small fixes for single payout and big chunck for multiple payouts
This commit is contained in:
Arseni
157
frontend/pweb/lib/utils/payment/multiple_csv_parser.dart
Normal file
157
frontend/pweb/lib/utils/payment/multiple_csv_parser.dart
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@@ -0,0 +1,157 @@
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import 'package:pweb/models/multiple_payouts/csv_row.dart';
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class MultipleCsvParser {
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List<CsvPayoutRow> parseRows(String content) {
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final lines = content
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.replaceAll('\r\n', '\n')
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.replaceAll('\r', '\n')
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.split('\n')
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.where((line) => line.trim().isNotEmpty)
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.toList(growable: false);
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if (lines.isEmpty) {
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throw FormatException('CSV is empty');
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}
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final header = _parseCsvLine(
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lines.first,
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).map((value) => value.trim().toLowerCase()).toList(growable: false);
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final panIndex = _resolveHeaderIndex(header, const ['pan', 'card_pan']);
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final firstNameIndex = _resolveHeaderIndex(header, const [
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'first_name',
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'firstname',
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]);
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final lastNameIndex = _resolveHeaderIndex(header, const [
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'last_name',
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'lastname',
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]);
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final expMonthIndex = _resolveHeaderIndex(header, const [
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'exp_month',
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'expiry_month',
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]);
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final expYearIndex = _resolveHeaderIndex(header, const [
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'exp_year',
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'expiry_year',
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]);
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final amountIndex = _resolveHeaderIndex(header, const ['amount', 'sum']);
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if (panIndex < 0 ||
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firstNameIndex < 0 ||
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lastNameIndex < 0 ||
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expMonthIndex < 0 ||
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expYearIndex < 0 ||
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amountIndex < 0) {
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throw FormatException(
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'CSV header must contain pan, first_name, last_name, exp_month, exp_year, amount columns',
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);
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}
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final rows = <CsvPayoutRow>[];
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for (var i = 1; i < lines.length; i++) {
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final raw = _parseCsvLine(lines[i]);
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final pan = _cell(raw, panIndex);
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final firstName = _cell(raw, firstNameIndex);
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final lastName = _cell(raw, lastNameIndex);
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final expMonthRaw = _cell(raw, expMonthIndex);
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final expYearRaw = _cell(raw, expYearIndex);
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final amount = _normalizeAmount(_cell(raw, amountIndex));
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if (pan.isEmpty) {
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throw FormatException('CSV row ${i + 1}: pan is required');
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}
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if (firstName.isEmpty) {
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throw FormatException('CSV row ${i + 1}: first_name is required');
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}
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if (lastName.isEmpty) {
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throw FormatException('CSV row ${i + 1}: last_name is required');
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}
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if (amount.isEmpty) {
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throw FormatException('CSV row ${i + 1}: amount is required');
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}
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final parsedAmount = double.tryParse(amount);
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if (parsedAmount == null || parsedAmount <= 0) {
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throw FormatException(
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'CSV row ${i + 1}: amount must be greater than 0',
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);
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}
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final expMonth = int.tryParse(expMonthRaw);
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if (expMonth == null || expMonth < 1 || expMonth > 12) {
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throw FormatException('CSV row ${i + 1}: exp_month must be 1-12');
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}
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final expYear = int.tryParse(expYearRaw);
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if (expYear == null || expYear < 0) {
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throw FormatException('CSV row ${i + 1}: exp_year is invalid');
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}
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rows.add(
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CsvPayoutRow(
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pan: pan,
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firstName: firstName,
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lastName: lastName,
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expMonth: expMonth,
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expYear: expYear,
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amount: amount,
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),
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);
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}
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if (rows.isEmpty) {
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throw FormatException('CSV does not contain payout rows');
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}
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return rows;
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}
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int _resolveHeaderIndex(List<String> header, List<String> candidates) {
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for (final key in candidates) {
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final idx = header.indexOf(key);
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if (idx >= 0) return idx;
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}
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return -1;
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}
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List<String> _parseCsvLine(String line) {
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final values = <String>[];
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final buffer = StringBuffer();
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var inQuotes = false;
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for (var i = 0; i < line.length; i++) {
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final char = line[i];
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if (char == '"') {
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final isEscaped = inQuotes && i + 1 < line.length && line[i + 1] == '"';
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if (isEscaped) {
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buffer.write('"');
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i++;
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} else {
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inQuotes = !inQuotes;
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}
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continue;
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}
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if (char == ',' && !inQuotes) {
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values.add(buffer.toString());
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buffer.clear();
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continue;
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}
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buffer.write(char);
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}
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values.add(buffer.toString());
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return values;
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}
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String _cell(List<String> row, int index) {
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if (index < 0 || index >= row.length) return '';
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return row[index].trim();
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}
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String _normalizeAmount(String value) {
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return value.trim().replaceAll(' ', '').replaceAll(',', '.');
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}
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}
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57
frontend/pweb/lib/utils/payment/multiple_intent_builder.dart
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57
frontend/pweb/lib/utils/payment/multiple_intent_builder.dart
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@@ -0,0 +1,57 @@
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import 'package:pshared/controllers/balance_mask/wallets.dart';
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import 'package:pshared/models/money.dart';
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import 'package:pshared/models/payment/asset.dart';
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import 'package:pshared/models/payment/chain_network.dart';
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import 'package:pshared/models/payment/intent.dart';
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import 'package:pshared/models/payment/kind.dart';
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import 'package:pshared/models/payment/methods/card.dart';
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import 'package:pshared/models/payment/methods/managed_wallet.dart';
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import 'package:pshared/models/payment/settlement_mode.dart';
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import 'package:pweb/models/multiple_payouts/csv_row.dart';
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class MultipleIntentBuilder {
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static const String _currency = 'RUB';
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List<PaymentIntent> buildIntents(
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WalletsController wallets,
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List<CsvPayoutRow> rows,
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) {
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final sourceWallet = wallets.selectedWallet;
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if (sourceWallet == null) {
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throw StateError('Select source wallet first');
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}
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final hasAsset = (sourceWallet.tokenSymbol ?? '').isNotEmpty;
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final sourceAsset = hasAsset
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? PaymentAsset(
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chain: sourceWallet.network ?? ChainNetwork.unspecified,
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tokenSymbol: sourceWallet.tokenSymbol!,
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contractAddress: sourceWallet.contractAddress,
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)
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: null;
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return rows
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.map(
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(row) => PaymentIntent(
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kind: PaymentKind.payout,
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source: ManagedWalletPaymentMethod(
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managedWalletRef: sourceWallet.id,
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asset: sourceAsset,
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),
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destination: CardPaymentMethod(
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pan: row.pan,
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firstName: row.firstName,
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lastName: row.lastName,
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expMonth: row.expMonth,
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expYear: row.expYear,
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),
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amount: Money(amount: row.amount, currency: _currency),
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settlementMode: SettlementMode.fixSource,
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settlementCurrency: _currency,
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),
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)
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.toList(growable: false);
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}
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}
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