org.killbill.billing.payment.api.DefaultPayment Maven / Gradle / Ivy
/*
* Copyright 2014-2016 Groupon, Inc
* Copyright 2014-2016 The Billing Project, LLC
*
* The Billing Project licenses this file to you under the Apache License, version 2.0
* (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package org.killbill.billing.payment.api;
import java.math.BigDecimal;
import java.util.Collection;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.UUID;
import javax.annotation.Nullable;
import org.joda.time.DateTime;
import org.killbill.billing.catalog.api.Currency;
import org.killbill.billing.entity.EntityBase;
import org.killbill.billing.util.currency.KillBillMoney;
import com.google.common.base.Function;
import com.google.common.base.Predicate;
import com.google.common.collect.Collections2;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
public class DefaultPayment extends EntityBase implements Payment {
private final UUID accountId;
private final UUID paymentMethodId;
private final Integer paymentNumber;
private final String externalKey;
private final BigDecimal authAmount;
private final BigDecimal captureAmount;
private final BigDecimal purchasedAmount;
private final BigDecimal creditAmount;
private final BigDecimal refundAmount;
private final Boolean isAuthVoided;
private final Currency currency;
private final List transactions;
private final List paymentAttempts;
public DefaultPayment(final UUID id, @Nullable final DateTime createdDate, @Nullable final DateTime updatedDate, final UUID accountId,
final UUID paymentMethodId,
final Integer paymentNumber,
final String externalKey,
final List transactions,
final List paymentAttempts) {
super(id, createdDate, updatedDate);
this.accountId = accountId;
this.paymentMethodId = paymentMethodId;
this.paymentNumber = paymentNumber;
this.externalKey = externalKey;
this.transactions = transactions;
this.paymentAttempts = paymentAttempts;
final Collection voidedTransactions = new LinkedList();
final Collection nonVoidedTransactions = new LinkedList();
int nvTxToVoid = 0;
for (final PaymentTransaction paymentTransaction : Lists.reverse(transactions)) {
if (TransactionStatus.SUCCESS.equals(paymentTransaction.getTransactionStatus())) {
if (paymentTransaction.getTransactionType() == TransactionType.VOID) {
nvTxToVoid++;
} else {
if (nvTxToVoid > 0) {
nvTxToVoid--;
voidedTransactions.add(paymentTransaction);
} else {
nonVoidedTransactions.add(paymentTransaction);
}
}
}
}
final Collection chargebackTransactions = getChargebackTransactions(transactions);
final Currency chargebackProcessedCurrency = getCurrencyForTransactions(chargebackTransactions, true);
final BigDecimal chargebackProcessedAmount = chargebackProcessedCurrency == null ? BigDecimal.ZERO : getAmountForTransactions(chargebackTransactions, true);
final Currency chargebackCurrency = getCurrencyForTransactions(chargebackTransactions, false);
final BigDecimal chargebackAmount = chargebackCurrency == null ? BigDecimal.ZERO : getAmountForTransactions(chargebackTransactions, false);
PaymentTransaction transactionToUseForCurrency = Iterables.getFirst(Iterables.filter(transactions,
new Predicate() {
@Override
public boolean apply(final PaymentTransaction transaction) {
return (transaction.getTransactionType() == TransactionType.AUTHORIZE ||
transaction.getTransactionType() == TransactionType.PURCHASE ||
transaction.getTransactionType() == TransactionType.CREDIT) &&
(TransactionStatus.SUCCESS.equals(transaction.getTransactionStatus()) ||
TransactionStatus.PENDING.equals(transaction.getTransactionStatus()));
}
}), null);
if (transactionToUseForCurrency == null) {
// No successful one, take the last non-successful one then
transactionToUseForCurrency = Iterables.getLast(Iterables.filter(transactions,
new Predicate() {
@Override
public boolean apply(final PaymentTransaction transaction) {
return transaction.getTransactionType() == TransactionType.AUTHORIZE ||
transaction.getTransactionType() == TransactionType.PURCHASE ||
transaction.getTransactionType() == TransactionType.CREDIT;
}
}), null);
}
this.currency = transactionToUseForCurrency == null ? null : transactionToUseForCurrency.getCurrency();
this.authAmount = getAmountForTransactions(this.currency,
nonVoidedTransactions,
TransactionType.AUTHORIZE,
chargebackTransactions,
chargebackProcessedAmount,
chargebackProcessedCurrency,
chargebackAmount,
chargebackCurrency);
this.captureAmount = getAmountForTransactions(this.currency,
nonVoidedTransactions,
TransactionType.CAPTURE,
chargebackTransactions,
chargebackProcessedAmount,
chargebackProcessedCurrency,
chargebackAmount,
chargebackCurrency);
this.purchasedAmount = getAmountForTransactions(this.currency,
nonVoidedTransactions,
TransactionType.PURCHASE,
chargebackTransactions,
chargebackProcessedAmount,
chargebackProcessedCurrency,
chargebackAmount,
chargebackCurrency);
this.creditAmount = getAmountForTransactions(this.currency,
nonVoidedTransactions,
