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[OB3] [Accelerator] Saving Multiple Control Parameters in Variable Re…
…curring Payment Consent Initiation Payload (#74) Adds Fixes in VRP Submission Flow
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119 changes: 119 additions & 0 deletions
119
...com/wso2/openbanking/accelerator/consent/extensions/event/executors/VRPEventExecutor.java
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| @@ -0,0 +1,119 @@ | ||
| /** | ||
| * Copyright (c) 2023, WSO2 LLC. (https://www.wso2.com). | ||
| * | ||
| * WSO2 LLC. 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 com.wso2.openbanking.accelerator.consent.extensions.event.executors; | ||
|
|
||
| import com.wso2.openbanking.accelerator.common.event.executor.OBEventExecutor; | ||
| import com.wso2.openbanking.accelerator.common.event.executor.model.OBEvent; | ||
| import com.wso2.openbanking.accelerator.consent.extensions.common.ConsentExtensionConstants; | ||
| import com.wso2.openbanking.accelerator.consent.extensions.manage.model.PeriodicLimit; | ||
| import net.minidev.json.JSONArray; | ||
| import net.minidev.json.JSONObject; | ||
| import net.minidev.json.parser.JSONParser; | ||
| import net.minidev.json.parser.ParseException; | ||
|
|
||
| import java.math.BigDecimal; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
|
||
| /** | ||
| * This class is responsible for executing Variable Recurring Payments (VRP) events. | ||
| * It implements the OBEventExecutor interface and overrides its methods to provide | ||
| * specific implementations for VRP events. | ||
| */ | ||
| public class VRPEventExecutor implements OBEventExecutor { | ||
|
|
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| public static List<PeriodicLimit> validateInstructedAmountWithControlParameters(BigDecimal instructedAmount, | ||
| JSONObject controlParameters) { | ||
|
|
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| /** | ||
| * Validates the instructed amount with control parameters and returns a list of PeriodicLimit objects. | ||
| * If the instructed amount is greater than the maximum individual amount or the cyclic remaining amount, | ||
| * an empty list is returned. If the JSON parsing fails, an empty list is also returned. | ||
| * | ||
| * @param instructedAmount The instructed amount to be validated | ||
| * @param controlParameters The control parameters to be used for validation | ||
| * @return A list of PeriodicLimit objects | ||
| */ | ||
| List<PeriodicLimit> periodicLimitsList = new ArrayList<>(); | ||
|
|
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| BigDecimal maxIndividualAmount = BigDecimal.valueOf(Double.parseDouble(controlParameters. | ||
| getAsString(ConsentExtensionConstants.MAXIMUM_INDIVIDUAL_AMOUNT))); | ||
|
|
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| if (instructedAmount.compareTo(maxIndividualAmount) > 0) { | ||
| return periodicLimitsList; | ||
| } | ||
|
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| JSONParser parser = new JSONParser(JSONParser.MODE_JSON_SIMPLE); | ||
| JSONArray periodicLimits; | ||
|
|
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| try { | ||
| periodicLimits = (JSONArray) parser.parse(controlParameters. | ||
| getAsString(ConsentExtensionConstants.PERIODIC_LIMITS)); | ||
| } catch (ParseException e) { | ||
| // Log the error or handle it as needed | ||
| return periodicLimitsList; | ||
| } | ||
|
|
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| long currentMoment = System.currentTimeMillis() / 1000; | ||
|
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| for (Object obj : periodicLimits) { | ||
| JSONObject limit = (JSONObject) obj; | ||
| BigDecimal amount = BigDecimal. | ||
| valueOf(Double.parseDouble(limit.getAsString(ConsentExtensionConstants.AMOUNT))); | ||
| long cyclicExpiryTime = Long.parseLong(limit.getAsString(ConsentExtensionConstants.CYCLIC_EXPIRY_TIME)); | ||
| BigDecimal cyclicRemainingAmount = BigDecimal. | ||
| valueOf(Double.parseDouble(limit.getAsString(ConsentExtensionConstants.CYCLIC_REMAINING_AMOUNT))); | ||
|
|
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| String periodType = limit.getAsString(ConsentExtensionConstants.PERIOD_TYPE); | ||
| String periodAlignment = limit.getAsString(ConsentExtensionConstants.PERIOD_ALIGNMENT); | ||
|
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| PeriodicLimit periodicLimit = new PeriodicLimit(periodType, amount, periodAlignment); | ||
|
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| if (currentMoment <= cyclicExpiryTime) { | ||
| if (instructedAmount.compareTo(cyclicRemainingAmount) > 0) { | ||
| return periodicLimitsList; | ||
| } else { | ||
| cyclicRemainingAmount = cyclicRemainingAmount.subtract(instructedAmount); | ||
| } | ||
| } else { | ||
| while (currentMoment > periodicLimit.getCyclicExpiryTime()) { | ||
| periodicLimit.setCyclicExpiryTime(); | ||
| } | ||
| cyclicRemainingAmount = amount; | ||
| if (instructedAmount.compareTo(cyclicRemainingAmount) > 0) { | ||
| return periodicLimitsList; | ||
| } else { | ||
| cyclicRemainingAmount = cyclicRemainingAmount.subtract(instructedAmount); | ||
| } | ||
| } | ||
| periodicLimitsList.add(periodicLimit); | ||
| } | ||
|
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| return periodicLimitsList; | ||
| } | ||
|
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| /** | ||
| * Processes the given OBEvent. This method is part of the OBEventExecutor interface and needs to be implemented. | ||
| * | ||
| * @param obEvent The OBEvent to be processed | ||
| */ | ||
| @Override | ||
| public void processEvent(OBEvent obEvent) { | ||
|
|
||
| } | ||
| } |
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