FEATURE: change directory structure

app/CMS/Shortcodes/Widget.php

@@ -0,0 +1,88 @@
+<?php
+namespace App\CMS\Shortcodes;
+
+use App\Models\Widgets\Widget as WidgetModel;
+use Mcamara\LaravelLocalization\Facades\LaravelLocalization;
+
+class Widget
+{
+    protected static $widgets = [];
+    protected static $initialized = false;
+
+    protected function getRenderedWidget(WidgetModel $widget)
+    {
+        $widget->settings = json_decode($widget->settings);
+
+        $handler = $widget->widget_type_handler;
+        $presenter = call_user_func([$handler, 'getPresenter']);
+
+        return call_user_func([$presenter, 'render'], $widget);
+    }
+
+    /**
+     * Load one widget from database
+     *
+     * @param $containerId
+     */
+    protected function loadWidget($containerId)
+    {
+        $widget = WidgetModel::where('container_id', $containerId)
+                             ->first();
+
+        if (!$widget) {
+            return;
+        }
+
+        $widget->timestamps = false;
+        $widget->viewed++;
+        $widget->save();
+        $widget->timestamps = true;
+
+        self::$widgets[$containerId] = $this->getRenderedWidget($widget);
+    }
+
+    /**
+     * Load all frequently used widgets
+     *
+     * Frequency of loaded widgets is counted only using direct loading, widgets displayed in widget areas are omitted
+     */
+    protected function initWidgets()
+    {
+        if (self::$initialized) {
+            return;
+        }
+
+        $widgets = WidgetModel::where('viewed', '>=', setting('preloadFrequentedWidgetsTreshold', 10))
+                              ->where('language', LaravelLocalization::getCurrentLocale())
+                              ->get();
+
+        foreach ($widgets as $widget) {
+            self::$widgets[$widget->container_id] = $this->getRenderedWidget($widget);
+        }
+
+        self::$initialized = true;
+    }
+
+    /**
+     * Register new shortcode
+     *
+     * Initfrequently used widgets and if not presented yet - load desired widget specified as content of shortcode
+     *
+     * @param $shortcode
+     * @param $containerId
+     * @param $compiler
+     * @param $name
+     *
+     * @return mixed
+     */
+    public function register($shortcode, $containerId, $compiler, $name)
+    {
+        $this->initWidgets();
+
+        if (!isset(self::$widgets[$containerId])) {
+            $this->loadWidget($containerId);
+        }
+
+        return self::$widgets[$containerId];
+    }
+}