TransactionType.CREDIT,
chargebackTransactions,
chargebackProcessedAmount,
chargebackProcessedCurrency,
chargebackAmount,
chargebackCurrency);
this.refundAmount = getAmountForTransactions(this.currency,
nonVoidedTransactions,
TransactionType.REFUND,
chargebackTransactions,
chargebackProcessedAmount,
chargebackProcessedCurrency,
chargebackAmount,
chargebackCurrency);
this.isAuthVoided = Iterables.tryFind(voidedTransactions,
new Predicate() {
@Override
public boolean apply(final PaymentTransaction input) {
return input.getTransactionType() == TransactionType.AUTHORIZE && TransactionStatus.SUCCESS.equals(input.getTransactionStatus());
}
}).isPresent();
}
private static Collection getChargebackTransactions(final Collection transactions) {
final Collection successfulChargebackExternalKeys = new HashSet();
for (final PaymentTransaction transaction : transactions) {
// We are looking for the last chargeback in state SUCCESS for a given external key
if (TransactionType.CHARGEBACK.equals(transaction.getTransactionType()) && TransactionStatus.SUCCESS.equals(transaction.getTransactionStatus())) {
successfulChargebackExternalKeys.add(transaction.getExternalKey());
} else if (TransactionType.CHARGEBACK.equals(transaction.getTransactionType()) && TransactionStatus.PAYMENT_FAILURE.equals(transaction.getTransactionStatus())) {
successfulChargebackExternalKeys.remove(transaction.getExternalKey());
}
}
return Collections2.filter(transactions, new Predicate() {
@Override
public boolean apply(final PaymentTransaction input) {
return successfulChargebackExternalKeys.contains(input.getExternalKey());
}
});
}
private static BigDecimal getAmountForTransactions(final Currency paymentCurrency,
final Collection transactions,
final TransactionType transactiontype,
final Collection chargebackTransactions,
final BigDecimal chargebackProcessedAmount,
final Currency chargebackProcessedCurrency,
final BigDecimal chargebackAmount,
final Currency chargebackCurrency) {
BigDecimal unformattedAmountForTransactions = null;
final Collection candidateTransactions = Collections2.filter(transactions,
new Predicate() {
@Override
public boolean apply(final PaymentTransaction transaction) {
return transaction.getTransactionType() == transactiontype && TransactionStatus.SUCCESS.equals(transaction.getTransactionStatus());
}
});
final boolean takeChargebacksIntoAccount = ImmutableList.of(TransactionType.CAPTURE, TransactionType.PURCHASE).contains(transactiontype);
Currency currencyForTransactions = getCurrencyForTransactions(candidateTransactions, true);
if (currencyForTransactions == null || currencyForTransactions != paymentCurrency) {
currencyForTransactions = getCurrencyForTransactions(candidateTransactions, false);
if (currencyForTransactions == null) {
// Multiple currencies - cannot compute the total
unformattedAmountForTransactions = BigDecimal.ZERO;
} else if (currencyForTransactions != paymentCurrency) {
// Different currency than the main payment currency
unformattedAmountForTransactions = BigDecimal.ZERO;
} else {
final BigDecimal amountForTransactions = getAmountForTransactions(candidateTransactions, false);
unformattedAmountForTransactions = getAmountForTransactions(amountForTransactions,
takeChargebacksIntoAccount,
currencyForTransactions,
chargebackTransactions,
chargebackProcessedAmount,
chargebackProcessedCurrency,
chargebackAmount,
chargebackCurrency);
}
} else {
final BigDecimal amountForTransactions = getAmountForTransactions(candidateTransactions, true);
unformattedAmountForTransactions = getAmountForTransactions(amountForTransactions,
takeChargebacksIntoAccount,
currencyForTransactions,
chargebackTransactions,
chargebackProcessedAmount,
chargebackProcessedCurrency,
chargebackAmount,
chargebackCurrency);
}
return unformattedAmountForTransactions == null || currencyForTransactions == null ? unformattedAmountForTransactions : KillBillMoney.of(unformattedAmountForTransactions, currencyForTransactions);
}
private static BigDecimal getAmountForTransactions(final BigDecimal amountForTransactions,
final boolean takeChargebacksIntoAccount,
final Currency currencyForTransactions,
final Collection chargebackTransactions,
final BigDecimal chargebackProcessedAmount,
final Currency chargebackProcessedCurrency,
final BigDecimal chargebackAmount,
final Currency chargebackCurrency) {
if (!takeChargebacksIntoAccount) {
return amountForTransactions;
}
final BigDecimal chargebackAmountInCorrectCurrency;
if (currencyForTransactions == chargebackProcessedCurrency) {
chargebackAmountInCorrectCurrency = chargebackProcessedAmount;
} else if (currencyForTransactions == chargebackCurrency) {
chargebackAmountInCorrectCurrency = chargebackAmount;
} else if (!chargebackTransactions.isEmpty()) {
// Payment has chargebacks but in a different currency - zero-out the payment
chargebackAmountInCorrectCurrency = amountForTransactions;
} else {
chargebackAmountInCorrectCurrency = BigDecimal.ZERO;
}
