| /* |
| * Copyright 2017 The Mifos Initiative. |
| * |
| * Licensed 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 io.mifos.portfolio.service.internal.util; |
| |
| import io.mifos.accounting.api.v1.client.AccountAlreadyExistsException; |
| import io.mifos.accounting.api.v1.client.AccountNotFoundException; |
| import io.mifos.accounting.api.v1.client.LedgerManager; |
| import io.mifos.accounting.api.v1.client.LedgerNotFoundException; |
| import io.mifos.accounting.api.v1.domain.*; |
| import io.mifos.core.api.util.UserContextHolder; |
| import io.mifos.core.lang.DateConverter; |
| import io.mifos.core.lang.DateRange; |
| import io.mifos.core.lang.ServiceException; |
| import io.mifos.portfolio.api.v1.domain.AccountAssignment; |
| import io.mifos.portfolio.api.v1.domain.ChargeDefinition; |
| import io.mifos.portfolio.service.ServiceConstants; |
| import org.apache.commons.lang.RandomStringUtils; |
| import org.slf4j.Logger; |
| import org.springframework.beans.factory.annotation.Autowired; |
| import org.springframework.beans.factory.annotation.Qualifier; |
| import org.springframework.stereotype.Component; |
| |
| import java.math.BigDecimal; |
| import java.time.LocalDate; |
| import java.time.LocalDateTime; |
| import java.time.ZoneId; |
| import java.util.*; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| import static io.mifos.individuallending.api.v1.domain.product.AccountDesignators.ENTRY; |
| |
| /** |
| * @author Myrle Krantz |
| */ |
| @Component |
| public class AccountingAdapter { |
| |
| public enum IdentifierType {LEDGER, ACCOUNT} |
| |
| private final LedgerManager ledgerManager; |
| private final Logger logger; |
| |
| @Autowired |
| public AccountingAdapter(@SuppressWarnings("SpringJavaAutowiringInspection") final LedgerManager ledgerManager, |
| @Qualifier(ServiceConstants.LOGGER_NAME) final Logger logger) { |
| this.ledgerManager = ledgerManager; |
| this.logger = logger; |
| } |
| |
| public void bookCharges(final List<ChargeInstance> costComponents, |
| final String note, |
| final String transactionDate, |
| final String message, |
| final String transactionType) { |
| final Set<Creditor> creditors = costComponents.stream() |
| .map(AccountingAdapter::mapToCreditor) |
| .filter(Optional::isPresent) |
| .map(Optional::get) |
| .collect(Collectors.toSet()); |
| final Set<Debtor> debtors = costComponents.stream() |
| .map(AccountingAdapter::mapToDebtor) |
| .filter(Optional::isPresent) |
| .map(Optional::get) |
| .collect(Collectors.toSet()); |
| |
| final JournalEntry journalEntry = new JournalEntry(); |
| journalEntry.setCreditors(creditors); |
| journalEntry.setDebtors(debtors); |
| journalEntry.setClerk(UserContextHolder.checkedGetUser()); |
| journalEntry.setTransactionDate(transactionDate); |
| journalEntry.setMessage(message); |
| journalEntry.setTransactionType(transactionType); |
| journalEntry.setNote(note); |
| journalEntry.setTransactionIdentifier("portfolio." + message + "." + RandomStringUtils.random(26, true, true)); |
| |
| ledgerManager.createJournalEntry(journalEntry); |
| } |
| |
| public Optional<LocalDateTime> getDateOfOldestEntryContainingMessage(final String accountIdentifier, |
| final String message) { |
| final Account account = ledgerManager.findAccount(accountIdentifier); |
| final LocalDateTime accountCreatedOn = DateConverter.fromIsoString(account.getCreatedOn()); |
| final DateRange fromAccountCreationUntilNow = oneSidedDateRange(accountCreatedOn.toLocalDate()); |
| |
| return ledgerManager.fetchAccountEntriesStream(accountIdentifier, fromAccountCreationUntilNow.toString(), message, "ASC") |
