
|
| 385 |
/** |
| 386 |
* Returns an array indexes of current table. |
| 387 |
* |
| 388 |
* @return array<mixed> |
| 389 |
* @since 0.0.1 |
| 390 |
*/ |
| 391 |
public function get_indexes() { |
| 392 |
$wpdb = $this->wpdb; |
| 393 |
|
| 394 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching |
| 395 |
$indexes = $wpdb->get_results( $wpdb->prepare( 'SHOW INDEX FROM %i', $this->get_tablename() ), ARRAY_A ); |
| 396 |
|
| 397 |
if ( empty( $indexes ) ) { |
| 398 |
return []; |
| 399 |
} |
| 400 |
|
| 401 |
$_indexes = []; |
| 402 |
if ( is_array( $indexes ) ) { |
| 403 |
foreach ( $indexes as $index ) { |
| 404 |
$_indexes[ $index['Key_name'] ] = $index; // phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase |
| 405 |
} |
| 406 |
} |
| 407 |
return $_indexes; |
| 408 |
} |
| 409 |
|
| 410 |
/** |
| 411 |
* Insert data. Wrapper method for wpdb::insert. |
| 412 |
* |
| 413 |
* @param array<mixed> $data Data to insert. |
| 414 |
* @param array<string>|string|null $format Optional format specifiers. |
| 415 |
* @return int|false The id of the inserted entry, or false on error. |
| 416 |
* @since 0.0.1 |
| 417 |
*/ |
| 418 |
public function use_insert( $data, $format = null ) { |
| 419 |
$prepared_data = $this->prepare_data( $data ); |
| 420 |
|
| 421 |
if ( is_null( $format ) ) { |
| 422 |
$format = $prepared_data['format']; |
| 423 |
} |
| 424 |
|
| 425 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery |
| 426 |
$result = $this->wpdb->insert( $this->get_tablename(), $prepared_data['data'], $format ); // @phpstan-ignore argument.type |
| 427 |
return $result ? $this->wpdb->insert_id : false; |
| 428 |
} |
| 429 |
|
| 430 |
/** |
| 431 |
* Update a row data of current table. Wrapper method for wpdb::update. |
| 432 |
* |
| 433 |
* @param array<string,mixed> $data Data to update. |
| 434 |
* @param array<string,mixed> $where WHERE clauses. |
| 435 |
* @return int|false The number of rows updated, or false on error. |
| 436 |
* @since 0.0.1 |
| 437 |
*/ |
| 438 |
public function use_update( $data, $where ) { |
| 439 |
$prepared_data = $this->prepare_data( $data, true ); |
| 440 |
$format = $prepared_data['format']; |
| 441 |
|
| 442 |
$this->cache_reset(); |
| 443 |
|
| 444 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching |
| 445 |
return $this->wpdb->update( |
| 446 |
$this->get_tablename(), |
| 447 |
$prepared_data['data'], |
| 448 |
$where, |
| 449 |
$format // @phpstan-ignore argument.type |
| 450 |
); |
| 451 |
} |
| 452 |
|
| 453 |
/** |
| 454 |
* Delete a row data of current table. Wrapper method for wpdb::delete. |
| 455 |
* |
| 456 |
* @param array<string,mixed> $where WHERE clauses. |
| 457 |
* @param array<string>|string $where_format Optional format specifiers. |
| 458 |
* @return int|false The number of rows deleted, or false on error. |
| 459 |
* @since 0.0.1 |
| 460 |
*/ |
| 461 |
public function use_delete( $where, $where_format = null ) { |
| 462 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching |
| 463 |
return $this->wpdb->delete( $this->get_tablename(), $where, $where_format ); |
| 464 |
} |
| 465 |
|
| 466 |
/** |
| 467 |
* Retrieve a cached value by its key. |
| 468 |
* |
| 469 |
* @param string $key The cache key. |
| 470 |
* @return mixed|null The cached value or null. |
| 471 |
* @since 0.0.1 |
| 472 |
*/ |
| 473 |
protected function cache_get( $key ) { |
| 474 |
$key = md5( $key ); |
| 475 |
if ( ! isset( $this->caches[ $key ] ) ) { |
| 476 |
return null; |
| 477 |
} |
| 478 |
return $this->caches[ $key ]; |
| 479 |
} |
| 480 |
|
| 481 |
/** |
| 482 |
* Store a value in the cache. |
| 483 |
* |
| 484 |
* @param string $key The cache key. |
| 485 |
* @param mixed $value The value to store. |
| 486 |
* @return mixed The stored value. |
| 487 |
* @since 0.0.1 |
| 488 |
*/ |
| 489 |
protected function cache_set( $key, $value ) { |
| 490 |
$key = md5( $key ); |
| 491 |
$this->caches[ $key ] = $value; |
| 492 |
return $value; |
| 493 |
} |
| 494 |
