[FINERACT-1678] business step configuration fix

fineract-provider/src/main/java/org/apache/fineract/cob/domain/BatchBusinessStep.java

@@ -30,16 +30,15 @@ import org.apache.fineract.infrastructure.core.domain.AbstractPersistableCustom;
 @Table(name = "m_batch_business_steps")
 @NoArgsConstructor
 @Getter
+@Setter
 public class BatchBusinessStep extends AbstractPersistableCustom {
 
     @Column(name = "job_name", nullable = false)
     private String jobName;
 
-    @Setter
     @Column(name = "step_name", nullable = false)
     private String stepName;
 
-    @Setter
     @Column(name = "step_order", nullable = false)
     private Long stepOrder;
 

fineract-provider/src/main/java/org/apache/fineract/cob/domain/BatchBusinessStepRepository.java

@@ -30,4 +30,6 @@ public interface BatchBusinessStepRepository extends JpaRepository<BatchBusiness
     @Query("SELECT DISTINCT bbs.jobName FROM BatchBusinessStep bbs")
     List<String> findConfiguredJobNames();
 
+    void deleteAllByJobName(String jobName);
+
 }

fineract-provider/src/main/java/org/apache/fineract/cob/service/BusinessStepConfigUpdateHandler.java

@@ -21,6 +21,7 @@ package org.apache.fineract.cob.service;
 import com.google.common.base.Splitter;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
+import org.apache.fineract.cob.exceptions.BusinessStepException;
 import org.apache.fineract.cob.exceptions.BusinessStepNotBelongsToJobException;
 import org.apache.fineract.commands.annotation.CommandType;
 import org.apache.fineract.commands.handler.NewCommandSourceHandler;
@@ -38,7 +39,7 @@ public class BusinessStepConfigUpdateHandler implements NewCommandSourceHandler
 
     @Override
     @Transactional
-    public CommandProcessingResult processCommand(JsonCommand command) throws BusinessStepNotBelongsToJobException {
+    public CommandProcessingResult processCommand(JsonCommand command) throws BusinessStepNotBelongsToJobException, BusinessStepException {
         List<String> split = Splitter.on("/").splitToList(command.getUrl());
         String jobName = split.get(split.size() - 2);
         if ("null".equals(jobName)) {

fineract-provider/src/main/java/org/apache/fineract/cob/service/ConfigJobParameterServiceImpl.java

@@ -29,22 +29,30 @@ import org.apache.fineract.cob.data.JobBusinessStepConfigData;
 import org.apache.fineract.cob.data.JobBusinessStepDetail;
 import org.apache.fineract.cob.domain.BatchBusinessStep;
 import org.apache.fineract.cob.domain.BatchBusinessStepRepository;
+import org.apache.fineract.cob.exceptions.BusinessStepException;
 import org.apache.fineract.cob.exceptions.BusinessStepNotBelongsToJobException;
 import org.apache.fineract.infrastructure.core.api.JsonCommand;
 import org.apache.fineract.infrastructure.core.data.CommandProcessingResult;
 import org.apache.fineract.infrastructure.core.data.CommandProcessingResultBuilder;
+import org.springframework.beans.factory.InitializingBean;
 import org.springframework.context.ApplicationContext;
 import org.springframework.stereotype.Service;
 
 @Service
 @RequiredArgsConstructor
-public class ConfigJobParameterServiceImpl implements ConfigJobParameterService {
+public class ConfigJobParameterServiceImpl implements ConfigJobParameterService, InitializingBean {
 
     private final BatchBusinessStepRepository batchBusinessStepRepository;
     private final BusinessStepConfigDataParser dataParser;
     private final BusinessStepCategoryService businessStepCategoryService;
     private final ApplicationContext applicationContext;
     private final BusinessStepMapper mapper;
+    private JobBusinessStepDetail availableBusinessStepsForLoan;
+
+    @Override
+    public void afterPropertiesSet() throws Exception {
+        availableBusinessStepsForLoan = getAvailableBusinessStepsByJobName(BusinessStepCategory.LOAN.name());
+    }
 
