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<?php |
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/** |
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* @author Podlove <[email protected]> |
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* @copyright Copyright (c) 2014-2018, Podlove |
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* @license https://github.com/podlove/podlove-subscribe-button-wp-plugin/blob/master/LICENSE MIT |
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* @package Podlove\PodloveSubscribeButton |
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*/ |
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namespace PodloveSubscribeButton\Model; |
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abstract class Base { |
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/** |
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* Property dictionary for all tables |
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*/ |
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private static $properties = array(); |
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private $is_new = true; |
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/** |
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* Contains property values |
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*/ |
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private $data = array(); |
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public function __set( $name, $value ) { |
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if ( static::has_property( $name ) ) { |
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$this->set_property( $name, $value ); |
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} else { |
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$this->$name = $value; |
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} |
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} |
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private function set_property( $name, $value ) { |
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$this->data[ $name ] = $value; |
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} |
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public function __get( $name ) { |
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if ( static::has_property( $name ) ) { |
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return $this->get_property( $name ); |
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} elseif ( property_exists( $this, $name ) ) { |
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return $this->$name; |
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} else { |
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return null; |
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} |
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} |
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private function get_property( $name ) { |
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if ( isset( $this->data[ $name ] ) ) { |
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return $this->data[ $name ]; |
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} else { |
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return null; |
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} |
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} |
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private static function unserialize_property( $property ) { |
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if ( ! isset( $property ) ) |
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return; |
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if ( $unserialized_string = is_serialized( $property ) ) |
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return unserialize( $property ); |
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return $property; |
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} |
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/** |
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* Retrieves the database table name. |
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* |
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* The name is derived from the namespace an class name. Additionally, it |
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* is prefixed with the global WordPress database table prefix. |
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* @todo cache |
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* |
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* @return string database table name |
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*/ |
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public static function table_name() { |
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global $wpdb; |
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// prefix with $wpdb prefix |
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return $wpdb->prefix . static::name(); |
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} |
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/** |
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* Define a property with name and type. |
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* |
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* Currently only supports basics. |
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* @todo enable additional options like NOT NULL, DEFAULT etc. |
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* |
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* @param string $name Name of the property / column |
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* @param string $type mySQL column type |
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*/ |
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public static function property( $name, $type, $args = array() ) { |
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$class = get_called_class(); |
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if ( ! isset( static::$properties[ $class ] ) ) { |
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static::$properties[ $class ] = array(); |
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} |
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// "id" columns and those ending on "_id" get an index by default |
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$index = $name == 'id' || stripos( $name, '_id' ); |
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// but if the argument is set, it overrides the default |
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if ( isset( $args[ 'index' ] ) ) { |
