FEATURE #1372: add feature for editing static pages.

User can edit static pages. The edit itself also stores history of changed columns.

modules/StaticPages/Http/Controllers/Admin/EditStaticPage.php

@@ -3,13 +3,81 @@ namespace Modules\StaticPages\Http\Controllers\Admin;
 
 use App\Enumerations\ContentStatuses;
 use App\Models\Content;
+use Modules\StaticPages\Http\Requests\EditStaticPageRequest;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 
 class EditStaticPage extends Controller
 {
+    /**
+     * Display form for editing static page
+     *
+     * @param $id
+     *
+     * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
+     */
     public function getEdit($id)
     {
-        return view('staticpages::index');
+        // select all content statuses
+        $statuses = ContentStatuses::getWithTranslations();
+
+        // try to find requested page
+        $page = Content::where('module_handler', config('staticpages.handler'))
+                       ->findOrFail($id);
+
+        // render view
+        return view('staticpages::admin.edit', [
+            'contentStatuses' => $statuses,
+            'page'            => $page
+        ]);
+    }
+
+    /**
+     * Edit static page and save changes into history.
+     *
+     * @param EditStaticPageRequest $request
+     * @param                       $id
+     *
+     * @return \Illuminate\Http\RedirectResponse
+     */
+    public function postEdit(EditStaticPageRequest $request, $id)
+    {
+        try {
+            $page = Content::where('module_handler', config('staticpages.handler'))
+                           ->findOrFail($id);
+        } catch (NotFoundHttpException $e) {
+
+            // page for editing not found
+            return redirect()
+                ->route('staticpage.overview')
+                ->with('error', trans('staticpages::admin.invalidPage'));
+        }
+
+        // array of fields in database and fields from request
+        $fields = [
+            'title'            => 'title',
+            'url'              => 'url',
+            'published_from'   => 'publishedFrom',
+            'published_to'     => 'publishedTo',
+            'meta_keywords'    => 'metaKeywords',
+            'meta_description' => 'metaDescription',
+            'content'          => 'pageContent',
+            'status'           => 'status'
+        ];
+
+        // save new values with history
+        $changedColumns = $page->updateWithHistory($fields, $request);
+
+        // was something changed?
+        if ($changedColumns == 0) {
+            return redirect()
+                ->route('staticpage.edit', ['id' => $page->id])
+                ->with('error', trans('staticpages::admin.nothingToEdit'));
+        }
+
+        // something was changed, inform user
+        return redirect()
+            ->route('staticpage.edit', ['id' => $page->id])
+            ->with('success', trans('staticpages::admin.successfullyEdited'));
     }
 
     /**