TSK-617: Add version number to interface

rest/taskana-rest-spring/src/main/java/pro/taskana/rest/TaskanaEngineController.java

@@ -13,6 +13,7 @@ import pro.taskana.TaskanaRole;
 import pro.taskana.configuration.TaskanaEngineConfiguration;
 import pro.taskana.impl.TaskanaEngineImpl;
 import pro.taskana.rest.resource.TaskanaUserInfoResource;
+import pro.taskana.rest.resource.VersionResource;
 import pro.taskana.security.CurrentUserContext;
 
 /**
@@ -55,4 +56,20 @@ public class TaskanaEngineController {
         return new ResponseEntity<>(resource, HttpStatus.OK);
     }
 
+    /**
+     * Get the current application version.
+     *
+     * @return The current version.
+     */
+    @GetMapping(path = "/v1/version", produces = {MediaType.APPLICATION_JSON_VALUE})
+    public ResponseEntity<VersionResource> currentVersion() {
+        String version = TaskanaEngineController.class.getPackage().getImplementationVersion();
+        if (version == null) {
+            version = "1.0-DEFAULT";
+        }
+        VersionResource resource = new VersionResource();
+        resource.setVersion(version);
+        return new ResponseEntity<>(resource,
+            HttpStatus.OK);
+    }
 }

rest/taskana-rest-spring/src/main/java/pro/taskana/rest/resource/VersionResource.java

@@ -0,0 +1,19 @@
+package pro.taskana.rest.resource;
+
+import org.springframework.hateoas.ResourceSupport;
+
+/**
+* Resource class for version information.
+*/
+public class VersionResource  extends ResourceSupport {
+
+   private String version;
+
+   public String getVersion() {
+       return version;
+   }
+
+   public void setVersion(String version) {
+       this.version = version;
+   }
+}

web/src/app/components/nav-bar/nav-bar.component.html

@@ -61,6 +61,9 @@
         <span (click)="toogleNavBar()" routerLink="{{workplaceUrl}}" aria-controls="Workplace" routerLinkActive="active">Workplace</span>
       </div>
     </div>
+    <div class="nav-version">
+    	<p id="taskana-version"> Taskana version: {{version}} </p>
+    </div>
   </div>
   <div *ngIf="showNavbar" class="navbar-backdrop" (click)="toogleNavBar()"></div>
 </nav>

web/src/app/components/nav-bar/nav-bar.component.scss

@@ -1,6 +1,8 @@
 $background-color: #224562;
 $background-color-sidenav: #175263;
 $selected-border-color: #22a39f;
+$unselected-text: #9d9d9d;
+
 .navbar-inverse {
     border:none;
     background-color: $background-color;
@@ -76,6 +78,14 @@ h2.navbar-brand{
 .nav-content{
     margin-top: 5px;
 }
+
+.nav-version {
+    color: $unselected-text;
+    margin: 5px;
+    position: absolute;
+    bottom: 5px;
+    font-size: 8px;
+}
  
 /*
  * All side bar links styling.
@@ -119,7 +129,7 @@ h2.navbar-brand{
 
 .menu,.submenu > span {
     padding-left: 12px;
-    color: #9d9d9d;
+    color: $unselected-text;
     outline: none;
     
 }
@@ -138,7 +148,7 @@ h2.navbar-brand{
 }
 
 a {
-    color: #9d9d9d;
+    color: $unselected-text;
     &:hover{
         color:white;
     }

web/src/app/components/nav-bar/nav-bar.component.ts

@@ -9,6 +9,7 @@ import { WindowRefService } from 'app/services/window/window.service';
 import { UserGuard } from 'app/guards/user-guard';
 import { TaskanaEngineService } from '../../services/taskana-engine/taskana-engine.service';
 import { expandRight } from 'app/shared/animations/expand.animation';
+import { VersionModel } from 'app/models/version';
 @Component({
   selector: 'taskana-nav-bar',
   templateUrl: './nav-bar.component.html',
@@ -29,6 +30,7 @@ export class NavBarComponent implements OnInit, OnDestroy {
   showNavbar = false;
   domains: Array<string> = [];
   selectedDomain: string;
+  version: string;
 
   adminUrl = './administration';
   monitorUrl = './monitor';
@@ -60,6 +62,10 @@ export class NavBarComponent implements OnInit, OnDestroy {
       this.selectedDomain = domain;
     });
 
+    this.taskanaEngineService.getVersion().subscribe(restVersion => {
+      this.version = restVersion.version;
+    });
+
     this.administrationAccess = this.taskanaEngineService.hasRole(BusinessAdminGuard.roles);
     this.monitorAccess = this.taskanaEngineService.hasRole(MonitorGuard.roles);
     this.workplaceAccess = this.taskanaEngineService.hasRole(UserGuard.roles);

web/src/app/models/version.ts

@@ -0,0 +1,6 @@
+
+export class VersionModel {
+    constructor(
+        public version: string = undefined
+    ) { };
+}

web/src/app/services/taskana-engine/taskana-engine.mock.service.ts

@@ -1,6 +1,7 @@
 import { Injectable } from '@angular/core';
-import { of } from 'rxjs';
+import { of, Observable } from 'rxjs';
 import { UserInfoModel } from 'app/models/user-info';
+import { VersionModel } from '../../models/version';
 
 @Injectable()
 export class TaskanaEngineServiceMock {
@@ -28,6 +29,11 @@ export class TaskanaEngineServiceMock {
     return false;
   }
 
+  getVersion(): Observable<VersionModel> {
+    const version = new VersionModel('1.0.0');
+    return of(version);
+  }
+
   private findRole(roles2Find: Array<string>) {
     return this.currentUserInfo.roles.find(role => {
       return roles2Find.some(roleLookingFor => {

web/src/app/services/taskana-engine/taskana-engine.service.ts

@@ -2,6 +2,8 @@ import { Injectable } from '@angular/core';
 import { HttpClient } from '@angular/common/http';
 import { environment } from 'environments/environment';
 import { UserInfoModel } from 'app/models/user-info';
+import { VersionModel } from 'app/models/version';
+import { Observable } from 'rxjs';
 import { map } from 'rxjs/operators';
 
 
@@ -32,6 +34,10 @@ export class TaskanaEngineService {
     return false;
   }
 
+  getVersion(): Observable<VersionModel> {
+      return this.httpClient.get<VersionModel>(`${environment.taskanaRestUrl}/v1/version`);
+  }
+
   private findRole(roles2Find: Array<string>) {
     return this.currentUserInfo.roles.find(role => {
       return roles2Find.some(roleLookingFor => {