FEATURE #1427: add homepage functionality.

Displaying homepage now depends on module handler

app/Http/Controllers/Visitor/Homepage.php

@@ -3,24 +3,24 @@
 namespace App\Http\Controllers\Visitor;
 
 use App\Http\Requests;
-use App\Models\Content;
-use Symfony\Component\Process\Exception\InvalidArgumentException;
 
 class Homepage extends ContentPage
 {
     public function getIndex()
     {
         // try to find some homepage
-        $page = Content::where('is_homepage', 1)
-                       ->where('status', '!=', Content::STATUS_DELETED)
-                       ->first();
+        $page = $this->content->getHomepage();
 
         // test if we have any homepage
         if (!$page) {
-            throw new InvalidArgumentException('Cannot load home page!');
+            return view('errors.homepageNotAvailable');
         }
 
         // render page
-        return $this->renderPage($page);
+        try {
+            return $this->renderPage($page);
+        } catch (\Exception $e) {
+            return view('errors.homepageNotAvailable');
+        }
     }
 }