forked from apache/fineract
-
Notifications
You must be signed in to change notification settings - Fork 9
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
FINERACT-2042 Configurable CreditAllocations for Loan Product
- Loading branch information
Showing
19 changed files
with
1,206 additions
and
39 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
110 changes: 110 additions & 0 deletions
110
...in/java/org/apache/fineract/portfolio/loanproduct/domain/CreditAllocationsJsonParser.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF 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.apache.fineract.portfolio.loanproduct.domain; | ||
|
|
||
| import com.google.common.base.Enums; | ||
| import com.google.gson.JsonArray; | ||
| import com.google.gson.JsonElement; | ||
| import java.util.Comparator; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import lombok.AllArgsConstructor; | ||
| import org.apache.commons.lang3.tuple.Pair; | ||
| import org.apache.fineract.infrastructure.core.api.JsonCommand; | ||
| import org.jetbrains.annotations.NotNull; | ||
| import org.springframework.stereotype.Service; | ||
|
|
||
| @Service | ||
| @AllArgsConstructor | ||
| public class CreditAllocationsJsonParser { | ||
|
|
||
| public final CreditAllocationsValidator creditAllocationsValidator; | ||
|
|
||
| public List<LoanProductCreditAllocationRule> assembleLoanProductCreditAllocationRules(final JsonCommand command, | ||
| String loanTransactionProcessingStrategyCode) { | ||
| JsonArray creditAllocation = command.arrayOfParameterNamed("creditAllocation"); | ||
| List<LoanProductCreditAllocationRule> productCreditAllocationRules = null; | ||
| if (creditAllocation != null) { | ||
| productCreditAllocationRules = creditAllocation.asList().stream().map(json -> { | ||
| Map<String, JsonElement> map = json.getAsJsonObject().asMap(); | ||
| LoanProductCreditAllocationRule creditAllocationRule = new LoanProductCreditAllocationRule(); | ||
| populateCreditAllocationRules(map, creditAllocationRule); | ||
| populateTransactionType(map, creditAllocationRule); | ||
| return creditAllocationRule; | ||
| }).toList(); | ||
| } | ||
| creditAllocationsValidator.validate(productCreditAllocationRules, loanTransactionProcessingStrategyCode); | ||
| return productCreditAllocationRules; | ||
| } | ||
|
|
||
| private void populateCreditAllocationRules(Map<String, JsonElement> map, LoanProductCreditAllocationRule creditAllocationRule) { | ||
| JsonArray creditAllocationOrder = asJsonArrayOrNull(map.get("creditAllocationOrder")); | ||
| if (creditAllocationOrder != null) { | ||
| creditAllocationRule.setAllocationTypes(getAllocationTypes(creditAllocationOrder)); | ||
| } | ||
| } | ||
|
|
||
| private void populateTransactionType(Map<String, JsonElement> map, LoanProductCreditAllocationRule creditAllocationRule) { | ||
| String transactionType = asStringOrNull(map.get("transactionType")); | ||
| if (transactionType != null) { | ||
| creditAllocationRule.setTransactionType(Enums.getIfPresent(CreditAllocationTransactionType.class, transactionType).orNull()); | ||
| } | ||
| } | ||
|
|
||
| @NotNull | ||
| private List<AllocationType> getAllocationTypes(JsonArray allocationOrder) { | ||
| if (allocationOrder != null) { | ||
| List<Pair<Integer, AllocationType>> parsedListWithOrder = allocationOrder.asList().stream().map(json -> { | ||
| Map<String, JsonElement> map = json.getAsJsonObject().asMap(); | ||
| AllocationType allocationType = null; | ||
| String creditAllocationRule = asStringOrNull(map.get("creditAllocationRule")); | ||
| if (creditAllocationRule != null) { | ||
| allocationType = Enums.getIfPresent(AllocationType.class, creditAllocationRule).orNull(); | ||
| } | ||
| return Pair.of(asIntegerOrNull(map.get("order")), allocationType); | ||
| }).sorted(Comparator.comparing(Pair::getLeft)).toList(); | ||
| creditAllocationsValidator.validatePairOfOrderAndCreditAllocationType(parsedListWithOrder); | ||
| return parsedListWithOrder.stream().map(Pair::getRight).toList(); | ||
| } else { | ||
| return List.of(); | ||
| } | ||
| } | ||
|
|
||
| private Integer asIntegerOrNull(JsonElement element) { | ||
| if (!element.isJsonNull()) { | ||