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$index = $args[ 'index' ]; |
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} |
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static::$properties[ $class ][ ] = array( |
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'name' => $name, |
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'type' => $type, |
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'index' => $index, |
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'index_length' => isset( $args[ 'index_length' ] ) ? $args[ 'index_length' ] : null, |
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'unique' => isset( $args[ 'unique' ] ) ? $args[ 'unique' ] : null |
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); |
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} |
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/** |
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* Return a list of property dictionaries. |
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* |
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* @return array property list |
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*/ |
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private static function properties() { |
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$class = get_called_class(); |
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if ( ! isset( static::$properties[ $class ] ) ) { |
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static::$properties[ $class ] = array(); |
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} |
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return static::$properties[ $class ]; |
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} |
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/** |
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* Does the given property exist? |
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* |
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* @param string $name name of the property to test |
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* @return bool True if the property exists, else false. |
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*/ |
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public static function has_property( $name ) { |
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return in_array( $name, static::property_names() ); |
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} |
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/** |
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* Return a list of property names. |
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* |
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* @return array property names |
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*/ |
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public static function property_names() { |
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return array_map( function( $p ) { return $p[ 'name' ]; } , static::properties() ); |
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} |
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/** |
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* Does the table have any entries? |
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* |
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* @return bool True if there is at least one entry, else false. |
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*/ |
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public static function has_entries() { |
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return static::count() > 0; |
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} |
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/** |
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* Return number of rows in the table. |
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* |
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* @return int number of rows |
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*/ |
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public static function count() { |
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global $wpdb; |
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$sql = 'SELECT COUNT(*) FROM ' . static::table_name(); |
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return (int) $wpdb->get_var( $sql ); |
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} |
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public static function find_by_id( $id ) { |
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global $wpdb; |
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$class = get_called_class(); |
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$model = new $class(); |
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$model->flag_as_not_new(); |
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$row = $wpdb->get_row( 'SELECT * FROM ' . static::table_name() . ' WHERE id = ' . (int) $id ); |
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if ( ! $row ) { |
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return null; |
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} |
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foreach ( $row as $property => $value ) { |
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$model->$property = static::unserialize_property( $value ); |
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} |
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return $model; |
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} |
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public static function find_all_by_property( $property, $value ) { |
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global $wpdb; |
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$class = get_called_class(); |
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$models = array(); |
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$rows = $wpdb->get_results( |
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'SELECT * FROM ' . static::table_name() . ' WHERE ' . $property . ' = \'' . $value . '\'' |
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); |
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if ( ! $rows ) { |
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return array(); |
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} |
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foreach ( $rows as $row ) { |
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$model = new $class(); |
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$model->flag_as_not_new(); |