| .findFirst() |
| .map(AccountEntry::getTransactionDate) |
| .map(DateConverter::fromIsoString); |
| } |
| |
| public Optional<LocalDateTime> getDateOfMostRecentEntryContainingMessage( |
| final String accountIdentifier, |
| final String message) { |
| |
| final Account account = ledgerManager.findAccount(accountIdentifier); |
| final LocalDateTime accountCreatedOn = DateConverter.fromIsoString(account.getCreatedOn()); |
| final DateRange fromAccountCreationUntilNow = oneSidedDateRange(accountCreatedOn.toLocalDate()); |
| |
| return ledgerManager.fetchAccountEntriesStream(accountIdentifier, fromAccountCreationUntilNow.toString(), message, "DESC") |
| .findFirst() |
| .map(AccountEntry::getTransactionDate) |
| .map(DateConverter::fromIsoString); |
| } |
| |
| public BigDecimal sumMatchingEntriesSinceDate(final String accountIdentifier, final LocalDate startDate, final String message) |
| { |
| final DateRange fromLastPaymentUntilNow = oneSidedDateRange(startDate); |
| final Stream<AccountEntry> accountEntriesStream = ledgerManager.fetchAccountEntriesStream(accountIdentifier, fromLastPaymentUntilNow.toString(), message, "ASC"); |
| return accountEntriesStream |
| .map(AccountEntry::getAmount) |
| .map(BigDecimal::valueOf).reduce(BigDecimal.ZERO, BigDecimal::add); |
| } |
| |
| private static Optional<Debtor> mapToDebtor(final ChargeInstance chargeInstance) { |
| if (chargeInstance.getAmount().compareTo(BigDecimal.ZERO) == 0) |
| return Optional.empty(); |
| |
| final Debtor ret = new Debtor(); |
| ret.setAccountNumber(chargeInstance.getFromAccount()); |
| ret.setAmount(chargeInstance.getAmount().toPlainString()); |
| return Optional.of(ret); |
| } |
| |
| private static Optional<Creditor> mapToCreditor(final ChargeInstance chargeInstance) { |
| if (chargeInstance.getAmount().compareTo(BigDecimal.ZERO) == 0) |
| return Optional.empty(); |
| |
| final Creditor ret = new Creditor(); |
| ret.setAccountNumber(chargeInstance.getToAccount()); |
| ret.setAmount(chargeInstance.getAmount().toPlainString()); |
| return Optional.of(ret); |
| } |
| |
| public BigDecimal getCurrentBalance(final String accountIdentifier) { |
| try { |
| final Account account = ledgerManager.findAccount(accountIdentifier); |
| return BigDecimal.valueOf(account.getBalance()); |
| } |
| catch (final AccountNotFoundException e) { |
| throw ServiceException.internalError("Could not found the account with the identifier ''{0}''", accountIdentifier); |
| } |
| } |
| |
| public String createAccountForLedgerAssignment(final String customerIdentifier, final AccountAssignment ledgerAssignment) { |
| final Ledger ledger = ledgerManager.findLedger(ledgerAssignment.getLedgerIdentifier()); |
| final AccountPage accountsOfLedger = ledgerManager.fetchAccountsOfLedger(ledger.getIdentifier(), null, null, null, null); |
| |
| final Account generatedAccount = new Account(); |
| generatedAccount.setBalance(0.0); |
| generatedAccount.setType(ledger.getType()); |
| generatedAccount.setState(Account.State.OPEN.name()); |
| long guestimatedAccountIndex = accountsOfLedger.getTotalElements() + 1; |
| generatedAccount.setLedger(ledger.getIdentifier()); |
| final Optional<String> createdAccountNumber = |
| Stream.iterate(guestimatedAccountIndex, i -> i + 1).limit(99999 - guestimatedAccountIndex) |
| .map(i -> { |
| final String accountNumber = createAccountNumber(customerIdentifier, ledgerAssignment.getDesignator(), i); |
| generatedAccount.setIdentifier(accountNumber); |
| generatedAccount.setName(accountNumber); |
| try { |
| ledgerManager.createAccount(generatedAccount); |
| return Optional.of(accountNumber); |