     @Override
     public JobBusinessStepConfigData getBusinessStepConfigByJobName(String jobName) {
@@ -59,15 +67,25 @@ public class ConfigJobParameterServiceImpl implements ConfigJobParameterService
     public CommandProcessingResult updateStepConfigByJobName(JsonCommand command, String jobName)
             throws BusinessStepNotBelongsToJobException {
         List<BusinessStep> businessSteps = dataParser.parseUpdate(command);
-        List<BatchBusinessStep> batchBusinessSteps = batchBusinessStepRepository.findAllByJobName(jobName);
-        businessSteps.forEach(newBusinessStepConfig -> {
-            BatchBusinessStep batchBusinessStep = batchBusinessSteps.stream()
-                    .filter(oldBusinessStepConfig -> oldBusinessStepConfig.getStepName().equals(newBusinessStepConfig.getStepName()))
-                    .findFirst().orElseThrow(BusinessStepNotBelongsToJobException::new);
-            batchBusinessStep.setStepName(newBusinessStepConfig.getStepName());
-            batchBusinessStep.setStepOrder(newBusinessStepConfig.getOrder());
-            batchBusinessStepRepository.save(batchBusinessStep);
-        });
+        if (businessSteps.isEmpty()) {
+            throw new BusinessStepException("A job needs to have 1 business step at least.");
+        }
+        List<String> availableBusinessStepNames = availableBusinessStepsForLoan.getAvailableBusinessSteps().stream()
+                .map(BusinessStepDetail::getStepName).toList();
+        List<String> notValidBusinessStepNames = businessSteps.stream().map(BusinessStep::getStepName)
+                .filter(businessStepName -> !availableBusinessStepNames.contains(businessStepName)).toList();
+        if (notValidBusinessStepNames.isEmpty()) {
+            batchBusinessStepRepository.deleteAllByJobName(jobName);
+            businessSteps.forEach(newBusinessStepConfig -> {
+                BatchBusinessStep batchBusinessStep = new BatchBusinessStep();
+                batchBusinessStep.setJobName(jobName);
+                batchBusinessStep.setStepName(newBusinessStepConfig.getStepName());
+                batchBusinessStep.setStepOrder(newBusinessStepConfig.getOrder());
+                batchBusinessStepRepository.save(batchBusinessStep);
+            });
+        } else {
+            throw new BusinessStepException(notValidBusinessStepNames + " Business steps are not configurable for this job.");
+        }
         return new CommandProcessingResultBuilder().withCommandId(command.commandId()).build();
     }
 
@@ -96,5 +114,4 @@ public class ConfigJobParameterServiceImpl implements ConfigJobParameterService
     public List<String> getAllConfiguredJobNames() {
         return batchBusinessStepRepository.findConfiguredJobNames();
     }
-
 }

fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/exceptionmapper/BusinessStepExceptionMapper.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.infrastructure.core.exceptionmapper;
+
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.ext.ExceptionMapper;
+import javax.ws.rs.ext.Provider;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.fineract.cob.exceptions.BusinessStepException;
+import org.apache.fineract.infrastructure.core.data.ApiParameterError;
+import org.springframework.stereotype.Component;
+
+@Provider
+@Component
+@Slf4j
+public class BusinessStepExceptionMapper implements ExceptionMapper<BusinessStepException> {
+
+    @Override
+    public Response toResponse(BusinessStepException exception) {
+        final String globalisationMessageCode = "error.msg.invalid.request.body";
+        final String defaultUserMessage = exception.getMessage();
+        log.warn("Exception: {}, Message: {}", exception.getClass().getName(), defaultUserMessage);
+
+        final ApiParameterError error = ApiParameterError.parameterError(globalisationMessageCode, defaultUserMessage, "stepName");
+
+        return Response.status(Response.Status.BAD_REQUEST).entity(error).type(MediaType.APPLICATION_JSON).build();
+    }
+}