adding email checker when calling seed factory

database/factories/FakeUsers.php

@@ -1,11 +1,34 @@
 <?php
 
-$factory->define(Components\Model\User::class, function (Faker\Generator $faker) {
+use Components\Model\User;
+
+$factory->define(User::class, function (Faker\Generator $faker) {
+
+    $email_exists = true;
+
+    do {
+
+        $email = $faker->email;
+
+        $user = User::query()
+            ->where('email = :email:')
+            ->bind([
+                'email' => $email,
+            ])
+            ->execute();
+
+        if ( $user->getFirst() === false ) {
+            $email_exists = false;
+        }
+
+    } while($email_exists);
+
     return [
-        'email'          => $faker->email,
+        'email'          => $email,
         'name'           => $faker->name,
         'token'          => str_random(100),
         'is_activated'   => (int) true,
         'password'       => password_hash(str_random(10), PASSWORD_BCRYPT),
     ];
+
 });