Refactors Single DMP Enpoint to support different formats (JSON, XML, DOCX)

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

@@ -4,6 +4,7 @@ package eu.eudat.controllers;
 import eu.eudat.configurations.dynamicproject.DynamicProjectConfiguration;
 import eu.eudat.data.dao.criteria.DynamicFieldsCriteria;
 import eu.eudat.data.dao.criteria.RequestItem;
+import eu.eudat.data.dao.entities.DMPDao;
 import eu.eudat.data.entities.DMP;
 import eu.eudat.data.query.items.item.dmp.DataManagementPlanCriteriaRequest;
 import eu.eudat.data.query.items.table.dmp.DataManagementPlanTableRequest;
@@ -11,6 +12,7 @@ import eu.eudat.exceptions.datamanagementplan.DMPWithDatasetsDeleteException;
 import eu.eudat.logic.managers.DataManagementPlanManager;
 import eu.eudat.logic.managers.DatasetManager;
 import eu.eudat.logic.services.ApiContext;
+import eu.eudat.logic.services.forms.VisibilityRuleService;
 import eu.eudat.logic.utilities.documents.helpers.FileEnvelope;
 import eu.eudat.models.data.dmp.DataManagementPlan;
 import eu.eudat.models.data.helpermodels.Tuple;
@@ -71,12 +73,20 @@ public class DMPs extends BaseController {
         return ResponseEntity.status(HttpStatus.OK).body(new ResponseItem<DataTableData<DataManagementPlanListingModel>>().status(ApiMessageCode.NO_MESSAGE).payload(dataTable));
     }
 
-    @RequestMapping(method = RequestMethod.GET, value = {"{id}"}, produces = "application/json")
+    @RequestMapping(method = RequestMethod.GET, value = {"{id}"})
     public @ResponseBody
-    ResponseEntity<ResponseItem<DataManagementPlan>> getSingle(@PathVariable String id, Principal principal) throws IllegalAccessException, InstantiationException {
+    ResponseEntity getSingle(@PathVariable String id,@RequestHeader("Content-Type") String contentType, Principal principal) throws IllegalAccessException, InstantiationException, IOException {
+        if(contentType.equals("application/xml") || contentType.equals("application/msword")){
+            DMPDao dmpDao = this.getApiContext().getOperationsContext().getDatabaseRepository().getDmpDao();
+            VisibilityRuleService visibilityRuleService = this.getApiContext().getUtilitiesService().getVisibilityRuleService();
+            ResponseEntity<byte[]> document = this.dataManagementPlanManager.getDocument(this.environment, dmpDao, id, visibilityRuleService, contentType);
+            return document;
+        }
+        else{
             eu.eudat.models.data.dmp.DataManagementPlan dataManagementPlan = this.dataManagementPlanManager.getSingle(this.getApiContext().getOperationsContext().getDatabaseRepository().getDmpDao(), id, principal, this.dynamicProjectConfiguration);
             return ResponseEntity.status(HttpStatus.OK).body(new ResponseItem<DataManagementPlan>().status(ApiMessageCode.NO_MESSAGE).payload(dataManagementPlan));
         }
+    }
 
     @Transactional
     @RequestMapping(method = RequestMethod.POST, consumes = "application/json", produces = "application/json")
@@ -110,7 +120,6 @@ public class DMPs extends BaseController {
         }catch (DMPWithDatasetsDeleteException exception){
             return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(new ResponseItem<DMP>().status(ApiMessageCode.ERROR_MESSAGE).message(exception.getMessage()));
         }
-
     }
 
     @RequestMapping(method = RequestMethod.POST, value = {"/dynamic"}, consumes = "application/json", produces = "application/json")
@@ -120,27 +129,7 @@ public class DMPs extends BaseController {
         return ResponseEntity.status(HttpStatus.OK).body(new ResponseItem<List<Tuple<String, String>>>().status(ApiMessageCode.NO_MESSAGE).payload(dataTable));
     }
 
