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Direct reference between intent and checkouts #2

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Direct reference between intent and checkouts #2

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35 changes: 14 additions & 21 deletions src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -155,26 +155,20 @@ fn compute_stripe_donors(
) -> Vec<Donor> {
let mut donors = HashMap::new();

let mut customer_id_to_checkouts = HashMap::new();
let mut checkouts = HashMap::new();
let now = Utc::now();
for checkout_session in checkout_sessions {
if checkout_session.status != Some(stripe::CheckoutSessionStatus::Complete) {
continue;
}

let customer = checkout_session.customer.as_ref().expect("Customer information was not included. Code currently assumes all complete checkouts have customers.");
let customer_id = customer.id();

let checkouts = customer_id_to_checkouts
.entry(customer_id)
.or_insert_with(Vec::new);

checkouts.push(checkout_session.clone());
}
let payment_intent = checkout_session.payment_intent.as_ref().expect("Payment intent was not included. Code currently assumes all CheckoutSessions have payment intents.");
let payment_intent_id = payment_intent.id();

// Ensure checkouts are sorted by the time they were created
for checkouts in customer_id_to_checkouts.values_mut() {
checkouts.sort_by_key(|c| c.created);
checkouts
.entry(payment_intent_id)
.or_insert_with(Vec::new)
.push(checkout_session.clone());
}

let mut payment_intents = payment_intents.to_vec();
Expand All @@ -191,16 +185,15 @@ fn compute_stripe_donors(
let customer = payment_intent.customer.as_ref().expect("Customer information was not included. Code currently assumes all succeeded PaymentIntents have customers.");
let customer_id = customer.id();

let checkouts = customer_id_to_checkouts.get(&customer_id).expect(
"Successful payment intents are expected to have at least one checkout session",
);

let checkout = checkouts
.iter()
.rev()
.find(|c| c.amount_total == Some(payment_intent.amount))
.get(&payment_intent.id)
.expect(
"Successful payment intents are expected to have at least one checkout session.",
)
.into_iter()
.max_by_key(|c| c.created)
.expect(
"Successful payment intent should have a matching checkout with the same amount",
"Successful payment intent should have a matching checkout with the same amount.",
);

let mut link = None;
Expand Down