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foreach ( $row as $property => $value ) { |
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$model->$property = static::unserialize_property( $value ); |
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} |
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$models[ ] = $model; |
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} |
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return $models; |
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} |
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public static function find_one_by_property( $property, $value ) { |
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global $wpdb; |
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$class = get_called_class(); |
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$model = new $class(); |
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$model->flag_as_not_new(); |
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$row = $wpdb->get_row( |
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'SELECT * FROM ' . static::table_name() . ' WHERE ' . $property . ' = \'' . $value . '\' LIMIT 0,1' |
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); |
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if ( ! $row ) { |
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return null; |
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} |
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foreach ( $row as $property => $value ) { |
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$model->$property = static::unserialize_property( $value ); |
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} |
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return $model; |
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} |
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public static function find_all_by_where( $where ) { |
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global $wpdb; |
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$class = get_called_class(); |
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$models = array(); |
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$rows = $wpdb->get_results( |
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'SELECT * FROM ' . static::table_name() . ' WHERE ' . $where |
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); |
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if ( ! $rows ) { |
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return array(); |
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} |
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foreach ( $rows as $row ) { |
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$model = new $class(); |
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$model->flag_as_not_new(); |
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foreach ( $row as $property => $value ) { |
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$model->$property = static::unserialize_property( $value ); |
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} |
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$models[ ] = $model; |
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} |
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return $models; |
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} |
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public static function find_one_by_where( $where ) { |
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global $wpdb; |
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$class = get_called_class(); |
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$model = new $class(); |
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$model->flag_as_not_new(); |
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$row = $wpdb->get_row( |
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'SELECT * FROM ' . static::table_name() . ' WHERE ' . $where . ' LIMIT 0,1' |
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); |
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if ( ! $row ) { |
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return null; |
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} |
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foreach ( $row as $property => $value ) { |
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$model->$property = static::unserialize_property( $value ); |
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} |
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return $model; |
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} |
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/** |
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* Retrieve all entries from the table. |
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* |
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* @param string $sql_suffix optional SQL, appended after FROM clause |
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* @return array list of Model objects |
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287
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*/ |
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288
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public static function all( $sql_suffix = '' ) { |
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289
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global $wpdb; |
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290
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291
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$class = get_called_class(); |
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$models = array(); |
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$rows = $wpdb->get_results( 'SELECT * FROM ' . static::table_name() . ' ' . $sql_suffix ); |
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295
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foreach ( $rows as $row ) { |
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$model = new $class(); |
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$model->flag_as_not_new(); |
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foreach ( $row as $property => $value ) { |
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$model->$property = static::unserialize_property( $value ); |
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} |
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$models[ ] = $model; |
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} |
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return $models; |
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} |
