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fix(payment): enhance fee rate input validation and UI

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Backend:
- Validate recharge_fee_rate: 0 ≤ rate ≤ 100, max 2 decimal places

Frontend settings:
- Add % suffix icon to fee rate input
- Enforce max=100, min=0, step=0.01 with 2 decimal precision
This commit is contained in:
erio
2026-04-15 01:11:49 +08:00
parent e761d38fd1
commit d149dbc91f
2 changed files with 11 additions and 3 deletions
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9
backend/internal/service/payment_config_service.go
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@@ -272,8 +272,13 @@ func (s *PaymentConfigService) UpdatePaymentConfig(ctx context.Context, req Upda
}
}
if req.RechargeFeeRate != nil {
if math.IsNaN(*req.RechargeFeeRate) || math.IsInf(*req.RechargeFeeRate, 0) || *req.RechargeFeeRate < 0 {
return infraerrors.BadRequest("INVALID_RECHARGE_FEE_RATE", "recharge fee rate must be >= 0")
v := *req.RechargeFeeRate
if math.IsNaN(v) || math.IsInf(v, 0) || v < 0 || v > 100 {
return infraerrors.BadRequest("INVALID_RECHARGE_FEE_RATE", "recharge fee rate must be between 0 and 100")
}
// Enforce max 2 decimal places
if math.Round(v*100) != v*100 {
return infraerrors.BadRequest("INVALID_RECHARGE_FEE_RATE", "recharge fee rate allows at most 2 decimal places")
}
}
m := map[string]string{