Fixes bug on being able to fetch deleted DMPs on "DMP overview" view.

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

@@ -115,9 +115,13 @@ public class DMPs extends BaseController {
 
     @RequestMapping(method = RequestMethod.GET, value = {"/overview/{id}"})
     public @ResponseBody
-    ResponseEntity getOverviewSingle(@PathVariable String id, Principal principal) throws IllegalAccessException, InstantiationException {
+    ResponseEntity getOverviewSingle(@PathVariable String id, Principal principal) {
+        try {
             DataManagementPlanOverviewModel dataManagementPlan = this.dataManagementPlanManager.getOverviewSingle(id, principal);
             return ResponseEntity.status(HttpStatus.OK).body(new ResponseItem<DataManagementPlanOverviewModel>().status(ApiMessageCode.NO_MESSAGE).payload(dataManagementPlan));
+        } catch (Exception e) {
+            return ResponseEntity.status(HttpStatus.NOT_FOUND).body(new ResponseItem<DataManagementPlanOverviewModel>().status(ApiMessageCode.ERROR_MESSAGE));
+        }
     }
 
     @RequestMapping(method = RequestMethod.GET, value = {"/public/{id}"})

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

@@ -359,8 +359,11 @@ public class DataManagementPlanManager {
         return dataManagementPlan;
     }
 
-    public DataManagementPlanOverviewModel getOverviewSingle(String id, Principal principal) throws InstantiationException, IllegalAccessException {
+    public DataManagementPlanOverviewModel getOverviewSingle(String id, Principal principal) throws Exception {
         DMP dataManagementPlanEntity = databaseRepository.getDmpDao().find(UUID.fromString(id));
+        if (dataManagementPlanEntity.getStatus() == DMP.DMPStatus.DELETED.getValue()) {
+            throw new Exception("DMP is deleted.");
+        }
         if (dataManagementPlanEntity.getUsers()
                 .stream().filter(userInfo -> userInfo.getUser().getId() == principal.getId())
                 .collect(Collectors.toList()).size() == 0)

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

@@ -69,7 +69,11 @@ export class DmpOverviewComponent extends BaseComponent implements OnInit {
 							breadCrumbs.push({ parentComponentName: null, label: this.language.instant('NAV-BAR.MY-DMPS'), url: "/plans" });
 							breadCrumbs.push({ parentComponentName: 'DmpListingComponent', label: this.dmp.label, url: '/plans/overview/' + this.dmp.id });
 							this.breadCrumbs = observableOf(breadCrumbs);
-						})
+						}, (error: any) => {
+							if (error.status === 404) {
+								return this.onFetchingDeletedCallbackError('/plans/');
+							}
+						});
 				}
 				else if (publicId != null) {
 					this.isNew = false;
@@ -84,11 +88,20 @@ export class DmpOverviewComponent extends BaseComponent implements OnInit {
 							breadCrumbs.push({ parentComponentName: null, label: this.language.instant('NAV-BAR.PUBLIC-DMPS'), url: "/explore-plans" });
 							breadCrumbs.push({ parentComponentName: 'DmpListingComponent', label: this.dmp.label, url: '/plans/publicOverview/' + this.dmp.id });
 							this.breadCrumbs = observableOf(breadCrumbs);
+						}, (error: any) => {
+							if (error.status === 404) {
+								return this.onFetchingDeletedCallbackError('/plans/');
+							}
 						});
 				}
 			});
 	}
 
+	onFetchingDeletedCallbackError(redirectRoot: string) {
+		this.uiNotificationService.snackBarNotification(this.language.instant('DMP-OVERVIEW.ERROR.DELETED-DMP'), SnackBarNotificationLevel.Error);
+		this.router.navigate([redirectRoot]);
+	}
+
 	setIsUserOwner() {
 		if (this.dmp) {
 			const principal: Principal = this.authentication.current();

dmp-frontend/src/assets/i18n/en.json

@@ -502,6 +502,9 @@
 			"LEVEL-OF-ACCESS": "Level of Access",
 			"INVOLVED-DATASETS": "Involved Dataset Descriptions",
 			"TEMPLATES-INVOLVED": "Dataset Description Templates Involved"
+		},
+		"ERROR": {
+			"DELETED-DMP": "The requested DMP is deleted"
 		}
 	},
 	"DATASET-LISTING": {