Adding export on dmp service and controller (existing service not yet wired up)

dmp-backend/core/src/main/java/eu/eudat/service/dmp/DmpService.java

@@ -13,6 +13,7 @@ import gr.cite.tools.exception.MyNotFoundException;
 import gr.cite.tools.exception.MyValidationException;
 import gr.cite.tools.fieldset.FieldSet;
 import jakarta.xml.bind.JAXBException;
+import org.springframework.http.ResponseEntity;
 
 import javax.management.InvalidApplicationException;
 import javax.xml.parsers.ParserConfigurationException;
@@ -22,6 +23,10 @@ import java.util.UUID;
 
 public interface DmpService {
 
+    enum DmpExportType {
+        Word, Json, Xml;
+    }
+
     Dmp persist(DmpPersist model, FieldSet fields) throws MyForbiddenException, MyValidationException, MyApplicationException, MyNotFoundException, InvalidApplicationException, JsonProcessingException;
 
     void deleteAndSave(UUID id) throws MyForbiddenException, InvalidApplicationException;
@@ -32,4 +37,6 @@ public interface DmpService {
 
     List<DmpUserEntity> assignUsers(UUID dmp, List<DmpUserPersist> model, FieldSet fields) throws InvalidApplicationException;
 
+    ResponseEntity<byte[]> export(UUID id, DmpExportType exportType);
+
 }

dmp-backend/core/src/main/java/eu/eudat/service/dmp/DmpServiceImpl.java

@@ -48,16 +48,17 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.MessageSource;
 import org.springframework.context.i18n.LocaleContextHolder;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Service;
 
 import javax.management.InvalidApplicationException;
 import javax.xml.parsers.ParserConfigurationException;
 import javax.xml.transform.TransformerException;
 import java.time.Instant;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.List;
-import java.util.Map;
-import java.util.UUID;
 import java.util.stream.Collectors;
 
 @Service
@@ -349,6 +350,26 @@ public class DmpServiceImpl implements DmpService {
                 .collect();
     }
 
+    @Override
+    public ResponseEntity<byte[]> export(UUID id, DmpExportType exportType) {
+        HttpHeaders headers = new HttpHeaders();
+        switch (exportType){
+            case Xml -> {
+                headers.setContentType(MediaType.APPLICATION_XML);
+                return new ResponseEntity<>(new byte[]{}, headers, HttpStatus.OK);
+            }
+            case Json -> {
+                headers.setContentType(MediaType.APPLICATION_JSON);
+                return new ResponseEntity<>(new byte[]{}, headers, HttpStatus.OK);
+            }
+            case Word -> {
+                headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
+                return new ResponseEntity<>(new byte[]{}, headers, HttpStatus.OK);
+            }
+        }
+        return ResponseEntity.badRequest().body(new byte[]{});
+    }
+
     private DmpEntity patchAndSave(DmpPersist model) throws JsonProcessingException, InvalidApplicationException {
         Boolean isUpdate = this.conventionService.isValidGuid(model.getId());
 

dmp-backend/web/src/main/java/eu/eudat/controllers/v2/DmpController.java

@@ -33,6 +33,7 @@ import jakarta.xml.bind.JAXBException;
 import org.slf4j.LoggerFactory;
 import org.springframework.context.MessageSource;
 import org.springframework.context.i18n.LocaleContextHolder;
+import org.springframework.http.ResponseEntity;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.bind.annotation.*;
 
@@ -183,4 +184,11 @@ public class DmpController {
         return new QueryResult<>(models);
     }
 
+    @GetMapping("{id}/export/{type}")
+    public ResponseEntity<byte[]> export(@PathVariable("id") UUID id, @PathVariable("type") String exportType){
+        logger.debug(new MapLogEntry("exporting dmp"));
+
+        return this.dmpService.export(id, DmpService.DmpExportType.valueOf(exportType));
+    }
+
 }