rebase from live enviornment

wp/plugins/imagify/classes/Traits/InstanceGetterTrait.php

@@ -0,0 +1,43 @@
+<?php
+namespace Imagify\Traits;
+
+defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
+
+/**
+ * Trait that simulates a singleton pattern.
+ * The idea is more to ease the instance retrieval than to prevent multiple instances.
+ * This is temporary, until we get a DI container.
+ *
+ * @since  1.9
+ * @since  1.9.4 Renamed into InstanceGetterTrait.
+ * @author Grégory Viguier
+ */
+trait InstanceGetterTrait {
+
+	/**
+	 * The "not-so-single" instance of the class.
+	 *
+	 * @var    object
+	 * @since  1.9
+	 * @access protected
+	 * @author Grégory Viguier
+	 */
+	protected static $instance;
+
+	/**
+	 * Get the main Instance.
+	 *
+	 * @since  1.9
+	 * @access protected
+	 * @author Grégory Viguier
+	 *
+	 * @return object Main instance.
+	 */
+	public static function get_instance() {
+		if ( ! isset( static::$instance ) ) {
+			static::$instance = new static();
+		}
+
+		return static::$instance;
+	}
+}

wp/plugins/imagify/classes/Traits/MediaRowTrait.php

@@ -0,0 +1,139 @@
+<?php
+namespace Imagify\Traits;
+
+defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
+
+/**
+ * Trait to use to connect medias and database.
+ * It also cache the results.
+ * Classes using that trait must define a protected property $db_class_name (string) containing the media SQL DB class name.
+ *
+ * @since  1.9
+ * @author Grégory Viguier
+ */
+trait MediaRowTrait {
+
+	/**
+	 * The media SQL data row.
+	 *
+	 * @var    array
+	 * @since  1.9
+	 * @access protected
+	 * @author Grégory Viguier
+	 */
+	protected $row;
+
+	/**
+	 * The media ID.
+	 *
+	 * @var    int
+	 * @since  1.9
+	 * @access protected
+	 * @author Grégory Viguier
+	 */
+	protected $id;
+
+	/**
+	 * Get the row.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return array
+	 */
+	public function get_row() {
+		if ( isset( $this->row ) ) {
+			return $this->row;
+		}
+
+		if ( ! $this->db_class_name || $this->id <= 0 ) {
+			return $this->invalidate_row();
+		}
+
+		$this->row = $this->get_row_db_instance()->get( $this->id );
+
+		if ( ! $this->row ) {
+			return $this->invalidate_row();
+		}
+
+		return $this->row;
+	}
+
+	/**
+	 * Update the row.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @param array $data The data to update.
+	 */
+	public function update_row( $data ) {
+		if ( ! $this->db_class_name || $this->id <= 0 ) {
+			return;
+		}
+
+		$this->get_row_db_instance()->update( $this->id, $data );
+
+		$this->reset_row_cache();
+	}
+
+	/**
+	 * Delete the row.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 */
+	public function delete_row() {
+		if ( ! $this->db_class_name || $this->id <= 0 ) {
+			return;
+		}
+
+		$this->get_row_db_instance()->delete( $this->id );
+
+		$this->invalidate_row();
+	}
+
+	/**
+	 * Shorthand to get the DB table instance.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return \Imagify\DB\DBInterface The DB table instance.
+	 */
+	public function get_row_db_instance() {
+		return call_user_func( [ $this->db_class_name, 'get_instance' ] );
+	}
+
+	/**
+	 * Invalidate the row, by setting it to an empty array.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return array The row.
+	 */
+	public function invalidate_row() {
+		$this->row = [];
+		return $this->row;
+	}
+
+	/**
+	 * Reset the row cache.
+	 *
+	 * @since  1.9
+	 * @access public
+	 * @author Grégory Viguier
+	 *
+	 * @return null The row.
+	 */
+	public function reset_row_cache() {
+		$this->row = null;
+		return $this->row;
+	}
+}