update

web/app/Filament/Resources/CustomerResource.php

@@ -28,8 +28,13 @@ class CustomerResource extends Resource
     {
         return $form
             ->schema([
-                Forms\Components\TextInput::make('name'),
-                Forms\Components\TextInput::make('email'),
+
+                Forms\Components\TextInput::make('name')
+                    ->required(),
+                Forms\Components\TextInput::make('email')
+                    ->email()
+                    ->unique('customers', 'email')
+                    ->required(),
                 Forms\Components\TextInput::make('phone'),
                 Forms\Components\TextInput::make('address'),
                 Forms\Components\TextInput::make('city'),
@@ -38,7 +43,6 @@ class CustomerResource extends Resource
                 Forms\Components\TextInput::make('country'),
                 Forms\Components\TextInput::make('company'),
 
-
             ]);
     }
 

web/app/Models/Customer.php

@@ -4,12 +4,12 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Str;
 
 class Customer extends Model
 {
     use HasFactory;
 
-
     protected $fillable = [
         'name',
         'email',
@@ -21,4 +21,50 @@ class Customer extends Model
         'country',
         'company',
     ];
+
+    public static function boot()
+    {
+        parent::boot();
+
+        static::created(function ($model) {
+
+            if (strlen($model->name) > 5) {
+                $generateUsername = static::generateUsername($model->name, $model->id);
+            } elseif (strlen($model->email) > 5) {
+                $generateUsername = static::generateUsername($model->email, $model->id);
+            } else {
+                $generateUsername = static::generateUsername(Str::random(10), $model->id);
+            }
+            
+            $this->username = $generateUsername;
+            $this->save();
+        });
+
+    }
+
+    public static function generateUsername($fullName)
+    {
+        $removedMultispace = preg_replace('/\s+/', ' ', $fullName);
+
+        $sanitized = preg_replace('/[^A-Za-z0-9\ ]/', '', $removedMultispace);
+
+        $lowercased = strtolower($sanitized);
+
+        $splitted = explode(" ", $lowercased);
+
+        if (count($splitted) == 1) {
+            $username = substr($splitted[0], 0, rand(3, 6)) . rand(111111, 999999);
+        } else {
+            $username = $splitted[0] . substr($splitted[1], 0, rand(0, 4)) . rand(11111, 99999);
+        }
+
+        $maxLen = 16;
+
+        if (strlen($username) > $maxLen) {
+            $username = substr($username, 0, $maxLen);
+        }
+
+        return $username;
+    }
+
 }