#ll_best-practices
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gleaming dagger
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The docs say that you cannot modify invoices attached to subscriptions after finalisation but I'm curious to know if there's any sort of work around or if I have to recreate the subscription object whenever I want to add a discount.
Nope there is no workaround, you should use the grace period (1h) between the creation of the invoice and finalizing it
During that interval, you can make updates on the invoice
pallid cypress
Immediately upon creating the subscription on the API it says I cannot make any updates
okay,
i'll take a look ty
gleaming dagger
In that case you should pass the discount with the Subscription creation object
First when creating a Subscription, its invoice is immediatly finalized
The grace period is for the upcoming invoice
pallid cypress
ah so it's not for the initial invoice?
as in; i cannot modify the initial invoice of the subscription object?
gleaming dagger
Why you want to modify it ?
pallid cypress
in case the user chooses to add a discount after creation
gleaming dagger
you should modify the Subscription directly, as it's still increation phase
You can add the discount at the Subscription level directly
pallid cypress
can i show you my code?
pallid cypress
okay so, i do have the code to apply a discount to my line item. however, if a user first enters the page without a discount it would be the item without the discount
in the same way that i can modify the payment intent of a one time item
is there a way i can do this with subscriptions or can i only do it upon creation, i.e. having to create a new subscription object every time?
gleaming dagger
Actually, you need to create the Subscription only, when you are sure that the customer won't enter any thing else
You should make the call at the latest moment possible
pallid cypress
the way the page is designed it's set to add the subscription to the cart immediately as that's the default option for the checkout page
and it has a radio toggle to toggle between either the subscription + one-time payment or the one-time payment alone
and i pass the intent to an Elements component
unless there's a way for me to render the checkout form and create the intent after the user has already submitted their details?
that way i'm only creating it upon submit?
i'm looking at this page in the docs
which seems like it might work
but it's talking about including the price and currency in the options object
i can't tell if that's fully required or not? currency would be fine to include but if the price is determined after discounts are applied would that be an issue? or could i perhaps just perform my calculations on the price in the backend and return that value to my options object and also to the checkoutform?
gleaming dagger
that way i'm only creating it upon submit?
You need to update your code, to not creating the Subscription Object at stripe side, you can track that in your database if you want
but you should defer the creation of the Subscriprion via Stripe APIuntill the last moment
pallid cypress
so within my handleSubmit for my checkoutForm element for example?
gleaming dagger
Yes you can or whatever other location in your code
But the idea is to create the Subscriprion with all the possible option at once
gleaming dagger
Welcome! Happy to help!