-    @RequestMapping(method = RequestMethod.GET, value = {"/getXml/{id}"})
+    /*@RequestMapping(method = RequestMethod.GET, value = {"/getWord/{id}"})
-    public @ResponseBody
-    ResponseEntity<byte[]> getXml(@PathVariable String id) throws IllegalAccessException, IOException, InstantiationException {
-        FileEnvelope envelope = this.dataManagementPlanManager.getXmlDocument(this.getApiContext().getOperationsContext().getDatabaseRepository().getDmpDao(), id, this.getApiContext().getUtilitiesService().getVisibilityRuleService());
-        InputStream resource = new FileInputStream(envelope.getFile());
-        System.out.println("Mime Type of " + envelope.getFilename() + " is " +
-                new MimetypesFileTypeMap().getContentType(envelope.getFile()));
-        HttpHeaders responseHeaders = new HttpHeaders();
-        responseHeaders.setContentLength(envelope.getFile().length());
-        responseHeaders.setContentType(MediaType.APPLICATION_OCTET_STREAM);
-        responseHeaders.set("Content-Disposition", "attachment;filename=" + envelope.getFilename() + ".xml");
-        responseHeaders.set("Access-Control-Expose-Headers", "Content-Disposition");
-        responseHeaders.get("Access-Control-Expose-Headers").add("Content-Type");
-
-        byte[] content = IOUtils.toByteArray(resource);
-        return new ResponseEntity<>(content,
-                responseHeaders,
-                HttpStatus.OK);
-    }
-
-    @RequestMapping(method = RequestMethod.GET, value = {"/getWord/{id}"})
     public @ResponseBody
     ResponseEntity<byte[]> getWordDocument(@PathVariable String id) throws IOException, IllegalAccessException, InstantiationException {
         File file = this.dataManagementPlanManager.getWordDocument(this.environment, this.getApiContext().getOperationsContext().getDatabaseRepository().getDmpDao(), id, this.getApiContext().getUtilitiesService().getVisibilityRuleService());
@@ -158,11 +147,12 @@ public class DMPs extends BaseController {
         return new ResponseEntity<>(content,
                 responseHeaders,
                 HttpStatus.OK);
-    }
+    }*/
 
     @RequestMapping(method = RequestMethod.GET, value = {"/getPDF/{id}"})
     public @ResponseBody
-    ResponseEntity<byte[]> getPDFDocument(@PathVariable String id) throws IllegalAccessException, IOException, InstantiationException, InterruptedException {
+    ResponseEntity<byte[]> getPDFDocument(@PathVariable String id, @RequestHeader("Content-Type") String contentType) throws IllegalAccessException, IOException, InstantiationException, InterruptedException {
+        System.out.println(contentType);
         File file = this.dataManagementPlanManager.getWordDocument(this.environment, this.getApiContext().getOperationsContext().getDatabaseRepository().getDmpDao(), id, this.getApiContext().getUtilitiesService().getVisibilityRuleService());
         File pdffile = new DatasetManager().convertToPDF(file, environment, file.getName());
         InputStream resource = new FileInputStream(pdffile);

dmp-backend/web/src/main/java/eu/eudat/logic/managers/DataManagementPlanManager.java

@@ -41,9 +41,11 @@ import org.springframework.web.client.RestTemplate;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 
+import javax.activation.MimetypesFileTypeMap;
 import java.io.*;
 import java.math.BigInteger;
 import java.net.URL;
+import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
@@ -385,7 +387,7 @@ public class DataManagementPlanManager {
         ExportXmlBuilder xmlBuilder = new ExportXmlBuilder();
         eu.eudat.data.entities.DMP dmp = dmpRepository.find(UUID.fromString(id));
         List<Dataset> datasets = dmp.getDataset().stream().collect(Collectors.toList());
-        File xmlFile = new File(UUID.randomUUID() + ".xml");
+        File xmlFile = new File(dmp.getLabel() + ".xml");
         BufferedWriter writer = new BufferedWriter(new FileWriter(xmlFile, true));
         Document xmlDoc = XmlBuilder.getDocument();
         Element root = xmlDoc.createElement("root");
@@ -439,7 +441,37 @@ public class DataManagementPlanManager {
         FileEnvelope fileEnvelope = new FileEnvelope();
         fileEnvelope.setFile(xmlFile);
         fileEnvelope.setFilename(dmp.getLabel());
+
         return fileEnvelope;
     }
 
