create lat lng validation

app/Models/City.php

@@ -4,6 +4,7 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
 
 class City extends Model
 {
@@ -80,4 +81,30 @@ class City extends Model
     {
         return $this->belongsToMany('App\Models\EdarateShahri', 'edarate_shahri_be_city')->withPivot('is_primary','id');
     }
+
+    public static function findCityWithLatLng($lat, $lng): Model|null
+    {
+        try {
+            $city = City::query()
+                ->whereRaw("
+                    ST_Contains(
+                        geometry,
+                        ST_GeomFromText('POINT($lng $lat)', 4326)
+                    )
+                ")
+                ->firstOrFail();
+        }
+        catch (ModelNotFoundException $exception) {
+            $city = City::query()
+                ->orderByRaw("
+                    ST_Distance(
+                        geometry,
+                        ST_GeomFromText('POINT($lng $lat)', 4326)
+                    ) ASC
+                ")
+                ->first();
+        }
+
+        return $city;
+    }
 }