| /* |
| * Copyright 2017 Kuelap, Inc. |
| * |
| * 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.individuallending.internal.service.costcomponent; |
| |
| import io.mifos.core.lang.ServiceException; |
| import io.mifos.individuallending.IndividualLendingPatternFactory; |
| import io.mifos.individuallending.api.v1.domain.product.AccountDesignators; |
| import io.mifos.individuallending.internal.service.DataContextOfAction; |
| import io.mifos.portfolio.api.v1.domain.ChargeDefinition; |
| import io.mifos.portfolio.api.v1.domain.Pattern; |
| import io.mifos.portfolio.api.v1.domain.RequiredAccountAssignment; |
| |
| import java.math.BigDecimal; |
| import java.time.LocalDateTime; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Optional; |
| |
| /** |
| * @author Myrle Krantz |
| */ |
| public interface RunningBalances { |
| Map<String, BigDecimal> ACCOUNT_SIGNS = new HashMap<String, BigDecimal>() {{ |
| final BigDecimal negative = BigDecimal.valueOf(-1); |
| final BigDecimal positive = BigDecimal.valueOf(1); |
| |
| this.put(AccountDesignators.CUSTOMER_LOAN_PRINCIPAL, negative); |
| this.put(AccountDesignators.CUSTOMER_LOAN_FEES, negative); |
| this.put(AccountDesignators.CUSTOMER_LOAN_INTEREST, negative); |
| this.put(AccountDesignators.LOAN_FUNDS_SOURCE, negative); |
| this.put(AccountDesignators.PROCESSING_FEE_INCOME, positive); |
| this.put(AccountDesignators.ORIGINATION_FEE_INCOME, positive); |
| this.put(AccountDesignators.DISBURSEMENT_FEE_INCOME, positive); |
| this.put(AccountDesignators.INTEREST_INCOME, positive); |
| this.put(AccountDesignators.INTEREST_ACCRUAL, positive); |
| this.put(AccountDesignators.LATE_FEE_INCOME, positive); |
| this.put(AccountDesignators.LATE_FEE_ACCRUAL, positive); |
| this.put(AccountDesignators.ARREARS_ALLOWANCE, positive); |
| this.put(AccountDesignators.ENTRY, positive); |
| }}; |
| |
| BigDecimal getAccountBalance(final String accountDesignator); |
| |
| BigDecimal getAccruedBalanceForCharge( |
| final ChargeDefinition chargeDefinition); |
| |
| Optional<LocalDateTime> getStartOfTerm(final DataContextOfAction dataContextOfAction); |
| |
| default LocalDateTime getStartOfTermOrThrow(final DataContextOfAction dataContextOfAction) { |
| return this.getStartOfTerm(dataContextOfAction) |
| .orElseThrow(() -> ServiceException.internalError( |
| "Start of term for loan ''{0}'' could not be acquired from accounting.", |
| dataContextOfAction.getCompoundIdentifer())); |
| } |
| |
| default BigDecimal getLedgerBalance(final String ledgerDesignator) { |
| final Pattern individualLendingPattern = IndividualLendingPatternFactory.individualLendingPattern(); |
| return individualLendingPattern.getAccountAssignmentsRequired().stream() |
| .filter(requiredAccountAssignment -> ledgerDesignator.equals(requiredAccountAssignment.getGroup())) |
| .map(RequiredAccountAssignment::getAccountDesignator) |
| .map(this::getAccountBalance) |
| .reduce(BigDecimal.ZERO, BigDecimal::add); |
| } |
| |
| default BigDecimal getBalance(final String designator) { |
| final Pattern individualLendingPattern = IndividualLendingPatternFactory.individualLendingPattern(); |
| if (individualLendingPattern.getAccountAssignmentGroups().contains(designator)) |
| return getLedgerBalance(designator); |
| else |
| return getAccountBalance(designator); |
| } |
| |
| default BigDecimal getMaxDebit(final String accountDesignator, final BigDecimal amount) { |
| if (accountDesignator.equals(AccountDesignators.ENTRY)) |
| return amount; |
| |
| if (ACCOUNT_SIGNS.get(accountDesignator).signum() == -1) |
| return amount; |
| else |
| return amount.min(getBalance(accountDesignator)); |
| } |
| |
| default BigDecimal getMaxCredit(final String accountDesignator, final BigDecimal amount) { |
| if (accountDesignator.equals(AccountDesignators.ENTRY)) |
| return amount; //don't guard the entry account. |
| |
| if (ACCOUNT_SIGNS.get(accountDesignator).signum() != -1) |
| return amount; |
| else |
| return amount.min(getBalance(accountDesignator)); |
| } |
| } |