feat(#2379): Move pipeline rest calls to pipeline service

streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/PipelineResource.java

@@ -205,7 +205,7 @@ public PipelineElementRecommendationMessage recommend(@RequestBody Pipeline pipe
       produces = MediaType.APPLICATION_JSON_VALUE)
   @Hidden
   @PreAuthorize(AuthConstants.HAS_WRITE_PIPELINE_PRIVILEGE)
-  public ResponseEntity<?> update(@RequestBody Pipeline pipeline) {
+  public ResponseEntity<?> validatePipeline(@RequestBody Pipeline pipeline) {
     try {
       return ok(Operations.validatePipeline(pipeline));
     } catch (JsonSyntaxException e) {

ui/projects/streampipes/platform-services/src/lib/apis/pipeline.service.ts

@@ -24,6 +24,8 @@ import {
     Message,
     Pipeline,
     PipelineCategory,
+    PipelineElementRecommendationMessage,
+    PipelineModificationMessage,
     PipelineOperationStatus,
     PipelineStatusMessage,
 } from '../model/gen/streampipes-model';
@@ -150,6 +152,36 @@ export class PipelineService {
             );
     }
 
+    recommendPipelineElement(
+        pipeline: Pipeline,
+        currentDomId: string,
+    ): Observable<PipelineElementRecommendationMessage> {
+        return this.http
+            .post(
+                `${this.apiBasePath}/pipelines/recommend/${currentDomId}`,
+                pipeline,
+            )
+            .pipe(
+                map(data =>
+                    PipelineElementRecommendationMessage.fromData(data as any),
+                ),
+            );
+    }
+
+    /**
+     * Validates the given pipeline and returns a pipeline modification message.
+     * The message describe how the pipeline should be modified.
+     */
+    validatePipeline(pipeline): Observable<PipelineModificationMessage> {
+        return this.http
+            .post(`${this.apiBasePath}/pipelines/update`, pipeline)
+            .pipe(
+                map(data => {
+                    return PipelineModificationMessage.fromData(data as any);
+                }),
+            );
+    }
+
     get apiBasePath() {
         return this.platformServicesCommons.apiBasePath;
     }

ui/src/app/editor/services/editor.service.ts

@@ -26,6 +26,7 @@ import {
     PipelineElementRecommendationMessage,
     PipelineModificationMessage,
     PipelinePreviewModel,
+    PipelineService,
     PlatformServicesCommons,
     SpDataStream,
 } from '@streampipes/platform-services';
@@ -53,6 +54,7 @@ export class EditorService {
         private http: HttpClient,
         private platformServicesCommons: PlatformServicesCommons,
         private dialogService: DialogService,
+        private pipelineService: PipelineService,
     ) {}
 
     get apiBasePath() {
@@ -63,26 +65,14 @@ export class EditorService {
         pipeline: Pipeline,
         currentDomId: string,
     ): Observable<PipelineElementRecommendationMessage> {
-        return this.http
-            .post(
-                this.pipelinesResourceUrl + '/recommend/' + currentDomId,
-                pipeline,
-            )
-            .pipe(
-                map(data =>
-                    PipelineElementRecommendationMessage.fromData(data as any),
-                ),
-            );
+        return this.pipelineService.recommendPipelineElement(
+            pipeline,
+            currentDomId,
+        );
     }
 
     updatePartialPipeline(pipeline): Observable<PipelineModificationMessage> {
-        return this.http
-            .post(this.pipelinesResourceUrl + '/update', pipeline)
-            .pipe(
-                map(data => {
-                    return PipelineModificationMessage.fromData(data as any);
-                }),
-            );
+        return this.pipelineService.validatePipeline(pipeline);
     }
 
     getCachedPipeline(): Observable<PipelineElementConfig[]> {
@@ -166,10 +156,6 @@ export class EditorService {
         return this.http.delete(this.apiBasePath + '/pipeline-canvas-cache');
     }
 
-    private get pipelinesResourceUrl() {
-        return this.platformServicesCommons.apiBasePath + '/pipelines';
-    }
-
     announceConfiguredElement(pipelineElementDomId: string) {
         this.pipelineElementConfigured.next(pipelineElementDomId);
     }