A lot of things.

app/Livewire/Database.php

@@ -5,10 +5,12 @@ namespace App\Livewire;
 use App\Models\Author;
 use App\Models\Entry;
 use App\Models\Game;
+use App\Models\Genre;
 use App\Models\Language;
 use App\Models\Modification;
 use App\Models\Platform;
 use App\Models\Status;
+use Livewire\Attributes\Url;
 use Livewire\Component;
 use Livewire\WithPagination;
 
@@ -20,18 +22,21 @@ class Database extends Component
      * entry_title search
      * @var string
      */
+    #[Url(as: 's',except: '')]
     public string $search = '';
 
     /**
      * type filter.
      * @var array
      */
+    #[Url(except:[])]
     public array $types = [];
 
     /**
      * Games IDs filter.
      * @var array
      */
+    #[Url(except:[])]
     public array $games = [];
 
     /**
@@ -44,24 +49,35 @@ class Database extends Component
      * Platform IDs filter.
      * @var array
      */
+    #[Url(except:[])]
     public array $platforms = [];
 
+    /**
+     * Genre IDs filter.
+     * @var array
+     */
+    #[Url(except:[])]
+    public array $genres = [];
+
     /**
      * Status IDs filter.
      * @var array
      */
+    #[Url(except:[])]
     public array $statuses = [];
 
     /**
      * Authors IDs filter.
      * @var array
      */
+    #[Url(except:[])]
     public array $authors = [];
 
     /**
      * Authors mode and/or.
      * @var string
      */
+    #[Url(except:'or')]
     public string $authorsMode = 'or';
 
     /**
@@ -74,36 +90,42 @@ class Database extends Component
      * Languages IDs filter.
      * @var array
      */
+    #[Url(except:[])]
     public array $languages = [];
 
     /**
      * Languages mode and/or
      * @var string
      */
+    #[Url(except:'or')]
     public string $languagesMode = 'or';
 
     /**
      * Modifications IDs filter.
      * @var array
      */
+    #[Url(except:[])]
     public array $modifications = [];
 
     /**
      * Modifications mode and/or.
      * @var string
      */
+    #[Url(except:'or')]
     public string $modificationsMode = 'or';
 
     /**
      * Sort by field.
      * @var string
      */
+    #[Url(as: 'sort',except: 'created_at')]
     public string $sortBy = 'created_at';
 
     /**
      * asc/desc
      * @var string
      */
+    #[Url(as: 'dir',except: 'desc')]
     public string $sortDir = 'desc';
 
     /**
@@ -134,6 +156,7 @@ class Database extends Component
     public function updatedTypes():         void { $this->resetPage(); $this->dispatch('filters-updated'); }
     public function updatedGames():         void { $this->resetPage(); $this->dispatch('filters-updated'); }
     public function updatedPlatforms():     void { $this->resetPage(); $this->dispatch('filters-updated'); }
+    public function updatedGenres():        void { $this->resetPage(); $this->dispatch('filters-updated'); }
     public function updatedStatuses():      void { $this->resetPage(); $this->dispatch('filters-updated'); }
     public function updatedAuthors():       void { $this->resetPage(); $this->dispatch('filters-updated'); }
     public function updatedAuthorsMode():   void { $this->resetPage(); $this->dispatch('filters-updated'); }
@@ -145,7 +168,7 @@ class Database extends Component
     public function clearFilters(): void
     {
         $this->reset([
-            'search', 'types', 'platforms', 'statuses', 'authors', 'authorsMode', 'languages', 'languagesMode', 'modifications', 'modificationsMode'
+            'search', 'types', 'platforms', 'genres', 'statuses', 'authors', 'authorsMode', 'languages', 'languagesMode', 'modifications', 'modificationsMode'
         ]);
         $this->resetPage();
     }
@@ -165,7 +188,7 @@ class Database extends Component
     private function buildQuery()
     {
         $query = Entry::query()->published()->with([
-            'game.platform', 'status', 'authors', 'languages'
+            'game.platform', 'game.genre', 'status', 'authors', 'languages'
         ]);
 
         if( $this->search ) {
@@ -186,6 +209,12 @@ class Database extends Component
             });
         }
 
+        if( $this->genres ) {
+            $query->where(function($q) {
+                $q->whereHas('game', fn($q2) => $q2->whereIn('genre_id', $this->genres) );
+            });
+        }
+
         if( $this->games ){
             $query->whereIn('game_id', $this->games);
         }
@@ -233,6 +262,7 @@ class Database extends Component
             'entries' => $this->buildQuery()->paginate(self::PAGINATION),
             'allGames' => Game::orderBy('name')->get(),
             'allPlatforms' => Platform::orderBy('name')->get(),
+            'allGenres' => Genre::orderBy('name')->get(),
             'allStatuses' => Status::orderBy('name')->get(),
             'allAuthors' => Author::orderBy('name')->get(),
             'allLanguages' => Language::orderBy('name')->get(),

app/Livewire/XfUserSelector.php

@@ -14,7 +14,7 @@ class XfUserSelector extends Component
     public ?int $selected = null;
     public ?string $selectedUsername = null;
 
-    public function mount( ?int $initialUserId ){
+    public function mount( ?int $initialUserId = null ){
         if( $initialUserId ){
             $user = DB::connection('xenforo')->table('user')->where('user_id', $initialUserId)->first();
             if( $user ){