Reapply "[ #1079 ] - class to handle uploads"

This reverts commit c5a96d6.

includes/admin/class-modula-gallery-upload.php

@@ -0,0 +1,58 @@
+<?php
+// Exit if accessed directly.
+if ( ! defined( 'ABSPATH' ) ) {
+ exit;
+}
+/**
+ * Class Modula_Gallery_Upload
+ *
+ * Handles the fast gallery creation from uploaded .zip file
+ * or from a choosen folder with images that reside on the server
+ *
+ * @since 2.10.3
+ */
+
+class Modula_Gallery_Upload {
+
+ /**
+ * Holds the class object.
+ *
+ * @var Modula_Gallery_Upload
+ *
+ * @since 2.10.3
+ */
+ public static $instance = null;
+
+ /**
+ * Defines the default directory for the media browser
+ *
+ * @var string
+ */
+ public $default_dir = null;
+
+ /**
+ * Class constructor
+ *
+ * @since 2.10.3
+ */
+ private function __construct() {
+ }
+
+ /**
+ * Create an instance of the class
+ *
+ * @return Modula_Gallery_Upload
+ *
+ * @since 2.10.3
+ */
+ public static function get_instance() {
+
+ if ( ! isset( self::$instance ) && ! ( self::$instance instanceof Modula_Gallery_Upload ) ) {
+ self::$instance = new Modula_Gallery_Upload();
+ }
+
+ return self::$instance;
+ }
+}
+
+Modula_Gallery_Upload::get_instance();

includes/class-modula.php

@@ -97,7 +97,8 @@ private function load_dependencies() {
  require_once MODULA_PATH . 'includes/admin/class-modula-onboarding.php';
 
  require_once MODULA_PATH . 'includes/admin/class-modula-dashboard.php';
-
+ // Modula Upload Class.
+ require_once MODULA_PATH . 'includes/admin/class-modula-gallery-upload.php';
  }
  }