|
| 495 |
/** |
| 496 |
* Reset the cache. |
| 497 |
* |
| 498 |
* @return void |
| 499 |
* @since 0.0.1 |
| 500 |
*/ |
| 501 |
protected function cache_reset() { |
| 502 |
$this->caches = []; |
| 503 |
} |
| 504 |
|
| 505 |
/** |
| 506 |
* Prepare and format data based on the schema. |
| 507 |
* |
| 508 |
* @param array<mixed> $data Data to prepare. |
| 509 |
* @param bool $skip_defaults Whether to skip defaults. |
| 510 |
* @return array<array<mixed>> Prepared data with format specifiers. |
| 511 |
* @since 0.0.1 |
| 512 |
*/ |
| 513 |
protected function prepare_data( $data, $skip_defaults = false ) { |
| 514 |
$_data = []; |
| 515 |
$format = []; |
| 516 |
|
| 517 |
foreach ( $this->get_schema() as $key => $value ) { |
| 518 |
if ( ! isset( $data[ $key ] ) ) { |
| 519 |
if ( $skip_defaults || ! isset( $value['default'] ) ) { |
| 520 |
continue; |
| 521 |
} |
| 522 |
$data[ $key ] = $value['default']; |
| 523 |
} |
| 524 |
|
| 525 |
$value_type = isset( $value['type'] ) && is_string( $value['type'] ) ? $value['type'] : 'string'; |
| 526 |
$format[] = $this->get_format_by_datatype( $value_type ); |
| 527 |
$_data[ $key ] = $this->encode_by_datatype( $data[ $key ], $value_type ); |
| 528 |
} |
| 529 |
|
| 530 |
return [ |
| 531 |
'data' => $_data, |
| 532 |
'format' => $format, |
| 533 |
]; |
| 534 |
} |
| 535 |
|
| 536 |
/** |
| 537 |
* Get the SQL format specifier based on the provided data type. |
| 538 |
* |
| 539 |
* @param string $type The data type. |
| 540 |
* @return string The SQL format specifier. |
| 541 |
* @since 0.0.1 |
| 542 |
*/ |
| 543 |
protected function get_format_by_datatype( $type ) { |
| 544 |
$format = '%s'; |
| 545 |
|
| 546 |
switch ( $type ) { |
| 547 |
case 'string': |
| 548 |
case 'array': |
| 549 |
case 'datetime': |
| 550 |
$format = '%s'; |
| 551 |
break; |
| 552 |
|
| 553 |
case 'number': |
| 554 |
case 'boolean': |
| 555 |
$format = '%d'; |
| 556 |
break; |
| 557 |
|
| 558 |
case 'decimal': |
| 559 |
$format = '%f'; |
| 560 |
break; |
| 561 |
} |
| 562 |
|
| 563 |
return $format; |
| 564 |
} |
| 565 |
|
| 566 |
/** |
| 567 |
* Decode data based on the schema data types. |
| 568 |
* |
| 569 |
* @param array<mixed> $data Data to decode. |
| 570 |
* @return array<mixed> Decoded data. |
| 571 |
* @since 0.0.1 |
| 572 |
*/ |
| 573 |
protected function decode_by_datatype( $data ) { |
| 574 |
$_data = []; |
| 575 |
|
| 576 |
foreach ( $this->get_schema() as $key => $schema ) { |
| 577 |
if ( ! array_key_exists( $key, $data ) ) { |
| 578 |
continue; |
| 579 |
} |
| 580 |
|
| 581 |
$value = $data[ $key ]; |
| 582 |
if ( isset( $schema['type'] ) && 'array' === $schema['type'] ) { |
| 583 |
$json_string = is_scalar( $value ) ? (string) $value : ''; |
| 584 |
$_data[ $key ] = json_decode( $json_string, true ); |
| 585 |
if ( ! is_array( $_data[ $key ] ) ) { |
| 586 |
$_data[ $key ] = []; |
| 587 |
} |
| 588 |
} else { |
| 589 |
$_data[ $key ] = $value; |
| 590 |
} |
| 591 |
} |
| 592 |
|
| 593 |
return $_data; |
| 594 |
} |
| 595 |
|
| 596 |
/** |
| 597 |
* Encode a value based on the specified data type. |
| 598 |
* |
| 599 |
* @param mixed $value The value to encode. |
| 600 |
* @param string $type The data type. |
| 601 |
* @return mixed The encoded value. |
| 602 |
* @since 0.0.1 |
| 603 |
*/ |
| 604 |
protected function encode_by_datatype( $value, $type ) { |
| 605 |
switch ( $type ) { |
| 606 |
case 'string': |
| 607 |
return is_scalar( $value ) ? (string) $value : ''; |
| 608 |
|
| 609 |
case 'number': |
| 610 |
return is_numeric( $value ) ? (int) $value : 0; |
| 611 |
|
| 612 |
case 'boolean': |
| 613 |
return (bool) $value; |
| 614 |
|
| 615 |
case 'array': |
| 616 |
return wp_json_encode( is_array( $value ) ? $value : [] ); |
| 617 |
|
| 618 |
case 'datetime': |
| 619 |
return $value; |
| 620 |
|
| 621 |
case 'decimal': |
| 622 |
return is_numeric( $value ) ? (float) $value : 0.0; |
| 623 |
} |
| 624 |
|
| 625 |
return $value; |
| 626 |
} |
| 627 |
} |
| 628 |
|
