FINERACT-1926: Fineract Asset Externalization models

- [x] JPA Model changes
- [x] External Asset Owner Platform services
- [x] External Asset Owner Swagger
- [x] Core changes

fineract-core/src/main/java/org/apache/fineract/infrastructure/core/config/MapstructMapperConfig.java

@@ -18,10 +18,12 @@
  */
 package org.apache.fineract.infrastructure.core.config;
 
+import org.apache.fineract.infrastructure.event.external.service.serialization.mapper.support.ExternalIdMapper;
 import org.mapstruct.Builder;
 import org.mapstruct.MapperConfig;
 import org.mapstruct.MappingConstants;
 import org.mapstruct.ReportingPolicy;
 
-@MapperConfig(componentModel = MappingConstants.ComponentModel.SPRING, unmappedTargetPolicy = ReportingPolicy.ERROR, builder = @Builder(disableBuilder = true))
+@MapperConfig(componentModel = MappingConstants.ComponentModel.SPRING, unmappedTargetPolicy = ReportingPolicy.ERROR, builder = @Builder(disableBuilder = true), uses = {
+        ExternalIdMapper.class })
 public class MapstructMapperConfig {}

fineract-core/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/mapper/support/ExternalIdMapper.java

@@ -22,7 +22,7 @@ import org.apache.fineract.infrastructure.core.domain.ExternalId;
 import org.springframework.stereotype.Component;
 
 @Component
-public class AvroExternalIdMapper {
+public class ExternalIdMapper {
 
     public String mapExternalId(ExternalId source) {
         if (source == null) {

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

@@ -18,8 +18,14 @@
  */
 package org.apache.fineract.investor.api;
 
+import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import java.util.List;
 import javax.ws.rs.Consumes;
 import javax.ws.rs.GET;
 import javax.ws.rs.POST;
@@ -27,10 +33,17 @@ import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
 import javax.ws.rs.Produces;
 import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.Context;
 import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.UriInfo;
 import lombok.RequiredArgsConstructor;
 import org.apache.commons.lang3.NotImplementedException;
+import org.apache.fineract.infrastructure.core.api.ApiRequestParameterHelper;
+import org.apache.fineract.infrastructure.core.serialization.ApiRequestJsonSerializationSettings;
+import org.apache.fineract.infrastructure.core.serialization.DefaultToApiJsonSerializer;
 import org.apache.fineract.infrastructure.security.service.PlatformUserRightsContext;
+import org.apache.fineract.investor.data.ExternalTransferData;
+import org.apache.fineract.investor.service.ExternalAssetOwnersReadService;
 import org.springframework.stereotype.Component;
 
 @Path("/v1/external-asset-owners")
@@ -40,6 +53,9 @@ import org.springframework.stereotype.Component;
 public class ExternalAssetOwnersApiResource {
 
     private final PlatformUserRightsContext platformUserRightsContext;
+    private final ExternalAssetOwnersReadService externalAssetOwnersReadService;
+    private final ApiRequestParameterHelper apiRequestParameterHelper;
+    private final DefaultToApiJsonSerializer<ExternalTransferData> apiJsonSerializerService;
 
     @POST
     @Path("/transfers/loans/{loanId}")
@@ -54,7 +70,7 @@ public class ExternalAssetOwnersApiResource {
     }
 
