Bill for non-catalog items

[AcTiv3MineD]

This PR covers the functionality needed on this issue: #230

NEW PR DESCRIPTION

Product Checkout

// Charges 10.00
$user->charge(1000, 'T-shirt');

Specify quantity

// Charges 30.00 (10 * 3)
$user->charge(1000, 'T-shirt', ['quantity' => 3]);

Product subscription

// Charges 30.00 (10 * 3 seats) each year
$user->newSubscription(1000, 'Gym subscription')
    ->yearly()
    ->quantity(3) // Seats
    ->checkout();

The default currency is USD, to change it, you can either:
1 - Set CASHIER_CURRENCY=currency on your .env
2 - Pass currency as an option, ex:

// Charges 50.00 (10 * 5)
$user->charge(1000, 'T-shirt', ['price' => ['unit_price' => ['currency_code' => 'EUR']], 'quantity' => 5]);

OLD PR DESCRIPTION

Notes:

1- Right now, only the option of calling the create transaction api is supported, adding the new structure of items as a attribute on the html does not work. I have contacted Paddle's team and they say that they don't have a date set for this functionality.

This has a drawback, as:
A- Every time we render the button, it creates an incomplete transaction on Paddle.
B- Each time we call the button component, an api request is made to paddle, thus, it would slow the rendering time.

2-This solution allows to use the exiting cashier functionality, plus create custom transactions, allowing to create custom pricing subscriptions and checkout, ex:

<?php

Route::get('/buy', function (Request $request) {
    $checkout = $request->user()->checkoutFromTransaction([
               'items' => [
                    [
                        'price' => [
                            'description' => 'New custom product price',
                            'name' => 'My custom price',
                            'unit_price' => [
                                'amount' => '1099',
                                'currency_code' => 'USD',
                            ],
                            'product' => [
                                'name' => 'Custom product',
                                'tax_category' => 'standard',
                                'description' => 'Start the game with 20 extra seconds play time!',
                            ],
                        ],
                        'quantity' => 1,
                    ],
                ],
        ])
        ->returnTo(route('dashboard'));
 
    return view('buy', ['checkout' => $checkout]);
})->name('checkout');

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[driesvints]

Thanks @AcTiv3MineD. Drafting this until I get a chance to review.

[driesvints]

@AcTiv3MineD finally found some time. I adjusted the API a little bit. Now you can do like in previous Cashier Paddle v1:

$user->charge(1000, 'T-shirt', ['quantity' => 5]);

I didn't test this and will need your help verifying this will work.

[AcTiv3MineD]

@driesvints Thanks for the changes, I like the new structure, I will be testing it during the week.

I have 2 comments about the new changes:

1 - About the charge name, I think it might create confusion with the existing method on src/Subscription.php.
Would you agree to find a different name?

2 - These changes remove the option of creating subscriptions for non-catalog items.
Looking at the code there is a workaround by using chargeMany which gives complete control over the array structure, allowing to specify billing_cycle key on the item's price.

Should we add a method called nonCatalogSubscription() to allow for subscriptions?

Let me know if it is a good idea, or maybe the subscription part should be addressed in a different PR as we would need more testing for compatibility for swap, pause, cancel, etc.. or maybe document that some subscription operations might not be compatible with standard subscription model.

[driesvints]

@AcTiv3MineD

1. No I think this is fine. It's the same as in Cashier Paddle v1 and in Cashier Stripe.
2. I re-added this with a brand new API. Here's an example:

$user->newSubscription(1000, 'Gym subscription')
    ->yearly()
    ->quantity(3) // Seats
    ->checkout();

Could you try this all out and let me know if it works?

[AcTiv3MineD]

@driesvints Did some minor fixes.

1 - Price description is required and must be filled
2 - Transaction was missing the ['data'] key on the button

I have tested locally both subscription and one-off. It works as expected.

[driesvints]

Thanks @AcTiv3MineD. I've further refined this and made the API a bit more simpler. Description is now optional again. Here's your updated description:

Product Checkout

// Charges 10.00
$user->charge(1000, 'T-shirt', ['quantity' => 5]);

Product subscription

// Charges 10.00 each year
$user->newSubscription(1000, 'Gym subscription')
    ->yearly()
    ->quantity(3) // Seats
    ->checkout();

The default currency is USD, to change it, you can either:

1 - Set CASHIER_CURRENCY=currency on your .env
2 - Pass currency as an option, ex:

// Charges 10.00
$user->charge(1000, 'T-shirt', ['price' => ['unit_price' => ['currency_code' => 'EUR']]], quantity' => 5]);

[driesvints]

I tested this and it works fine. Let me know if you have any further thoughts @AcTiv3MineD.

[AcTiv3MineD]

@driesvints Just tested on my side, looks good to me 👍

[driesvints]

Released now. Thanks a bunch for your help @AcTiv3MineD. If you're up for it, we'd also appreciate a PR to the docs!

[AcTiv3MineD]

Sure!, I can work on that @driesvints

[AcTiv3MineD]

The documentation is ready for review:
laravel/docs#9749

@driesvints