FINERACT-2309: Emit external events on document upload and delete

fineract-document/src/main/java/org/apache/fineract/infrastructure/documentmanagement/service/DocumentWritePlatformServiceJpaRepositoryImpl.java

@@ -31,6 +31,9 @@ import org.apache.fineract.infrastructure.documentmanagement.domain.StorageType;
 import org.apache.fineract.infrastructure.documentmanagement.exception.ContentManagementException;
 import org.apache.fineract.infrastructure.documentmanagement.exception.DocumentNotFoundException;
 import org.apache.fineract.infrastructure.documentmanagement.exception.InvalidEntityTypeForDocumentManagementException;
+import org.apache.fineract.infrastructure.event.business.domain.document.DocumentCreatedBusinessEvent;
+import org.apache.fineract.infrastructure.event.business.domain.document.DocumentDeletedBusinessEvent;
+import org.apache.fineract.infrastructure.event.business.service.BusinessEventNotifierService;
 import org.apache.fineract.infrastructure.security.service.PlatformSecurityContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -48,13 +51,15 @@ public class DocumentWritePlatformServiceJpaRepositoryImpl implements DocumentWr
     private final PlatformSecurityContext context;
     private final DocumentRepository documentRepository;
     private final ContentRepositoryFactory contentRepositoryFactory;
+    private final BusinessEventNotifierService businessEventNotifierService;
 
     @Autowired
     public DocumentWritePlatformServiceJpaRepositoryImpl(final PlatformSecurityContext context, final DocumentRepository documentRepository,
-            final ContentRepositoryFactory documentStoreFactory) {
+            final ContentRepositoryFactory documentStoreFactory, BusinessEventNotifierService businessEventNotifierService) {
         this.context = context;
         this.documentRepository = documentRepository;
         this.contentRepositoryFactory = documentStoreFactory;
+        this.businessEventNotifierService = businessEventNotifierService;
     }
 
     @Transactional
@@ -78,6 +83,7 @@ public class DocumentWritePlatformServiceJpaRepositoryImpl implements DocumentWr
                     documentCommand.getDescription(), fileLocation, contentRepository.getStorageType());
 
             this.documentRepository.saveAndFlush(document);
+            businessEventNotifierService.notifyPostBusinessEvent(new DocumentCreatedBusinessEvent(document));
 
             return document.getId();
         } catch (final JpaSystemException | DataIntegrityViolationException dve) {
@@ -158,6 +164,7 @@ public class DocumentWritePlatformServiceJpaRepositoryImpl implements DocumentWr
 
         final ContentRepository contentRepository = this.contentRepositoryFactory.getRepository(document.storageType());
         contentRepository.deleteFile(document.getLocation());
+        businessEventNotifierService.notifyPostBusinessEvent(new DocumentDeletedBusinessEvent(document));
         return CommandProcessingResult.resourceResult(document.getId());
     }
 

fineract-document/src/main/java/org/apache/fineract/infrastructure/event/business/domain/document/DocumentBusinessEvent.java

@@ -0,0 +1,41 @@
+/**
+ * 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.event.business.domain.document;
+
+import org.apache.fineract.infrastructure.documentmanagement.domain.Document;
+import org.apache.fineract.infrastructure.event.business.domain.AbstractBusinessEvent;
+
+public abstract class DocumentBusinessEvent extends AbstractBusinessEvent<Document> {
+
+    private static final String CATEGORY = "Document";
+
+    protected DocumentBusinessEvent(Document value) {
+        super(value);
+    }
+
+    @Override
+    public String getCategory() {
+        return CATEGORY; // e.g. will appear as “Document”
+    }
+
+    @Override
+    public Long getAggregateRootId() {
+        return get().getId(); // primary-key of the uploaded doc
+    }
+}

fineract-document/src/main/java/org/apache/fineract/infrastructure/event/business/domain/document/DocumentCreatedBusinessEvent.java

@@ -0,0 +1,35 @@
+/**
+ * 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.event.business.domain.document;
+
+import org.apache.fineract.infrastructure.documentmanagement.domain.Document;
+
+public class DocumentCreatedBusinessEvent extends DocumentBusinessEvent {
+
+    private static final String TYPE = "DocumentCreatedBusinessEvent";
+
+    public DocumentCreatedBusinessEvent(Document value) {
+        super(value);
+    }
+
+    @Override
+    public String getType() {
+        return TYPE;
+    }
+}

fineract-document/src/main/java/org/apache/fineract/infrastructure/event/business/domain/document/DocumentDeletedBusinessEvent.java

@@ -0,0 +1,35 @@
+/**
+ * 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.event.business.domain.document;
+
+import org.apache.fineract.infrastructure.documentmanagement.domain.Document;
+
+public class DocumentDeletedBusinessEvent extends DocumentBusinessEvent {
+
+    private static final String TYPE = "DocumentDeletedBusinessEvent";
+
+    public DocumentDeletedBusinessEvent(Document value) {
+        super(value);
+    }
+
+    @Override
+    public String getType() {
+        return TYPE;
+    }
+}