     @POST
-    @Path("/transfers/loans//external-id/{loanExternalId}")
+    @Path("/transfers/loans/external-id/{loanExternalId}")
     @Consumes({ MediaType.APPLICATION_JSON })
     @Produces({ MediaType.APPLICATION_JSON })
     public String transferRequestWithLoanExternalId(@PathParam("loanExternalId") final Long loanId,
@@ -68,12 +84,19 @@ public class ExternalAssetOwnersApiResource {
     @GET
     @Path("/transfers")
     @Produces({ MediaType.APPLICATION_JSON })
+    @Operation(tags = {
+            "External Asset Owners" }, summary = "Retrieve External Asset Owner Transfers", description = "Retrieve External Asset Owner Transfer items by transferExternalId, loanId or loanExternalId")
+    @ApiResponses({
+            @ApiResponse(responseCode = "200", description = "OK", content = @Content(schema = @Schema(implementation = ExternalAssetOwnersApiResourceSwagger.GetExternalTransferResponse.class))) })
     public String getTransfer(
             @QueryParam("transferExternalId") @Parameter(description = "transferExternalId") final String transferExternalId,
-            @QueryParam("loanId") @Parameter(description = "loanId") final String loanId,
+            @QueryParam("loanId") @Parameter(description = "loanId") final Long loanId,
-            @QueryParam("loanExternalId") @Parameter(description = "loanExternalId") final String loanExternalId) {
+            @QueryParam("loanExternalId") @Parameter(description = "loanExternalId") final String loanExternalId,
+            @Context final UriInfo uriInfo) {
         platformUserRightsContext.isAuthenticated();
-
+        List<ExternalTransferData> transferDataList = externalAssetOwnersReadService.retrieveTransferData(loanId, loanExternalId,
-        throw new NotImplementedException("Not implemented yet");
+                transferExternalId);
+        ApiRequestJsonSerializationSettings settings = this.apiRequestParameterHelper.process(uriInfo.getQueryParameters());
+        return apiJsonSerializerService.serialize(settings, transferDataList);
     }
 }

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

@@ -0,0 +1,90 @@
+/**
+ * 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.api;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import java.math.BigDecimal;
+import java.time.LocalDate;
+import java.util.Set;
+import org.apache.fineract.investor.data.ExternalTransferStatus;
+
+@SuppressWarnings({ "MemberName" })
+final class ExternalAssetOwnersApiResourceSwagger {
+
+    private ExternalAssetOwnersApiResourceSwagger() {}
+
+    @Schema(description = "ExternalTransferResponse")
+    public static final class GetExternalTransferResponse {
+
+        private GetExternalTransferResponse() {}
+
+        static final class GetExternalTransferPageItems {
+
+            private GetExternalTransferPageItems() {}
+
+            static final class GetExternalTransferOwner {
+
+                private GetExternalTransferOwner() {}
+
+                @Schema(example = "e1156fbe-38bb-42f8-b491-fca02075f40e")
+                public String externalId;
+            }
+
+            static final class GetExternalTransferLoan {
+
+                private GetExternalTransferLoan() {}
+
+                @Schema(example = "1")
+                public Long loanId;
+
+                @Schema(example = "e1156fbe-38bb-42f8-b491-fca02075f40e")
+                public String externalId;
+            }
+
+            @Schema(example = "1")
+            public Long transferId;
+
+            public GetExternalTransferOwner owner;
+
+            public GetExternalTransferLoan loan;
+
+            @Schema(example = "e1156fbe-38bb-42f8-b491-fca02075f40e")
+            public String transferExternalId;
+
+            @Schema(example = "1")
+            public BigDecimal purchasePriceRatio;
+
+            @Schema(example = "[2023, 5, 23]")
+            public LocalDate settlementDate;
+
+            @Schema(example = "PENDING")
+            public ExternalTransferStatus status;
+
+            @Schema(example = "[2023, 5, 1]")
+            public LocalDate effectiveFrom;
+
+            @Schema(example = "[2023, 5, 23]")
+            public LocalDate effectiveTo;
+        }
+
+        @Schema(example = "20")
+        public Integer totalFilteredRecords;
+        public Set<GetExternalTransferPageItems> pageItems;
+    }
+}

fineract-investor/src/main/java/org/apache/fineract/investor/data/ExternalTransferData.java

@@ -25,15 +25,13 @@ import lombok.Data;
 @Data
 public class ExternalTransferData {
 
