Instert data in two tables with relation Laravel - laravel

Question

I want to insert with a form into two tables that are related with a foreign key,
First you need to create an order with customername, and then be forwarded to next form to insert multiple articles.
This is how my tables are made:
Schema::create('returnorders', function (Blueprint $table) {
$table->increments('id');
$table->string('firmaname');
$table->string('contacperson');
$table->string('email')->unique();
$table->string('ordernumber');
$table->string('customername');
$table->timestamps();
});
Schema::create('returnarticles', function (Blueprint $table) {
$table->increments('id');
$table->integer('order_id')->unsigned();
$table->foreign('order_id')->references('id')->on('returnorders');
$table->string('articlenumber');
$table->string('return_quantity');
$table->string('return_quality');
$table->string('return_reason');
$table->string('images');
});
My question is now, can i make one form where i can put multiple articles or should I make two forms, and that you will be forwarded from the first one to the next one?
My second question is, can I do this in one function in my controller or should i make two functions?
Help me out please, and if it's possible show me how to make my function.
Thanks

Answer 1

If your question is how to save these related models, then you should look at the documentation on Inserting and Updating related models:
Documentation
Your code could look something like this:
$returnOrder = ReturnOrder::create([
'firmaname' => $validatedInput['firmaname'],
'contactperson' => $validatedInput['contactperson'],
....
]);
$returnOrder->returnArticles()->save(ReturnArticle::create([
'articlenumber' => $validatedInput['articleNumber'],
...
]));