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[Mobile App] Refactore past and future payment calculation in payment page #1044

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merged 1 commit into from
Feb 12, 2025
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[Mobile App] Refactore past and future payment calculation in payment page #1044

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30 changes: 16 additions & 14 deletions recipients_app/lib/view/pages/payments_page.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -143,31 +143,33 @@ class _PaymentsPageState extends State<PaymentsPage> {
String _calculatePastPayments(List<MappedPayment> mappedPayments) {
var total = 0;

for (final mappedPayment in mappedPayments) {
final paymentStatus = mappedPayment.payment.status;
if (paymentStatus != PaymentStatus.paid && paymentStatus != PaymentStatus.confirmed) continue;
final List<MappedPayment> paidOrConfirmedPayments = _getAllPaidOrConfirmedPayments(mappedPayments);

// some of the users still have SLL from begining of the program,
// we will change it to SLE
final factor = (mappedPayment.payment.currency == "SLL") ? 1000 : 1;
total += (mappedPayment.payment.amount ?? 0) ~/ factor;
for (final payment in paidOrConfirmedPayments) {
// Some of the users still have the currency SLL from the begining of the program. We will change it to SLE.
final factor = (payment.payment.currency == "SLL") ? 1000 : 1;
total += (payment.payment.amount ?? 0) ~/ factor;
}

return "${mappedPayments.firstOrNull?.payment.currency ?? "SLE"} $total";
return "${paidOrConfirmedPayments.firstOrNull?.payment.currency ?? "SLE"} $total";
}

String _calculateFuturePayments(List<MappedPayment> mappedPayments) {
final List<MappedPayment> paidOrConfirmedPayments = _getAllPaidOrConfirmedPayments(mappedPayments);

// Due to problem that payment amount can change, we need to calculate the future payments without calculation of previous payments
final futurePayments = (kProgramDurationMonths - paidOrConfirmedPayments.length) * kCurrentPaymentAmount;

return "${paidOrConfirmedPayments.firstOrNull?.payment.currency ?? "SLE"} $futurePayments";
}

List<MappedPayment> _getAllPaidOrConfirmedPayments(List<MappedPayment> mappedPayments) {
final paidOrConfirmedPayments = mappedPayments.where(
(payment) {
final paymentStatus = payment.payment.status;
return paymentStatus == PaymentStatus.paid || paymentStatus == PaymentStatus.confirmed;
},
).toList();

// due to problem that payment amount can change we need to calculate
// the future payments without calculation of previous payments
final futurePayments = (kProgramDurationMonths - paidOrConfirmedPayments.length) * kCurrentPaymentAmount;

return "${paidOrConfirmedPayments.firstOrNull?.payment.currency ?? "SLE"} $futurePayments";
return paidOrConfirmedPayments;
}
}
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