| } catch (final AccountAlreadyExistsException e) { |
| logger.error("Account '{}' could not be created because it already exists.", accountNumber); |
| return Optional.<String>empty(); |
| } |
| }) |
| .filter(Optional::isPresent).map(Optional::get) |
| .findFirst(); |
| |
| return createdAccountNumber.orElseThrow(() -> |
| ServiceException.conflict("Failed to create an account for customer ''{0}'' and ''{1}'', in ledger ''{2}''.", |
| customerIdentifier, ledgerAssignment.getDesignator(), ledgerAssignment.getLedgerIdentifier())); |
| } |
| |
| private String createAccountNumber(final String customerIdentifier, final String designator, final long accountIndex) { |
| return customerIdentifier + "." + designator |
| + "." + String.format("%05d", accountIndex); |
| } |
| |
| |
| public static Set<String> accountAssignmentsRequiredButNotProvided( |
| final Set<AccountAssignment> accountAssignments, |
| final List<ChargeDefinition> chargeDefinitionEntities) { |
| final Set<String> allAccountDesignatorsRequired = getRequiredAccountDesignators(chargeDefinitionEntities); |
| final Set<String> allAccountDesignatorsDefined = accountAssignments.stream().map(AccountAssignment::getDesignator) |
| .collect(Collectors.toSet()); |
| if (allAccountDesignatorsDefined.containsAll(allAccountDesignatorsRequired)) |
| return Collections.emptySet(); |
| else { |
| allAccountDesignatorsRequired.removeAll(allAccountDesignatorsDefined); |
| return allAccountDesignatorsRequired; |
| } |
| } |
| |
| public static Set<String> getRequiredAccountDesignators(final Collection<ChargeDefinition> chargeDefinitionEntities) { |
| return chargeDefinitionEntities.stream() |
| .flatMap(AccountingAdapter::getAutomaticActionAccountDesignators) |
| .filter(Objects::nonNull) |
| .collect(Collectors.toSet()); |
| } |
| |
| private static Stream<String> getAutomaticActionAccountDesignators(final ChargeDefinition chargeDefinition) { |
| final Stream.Builder<String> retBuilder = Stream.builder(); |
| |
| checkAddDesignator(chargeDefinition.getFromAccountDesignator(), retBuilder); |
| checkAddDesignator(chargeDefinition.getAccrualAccountDesignator(), retBuilder); |
| checkAddDesignator(chargeDefinition.getToAccountDesignator(), retBuilder); |
| |
| return retBuilder.build(); |
| } |
| |
| private static void checkAddDesignator(final String accountDesignator, final Stream.Builder<String> retBuilder) { |
| if (accountDesignator != null && !accountDesignator.equals(ENTRY)) |
| retBuilder.add(accountDesignator); |
| } |
| |
| public Set<String> accountAssignmentsMappedToNonexistentAccounts(final Set<AccountAssignment> accountAssignments) |
| { |
| return accountAssignments.stream() |
| .filter(x -> !accountAssignmentRepresentsRealAccount(x)) |
| .map(AccountAssignment::getDesignator) |
| .collect(Collectors.toSet()); |
| } |
| |
| public boolean accountAssignmentRepresentsRealAccount(final AccountAssignment accountAssignment) { |
| if (accountAssignment.getAccountIdentifier() != null) { |
| try { |
| ledgerManager.findAccount(accountAssignment.getAccountIdentifier()); |
| return true; |
| } |
| catch (final AccountNotFoundException e){ |
| return false; |
| } |
| } |
| else if (accountAssignment.getLedgerIdentifier() != null) { |
| try { |
| ledgerManager.findLedger(accountAssignment.getLedgerIdentifier()); |
| return true; |
| } |
| catch (final LedgerNotFoundException e){ |
| return false; |
| } |
| } |
| else |
| return false; |
| } |
| |
| private static DateRange oneSidedDateRange(final LocalDate start) { |
| return new DateRange(start, LocalDate.now(ZoneId.of("UTC"))); |
| } |
| } |