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FINERACT-2178: Ability to retrieve a loan's balance at a certain poin…
…t in time in the past
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36 changes: 36 additions & 0 deletions
36
...n/java/org/apache/fineract/portfolio/loanaccount/api/pointintime/LoansPointInTimeApi.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| /** | ||
| * 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.loanaccount.api.pointintime; | ||
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| import java.util.List; | ||
| import org.apache.fineract.infrastructure.core.api.DateParam; | ||
| import org.apache.fineract.portfolio.loanaccount.api.pointintime.data.RetrieveLoansPointInTimeExternalIdsRequest; | ||
| import org.apache.fineract.portfolio.loanaccount.api.pointintime.data.RetrieveLoansPointInTimeRequest; | ||
| import org.apache.fineract.portfolio.loanaccount.data.LoanPointInTimeData; | ||
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| public interface LoansPointInTimeApi { | ||
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| LoanPointInTimeData retrieveLoanPointInTime(Long loanId, DateParam dateParam, String dateFormat, String locale); | ||
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| LoanPointInTimeData retrieveLoanPointInTimeByExternalId(String loanExternalId, DateParam dateParam, String dateFormat, String locale); | ||
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| List<LoanPointInTimeData> retrieveLoansPointInTime(RetrieveLoansPointInTimeRequest request); | ||
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| List<LoanPointInTimeData> retrieveLoansPointInTimeByExternalIds(RetrieveLoansPointInTimeExternalIdsRequest request); | ||
| } |
114 changes: 114 additions & 0 deletions
114
...rg/apache/fineract/portfolio/loanaccount/api/pointintime/LoansPointInTimeApiDelegate.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| /** | ||
| * 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.loanaccount.api.pointintime; | ||
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|
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| import java.time.LocalDate; | ||
| import java.util.List; | ||
| import lombok.RequiredArgsConstructor; | ||
| import org.apache.commons.lang3.StringUtils; | ||
| import org.apache.fineract.infrastructure.core.api.DateParam; | ||
| import org.apache.fineract.infrastructure.core.data.DateFormat; | ||
| import org.apache.fineract.infrastructure.core.domain.ExternalId; | ||
| import org.apache.fineract.infrastructure.core.service.ExternalIdFactory; | ||
| import org.apache.fineract.infrastructure.security.service.PlatformSecurityContext; | ||
| import org.apache.fineract.portfolio.loanaccount.api.pointintime.data.RetrieveLoansPointInTimeExternalIdsRequest; | ||
| import org.apache.fineract.portfolio.loanaccount.api.pointintime.data.RetrieveLoansPointInTimeRequest; | ||
| import org.apache.fineract.portfolio.loanaccount.data.LoanPointInTimeData; | ||
| import org.apache.fineract.portfolio.loanaccount.exception.LoanNotFoundException; | ||
| import org.apache.fineract.portfolio.loanaccount.service.LoanPointInTimeService; | ||
| import org.apache.fineract.portfolio.loanaccount.service.LoanReadPlatformService; | ||
| import org.springframework.stereotype.Component; | ||
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| @Component | ||
| @RequiredArgsConstructor | ||
| public class LoansPointInTimeApiDelegate implements LoansPointInTimeApi { | ||
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| private static final String RESOURCE_NAME_FOR_PERMISSIONS = "LOAN"; | ||
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| private final LoanPointInTimeService loanPointInTimeService; | ||
| private final LoanReadPlatformService loanReadPlatformService; | ||
| private final PlatformSecurityContext context; | ||
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| @Override | ||
| public LoanPointInTimeData retrieveLoanPointInTime(Long loanId, DateParam dateParam, String dateFormat, String locale) { | ||
| context.authenticatedUser().validateHasReadPermission(RESOURCE_NAME_FOR_PERMISSIONS); | ||
| return getLoanPointInTime(loanId, dateParam, dateFormat, locale); | ||
| } | ||
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| @Override | ||
| public LoanPointInTimeData retrieveLoanPointInTimeByExternalId(String loanExternalIdStr, DateParam dateParam, String dateFormat, | ||
| String locale) { | ||
| context.authenticatedUser().validateHasReadPermission(RESOURCE_NAME_FOR_PERMISSIONS); | ||
| ExternalId loanExternalId = ExternalIdFactory.produce(loanExternalIdStr); | ||
| Long loanId = resolveExternalId(loanExternalId); | ||
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| return getLoanPointInTime(loanId, dateParam, dateFormat, locale); | ||
| } | ||
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| @Override | ||
| public List<LoanPointInTimeData> retrieveLoansPointInTime(RetrieveLoansPointInTimeRequest request) { | ||
| context.authenticatedUser().validateHasReadPermission(RESOURCE_NAME_FOR_PERMISSIONS); | ||
| List<Long> loanIds = request.getLoanIds(); | ||
| DateParam dateParam = request.getDate(); | ||
| String dateFormat = request.getDateFormat(); | ||
| String locale = request.getLocale(); | ||
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| return getLoansPointInTime(loanIds, dateParam, dateFormat, locale); | ||
| } | ||
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| @Override | ||
| public List<LoanPointInTimeData> retrieveLoansPointInTimeByExternalIds(RetrieveLoansPointInTimeExternalIdsRequest request) { | ||
| context.authenticatedUser().validateHasReadPermission(RESOURCE_NAME_FOR_PERMISSIONS); | ||
| List<String> loanExternalIds = request.getExternalIds(); | ||
| DateParam dateParam = request.getDate(); | ||
| String dateFormat = request.getDateFormat(); | ||
| String locale = request.getLocale(); | ||
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| List<ExternalId> externalIds = ExternalIdFactory.produce(loanExternalIds); | ||
| List<Long> loanIds = resolveExternalIds(externalIds); | ||
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| return getLoansPointInTime(loanIds, dateParam, dateFormat, locale); | ||
| } | ||
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| private List<LoanPointInTimeData> getLoansPointInTime(List<Long> loanIds, DateParam dateParam, String dateFormat, String locale) { | ||
| DateFormat df = StringUtils.isBlank(dateFormat) ? null : new DateFormat(dateFormat); | ||
| LocalDate date = dateParam.getDate("date", df, locale); | ||
| return loanPointInTimeService.retrieveAt(loanIds, date); | ||
| } | ||
|
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| private LoanPointInTimeData getLoanPointInTime(Long loanId, DateParam dateParam, String dateFormat, String locale) { | ||
| DateFormat df = StringUtils.isBlank(dateFormat) ? null : new DateFormat(dateFormat); | ||
| LocalDate date = dateParam.getDate("date", df, locale); | ||
| return loanPointInTimeService.retrieveAt(loanId, date); | ||
| } | ||
|
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| private List<Long> resolveExternalIds(List<ExternalId> loanExternalIds) { | ||
| loanExternalIds.forEach(ExternalId::throwExceptionIfEmpty); | ||
| return loanReadPlatformService.retrieveLoanIdsByExternalIds(loanExternalIds); | ||
| } | ||
|
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| private Long resolveExternalId(ExternalId loanExternalId) { | ||
| loanExternalId.throwExceptionIfEmpty(); | ||
| Long resolvedLoanId = loanReadPlatformService.retrieveLoanIdByExternalId(loanExternalId); | ||
| if (resolvedLoanId == null) { | ||
| throw new LoanNotFoundException(loanExternalId); | ||
| } | ||
| return resolvedLoanId; | ||
| } | ||
| } |
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