-    private final Long transferId;
+    private Long transferId;
-    private final ExternalTransferOwnerData owner;
+    private ExternalTransferOwnerData owner;
-    private final ExternalTransferLoanMappingData loan;
+    private ExternalTransferLoanMappingData loan;
-    private final String transferExternalId;
+    private String transferExternalId;
-    private final BigDecimal purchasePriceRatio;
+    private BigDecimal purchasePriceRatio;
-    private final LocalDate settlementDate;
+    private LocalDate settlementDate;
-    private final ExternalTransferStatus status;
+    private ExternalTransferStatus status;
-    private final LocalDate effectiveFrom;
+    private LocalDate effectiveFrom;
-    private final LocalDate effectiveTo;
+    private LocalDate effectiveTo;
-    private final String dateFormat;
-    private final String locale;
 }

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

@@ -25,6 +25,7 @@ import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
+import org.apache.fineract.infrastructure.core.domain.ExternalId;
 
 @Getter
 @Setter
@@ -34,6 +35,6 @@ import lombok.Setter;
 public class ExternalAssetOwner extends AbstractAuditableWithUTCDateTimeCustom {
 
     @Column(name = "external_id", nullable = false, length = 100, unique = true)
-    private String externalId;
+    private ExternalId externalId;
 
 }

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

@@ -29,6 +29,7 @@ import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
+import org.apache.fineract.infrastructure.core.domain.ExternalId;
 
 @Getter
 @Setter
@@ -45,7 +46,7 @@ public class ExternalAssetOwnerTransfer extends AbstractAuditableWithUTCDateTime
     private ExternalAssetOwner owner;
 
     @Column(name = "external_id", length = 100)
-    private String externalId;
+    private ExternalId externalId;
 
     @Column(name = "status", length = 50)
     private String status;
@@ -62,4 +63,10 @@ public class ExternalAssetOwnerTransfer extends AbstractAuditableWithUTCDateTime
     @Column(name = "effective_date_to")
     private LocalDate effectiveDateTo;
 
+    @Column(name = "loan_id", nullable = false)
+    private Long loanId;
+
+    @Column(name = "external_loan_id", length = 100)
+    private ExternalId externalLoanId;
+
 }

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

@@ -39,7 +39,7 @@ public class ExternalAssetOwnerTransferLoanMapping extends AbstractAuditableWith
     private Long loanId;
 
     @ManyToOne
-    @JoinColumn(name = "owner_transfer_id", insertable = false, updatable = false)
+    @JoinColumn(name = "owner_transfer_id")
     private ExternalAssetOwnerTransfer ownerTransfer;
 
 }

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

@@ -18,10 +18,16 @@
  */
 package org.apache.fineract.investor.domain;
 
+import java.util.List;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 
 public interface ExternalAssetOwnerTransferRepository
         extends JpaRepository<ExternalAssetOwnerTransfer, Long>, JpaSpecificationExecutor<ExternalAssetOwnerTransfer> {
 
+    @Query("select e from ExternalAssetOwnerTransfer e where (:loanId is null or e.loanId = :loanId) and (:loanExternalId is null or e.externalLoanId = :loanExternalId) and (:transferExternalId is null or e.externalId = :transferExternalId)")
+    List<ExternalAssetOwnerTransfer> findAllByIncomingId(@Param("loanId") Long loanId, @Param("loanExternalId") String loanExternalId,
+            @Param("transferExternalId") String transferExternalId);
 }

fineract-investor/src/main/java/org/apache/fineract/investor/service/ExternalAssetOwnersReadService.java

@@ -0,0 +1,27 @@
+/**
+ * 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.service;
+
+import java.util.List;
+import org.apache.fineract.investor.data.ExternalTransferData;
+
+public interface ExternalAssetOwnersReadService {
+
+    List<ExternalTransferData> retrieveTransferData(Long loanId, String externalLoanId, String transferExternalId);
+}

fineract-investor/src/main/java/org/apache/fineract/investor/service/ExternalAssetOwnersReadServiceImpl.java

