FINERACT-1926: Fineract Asset Externalization events

- [x] Change events
- [x] Create data enricher
- [x] Core changes
- [x] Remove AbstractBusinessEventSerializer
- [x] BusinessEventSerializer.toAvroDto added and change the event serializers

fineract-investor/src/main/java/org/apache/fineract/investor/api/ExternalAssetOwnersApiResource.java

@@ -50,6 +50,7 @@ import org.apache.fineract.investor.data.ExternalTransferData;
 import org.apache.fineract.investor.data.ExternalTransferResponseData;
 import org.apache.fineract.investor.service.ExternalAssetOwnersReadService;
 import org.apache.fineract.portfolio.loanaccount.service.LoanReadPlatformServiceCommon;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.data.domain.Page;
 import org.springframework.stereotype.Component;
 
@@ -57,6 +58,7 @@ import org.springframework.stereotype.Component;
 @Component
 @Tag(name = "External Asset Owners", description = "External Asset Owners")
 @RequiredArgsConstructor
+@ConditionalOnProperty(value = "fineract.module.external-asset-owner.enabled", havingValue = "true")
 public class ExternalAssetOwnersApiResource {
 
     private final PlatformUserRightsContext platformUserRightsContext;

fineract-investor/src/main/java/org/apache/fineract/investor/domain/ExternalAssetOwnerTransferRepository.java

@@ -41,6 +41,12 @@ public interface ExternalAssetOwnerTransferRepository
     @Query("select e from ExternalAssetOwnerTransfer e where e.loanId = :loanId and e.id = (select max(ex.id) from ExternalAssetOwnerTransfer ex where ex.loanId = :loanId)")
     Optional<ExternalAssetOwnerTransfer> findLatestByLoanId(@Param("loanId") Long loanId);
 
+    @Query("select m.ownerTransfer from ExternalAssetOwnerTransferLoanMapping m inner join fetch m.ownerTransfer o where m.loanId = :loanId")
+    Optional<ExternalAssetOwnerTransfer> findActiveByLoanId(@Param("loanId") Long loanId);
+
+    @Query("select m.ownerTransfer.owner from ExternalAssetOwnerTransferLoanMapping m where m.loanId = :loanId")
+    Optional<ExternalAssetOwner> findActiveOwnerByLoanId(@Param("loanId") Long loanId);
+
     @Query("SELECT t FROM ExternalAssetOwnerTransfer t WHERE t.loanId = :loanId AND t.effectiveDateTo > :effectiveDate")
     List<ExternalAssetOwnerTransfer> findEffectiveTransfers(@Param("loanId") Long loanId, @Param("effectiveDate") LocalDate effectiveDate);
 }

fineract-investor/src/main/java/org/apache/fineract/investor/enricher/LoanAccountDataV1Enricher.java

@@ -0,0 +1,55 @@
+/**
+ * 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.investor.enricher;
+
+import lombok.RequiredArgsConstructor;
+import org.apache.fineract.avro.loan.v1.LoanAccountDataV1;
+import org.apache.fineract.infrastructure.core.domain.ExternalId;
+import org.apache.fineract.infrastructure.core.service.DataEnricher;
+import org.apache.fineract.infrastructure.event.external.service.serialization.mapper.support.AvroDateTimeMapper;
+import org.apache.fineract.infrastructure.event.external.service.serialization.mapper.support.ExternalIdMapper;
+import org.apache.fineract.investor.domain.ExternalAssetOwnerTransferRepository;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+public class LoanAccountDataV1Enricher implements DataEnricher<LoanAccountDataV1> {
+
+    private final ExternalAssetOwnerTransferRepository externalAssetOwnerTransferRepository;
+    private final ExternalIdMapper externalIdMapper;
+    private final AvroDateTimeMapper avroDateTimeMapper;
+
+    @Override
+    public boolean isDataTypeSupported(Class<LoanAccountDataV1> dataType) {
+        return dataType.isAssignableFrom(LoanAccountDataV1.class);
+    }
+
+    @Override
+    public void enrich(LoanAccountDataV1 data) {
+        externalAssetOwnerTransferRepository.findActiveByLoanId(data.getId()).ifPresent(transfer -> {
+            ExternalId transferOwnerExternalId = transfer.getOwner().getExternalId();
+            data.setExternalOwnerId(externalIdMapper.mapExternalId(transferOwnerExternalId));
+            data.setSettlementDate(avroDateTimeMapper.mapLocalDate(transfer.getSettlementDate()));
+            data.setPurchasePriceRatio(transfer.getPurchasePriceRatio());
+            if (data.getCharges() != null) {
+                data.getCharges().forEach(charge -> charge.setExternalOwnerId(externalIdMapper.mapExternalId(transferOwnerExternalId)));
+            }
+        });
+    }
+}

fineract-investor/src/main/java/org/apache/fineract/investor/enricher/LoanChargeDataV1Enricher.java

@@ -0,0 +1,45 @@
+/**
+ * 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.investor.enricher;
+
+import lombok.RequiredArgsConstructor;
+import org.apache.fineract.avro.loan.v1.LoanChargeDataV1;
+import org.apache.fineract.infrastructure.core.service.DataEnricher;
+import org.apache.fineract.infrastructure.event.external.service.serialization.mapper.support.ExternalIdMapper;
+import org.apache.fineract.investor.domain.ExternalAssetOwnerTransferRepository;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+public class LoanChargeDataV1Enricher implements DataEnricher<LoanChargeDataV1> {
+
+    private final ExternalAssetOwnerTransferRepository externalAssetOwnerTransferRepository;
+    private final ExternalIdMapper externalIdMapper;
+
+    @Override
+    public boolean isDataTypeSupported(Class<LoanChargeDataV1> dataType) {
+        return dataType.isAssignableFrom(LoanChargeDataV1.class);
+    }
+
+    @Override
+    public void enrich(LoanChargeDataV1 data) {
+        externalAssetOwnerTransferRepository.findActiveOwnerByLoanId(data.getLoanId())
+                .ifPresent(owner -> data.setExternalOwnerId(externalIdMapper.mapExternalId(owner.getExternalId())));
+    }
+}