Now forcing usernames to be unique

Now forcing usernames to be unique in regard to capitalization.

Author: JulianPrieber

app/Http/Controllers/UserController.php

@@ -510,18 +510,18 @@ public function showPage(request $request)
     public function editPage(request $request)
     {
         $request->validate([
-            'littlelink_name' => 'string|max:255|unique:users',
-            'name' => 'string|max:255|unique:users',
+            'littlelink_name' => 'max:255|string|isunique:users',
+            'name' => 'max:255|string',
         ]);
 
         $userId = Auth::user()->id;
         $littlelink_name = Auth::user()->littlelink_name;
 
         $profilePhoto = $request->file('image');
-        $pageName = $request->pageName;
+        $pageName = $request->littlelink_name;
         $pageDescription = strip_tags($request->pageDescription,'<a><p><strong><i><ul><ol><li><blockquote><h2><h3><h4>');
         $pageDescription = preg_replace("/<a([^>]*)>/i", "<a $1 rel=\"noopener noreferrer nofollow\">", $pageDescription);
-        $name = $request->Name;
+        $name = $request->name;
 
         User::where('id', $userId)->update(['littlelink_name' => $pageName, 'littlelink_description' => $pageDescription, 'name' => $name]);
 

app/Providers/AppServiceProvider.php

@@ -2,9 +2,10 @@
 
 namespace App\Providers;
 
+use Illuminate\Support\Facades\Validator;
 use Illuminate\Support\ServiceProvider;
-
 use Illuminate\Pagination\Paginator;
+use Illuminate\Support\Facades\DB;
 
 class AppServiceProvider extends ServiceProvider
 {
@@ -25,6 +26,16 @@ public function register()
      */
     public function boot()
     {
-       Paginator::useBootstrap();
+        Paginator::useBootstrap();
+        Validator::extend('isunique', function ($attribute, $value, $parameters, $validator) {
+            $value = strtolower($value);
+            $query = DB::table($parameters[0])->whereRaw("LOWER({$attribute}) = ?", [$value]);
+
+            if (isset($parameters[1])) {
+                $query->where($parameters[1], '!=', $parameters[2]);
+            }
+
+            return $query->count() === 0;
+        });
     }
 }