FEATURE: make shortcut for getting currently installed template

app/Helpers/CurrentTemplate.php

@@ -1,6 +1,44 @@
 <?php
 namespace App\Helpers;
 
-class CurrentTemplate {
 
+use App\Models\Module;
+
+class CurrentTemplate
+{
+    protected static $template;
+    protected static $initialized = false;
+
+    /**
+     * Getter for currently set template
+     *
+     * @return Module
+     */
+    public static function get()
+    {
+        if (!self::$initialized) {
+            self::$template = Module::where('is_template', true)
+                                    ->where('enabled', true)
+                                    ->first();
+        }
+
+        return self::$template;
+    }
+
+    /**
+     * Shortcut for getting template handler
+     *
+     * @return string
+     * @throws \ErrorException
+     */
+    public static function handler()
+    {
+        $template = self::get();
+
+        if (!$template) {
+            throw new \ErrorException('No template selected, no handler available!');
+        }
+
+        return $template->handler;
+    }
 }

app/Http/Controllers/Admin/Contents/CreateNewContent.php

@@ -3,8 +3,9 @@ namespace App\Http\Controllers\Admin\Contents;
 
 use App\Enumerations\ContentStatuses;
 use App\Events\CreateNewContent as CreateNewContentEvent;
-use App\Http\Requests\CreateNewContentRequest;
+use App\Helpers\CurrentTemplate;
 use App\Http\Controllers\Admin\Controller;
+use App\Http\Requests\CreateNewContentRequest;
 use App\Models\Content;
 use App\Models\File;
 use App\Models\Module;
@@ -89,9 +90,6 @@ class CreateNewContent extends Controller
     public function postNew(CreateNewContentRequest $request, $moduleId)
     {
         $page = new Content();
-        $template = Module::where('is_template', true)
-                          ->where('enabled', true)
-                          ->first();
         try {
             $module = Module::findOrFail($moduleId);
         } catch (NotFoundHttpException $e) {
@@ -127,7 +125,7 @@ class CreateNewContent extends Controller
 
         // let template to modify request and content page
 
-        call_user_func_array([$template->handler, 'beforeSave'], [&$page, $request]);
+        call_user_func_array([CurrentTemplate::handler(), 'beforeSave'], [&$page, $request]);
 
         // save module-specific stuff
         call_user_func_array([$module->handler, 'createNew'], [&$page, $request]);

app/Http/Controllers/Admin/Contents/EditContent.php

@@ -8,6 +8,7 @@ use App\Events\EditContent as EditContentEvent;
 use App\Events\MakeDraftFromContent;
 use App\Events\PublishContent;
 use App\Events\SetHomepage;
+use App\Helpers\CurrentTemplate;
 use App\Http\Controllers\Admin\Controller;
 use App\Http\Requests\EditContentRequest;
 use App\Http\Requests\Request;
@@ -56,11 +57,6 @@ class EditContent extends Controller
         $page = Content::findOrFail($id);
         $page->module_settings = json_decode($page->module_settings);
 
-        // select template
-        $template = Module::where('is_template', true)
-                          ->where('enabled', true)
-                          ->first();
-
         // get module ID
         $module = Module::where('handler', $page->module_handler)
                         ->firstOrFail();
@@ -81,7 +77,7 @@ class EditContent extends Controller
         }
 
         // modify data for edit form according to installed template
-        call_user_func_array([$template->handler, 'beforePopulatingEditForm'], [&$page]);
+        call_user_func_array([CurrentTemplate::handler(), 'beforePopulatingEditForm'], [&$page]);
 
         $history = $this->history->getStructuredHistoryOf($page);
 
@@ -117,10 +113,6 @@ class EditContent extends Controller
              * @var $page Content
              */
             $page = Content::findOrFail($id);
-
-            $template = Module::where('is_template', true)
-                              ->where('enabled', true)
-                              ->first();
         } catch (NotFoundHttpException $e) {
 
             // log attempt of invalid edit
@@ -136,7 +128,7 @@ class EditContent extends Controller
         $file = $page->uploadTitlePhoto($request);
 
         // let template to modify request and content page
-        call_user_func_array([$template->handler, 'beforeSave'], [&$page, $request]);
+        call_user_func_array([CurrentTemplate::handler(), 'beforeSave'], [&$page, $request]);
 
         $request->url = Str::slug($request->url);
         $request->parentPage = $request->parentPage ? $request->parentPage : null;

app/Http/Controllers/Visitor/ContentPage.php

@@ -2,11 +2,9 @@
 
 namespace App\Http\Controllers\Visitor;
 
+use App\Helpers\CurrentTemplate;
 use App\Http\Controllers\Controller;
-use App\Http\Requests;
 use App\Models\Content;
-use App\Models\Module;
-use App\Models\Template;
 use Illuminate\Support\Facades\Auth;
 
 class ContentPage extends Controller
@@ -61,10 +59,8 @@ class ContentPage extends Controller
         // get handler
         $handler = new $page->module_handler;
 
-        $template = Module::where('is_template', true)->where('enabled', true)->first();
-
         // do something template-specific
-        call_user_func_array([$template->handler, 'beforeRender'], [&$page]);
+        call_user_func_array([CurrentTemplate::handler(), 'beforeRender'], [&$page]);
 
         // render page
         return $handler->render($page, '');