restore composer.json, add mysqli extension

app/Models/City.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Models;
+
+use App\Traits\LogOptionsTrait;
+use Illuminate\Database\Eloquent\Model;
+use Spatie\Activitylog\Traits\LogsActivity;
+
+class City extends Model
+{
+    use LogsActivity, LogOptionsTrait;
+
+    protected $table = 'cities';
+
+    protected $guarded = ['id'];
+
+    protected $casts = [
+        'name' => 'array',
+        'region_id' => 'integer'
+    ];
+
+    protected static $logName = 'cities';
+    protected static $logOnlyDirty = true;
+    protected static $logAttributes = ['name', 'region_id'];
+    protected static $submitEmptyLogs = false;
+
+    public function region()
+    {
+        return $this->belongsTo(Region::class, 'region_id', 'id');
+    }
+
+    public function getName()
+    {
+        return (string) $this->name['ru'] ?? null;
+    }
+}