| return element.getAsInt(); | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| private String asStringOrNull(JsonElement element) { | ||
| if (!element.isJsonNull()) { | ||
| return element.getAsString(); | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| private JsonArray asJsonArrayOrNull(JsonElement element) { | ||
| if (!element.isJsonNull()) { | ||
| return element.getAsJsonArray(); | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| } |
96 changes: 96 additions & 0 deletions
96
...ain/java/org/apache/fineract/portfolio/loanproduct/domain/CreditAllocationsValidator.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF 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.apache.fineract.portfolio.loanproduct.domain; | ||
|
|
||
| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.stream.IntStream; | ||
| import org.apache.commons.lang3.tuple.Pair; | ||
| import org.apache.fineract.infrastructure.core.data.ApiParameterError; | ||
| import org.apache.fineract.infrastructure.core.exception.PlatformApiDataValidationException; | ||
| import org.springframework.stereotype.Service; | ||
|
|
||
| @Service | ||
| public class CreditAllocationsValidator { | ||
|
|
||
| public static final String ADVANCED_PAYMENT_ALLOCATION_STRATEGY = "advanced-payment-allocation-strategy"; | ||
|
|
||
| public void validate(List<LoanProductCreditAllocationRule> rules, String code) { | ||
| if (isAdvancedPaymentStrategy(code)) { | ||
| if (hasDuplicateTransactionTypes(rules)) { | ||
| raiseValidationError("advanced-payment-strategy-with-duplicate-credit-allocation", | ||
| "The same transaction type must be provided only once"); | ||
| } | ||
|
|
||
| if (rules != null) { | ||
| for (LoanProductCreditAllocationRule rule : rules) { | ||
| validateAllocationRule(rule); | ||
| } | ||
| } | ||
|
|
||
| } else { | ||
| if (hasLoanProductCreditAllocationRule(rules)) { | ||
| raiseValidationError("credit_allocation.must.not.be.provided.when.allocation.strategy.is.not.advanced-payment-strategy", | ||
| "In case '" + code + "' payment strategy, creditAllocation must not be provided"); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| public void validatePairOfOrderAndCreditAllocationType(List<Pair<Integer, AllocationType>> rules) { | ||
| if (rules.size() != 4) { | ||
| raiseValidationError("advanced-payment-strategy.each_credit_allocation_order.must.contain.4.entries", | ||
| "Each provided credit allocation must contain exactly 4 allocation rules, but " + rules.size() + " were provided"); | ||
| } | ||
|
|
||
| List<AllocationType> deduped = rules.stream().map(Pair::getRight).distinct().toList(); | ||
| if (deduped.size() != 4) { | ||
| raiseValidationError("advanced-payment-strategy.must.not.have.duplicate.credit.allocation.rule", | ||
| "The list of provided credit allocation rules must not contain any duplicates"); | ||
| } | ||
|
|
||
| if (!Arrays.equals(IntStream.rangeClosed(1, 4).boxed().toArray(), rules.stream().map(Pair::getLeft).toArray())) { | ||
| raiseValidationError("advanced-payment-strategy.invalid.order", "The provided orders must be between 1 and 4"); | ||
| } | ||
| } | ||
|
|
||
| private boolean hasDuplicateTransactionTypes(List<LoanProductCreditAllocationRule> rules) { | ||
| return rules != null | ||
| && rules.stream().map(LoanProductCreditAllocationRule::getTransactionType).distinct().toList().size() != rules.size(); | ||
| } | ||
|
|
||
| private void validateAllocationRule(LoanProductCreditAllocationRule rule) { | ||
| if (rule.getTransactionType() == null) { | ||
| raiseValidationError("advanced-payment-strategy.with.not.valid.transaction.type", | ||
| "Credit allocation was provided with a not valid transaction type"); | ||
| } | ||
| } | ||
|
|
||
| private boolean isAdvancedPaymentStrategy(String code) { | ||
| return ADVANCED_PAYMENT_ALLOCATION_STRATEGY.equals(code); | ||
| } | ||
|
|
||
| private boolean hasLoanProductCreditAllocationRule(List<LoanProductCreditAllocationRule> rules) { | ||
| return rules != null && rules.size() > 0; | ||
| } | ||
|
|
||
| private void raiseValidationError(String globalisationMessageCode, String msg) { | ||
| throw new PlatformApiDataValidationException(List.of(ApiParameterError.generalError(globalisationMessageCode, msg))); | ||
| } | ||
|
|
||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.