fix(admin): floor batch deductions at zero

This commit is contained in:
RWDai
2026-09-28 17:56:27 +08:00
parent 390b73d4b6
commit 4c07d9fcfb
3 changed files with 23 additions and 11 deletions
@@ -226,7 +226,11 @@ impl AppState {
let before_gift = wallet.gift_balance; let before_gift = wallet.gift_balance;
let before_total = before_recharge + before_gift; let before_total = before_recharge + before_gift;
let amount_usd = if clamp_deduction_to_available_balance && amount_usd < 0.0 { let amount_usd = if clamp_deduction_to_available_balance && amount_usd < 0.0 {
-(-amount_usd).min(before_total.max(0.0)) if before_total < 0.0 {
-before_total
} else {
-(-amount_usd).min(before_total)
}
} else { } else {
amount_usd amount_usd
}; };
@@ -581,7 +581,7 @@ async fn gateway_reports_wallet_limit_lookup_failure_as_unprocessed() {
} }
#[tokio::test] #[tokio::test]
async fn gateway_reports_missing_wallet_and_skips_zero_delta_for_non_positive_balance() { async fn gateway_reports_missing_wallet_and_floors_negative_balance_on_deduction() {
let state = AppState::new() let state = AppState::new()
.expect("gateway should build") .expect("gateway should build")
.with_auth_users_for_tests([sample_user("user-negative"), sample_user("user-no-wallet")]) .with_auth_users_for_tests([sample_user("user-negative"), sample_user("user-no-wallet")])
@@ -607,8 +607,8 @@ async fn gateway_reports_missing_wallet_and_skips_zero_delta_for_non_positive_ba
assert_eq!(result["failures"][0]["reason"], "用户钱包不可用"); assert_eq!(result["failures"][0]["reason"], "用户钱包不可用");
let wallet = wallet_detail(&client, &gateway_url, "user-negative").await; let wallet = wallet_detail(&client, &gateway_url, "user-negative").await;
assert_eq!(wallet["balance"], -1.0); assert_eq!(wallet["balance"], 0.0);
assert_eq!(wallet["total_adjusted"], 0.0); assert_eq!(wallet["total_adjusted"], 1.0);
gateway_handle.abort(); gateway_handle.abort();
} }
@@ -812,7 +812,12 @@ impl SqlxWalletRepository {
fn effective_wallet_adjustment_amount(input: &AdjustWalletBalanceInput, before_total: f64) -> f64 { fn effective_wallet_adjustment_amount(input: &AdjustWalletBalanceInput, before_total: f64) -> f64 {
if input.clamp_deduction_to_available_balance && input.amount_usd < 0.0 { if input.clamp_deduction_to_available_balance && input.amount_usd < 0.0 {
-(-input.amount_usd).min(before_total.max(0.0)) if before_total < 0.0 {
// Clear legacy negative totals to zero and record the actual ledger delta.
-before_total
} else {
-(-input.amount_usd).min(before_total)
}
} else { } else {
input.amount_usd input.amount_usd
} }
@@ -9598,7 +9603,7 @@ mod tests {
}; };
assert_eq!(effective_wallet_adjustment_amount(&input, 13.0), -13.0); assert_eq!(effective_wallet_adjustment_amount(&input, 13.0), -13.0);
assert_eq!(effective_wallet_adjustment_amount(&input, 0.0), -0.0); assert_eq!(effective_wallet_adjustment_amount(&input, 0.0), -0.0);
assert_eq!(effective_wallet_adjustment_amount(&input, -1.0), -0.0); assert_eq!(effective_wallet_adjustment_amount(&input, -1.0), 1.0);
let legacy_input = AdjustWalletBalanceInput { let legacy_input = AdjustWalletBalanceInput {
clamp_deduction_to_available_balance: false, clamp_deduction_to_available_balance: false,
@@ -9681,22 +9686,25 @@ mod tests {
amount_usd: -1.0, amount_usd: -1.0,
balance_type: "recharge".to_string(), balance_type: "recharge".to_string(),
operator_id: Some("admin-user".to_string()), operator_id: Some("admin-user".to_string()),
description: Some("bulk deduction from negative balance".to_string()), description: Some("bulk deduction floors a negative balance".to_string()),
clamp_deduction_to_available_balance: true, clamp_deduction_to_available_balance: true,
batch_context: None, batch_context: None,
}) })
.await .await
.expect("legacy negative wallet should remain usable") .expect("legacy negative wallet should be floored at zero")
.expect("wallet should still exist"); .expect("wallet should still exist");
assert_eq!(wallet.balance + wallet.gift_balance, -1.0); assert_eq!(wallet.balance + wallet.gift_balance, 0.0);
assert!(transaction.is_none()); let transaction = transaction.expect("negative balance correction should be ledgered");
assert_eq!(transaction.amount, 1.0);
assert_eq!(transaction.balance_before, -1.0);
assert_eq!(transaction.balance_after, 0.0);
let transaction_count: i64 = let transaction_count: i64 =
sqlx::query_scalar("SELECT COUNT(*) FROM wallet_transactions WHERE wallet_id = $1") sqlx::query_scalar("SELECT COUNT(*) FROM wallet_transactions WHERE wallet_id = $1")
.bind(&wallet_id) .bind(&wallet_id)
.fetch_one(&pool) .fetch_one(&pool)
.await .await
.expect("ledger row count should be readable"); .expect("ledger row count should be readable");
assert_eq!(transaction_count, 1); assert_eq!(transaction_count, 2);
pool.close().await; pool.close().await;
} }