first upload all files

Modules/Core/Foundation/Asset/Manager/AssetManager.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Modules\Core\Foundation\Asset\Manager;
+
+interface AssetManager
+{
+    /**
+     * Add a new asset.
+     *
+     * @param string $dependency
+     * @param string $path
+     * @return void
+     */
+    public function addAsset($asset, $path);
+
+    /**
+     * Get all css files.
+     *
+     * @return \Illuminate\Support\Collection
+     */
+    public function allCss();
+
+    /**
+     * Get all js files.
+     *
+     * @return \Illuminate\Support\Collection
+     */
+    public function allJs();
+
+    /**
+     * Get css file for the given dependency.
+     *
+     * @param string $dependency
+     * @return string
+     *
+     * @throws \Modules\Core\Foundation\Asset\AssetNotFoundException
+     */
+    public function getJs($dependency);
+
+    /**
+     * Get js file for the given dependency.
+     *
+     * @param string $dependency
+     * @return string
+     *
+     * @throws \Modules\Core\Foundation\Asset\AssetNotFoundException
+     */
+    public function getCss($dependency);
+}

Modules/Core/Foundation/Asset/Manager/FleetCartAssetManager.php

@@ -0,0 +1,104 @@
+<?php
+
+namespace Modules\Core\Foundation\Asset\Manager;
+
+use Illuminate\Support\Collection;
+use Modules\Core\Foundation\Asset\AssetNotFoundException;
+
+class FleetCartAssetManager implements AssetManager
+{
+    /**
+     * @var array
+     */
+    protected $css = [];
+
+    /**
+     * @var array
+     */
+    protected $js = [];
+
+    /**
+     * Create new instance of FleetCartAssetManager.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        $this->css = new Collection;
+        $this->js = new Collection;
+    }
+
+    /**
+     * Add a new asset.
+     *
+     * @param string $dependency
+     * @param string $path
+     * @return void
+     */
+    public function addAsset($asset, $path)
+    {
+        $extension = pathinfo($path, PATHINFO_EXTENSION);
+
+        if ($extension === 'css') {
+            $collection = $this->css;
+        } elseif ($extension === 'js') {
+            $collection = $this->js;
+        }
+
+        $collection->put($asset, $path);
+    }
+
+    /**
+     * Get all css files.
+     *
+     * @return \Illuminate\Support\Collection
+     */
+    public function allCss()
+    {
+        return $this->css;
+    }
+
+    /**
+     * Get all js files.
+     *
+     * @return \Illuminate\Support\Collection
+     */
+    public function allJs()
+    {
+        return $this->js;
+    }
+
+    /**
+     * Get css file for the given dependency.
+     *
+     * @param string $dependency
+     * @return string
+     *
+     * @throws \Modules\Core\Foundation\Asset\AssetNotFoundException
+     */
+    public function getCss($dependency)
+    {
+        return tap($this->css->get($dependency), function ($asset) use ($dependency) {
+            if (is_null($asset)) {
+                throw AssetNotFoundException::make($dependency);
+            }
+        });
+    }
+
+    /**
+     * Get js file for the given dependency.
+     *
+     * @param string $dependency
+     * @return string
+     *
+     * @throws \Modules\Core\Foundation\Asset\AssetNotFoundException
+     */
+    public function getJs($dependency)
+    {
+        return tap($this->js->get($dependency), function ($asset) use ($dependency) {
+            if (is_null($asset)) {
+                throw AssetNotFoundException::make($dependency);
+            }
+        });
+    }
+}