@@ -0,0 +1,44 @@
+/**
+ * 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.service;
+
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import org.apache.fineract.investor.data.ExternalTransferData;
+import org.apache.fineract.investor.domain.ExternalAssetOwnerTransfer;
+import org.apache.fineract.investor.domain.ExternalAssetOwnerTransferRepository;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+public class ExternalAssetOwnersReadServiceImpl implements ExternalAssetOwnersReadService {
+
+    private final ExternalAssetOwnerTransferRepository externalAssetOwnerTransferRepository;
+    private final ExternalAssetOwnersTransferMapper mapper;
+    private final ExternalAssetOwnersTransferMapper externalAssetOwnersTransferMapper;
+
+    @Override
+    public List<ExternalTransferData> retrieveTransferData(Long loanId, String externalLoanId, String transferExternalId) {
+        List<ExternalAssetOwnerTransfer> result = externalAssetOwnerTransferRepository.findAllByIncomingId(loanId, externalLoanId,
+                transferExternalId);
+        return result.stream().map(mapper::mapTransfer).toList();
+    }
+}

fineract-investor/src/main/java/org/apache/fineract/investor/service/ExternalAssetOwnersTransferMapper.java

@@ -0,0 +1,46 @@
+/**
+ * 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.service;
+
+import org.apache.fineract.infrastructure.core.config.MapstructMapperConfig;
+import org.apache.fineract.investor.data.ExternalTransferData;
+import org.apache.fineract.investor.data.ExternalTransferOwnerData;
+import org.apache.fineract.investor.domain.ExternalAssetOwner;
+import org.apache.fineract.investor.domain.ExternalAssetOwnerTransfer;
+import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
+
+@Mapper(config = MapstructMapperConfig.class)
+public interface ExternalAssetOwnersTransferMapper {
+
+    @Mapping(target = "transferId", source = "id")
+    @Mapping(target = "owner", source = "owner")
+    @Mapping(target = "loan.loanId", source = "loanId")
+    @Mapping(target = "loan.externalId", source = "externalLoanId")
+    @Mapping(target = "transferExternalId", source = "externalId")
+    @Mapping(target = "effectiveFrom", source = "effectiveDateFrom")
+    @Mapping(target = "effectiveTo", source = "effectiveDateTo")
+    @Mapping(target = "purchasePriceRatio", source = "purchasePriceRatio")
+    @Mapping(target = "settlementDate", source = "settlementDate")
+    @Mapping(target = "status", source = "status")
+    ExternalTransferData mapTransfer(ExternalAssetOwnerTransfer source);
+
+    ExternalTransferOwnerData mapOwner(ExternalAssetOwner source);
+
+}

fineract-investor/src/main/resources/db/changelog/tenant/module/investor/parts/0003_asset_schemas.xml

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    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.
+
+-->
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-4.1.xsd">
+
+  <!-- Create the m_external_asset_owner table -->
+  <changeSet author="fineract" id="1" context="postgresql">
+
+    <addColumn tableName="m_external_asset_owner_transfer">
+      <column name="external_loan_id" type="varchar(100)"/>
+      <column name="loan_id" type="bigint" remarks="Loan ID">
+        <constraints nullable="false"/>
+      </column>
+    </addColumn>
+  </changeSet>
+  <changeSet author="fineract" id="2" context="postgresql">
+
+    <addForeignKeyConstraint baseColumnNames="loan_id"
+      baseTableName="m_external_asset_owner_transfer"
+      constraintName="FK_external_asset_owner_transfer_loan_id" deferrable="false"
+      initiallyDeferred="false"
+      onDelete="RESTRICT" onUpdate="RESTRICT" referencedColumnNames="id"
+      referencedTableName="m_loan" validate="true"/>
+
+  </changeSet>
+
+</databaseChangeLog>

fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/mapper/support/AvroMapperConfig.java

@@ -24,5 +24,5 @@ import org.mapstruct.MappingConstants;
 import org.mapstruct.ReportingPolicy;
 
 @MapperConfig(componentModel = MappingConstants.ComponentModel.SPRING, unmappedTargetPolicy = ReportingPolicy.ERROR, builder = @Builder(disableBuilder = true), uses = {
-        AvroDateTimeMapper.class, AvroMonthDayMapper.class, AvroExternalIdMapper.class })
+        AvroDateTimeMapper.class, AvroMonthDayMapper.class, ExternalIdMapper.class })
 public class AvroMapperConfig {}