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/** |
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* True if not yet saved to database. Else false. |
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*/ |
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public function is_new() { |
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return $this->is_new; |
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} |
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315
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public function flag_as_not_new() { |
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$this->is_new = false; |
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} |
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319
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/** |
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320
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* Rails-ish update_attributes for easy form handling. |
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* |
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* Takes an array of form values and takes care of serializing it. |
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* |
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* @param array $attributes |
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* @return bool |
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*/ |
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public function update_attributes( $attributes ) { |
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if ( ! is_array( $attributes ) ) |
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return false; |
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332
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$request = filter_input_array( INPUT_POST ); // Do this for security reasons |
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333
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334
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foreach ( $attributes as $key => $value ) { |
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335
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if ( is_array( $value ) ) { |
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336
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$this->{$key} = serialize( $value ); |
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337
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} else { |
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338
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$this->{$key} = esc_sql( $value ); |
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} |
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340
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} |
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342
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if ( isset( $request[ 'checkboxes' ] ) && is_array( $request[ 'checkboxes' ] ) ) { |
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343
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foreach ( $request[ 'checkboxes' ] as $checkbox ) { |
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344
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|
if ( isset( $attributes[ $checkbox ] ) && $attributes[ $checkbox ] === 'on' ) { |
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345
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$this->$checkbox = 1; |
|
346
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|
|
} else { |
|
347
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|
$this->$checkbox = 0; |
|
348
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|
|
} |
|
349
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|
|
} |
|
350
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|
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} |
|
351
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352
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|
|
// @todo this is the wrong place to do this! |
|
353
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|
|
// The feed password is the only "passphrase" which is saved. It is not encrypted! |
|
354
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|
|
// However, we keep this function for later use |
|
355
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|
|
if ( isset( $request[ 'passwords' ] ) && is_array( $request[ 'passwords' ] ) ) { |
|
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|
356
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|
|
foreach ( $request[ 'passwords' ] as $password ) { |
|
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|
357
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|
|
$this->$password = $attributes[ $password ]; |
|
358
|
|
|
} |
|
359
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|
|
} |
|
360
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|
|
return $this->save(); |
|
361
|
|
|
} |
|
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|
362
|
|
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|
363
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|
|
/** |
|
364
|
|
|
* Update and save a single attribute. |
|
365
|
|
|
* |
|
366
|
|
|
* @param string $attribute attribute name |
|
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|
367
|
|
|
* @param mixed $value |
|
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|
368
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|
|
* @return (bool) query success |
|
369
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|
|
*/ |
|
370
|
|
|
public function update_attribute( $attribute, $value ) { |
|
|
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|
371
|
|
|
global $wpdb; |
|
372
|
|
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|
373
|
|
|
$this->$attribute = $value; |
|
374
|
|
|
|
|
375
|
|
|
$sql = sprintf( |
|
376
|
|
|
"UPDATE %s SET %s = '%s' WHERE id = %s", |
|
377
|
|
|
static::table_name(), |
|
378
|
|
|
$attribute, |
|
379
|
|
|
mysqli_real_escape_string( $value ), |
|
|
|
|
|
|
380
|
|
|
$this->id |
|
381
|
|
|
); |
|
382
|
|
|
|
|
383
|
|
|
return $wpdb->query( $sql ); |
|
|
|
|
|
|
384
|
|
|
} |
|
|
|
|
|
|
385
|
|
|
|
|
386
|
|
|
/** |
|
387
|
|
|
* Saves changes to database. |
|
388
|
|
|
* |
|
389
|
|
|
* @todo use wpdb::insert() |
|
390
|
|
|
*/ |
|
391
|
|
|
public function save() { |
|
392
|
|
|
global $wpdb; |
|
393
|
|
|
|
|
394
|
|
|
if ( $this->is_new() ) { |
|
395
|
|
|
|
|
396
|
|
|
$this->set_defaults(); |
|
397
|
|
|
|
|
398
|
|
|
$sql = 'INSERT INTO ' |
|
|
|
|
|
|
399
|
|
|
. static::table_name() |
|
|
|
|
|
|
400
|
|
|
. ' ( ' |
|
|
|
|
|
|
401
|
|
|
