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<?php |
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namespace NirjharLo\WP_Plugin_Framework\Src; |
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if ( ! defined( 'ABSPATH' ) ) exit; |
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/** |
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* DB installation class |
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* |
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* @author Nirjhar Lo |
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* @package wp-plugin-framework |
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*/ |
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if ( ! class_exists( 'Db' ) ) { |
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class Db { |
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/** |
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* @var String |
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*/ |
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public $table; |
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/** |
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* @var String |
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*/ |
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public $sql; |
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/** |
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* Instantiate the db class |
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* |
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* @return Void |
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*/ |
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public function __construct() { |
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$this->up_path = ABSPATH . 'wp-admin/includes/upgrade.php'; |
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} |
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/** |
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* Define the necessary database tables |
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* |
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* @return Void |
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*/ |
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public function build() { |
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global $wpdb; |
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$wpdb->hide_errors(); |
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$this->table_name = $wpdb->prefix . $this->table; |
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update_option( '_plugin_db_exist', 0 ); |
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if ( $wpdb->get_var( "SHOW TABLES LIKE '$this->table_name'" ) != $this->table_name ) { |
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$execute_sql = $this->execute( $this->table_name, $this->collate(), $this->sql ); |
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dbDelta( $execute_sql ); |
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} |
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} |
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/** |
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* Define the variables for db table creation |
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* |
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* @return String |
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*/ |
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public function collate() { |
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global $wpdb; |
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$wpdb->hide_errors(); |
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$collate = ""; |
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if ( $wpdb->has_cap( 'collation' ) ) { |
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if( ! empty($wpdb->charset ) ) |
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$collate .= "DEFAULT CHARACTER SET $wpdb->charset"; |
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if( ! empty($wpdb->collate ) ) |
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$collate .= " COLLATE $wpdb->collate"; |
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} |
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require_once( $this->up_path ); |
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return $collate; |
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} |
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/** |
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* SQL query to create the main plugin table. |
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* |
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* @param String $table_name |
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* @param String $collate |
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* @param String $sql |
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* |
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* @return String |
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*/ |
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public function execute( $table_name, $collate, $sql ) { |
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return "CREATE TABLE $table_name ( $sql ) $collate;"; |
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} |
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/** |
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* Check options and tables and output the info to check if db install is successful |
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* |
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* @return String |
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*/ |
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public function __destruct() { |
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global $wpdb; |
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$this->table_name = $wpdb->prefix . $this->table; |
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if ( $wpdb->get_var( "SHOW TABLES LIKE '$this->table_name'" ) == $this->table_name ) { |
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update_option( '_plugin_db_exist', 1 ); |
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} |
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} |
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} |
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} ?> |
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nirjharlo /
wp-plugin-framework
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