galovics commented on code in PR #2718:
URL: https://github.com/apache/fineract/pull/2718#discussion_r1015303111


##########
fineract-provider/src/main/java/org/apache/fineract/commands/service/SynchronousCommandProcessingService.java:
##########
@@ -69,45 +76,43 @@ public class SynchronousCommandProcessingService implements 
CommandProcessingSer
     private final IdempotencyKeyGenerator idempotencyKeyGenerator;
     private final FineractProperties fineractProperties;
 
+    private final InitialCommandSaver initialCommandSaver;
+
     @Transactional
     @Override
     public CommandProcessingResult executeCommand(final CommandWrapper 
wrapper, final JsonCommand command,
             final boolean isApprovedByChecker) {
 
         final boolean rollbackTransaction = 
configurationDomainService.isMakerCheckerEnabledForTask(wrapper.taskPermissionName());
+        String idempotencyKey = getIdempotencyKey(wrapper);
+        CommandSource existingCommand = 
commandSourceRepository.findByActionNameAndEntityNameAndIdempotencyKey(wrapper.actionName(),
+                wrapper.entityName(), idempotencyKey);
+        final CommandProcessingResult result;
+        if (existingCommand != null) {
+            if 
(UNDER_PROCESSING.getValue().equals(existingCommand.getStatus())) {
+                throw new DuplicateCommandException(wrapper.actionName(), 
wrapper.entityName(), wrapper.getIdempotencyKey(),
+                        wrapper.getJson(), UNDER_PROCESSING.getValue());
+            } else if (ERROR.getValue().equals(existingCommand.getStatus())) {
+                throw new DuplicateCommandException(wrapper.actionName(), 
wrapper.entityName(), wrapper.getIdempotencyKey(),
+                        existingCommand.getResult(), ERROR.getValue());
+            } else if 
(PROCESSED.getValue().equals(existingCommand.getStatus())) {
+                throw new DuplicateCommandException(wrapper.actionName(), 
wrapper.entityName(), wrapper.getIdempotencyKey(),
+                        existingCommand.getResult(), PROCESSED.getValue());
+            }
+        }
 
-        final NewCommandSourceHandler handler = findCommandHandler(wrapper);
+        final AppUser maker = context.authenticatedUser(wrapper);
+        CommandSource commandSourceResult = getInitialCommandSource(wrapper, 
command, maker, idempotencyKey);
+        initialCommandSaver.save(commandSourceResult);

Review Comment:
   > because transaction forcing inside transactions only works with public 
method calls
   That's only true for declarative tx management. If you use a 
TransactionTemplate, you're pretty much good to go.



##########
fineract-provider/src/main/java/org/apache/fineract/commands/service/SynchronousCommandProcessingService.java:
##########
@@ -69,45 +76,43 @@ public class SynchronousCommandProcessingService implements 
CommandProcessingSer
     private final IdempotencyKeyGenerator idempotencyKeyGenerator;
     private final FineractProperties fineractProperties;
 
+    private final InitialCommandSaver initialCommandSaver;
+
     @Transactional
     @Override
     public CommandProcessingResult executeCommand(final CommandWrapper 
wrapper, final JsonCommand command,
             final boolean isApprovedByChecker) {
 
         final boolean rollbackTransaction = 
configurationDomainService.isMakerCheckerEnabledForTask(wrapper.taskPermissionName());
+        String idempotencyKey = getIdempotencyKey(wrapper);
+        CommandSource existingCommand = 
commandSourceRepository.findByActionNameAndEntityNameAndIdempotencyKey(wrapper.actionName(),
+                wrapper.entityName(), idempotencyKey);
+        final CommandProcessingResult result;
+        if (existingCommand != null) {
+            if 
(UNDER_PROCESSING.getValue().equals(existingCommand.getStatus())) {
+                throw new DuplicateCommandException(wrapper.actionName(), 
wrapper.entityName(), wrapper.getIdempotencyKey(),
+                        wrapper.getJson(), UNDER_PROCESSING.getValue());
+            } else if (ERROR.getValue().equals(existingCommand.getStatus())) {
+                throw new DuplicateCommandException(wrapper.actionName(), 
wrapper.entityName(), wrapper.getIdempotencyKey(),
+                        existingCommand.getResult(), ERROR.getValue());
+            } else if 
(PROCESSED.getValue().equals(existingCommand.getStatus())) {
+                throw new DuplicateCommandException(wrapper.actionName(), 
wrapper.entityName(), wrapper.getIdempotencyKey(),
+                        existingCommand.getResult(), PROCESSED.getValue());
+            }
+        }
 
-        final NewCommandSourceHandler handler = findCommandHandler(wrapper);
+        final AppUser maker = context.authenticatedUser(wrapper);
+        CommandSource commandSourceResult = getInitialCommandSource(wrapper, 
command, maker, idempotencyKey);
+        initialCommandSaver.save(commandSourceResult);

Review Comment:
   > because transaction forcing inside transactions only works with public 
method calls
   
   That's only true for declarative tx management. If you use a 
TransactionTemplate, you're pretty much good to go.



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