+    public ResponseEntity<byte[]> getDocument(Environment environment, DMPDao dmpDao, String id, VisibilityRuleService visibilityRuleService, String contentType) throws InstantiationException, IllegalAccessException, IOException{
+        File file;
+        switch (contentType){
+            case "application/xml":
+                file = getXmlDocument(dmpDao, id, visibilityRuleService).getFile();
+                break;
+            case "application/msword":
+                file = getWordDocument(environment, dmpDao, id, visibilityRuleService);
+                break;
+            default:
+                file = getXmlDocument(dmpDao, id, visibilityRuleService).getFile();
+        }
+        InputStream resource = new FileInputStream(file);
+        System.out.println("Mime Type of " + file.getName() + " is " +
+                new MimetypesFileTypeMap().getContentType(file));
+        HttpHeaders responseHeaders = new HttpHeaders();
+        responseHeaders.setContentLength(file.length());
+        responseHeaders.setContentType(MediaType.APPLICATION_OCTET_STREAM);
+        responseHeaders.set("Content-Disposition", "attachment;filename=" + file.getName());
+        responseHeaders.set("Access-Control-Expose-Headers", "Content-Disposition");
+        responseHeaders.get("Access-Control-Expose-Headers").add("Content-Type");
+
+        byte[] content = org.apache.poi.util.IOUtils.toByteArray(resource);
+        resource.close();
+        Files.deleteIfExists(file.toPath());
+        return new ResponseEntity<>(content,
+                responseHeaders,
+                HttpStatus.OK);
+    }
 }

dmp-frontend/src/app/core/services/dmp/dmp.service.ts

@@ -17,10 +17,11 @@ import { BaseHttpService } from '../http/base-http.service';
 export class DmpService {
 
 	private actionUrl: string;
-	private headers: HttpHeaders;
+	private headers = new HttpHeaders();
 
 	constructor(private http: BaseHttpService, private httpClient: HttpClient) {
 		this.actionUrl = environment.Server + 'dmps/';
+
 	}
 
 	getPaged(dataTableRequest: DataTableRequest<DmpCriteria>, fieldsGroup?: string): Observable<DataTableData<DmpListingModel>> {
@@ -69,14 +70,17 @@ export class DmpService {
 	}
 
 	public downloadXML(id: string): Observable<HttpResponse<Blob>> {
-		return this.httpClient.get(this.actionUrl + 'getXml/' + id, { responseType: 'blob', observe: 'response' });
+		let headerXml: HttpHeaders = this.headers.set('Content-Type', 'application/xml')
+		return this.httpClient.get(this.actionUrl + id, { responseType: 'blob', observe: 'response', headers: headerXml }); //+ "/getXml/"
 	}
 
 	public downloadDocx(id: string): Observable<HttpResponse<Blob>> {
-		return this.httpClient.get(this.actionUrl + 'getWord/' + id, { responseType: 'blob', observe: 'response' });
+		let headerDoc: HttpHeaders = this.headers.set('Content-Type', 'application/msword')
+		return this.httpClient.get(this.actionUrl + id, { responseType: 'blob', observe: 'response', headers: headerDoc });
 	}
 
 	public downloadPDF(id: string): Observable<HttpResponse<Blob>> {
-		return this.httpClient.get(this.actionUrl + 'getPDF/' + id, { responseType: 'blob', observe: 'response' });
+		let headerPdf: HttpHeaders = this.headers.set('Content-Type', 'application/pdf')
+		return this.httpClient.get(this.actionUrl + 'getPDF/' + id, { responseType: 'blob', observe: 'response', headers: headerPdf });
 	}
 }

dmp-frontend/src/app/ui/dmp/editor/dmp-editor.component.ts

@@ -358,7 +358,7 @@ export class DmpEditorComponent extends BaseComponent implements OnInit, IBreadC
 		this.dmpService.downloadDocx(id)
 			.pipe(takeUntil(this._destroyed))
 			.subscribe(response => {
-				const blob = new Blob([response.body], { type: 'application/octet-stream' });
+				const blob = new Blob([response.body], { type: 'application/msword' });
 				const filename = this.getFilenameFromContentDispositionHeader(response.headers.get('Content-Disposition'));
 
 				FileSaver.saveAs(blob, filename);
@@ -369,7 +369,7 @@ export class DmpEditorComponent extends BaseComponent implements OnInit, IBreadC
 		this.dmpService.downloadPDF(id)
 			.pipe(takeUntil(this._destroyed))
 			.subscribe(response => {
-				const blob = new Blob([response.body], { type: 'application/octet-stream' });
+				const blob = new Blob([response.body], { type: 'application/pdf' });
 				const filename = this.getFilenameFromContentDispositionHeader(response.headers.get('Content-Disposition'));
 
 				FileSaver.saveAs(blob, filename);