优化界面

app/Http/Controllers/Site/GuideController.php

@@ -6,7 +6,6 @@ namespace App\Http\Controllers\Site;
 
 use App\Http\Controllers\Controller;
 use App\Models\AiModel;
-use App\Models\Category;
 use App\Models\Guide;
 use App\Models\Tool;
 use App\Support\MarkdownRenderer;
@@ -32,9 +31,29 @@ class GuideController extends Controller
             $builder->where('difficulty', (string) $request->string('difficulty'));
         }
 
+        $difficultyCounts = Guide::query()
+            ->published()
+            ->selectRaw('difficulty, COUNT(*) as aggregate')
+            ->groupBy('difficulty')
+            ->pluck('aggregate', 'difficulty');
+
+        $difficultyOptions = [
+            ['value' => 'beginner', 'label' => '入门', 'count' => (int) ($difficultyCounts['beginner'] ?? 0)],
+            ['value' => 'intermediate', 'label' => '进阶', 'count' => (int) ($difficultyCounts['intermediate'] ?? 0)],
+            ['value' => 'advanced', 'label' => '高级', 'count' => (int) ($difficultyCounts['advanced'] ?? 0)],
+        ];
+
+        $guideStats = [
+            'total' => Guide::query()->published()->count(),
+            'beginner' => Guide::query()->published()->where('difficulty', 'beginner')->count(),
+            'advanced' => Guide::query()->published()->where('difficulty', 'advanced')->count(),
+            'updated_7d' => Guide::query()->published()->where('updated_at', '>=', now()->subDays(7))->count(),
+        ];
+
         return view('public.guides.index', [
             'items' => $builder->latest('published_at')->paginate(15)->withQueryString(),
-            'categories' => Category::query()->where('type', 'guide')->where('is_active', true)->orderBy('name')->get(),
+            'difficultyOptions' => $difficultyOptions,
+            'guideStats' => $guideStats,
             'filters' => $request->only(['q', 'difficulty']),
             'sidebarTools' => Tool::published()->latest('published_at')->limit(6)->get(),
             'sidebarModels' => AiModel::published()->orderByDesc('total_score')->limit(6)->get(),
@@ -60,6 +79,8 @@ class GuideController extends Controller
         return view('public.guides.show', [
             'item' => $guide,
             'bodyHtml' => $this->markdownRenderer->render($guide->body),
+            'sidebarTools' => Tool::published()->latest('published_at')->limit(6)->get(),
+            'sidebarModels' => AiModel::published()->orderByDesc('total_score')->limit(6)->get(),
         ]);
     }
 }