return amountForTransactions.add(chargebackAmountInCorrectCurrency.negate()).max(BigDecimal.ZERO);
}
private static BigDecimal getAmountForTransactions(final Iterable candidateTransactions, final boolean useProcessedValues) {
BigDecimal amount = BigDecimal.ZERO;
for (final PaymentTransaction transaction : candidateTransactions) {
if (useProcessedValues) {
amount = amount.add(transaction.getProcessedAmount());
} else {
amount = amount.add(transaction.getAmount());
}
}
return amount;
}
private static Currency getCurrencyForTransactions(final Collection candidateTransactions, final boolean useProcessedValues) {
final Collection currencies = new HashSet(Collections2.transform(candidateTransactions,
new Function() {
@Override
public Currency apply(final PaymentTransaction transaction) {
return useProcessedValues ? transaction.getProcessedCurrency() : transaction.getCurrency();
}
}));
return currencies.size() > 1 ? null : Iterables.getFirst(currencies, null);
}
@Override
public UUID getAccountId() {
return accountId;
}
@Override
public UUID getPaymentMethodId() {
return paymentMethodId;
}
@Override
public Integer getPaymentNumber() {
return paymentNumber;
}
@Override
public String getExternalKey() {
return externalKey;
}
@Override
public BigDecimal getAuthAmount() {
return authAmount;
}
@Override
public BigDecimal getCapturedAmount() {
return captureAmount;
}
@Override
public BigDecimal getPurchasedAmount() {
return purchasedAmount;
}
@Override
public BigDecimal getCreditedAmount() {
return creditAmount;
}
@Override
public BigDecimal getRefundedAmount() {
return refundAmount;
}
@Override
public Boolean isAuthVoided() {
return isAuthVoided;
}
@Override
public Currency getCurrency() {
return currency;
}
@Override
public List getTransactions() {
return transactions;
}
@Override
public List getPaymentAttempts() { return paymentAttempts; }
@Override
public String toString() {
final StringBuilder sb = new StringBuilder("DefaultPayment{");
sb.append("accountId=").append(accountId);
sb.append(", paymentMethodId=").append(paymentMethodId);
sb.append(", paymentNumber=").append(paymentNumber);
sb.append(", externalKey='").append(externalKey).append('\'');
sb.append(", authAmount=").append(authAmount);
sb.append(", captureAmount=").append(captureAmount);
sb.append(", purchasedAmount=").append(purchasedAmount);
sb.append(", refundAmount=").append(refundAmount);
sb.append(", currency=").append(currency);
sb.append(", transactions=").append(transactions);
sb.append(", paymentAttempts=").append(paymentAttempts);
sb.append('}');
return sb.toString();
}
@Override
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
if (!super.equals(o)) {
return false;
}
final DefaultPayment that = (DefaultPayment) o;
if (accountId != null ? !accountId.equals(that.accountId) : that.accountId != null) {
return false;
}
if (authAmount != null ? authAmount.compareTo(that.authAmount) != 0 : that.authAmount != null) {
return false;
}
if (captureAmount != null ? captureAmount.compareTo(that.captureAmount) != 0 : that.captureAmount != null) {
return false;
}
if (purchasedAmount != null ? purchasedAmount.compareTo(that.purchasedAmount) != 0 : that.purchasedAmount != null) {
return false;
}
if (currency != that.currency) {
return false;
}
if (externalKey != null ? !externalKey.equals(that.externalKey) : that.externalKey != null) {
return false;
}
if (paymentMethodId != null ? !paymentMethodId.equals(that.paymentMethodId) : that.paymentMethodId != null) {
return false;
}
if (paymentNumber != null ? !paymentNumber.equals(that.paymentNumber) : that.paymentNumber != null) {
return false;
}
if (refundAmount != null ? refundAmount.compareTo(that.refundAmount) != 0 : that.refundAmount != null) {
return false;
}
if (transactions != null ? !transactions.equals(that.transactions) : that.transactions != null) {
return false;
}
if (paymentAttempts != null ? !paymentAttempts.equals(that.paymentAttempts) : that.paymentAttempts != null) {
return false;
}
return true;
}
@Override
public int hashCode() {
int result = super.hashCode();
result = 31 * result + (accountId != null ? accountId.hashCode() : 0);
result = 31 * result + (paymentMethodId != null ? paymentMethodId.hashCode() : 0);
result = 31 * result + (paymentNumber != null ? paymentNumber.hashCode() : 0);
result = 31 * result + (externalKey != null ? externalKey.hashCode() : 0);
result = 31 * result + (authAmount != null ? authAmount.hashCode() : 0);
result = 31 * result + (captureAmount != null ? captureAmount.hashCode() : 0);
result = 31 * result + (purchasedAmount != null ? purchasedAmount.hashCode() : 0);
result = 31 * result + (refundAmount != null ? refundAmount.hashCode() : 0);
result = 31 * result + (currency != null ? currency.hashCode() : 0);
result = 31 * result + (transactions != null ? transactions.hashCode() : 0);
result = 31 * result + (paymentAttempts != null ? paymentAttempts.hashCode() : 0);
return result;
}
}
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