. implode( ',', static::property_names() ) |
|
|
|
|
|
|
402
|
|
|
. ' ) ' |
|
|
|
|
|
|
403
|
|
|
. 'VALUES' |
|
|
|
|
|
|
404
|
|
|
. ' ( ' |
|
|
|
|
|
|
405
|
|
|
. implode( ',', array_map( array( $this, 'property_name_to_sql_value' ), static::property_names() ) ) |
|
|
|
|
|
|
406
|
|
|
. ' );' |
|
|
|
|
|
|
407
|
|
|
; |
|
|
|
|
|
|
408
|
|
|
$success = $wpdb->query( $sql ); |
|
|
|
|
|
|
409
|
|
|
if ( $success ) { |
|
410
|
|
|
$this->id = $wpdb->insert_id; |
|
|
|
|
|
|
411
|
|
|
} |
|
412
|
|
|
} else { |
|
413
|
|
|
$sql = 'UPDATE ' . static::table_name() |
|
414
|
|
|
. ' SET ' |
|
|
|
|
|
|
415
|
|
|
. implode( ',', array_map( array( $this, 'property_name_to_sql_update_statement' ), static::property_names() ) ) |
|
|
|
|
|
|
416
|
|
|
. ' WHERE id = ' . $this->id |
|
|
|
|
|
|
417
|
|
|
; |
|
|
|
|
|
|
418
|
|
|
|
|
419
|
|
|
$success = $wpdb->query( $sql ); |
|
|
|
|
|
|
420
|
|
|
} |
|
421
|
|
|
|
|
422
|
|
|
$this->is_new = false; |
|
423
|
|
|
|
|
424
|
|
|
do_action( 'podlove_model_save', $this ); |
|
425
|
|
|
do_action( 'podlove_model_change', $this ); |
|
426
|
|
|
|
|
427
|
|
|
return $success; |
|
428
|
|
|
} |
|
|
|
|
|
|
429
|
|
|
|
|
430
|
|
|
/** |
|
431
|
|
|
* Sets default values. |
|
432
|
|
|
* |
|
433
|
|
|
* @return array |
|
434
|
|
|
*/ |
|
435
|
|
|
private function set_defaults() { |
|
|
|
|
|
|
436
|
|
|
|
|
437
|
|
|
$defaults = $this->default_values(); |
|
438
|
|
|
|
|
439
|
|
|
if ( ! is_array( $defaults ) || empty( $defaults ) ) |
|
|
|
|
|
|
440
|
|
|
return; |
|
441
|
|
|
|
|
442
|
|
|
foreach ( $defaults as $property => $value ) { |
|
443
|
|
|
if ( $this->$property === null ) |
|
|
|
|
|
|
444
|
|
|
$this->$property = $value; |
|
445
|
|
|
} |
|
446
|
|
|
|
|
447
|
|
|
} |
|
448
|
|
|
|
|
449
|
|
|
/** |
|
450
|
|
|
* Return default values for properties. |
|
451
|
|
|
* |
|
452
|
|
|
* Can be overridden by inheriting Model classes. |
|
453
|
|
|
* |
|
454
|
|
|
* @return array |
|
455
|
|
|
*/ |
|
456
|
|
|
public function default_values() { |
|
|
|
|
|
|
457
|
|
|
return array(); |
|
458
|
|
|
} |
|
|
|
|
|
|
459
|
|
|
|
|
460
|
|
|
public function delete() { |
|
|
|
|
|
|
461
|
|
|
global $wpdb; |
|
462
|
|
|
|
|
463
|
|
|
$sql = 'DELETE FROM ' |
|
464
|
|
|
. static::table_name() |
|
|
|
|
|
|
465
|
|
|
. ' WHERE id = ' . $this->id; |
|
|
|
|
|
|
466
|
|
|
|
|
467
|
|
|
$rows_affected = $wpdb->query( $sql ); |
|
|
|
|
|
|
468
|
|
|
|
|
469
|
|
|
do_action( 'podlove_model_delete', $this ); |
|
470
|
|
|
do_action( 'podlove_model_change', $this ); |
|
471
|
|
|
|
|
472
|
|
|
return $rows_affected !== false; |
|
|
|
|
|
|
473
|
|
|
} |
|
|
|
|
|
|
474
|
|
|
|
|
475
|
|
|
private function property_name_to_sql_update_statement( $p ) { |
|
|
|
|
|
|
476
|
|
|
global $wpdb; |
|
477
|
|
|
|
|
478
|
|
|
if ( $this->$p !== null && $this->$p !== '' ) { |
|
|
|
|
|
|
479
|
|
|
return sprintf( "%s = '%s'", $p, ( is_array( $this->$p ) ? serialize( $this->$p ) : $this->$p ) ); |
|
|
|
|
|
|
480
|
|
|
} else { |
|
481
|
|
|
return "$p = NULL"; |
|
482
|
|
|
} |
|
483
|
|
|
} |
|
|
|
|
|
|
484
|
|
|
|
|
485
|
|
|
private function property_name_to_sql_value( $p ) { |
|
|
|
|
|
|
486
|
|
|
global $wpdb; |
|
487
|
|
|
|
|
488
|
|
|
if ( $this->$p !== null && $this->$p !== '' ) { |
|
|
|
|
|
|
489
|
|
|
return sprintf( "'%s'", $this->$p ); |
|
490
|
|
|
} else { |
|
491
|
|
|
return 'NULL'; |
|
492
|
|
|
} |
|
493
|
|
|
} |
|
|
|
|
|
|
494
|
|
|
|
|
495
|
|
|
/** |
|
496
|
|
|
* Create database table based on defined properties. |
|
497
|
|
|
* |
|
498
|
|
|
* Automatically includes an id column as auto incrementing primary key. |
|
499
|
|
|
* @todo allow Model changes |
|
|
|
|
|
|
500
|
|
|
*/ |
|
501
|
|
|
public static function build() { |
|
502
|
|
|
global $wpdb; |
|
503
|
|
|
|
|
504
|
|
|
$property_sql = array(); |
|
|
|
|
|
|
505
|
|
|
foreach ( static::properties() as $property ) |
|
|
|
|
|
|
506
|
|
|
$property_sql[ ] = "`{$property[ 'name' ]}` {$property[ 'type' ]}"; |
|
|
|
|
|
|
507
|
|
|
|
|
508
|
|
|
$sql = 'CREATE TABLE IF NOT EXISTS ' |
|
509
|
|
|
. static::table_name() |
|
|
|
|
|
|
510
|
|
|
. ' (' |
|
|
|
|
|
|
511
|
|
|
. implode( ',', $property_sql ) |
|
|
|
|
|
|
512
|
|
|
. ' ) CHARACTER SET utf8;' |
|
|
|
|
|
|
513
|
|
|
; |
|
|
|
|
|
|
514
|
|
|
|
|
515
|
|
|
$wpdb->query( $sql ); |
|
|
|
|
|
|
516
|
|
|
|
|
517
|
|
|
static::build_indices(); |
|
518
|
|
|
} |
|
|
|
|
|
|
519
|
|
|
|
|
520
|
|
|
/** |
|
521
|
|
|
* Convention based index generation. |
|
522
|
|
|
* |
|
523
|
|
|
* Creates default indices for all columns matching both: |
|
524
|
|
|
* - equals "id" or contains "_id" |
|
525
|
|
|
* - doesn't have an index yet |
|
526
|
|
|
*/ |
|
527
|
|
|
public static function build_indices() { |
|
|
|
|
|
|
528
|
|
|
global $wpdb; |
|
529
|
|
|
|
|
530
|
|
|
$indices_sql = 'SHOW INDEX FROM `' . static::table_name() . '`'; |
|
|
|
|
|
|
531
|
|
|
$indices = $wpdb->get_results( $indices_sql ); |
|
|
|
|
|
|
532
|
|
|
$index_columns = array_map( function( $index ) { return $index->Column_name; }, $indices ); |
|
|
|
|
|
|
533
|
|
|
|
|
534
|
|
|
foreach ( static::properties() as $property ) { |
|
535
|
|
|
|
|
536
|
|
|
if ( $property[ 'index' ] && ! in_array( $property[ 'name' ], $index_columns ) ) { |
|
|
|
|
|
|
537
|
|
|
$length = isset( $property[ 'index_length' ] ) ? '(' . (int) $property[ 'index_length' ] . ')' : ''; |
|
|
|
|
|
|
538
|
|
|
$unique = isset( $property[ 'unique' ] ) && $property[ 'unique' ] ? 'UNIQUE' : ''; |
|
|
|
|
|
|
539
|
|
|
$sql = 'ALTER TABLE `' . static::table_name() . '` ADD ' . $unique . ' INDEX `' . $property[ 'name' ] . '` (' . $property[ 'name' ] . $length . ')'; |
|
|
|
|
|
|
540
|
|
|
$wpdb->query( $sql ); |
|
|
|
|
|
|
541
|
|
|
} |
|
542
|
|
|
} |
|
543
|
|
|
} |
|
|
|
|
|
|
544
|
|
|
|
|
545
|
|
|
/** |
|
546
|
|
|
* Model identifier. |
|
547
|
|
|
*/ |
|
548
|
|
|
public static function name() { |
|
549
|
|
|
// get name of implementing class |
|
|
|
|
|
|
550
|
|
|
$table_name = get_called_class(); |
|
551
|
|
|
// replace backslashes from namespace by underscores |
|
|
|
|
|
|
552
|
|
|
$table_name = str_replace( '\\', '_', $table_name ); |
|
553
|
|
|
// remove Models subnamespace from name |
|
|
|
|
|
|
554
|
|
|
$table_name = str_replace( 'Model_', '', $table_name ); |
|
555
|
|
|
// all lowercase |
|
|
|
|
|
|
556
|
|
|
$table_name = strtolower( $table_name ); |
|
557
|
|
|
|
|
558
|
|
|
return $table_name; |
|
559
|
|
|
} |
|
|
|
|
|
|
560
|
|
|
|
|
561
|
|
|
public static function destroy() { |
|
|
|
|
|
|
562
|
|
|
global $wpdb; |
|
563
|
|
|
$wpdb->query( 'DROP TABLE ' . static::table_name() ); |
|
|
|
|
|
|
564
|
|
|
} |
|
|
|
|
|
|
565
|
|
|
} |
podlove /
podlove-subscribe-button-wp-plugin
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