From: Martin Stockhammer <martin_s@apache.org>
Date: Mon, 11 Jan 2021 22:03:06 +0000 (+0100)
Subject: Fixing multiple REST calls
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=cc1c52b3d49dccd52a79779601c6639916d86339;p=archiva.git

Fixing multiple REST calls
---

diff --git a/archiva-modules/archiva-web/archiva-webapp/src/main/archiva-web/src/app/modules/shared/paginated-entities/paginated-entities.component.ts b/archiva-modules/archiva-web/archiva-webapp/src/main/archiva-web/src/app/modules/shared/paginated-entities/paginated-entities.component.ts
index f7d2188a8..6239e88d2 100644
--- a/archiva-modules/archiva-web/archiva-webapp/src/main/archiva-web/src/app/modules/shared/paginated-entities/paginated-entities.component.ts
+++ b/archiva-modules/archiva-web/archiva-webapp/src/main/archiva-web/src/app/modules/shared/paginated-entities/paginated-entities.component.ts
@@ -18,7 +18,17 @@
 
 import {AfterViewInit, Component, EventEmitter, Input, OnInit, Output} from '@angular/core';
 import {concat, merge, Observable, of, Subject} from "rxjs";
-import {debounceTime, distinctUntilChanged, filter, map, pluck, startWith, switchMap} from "rxjs/operators";
+import {
+    debounceTime,
+    distinctUntilChanged,
+    filter,
+    map,
+    multicast,
+    pluck,
+    refCount,
+    startWith,
+    switchMap
+} from "rxjs/operators";
 import {EntityService} from "@app/model/entity-service";
 import {FieldToggle} from "@app/model/field-toggle";
 import {PageQuery} from "../model/page-query";
@@ -151,7 +161,7 @@ export class PaginatedEntitiesComponent<T> implements OnInit, FieldToggle, After
     }
 
     ngOnInit(): void {
-        // console.log("Pag Init " + this.id);
+        console.log("Pag Init " + this.id);
         // We combine the sources for the page and the search input field to a observable 'source'
         const pageSource = this.pageStream.pipe(map(pageNumber => {
             return new PageQuery(this.searchTerm, pageNumber);
@@ -171,7 +181,11 @@ export class PaginatedEntitiesComponent<T> implements OnInit, FieldToggle, After
                     this.service(params.search, (params.page - 1) * this.pageSize, this.pageSize, this.sortField, this.sortOrder)
                         .pipe(map(pagedResult=>LoadingValue.finish<PagedResult<T>>(pagedResult)))
                 )
-            )
+            ),
+            // This is to avoid multiple REST calls, without each subscriber would
+            // cause a REST call.
+            multicast(new Subject()),
+            refCount()
             );
         this.total$ = source.pipe(filter(val=>val.hasValue()),map(val=>val.value),
             pluck('pagination', 'total_count'));