restore composer.json, add mysqli extension

app/Http/Controllers/Dashboard/Problem/ProblemController.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace App\Http\Controllers\Dashboard\Problem;
+
+use App\Http\Controllers\Controller as ExController;
+use Illuminate\Http\Request;
+use App\Models\Problem;
+
+class ProblemController extends ExController
+{
+    public function index(Request $request)
+    {
+        $problems = Problem::latest('id')->paginate(30);
+
+        return view('dashboard.problems.index', compact('problems'));
+    }
+
+    public function create()
+    {
+        return view('dashboard.problems.create');
+    }
+
+    public function store(Request $request)
+    {
+        $this->validate($request, [
+            'title_uz' => 'required|string|max:255',
+            'title_ru' => 'required|string|max:255',
+        ]);
+
+        Problem::create([
+            'title' => [
+                'uz' => $request->title_uz,
+                'ru' => $request->title_ru,
+            ],
+        ]);
+
+        $this->info(trans('admin.messages.created'));
+        return redirect()->route('dashboard.problems.index');
+    }
+
+    public function edit(Problem $problem)
+    {
+        return view('dashboard.problems.edit', compact('problem'));
+    }
+
+    public function update(Request $request, Problem $problem)
+    {
+        $this->validate($request, [
+            'title_uz' => 'required|string|max:255',
+            'title_ru' => 'required|string|max:255',
+        ]);
+
+        $problem->update([
+            'title' => [
+                'uz' => $request->title_uz,
+                'ru' => $request->title_ru,
+            ],
+        ]);
+
+        $this->info(trans('admin.messages.updated'));
+        return redirect()->route('dashboard.problems.index');
+    }
+
+    public function destroy(Problem $problem)
+    {
+        $problem->delete();
+
+        $this->info(trans('admin.messages.deleted'));
+        return redirect()->back();
+    }
+}